1
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Kondo Y, Achouri NL, Falou HA, Atar L, Aumann T, Baba H, Boretzky K, Caesar C, Calvet D, Chae H, Chiga N, Corsi A, Delaunay F, Delbart A, Deshayes Q, Dombrádi Z, Douma CA, Ekström A, Elekes Z, Forssén C, Gašparić I, Gheller JM, Gibelin J, Gillibert A, Hagen G, Harakeh MN, Hirayama A, Hoffman CR, Holl M, Horvat A, Horváth Á, Hwang JW, Isobe T, Jiang WG, Kahlbow J, Kalantar-Nayestanaki N, Kawase S, Kim S, Kisamori K, Kobayashi T, Körper D, Koyama S, Kuti I, Lapoux V, Lindberg S, Marqués FM, Masuoka S, Mayer J, Miki K, Murakami T, Najafi M, Nakamura T, Nakano K, Nakatsuka N, Nilsson T, Obertelli A, Ogata K, de Oliveira Santos F, Orr NA, Otsu H, Otsuka T, Ozaki T, Panin V, Papenbrock T, Paschalis S, Revel A, Rossi D, Saito AT, Saito TY, Sasano M, Sato H, Satou Y, Scheit H, Schindler F, Schrock P, Shikata M, Shimizu N, Shimizu Y, Simon H, Sohler D, Sorlin O, Stuhl L, Sun ZH, Takeuchi S, Tanaka M, Thoennessen M, Törnqvist H, Togano Y, Tomai T, Tscheuschner J, Tsubota J, Tsunoda N, Uesaka T, Utsuno Y, Vernon I, Wang H, Yang Z, Yasuda M, Yoneda K, Yoshida S. Publisher Correction: First observation of 28O. Nature 2023; 623:E13. [PMID: 37935927 PMCID: PMC10665181 DOI: 10.1038/s41586-023-06815-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Affiliation(s)
- Y Kondo
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan.
- RIKEN Nishina Center, Saitama, Japan.
| | - N L Achouri
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - H Al Falou
- Lebanese University, Beirut, Lebanon
- Lebanese-French University of Technology and Applied Sciences, Deddeh, Lebanon
| | - L Atar
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - T Aumann
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
- Helmholtz Research Academy Hesse for FAIR, Darmstadt, Germany
| | - H Baba
- RIKEN Nishina Center, Saitama, Japan
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - C Caesar
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - D Calvet
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - H Chae
- Institute for Basic Science, Daejeon, Republic of Korea
| | - N Chiga
- RIKEN Nishina Center, Saitama, Japan
| | - A Corsi
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - F Delaunay
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - A Delbart
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Q Deshayes
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | | | - C A Douma
- ESRIG, University of Groningen, Groningen, The Netherlands
| | - A Ekström
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | | | - C Forssén
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - I Gašparić
- RIKEN Nishina Center, Saitama, Japan
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- Ruđer Bošković Institute, Zagreb, Croatia
| | - J-M Gheller
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - J Gibelin
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - A Gillibert
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - G Hagen
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, USA
| | - M N Harakeh
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
- ESRIG, University of Groningen, Groningen, The Netherlands
| | - A Hirayama
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - C R Hoffman
- Physics Division, Argonne National Laboratory, Argonne, IL, USA
| | - M Holl
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - A Horvat
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - Á Horváth
- Eötvös Loránd University, Budapest, Hungary
| | - J W Hwang
- Center for Exotic Nuclear Studies, Institute for Basic Science, Daejeon, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea
| | - T Isobe
- RIKEN Nishina Center, Saitama, Japan
| | - W G Jiang
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - J Kahlbow
- RIKEN Nishina Center, Saitama, Japan
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | | | - S Kawase
- Department of Advanced Energy Engineering Science, Kyushu University, Fukuoka, Japan
| | - S Kim
- Center for Exotic Nuclear Studies, Institute for Basic Science, Daejeon, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea
| | | | - T Kobayashi
- Department of Physics, Tohoku University, Miyagi, Japan
| | - D Körper
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - S Koyama
- Department of Physics, The University of Tokyo, Tokyo, Japan
| | - I Kuti
- Atomki, Debrecen, Hungary
| | - V Lapoux
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - S Lindberg
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - F M Marqués
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - S Masuoka
- Center for Nuclear Study, The University of Tokyo, Saitama, Japan
| | - J Mayer
- Institut für Kernphysik, Universität zu Köln, Köln, Germany
| | - K Miki
- Department of Physics, Tohoku University, Miyagi, Japan
| | - T Murakami
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Najafi
- ESRIG, University of Groningen, Groningen, The Netherlands
| | - T Nakamura
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- RIKEN Nishina Center, Saitama, Japan
| | - K Nakano
- Department of Advanced Energy Engineering Science, Kyushu University, Fukuoka, Japan
| | - N Nakatsuka
- Department of Physics, Kyoto University, Kyoto, Japan
| | - T Nilsson
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - A Obertelli
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - K Ogata
- Department of Physics, Kyushu University, Fukuoka, Japan
- Research Center for Nuclear Physics, Osaka University, Osaka, Japan
- Department of Physics, Osaka City University, Osaka, Japan
| | - F de Oliveira Santos
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Caen, France
| | - N A Orr
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - H Otsu
- RIKEN Nishina Center, Saitama, Japan
| | - T Otsuka
- RIKEN Nishina Center, Saitama, Japan
- Department of Physics, The University of Tokyo, Tokyo, Japan
| | - T Ozaki
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - V Panin
- RIKEN Nishina Center, Saitama, Japan
| | - T Papenbrock
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, USA
| | - S Paschalis
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - A Revel
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Caen, France
| | - D Rossi
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - A T Saito
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - T Y Saito
- Department of Physics, The University of Tokyo, Tokyo, Japan
| | - M Sasano
- RIKEN Nishina Center, Saitama, Japan
| | - H Sato
- RIKEN Nishina Center, Saitama, Japan
| | - Y Satou
- Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea
| | - H Scheit
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - F Schindler
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - P Schrock
- Center for Nuclear Study, The University of Tokyo, Saitama, Japan
| | - M Shikata
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - N Shimizu
- Center for Computational Sciences, University of Tsukuba, Ibaraki, Japan
| | - Y Shimizu
- RIKEN Nishina Center, Saitama, Japan
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | | | - O Sorlin
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Caen, France
| | - L Stuhl
- RIKEN Nishina Center, Saitama, Japan
- Center for Exotic Nuclear Studies, Institute for Basic Science, Daejeon, Republic of Korea
| | - Z H Sun
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, USA
| | - S Takeuchi
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - M Tanaka
- Department of Physics, Osaka University, Osaka, Japan
| | - M Thoennessen
- Facility for Rare Isotope Beams, Michigan State University, East Lansing, MI, USA
| | - H Törnqvist
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - Y Togano
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- Department of Physics, Rikkyo University, Tokyo, Japan
| | - T Tomai
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - J Tscheuschner
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - J Tsubota
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - N Tsunoda
- Center for Nuclear Study, The University of Tokyo, Saitama, Japan
| | - T Uesaka
- RIKEN Nishina Center, Saitama, Japan
| | - Y Utsuno
- Advanced Science Research Center, Japan Atomic Energy Agency, Ibaraki, Japan
| | - I Vernon
- Department of Mathematical Sciences, Durham University, Durham, UK
| | - H Wang
- RIKEN Nishina Center, Saitama, Japan
| | - Z Yang
- RIKEN Nishina Center, Saitama, Japan
| | - M Yasuda
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - K Yoneda
- RIKEN Nishina Center, Saitama, Japan
| | - S Yoshida
- Liberal and General Education Center, Institute for Promotion of Higher Academic Education, Utsunomiya University, Tochigi, Japan
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2
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Kondo Y, Achouri NL, Falou HA, Atar L, Aumann T, Baba H, Boretzky K, Caesar C, Calvet D, Chae H, Chiga N, Corsi A, Delaunay F, Delbart A, Deshayes Q, Dombrádi Z, Douma CA, Ekström A, Elekes Z, Forssén C, Gašparić I, Gheller JM, Gibelin J, Gillibert A, Hagen G, Harakeh MN, Hirayama A, Hoffman CR, Holl M, Horvat A, Horváth Á, Hwang JW, Isobe T, Jiang WG, Kahlbow J, Kalantar-Nayestanaki N, Kawase S, Kim S, Kisamori K, Kobayashi T, Körper D, Koyama S, Kuti I, Lapoux V, Lindberg S, Marqués FM, Masuoka S, Mayer J, Miki K, Murakami T, Najafi M, Nakamura T, Nakano K, Nakatsuka N, Nilsson T, Obertelli A, Ogata K, de Oliveira Santos F, Orr NA, Otsu H, Otsuka T, Ozaki T, Panin V, Papenbrock T, Paschalis S, Revel A, Rossi D, Saito AT, Saito TY, Sasano M, Sato H, Satou Y, Scheit H, Schindler F, Schrock P, Shikata M, Shimizu N, Shimizu Y, Simon H, Sohler D, Sorlin O, Stuhl L, Sun ZH, Takeuchi S, Tanaka M, Thoennessen M, Törnqvist H, Togano Y, Tomai T, Tscheuschner J, Tsubota J, Tsunoda N, Uesaka T, Utsuno Y, Vernon I, Wang H, Yang Z, Yasuda M, Yoneda K, Yoshida S. First observation of 28O. Nature 2023; 620:965-970. [PMID: 37648757 PMCID: PMC10630140 DOI: 10.1038/s41586-023-06352-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 06/21/2023] [Indexed: 09/01/2023]
Abstract
Subjecting a physical system to extreme conditions is one of the means often used to obtain a better understanding and deeper insight into its organization and structure. In the case of the atomic nucleus, one such approach is to investigate isotopes that have very different neutron-to-proton (N/Z) ratios than in stable nuclei. Light, neutron-rich isotopes exhibit the most asymmetric N/Z ratios and those lying beyond the limits of binding, which undergo spontaneous neutron emission and exist only as very short-lived resonances (about 10-21 s), provide the most stringent tests of modern nuclear-structure theories. Here we report on the first observation of 28O and 27O through their decay into 24O and four and three neutrons, respectively. The 28O nucleus is of particular interest as, with the Z = 8 and N = 20 magic numbers1,2, it is expected in the standard shell-model picture of nuclear structure to be one of a relatively small number of so-called 'doubly magic' nuclei. Both 27O and 28O were found to exist as narrow, low-lying resonances and their decay energies are compared here to the results of sophisticated theoretical modelling, including a large-scale shell-model calculation and a newly developed statistical approach. In both cases, the underlying nuclear interactions were derived from effective field theories of quantum chromodynamics. Finally, it is shown that the cross-section for the production of 28O from a 29F beam is consistent with it not exhibiting a closed N = 20 shell structure.
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Affiliation(s)
- Y Kondo
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan.
- RIKEN Nishina Center, Saitama, Japan.
| | - N L Achouri
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - H Al Falou
- Lebanese University, Beirut, Lebanon
- Lebanese-French University of Technology and Applied Sciences, Deddeh, Lebanon
| | - L Atar
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - T Aumann
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
- Helmholtz Research Academy Hesse for FAIR, Darmstadt, Germany
| | - H Baba
- RIKEN Nishina Center, Saitama, Japan
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - C Caesar
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - D Calvet
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - H Chae
- Institute for Basic Science, Daejeon, Republic of Korea
| | - N Chiga
- RIKEN Nishina Center, Saitama, Japan
| | - A Corsi
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - F Delaunay
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - A Delbart
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Q Deshayes
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | | | - C A Douma
- ESRIG, University of Groningen, Groningen, The Netherlands
| | - A Ekström
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | | | - C Forssén
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - I Gašparić
- RIKEN Nishina Center, Saitama, Japan
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- Ruđer Bošković Institute, Zagreb, Croatia
| | - J-M Gheller
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - J Gibelin
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - A Gillibert
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - G Hagen
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, USA
| | - M N Harakeh
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
- ESRIG, University of Groningen, Groningen, The Netherlands
| | - A Hirayama
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - C R Hoffman
- Physics Division, Argonne National Laboratory, Argonne, IL, USA
| | - M Holl
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - A Horvat
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - Á Horváth
- Eötvös Loránd University, Budapest, Hungary
| | - J W Hwang
- Center for Exotic Nuclear Studies, Institute for Basic Science, Daejeon, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea
| | - T Isobe
- RIKEN Nishina Center, Saitama, Japan
| | - W G Jiang
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - J Kahlbow
- RIKEN Nishina Center, Saitama, Japan
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | | | - S Kawase
- Department of Advanced Energy Engineering Science, Kyushu University, Fukuoka, Japan
| | - S Kim
- Center for Exotic Nuclear Studies, Institute for Basic Science, Daejeon, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea
| | | | - T Kobayashi
- Department of Physics, Tohoku University, Miyagi, Japan
| | - D Körper
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - S Koyama
- Department of Physics, The University of Tokyo, Tokyo, Japan
| | - I Kuti
- Atomki, Debrecen, Hungary
| | - V Lapoux
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - S Lindberg
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - F M Marqués
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - S Masuoka
- Center for Nuclear Study, The University of Tokyo, Saitama, Japan
| | - J Mayer
- Institut für Kernphysik, Universität zu Köln, Köln, Germany
| | - K Miki
- Department of Physics, Tohoku University, Miyagi, Japan
| | - T Murakami
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Najafi
- ESRIG, University of Groningen, Groningen, The Netherlands
| | - T Nakamura
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- RIKEN Nishina Center, Saitama, Japan
| | - K Nakano
- Department of Advanced Energy Engineering Science, Kyushu University, Fukuoka, Japan
| | - N Nakatsuka
- Department of Physics, Kyoto University, Kyoto, Japan
| | - T Nilsson
- Institutionen för Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden
| | - A Obertelli
- Irfu, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - K Ogata
- Department of Physics, Kyushu University, Fukuoka, Japan
- Research Center for Nuclear Physics, Osaka University, Osaka, Japan
- Department of Physics, Osaka City University, Osaka, Japan
| | - F de Oliveira Santos
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Caen, France
| | - N A Orr
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
| | - H Otsu
- RIKEN Nishina Center, Saitama, Japan
| | - T Otsuka
- RIKEN Nishina Center, Saitama, Japan
- Department of Physics, The University of Tokyo, Tokyo, Japan
| | - T Ozaki
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - V Panin
- RIKEN Nishina Center, Saitama, Japan
| | - T Papenbrock
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, USA
| | - S Paschalis
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - A Revel
- LPC Caen UMR6534, Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, Caen, France
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Caen, France
| | - D Rossi
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - A T Saito
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - T Y Saito
- Department of Physics, The University of Tokyo, Tokyo, Japan
| | - M Sasano
- RIKEN Nishina Center, Saitama, Japan
| | - H Sato
- RIKEN Nishina Center, Saitama, Japan
| | - Y Satou
- Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea
| | - H Scheit
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - F Schindler
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - P Schrock
- Center for Nuclear Study, The University of Tokyo, Saitama, Japan
| | - M Shikata
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - N Shimizu
- Center for Computational Sciences, University of Tsukuba, Ibaraki, Japan
| | - Y Shimizu
- RIKEN Nishina Center, Saitama, Japan
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | | | - O Sorlin
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Caen, France
| | - L Stuhl
- RIKEN Nishina Center, Saitama, Japan
- Center for Exotic Nuclear Studies, Institute for Basic Science, Daejeon, Republic of Korea
| | - Z H Sun
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, USA
| | - S Takeuchi
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - M Tanaka
- Department of Physics, Osaka University, Osaka, Japan
| | - M Thoennessen
- Facility for Rare Isotope Beams, Michigan State University, East Lansing, MI, USA
| | - H Törnqvist
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
| | - Y Togano
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- Department of Physics, Rikkyo University, Tokyo, Japan
| | - T Tomai
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - J Tscheuschner
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
| | - J Tsubota
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - N Tsunoda
- Center for Nuclear Study, The University of Tokyo, Saitama, Japan
| | - T Uesaka
- RIKEN Nishina Center, Saitama, Japan
| | - Y Utsuno
- Advanced Science Research Center, Japan Atomic Energy Agency, Ibaraki, Japan
| | - I Vernon
- Department of Mathematical Sciences, Durham University, Durham, UK
| | - H Wang
- RIKEN Nishina Center, Saitama, Japan
| | - Z Yang
- RIKEN Nishina Center, Saitama, Japan
| | - M Yasuda
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - K Yoneda
- RIKEN Nishina Center, Saitama, Japan
| | - S Yoshida
- Liberal and General Education Center, Institute for Promotion of Higher Academic Education, Utsunomiya University, Tochigi, Japan
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Jones RM, Nilsson T, Walker S, Armentrout PB. Potassium Binding Interactions with Aliphatic Amino Acids: Thermodynamic and Entropic Effects Analyzed via a Guided Ion Beam and Computational Study. J Am Soc Mass Spectrom 2022; 33:1427-1442. [PMID: 35535863 DOI: 10.1021/jasms.2c00079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Noncovalent interactions between alkali metals and amino acids are critical for many biological processes, especially for proper function of protein ion channels; however, many precise binding affinities between alkali metals and amino acids still need to be measured. This study addresses this need by using threshold collision-induced dissociation with a guided ion beam tandem mass spectrometer to measure binding affinities between potassium cations and the aliphatic amino acids: Gly, Ala, hAla, Val, Leu, and Ile. These measurements are supplemented by theoretical calculations and include commentary on effects of enthalpy, entropy, and structural preference. Notably, all levels of theory indicate that the lowest-lying isomers at 298 K have K+ binding to the carbonyl oxygen in either a monodentate ([CO]) or bidentate ([CO,OH]) fashion, isomers that are linked in a double-well potential. This complicates the analysis of the data, although does not greatly influence the final results. Analysis of the resulting cross sections includes accounting for multiple ion-molecule collisions, internal energy of reactant ions, and unimolecular decay rates. The resulting experimental bond dissociation energies generally increase as the polarizability of the amino acid increases, results that agree well with quantum chemical calculations done at the B3LYP, B3P86, and MP2(full) levels of theory, with B3LYP-GD3BJ predicting systematically larger values.
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Affiliation(s)
- Roland M Jones
- Department of Chemistry, University of Utah, 315 South 1400 East Rm 2020, Salt Lake City, Utah 84112, United States
| | - Taylor Nilsson
- Department of Chemistry, University of Utah, 315 South 1400 East Rm 2020, Salt Lake City, Utah 84112, United States
| | - Samantha Walker
- Department of Chemistry, University of Utah, 315 South 1400 East Rm 2020, Salt Lake City, Utah 84112, United States
| | - P B Armentrout
- Department of Chemistry, University of Utah, 315 South 1400 East Rm 2020, Salt Lake City, Utah 84112, United States
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4
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Revel A, Sorlin O, Marqués FM, Kondo Y, Kahlbow J, Nakamura T, Orr NA, Nowacki F, Tostevin JA, Yuan CX, Achouri NL, Al Falou H, Atar L, Aumann T, Baba H, Boretzky K, Caesar C, Calvet D, Chae H, Chiga N, Corsi A, Crawford HL, Delaunay F, Delbart A, Deshayes Q, Dombrádi Z, Douma CA, Elekes Z, Fallon P, Gašparić I, Gheller JM, Gibelin J, Gillibert A, Harakeh MN, He W, Hirayama A, Hoffman CR, Holl M, Horvat A, Horváth Á, Hwang JW, Isobe T, Kalantar-Nayestanaki N, Kawase S, Kim S, Kisamori K, Kobayashi T, Körper D, Koyama S, Kuti I, Lapoux V, Lindberg S, Masuoka S, Mayer J, Miki K, Murakami T, Najafi M, Nakano K, Nakatsuka N, Nilsson T, Obertelli A, de Oliveira Santos F, Otsu H, Ozaki T, Panin V, Paschalis S, Rossi D, Saito AT, Saito T, Sasano M, Sato H, Satou Y, Scheit H, Schindler F, Schrock P, Shikata M, Shimizu Y, Simon H, Sohler D, Stuhl L, Takeuchi S, Tanaka M, Thoennessen M, Törnqvist H, Togano Y, Tomai T, Tscheuschner J, Tsubota J, Uesaka T, Yang Z, Yasuda M, Yoneda K. Extending the Southern Shore of the Island of Inversion to ^{28}F. Phys Rev Lett 2020; 124:152502. [PMID: 32357034 DOI: 10.1103/physrevlett.124.152502] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 06/11/2023]
Abstract
Detailed spectroscopy of the neutron-unbound nucleus ^{28}F has been performed for the first time following proton/neutron removal from ^{29}Ne/^{29}F beams at energies around 230 MeV/nucleon. The invariant-mass spectra were reconstructed for both the ^{27}F^{(*)}+n and ^{26}F^{(*)}+2n coincidences and revealed a series of well-defined resonances. A near-threshold state was observed in both reactions and is identified as the ^{28}F ground state, with S_{n}(^{28}F)=-199(6) keV, while analysis of the 2n decay channel allowed a considerably improved S_{n}(^{27}F)=1620(60) keV to be deduced. Comparison with shell-model predictions and eikonal-model reaction calculations have allowed spin-parity assignments to be proposed for some of the lower-lying levels of ^{28}F. Importantly, in the case of the ground state, the reconstructed ^{27}F+n momentum distribution following neutron removal from ^{29}F indicates that it arises mainly from the 1p_{3/2} neutron intruder configuration. This demonstrates that the island of inversion around N=20 includes ^{28}F, and most probably ^{29}F, and suggests that ^{28}O is not doubly magic.
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Affiliation(s)
- A Revel
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - O Sorlin
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - F M Marqués
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - Y Kondo
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - J Kahlbow
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - T Nakamura
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - N A Orr
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - F Nowacki
- Université de Strasbourg, IPHC, 23 rue de Loess 67037 Strasbourg, France
- CNRS, UMR7178, 67037 Strasbourg, France
| | - J A Tostevin
- Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
| | - C X Yuan
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - N L Achouri
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | | | - L Atar
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - T Aumann
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - H Baba
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - C Caesar
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - D Calvet
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - H Chae
- IBS, 55, Expo-ro, Yuseong-gu, Daejeon 34126, Korea
| | - N Chiga
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - A Corsi
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - H L Crawford
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - F Delaunay
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - A Delbart
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - Q Deshayes
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - Z Dombrádi
- Institute of Nuclear Research, Atomki, 4001 Debrecen, Hungary
| | - C A Douma
- KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands
| | - Z Elekes
- Institute of Nuclear Research, Atomki, 4001 Debrecen, Hungary
| | - P Fallon
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - I Gašparić
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
- Ruđer Bošković Institute, HR-10002 Zagreb, Croatia
| | - J-M Gheller
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - J Gibelin
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - A Gillibert
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - M N Harakeh
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
- KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands
| | - W He
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - A Hirayama
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - C R Hoffman
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - M Holl
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - A Horvat
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - Á Horváth
- Eötvös Loránd University, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary
| | - J W Hwang
- Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - T Isobe
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | | | - S Kawase
- Department of Advanced Energy Engineering Science, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
| | - S Kim
- Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - K Kisamori
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - T Kobayashi
- Department of Physics, Tohoku University, Miyagi 980-8578, Japan
| | - D Körper
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - S Koyama
- Unversity of Tokyo, Tokyo 1130033, Japan
| | - I Kuti
- Institute of Nuclear Research, Atomki, 4001 Debrecen, Hungary
| | - V Lapoux
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - S Lindberg
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - S Masuoka
- Center for Nuclear Study, University of Tokyo, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - J Mayer
- Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany
| | - K Miki
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - T Murakami
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - M Najafi
- KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands
| | - K Nakano
- Department of Advanced Energy Engineering Science, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
| | - N Nakatsuka
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - T Nilsson
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - A Obertelli
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - F de Oliveira Santos
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - H Otsu
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - T Ozaki
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - V Panin
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - S Paschalis
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - D Rossi
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - A T Saito
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - T Saito
- Unversity of Tokyo, Tokyo 1130033, Japan
| | - M Sasano
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - H Sato
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - Y Satou
- Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - H Scheit
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - F Schindler
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - P Schrock
- Center for Nuclear Study, University of Tokyo, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - M Shikata
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - Y Shimizu
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - D Sohler
- Institute of Nuclear Research, Atomki, 4001 Debrecen, Hungary
| | - L Stuhl
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - S Takeuchi
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - M Tanaka
- Department of Physics, Osaka University, Osaka 560-0043, Japan
| | - M Thoennessen
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - H Törnqvist
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - Y Togano
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - T Tomai
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - J Tscheuschner
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - J Tsubota
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - T Uesaka
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - Z Yang
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - M Yasuda
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - K Yoneda
- RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
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Abstract
AbstractPersonality deviations and deficits in cognitive executive function are common among forensic populations. The present study on incarcerated offenders explored whether there are links between the two domains. Personality was assessed using the Temperament and Character Inventory (TCI). Neuropsychological performance, including visual working memory, attentional set-shifting and planning, were tested with the Cambridge Neuropsychological Test Automated Battery (CANTAB). Subjects with personality disorders scored high on harm avoidance, and low on self-directedness and cooperativeness. Personality disordered offenders did not differ from the comparison groups (offenders without personality disorder, and non-criminal controls) with regard to CANTAB measures of visual working memory (delayed matching to sample, spatial working memory) and planning (Stockings of Cambridge), but they made a larger number of errors on the attentional set-shifting task. Dimensional analysis of the personality and neuropsychological variables revealed significant associations between self-directedness and cooperativeness on the one hand, and attentional set-shifting on the other. Intellectually disabled, non-criminal individuals (marginal mental retardation) who performed poorly on attentional set-shifting also scored low on self-directedness and cooperativeness. The results indicate that poor development of certain personality traits may be associated with deficits in neuropsychological functioning.
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Affiliation(s)
- A H Bergvall
- Departments of Psychiatry (National Board of Forensic Medicine), and Psychology, Göteborg University, Box 500, 405 30, Göteborg, Sweden
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Nyqvist J, Brolin K, Nilsson T, Lindström V. The learning environment and supportive supervision promote learning and are based on the relationship between students and supervisors - A qualitative study. Nurse Educ Pract 2020; 42:102692. [DOI: 10.1016/j.nepr.2019.102692] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 11/22/2019] [Accepted: 12/17/2019] [Indexed: 10/25/2022]
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Carlsson D, Wahlström J, Burström L, Hagberg M, Lundström R, Pettersson H, Nilsson T. Can sensation of cold hands predict Raynaud's phenomenon or paraesthesia? Occup Med (Lond) 2019; 68:314-319. [PMID: 29750280 PMCID: PMC6012203 DOI: 10.1093/occmed/kqy053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background Raynaud’s phenomenon and neurosensory symptoms are common after hand-arm vibration exposure. Knowledge of early signs of vibration injuries is needed. Aims To investigate the risk of developing Raynaud’s phenomenon and paraesthesia in relation to sensation of cold hands in a cohort of male employees at an engineering plant. Methods We followed a cohort of male manual and office workers at an engineering plant in Sweden for 21 years. At baseline (1987 and 1992) and each follow-up (1992, 1997, 2002, 2008), we assessed sensation of cold, Raynaud’s phenomenon and paraesthesia in the hands using questionnaires and measured vibration exposure. We calculated risk estimates with univariate and multiple logistic regression analyses and adjusted for vibration exposure and tobacco usage. Results There were 241 study participants. During the study period, 21 individuals developed Raynaud’s phenomenon and 43 developed paraesthesia. When adjusting the risk of developing Raynaud’s phenomenon for vibration exposure and tobacco use, the odds ratios were between 6.0 and 6.3 (95% CI 2.2–17.0). We observed no increased risk for paraesthesia in relation to a sensation of cold hands. Conclusions A sensation of cold hands was a risk factor for Raynaud’s phenomenon. At the individual level, reporting a sensation of cold hands did not appear to be useful information to predict future development of Raynaud’s phenomenon given a weak to moderate predictive value. For paraesthesia, the sensation of cold was not a risk factor and there was no predictive value at the individual level.
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Affiliation(s)
- D Carlsson
- Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
| | - J Wahlström
- Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
| | - L Burström
- Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
| | - M Hagberg
- Occupational and Environmental Medicine, Sahlgrenska Academy and University Hospital, University of Gothenburg, Gothenburg, Sweden
| | - R Lundström
- Department of Radiation Sciences, Umeå University, Umeå, Sweden
| | - H Pettersson
- Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
| | - T Nilsson
- Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
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Poole CJM, Bovenzi M, Nilsson T, Lawson IJ, House R, Thompson A, Youakim S. International consensus criteria for diagnosing and staging hand-arm vibration syndrome. Int Arch Occup Environ Health 2019; 92:117-127. [PMID: 30264331 PMCID: PMC6323073 DOI: 10.1007/s00420-018-1359-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 09/17/2018] [Indexed: 10/29/2022]
Abstract
PURPOSE In the 30 years since the Stockholm Workshop Scale (SWS) was published, the scientific literature on hand-arm vibration syndrome (HAVS) has grown and experience has been gained in its practical application. This research was undertaken to develop an up-to-date evidence-based classification for HAVS by seeking consensus between experts in the field. METHODS Seven occupational physicians who are clinically active and have had work published on HAVS in the last 10 years were asked to independently take part in a three-round iterative Delphi process. Consensus was taken when 5/7 (72%) agreed with a particular statement. Experts were asked to provide evidence from the literature or data from their own research to support their views. RESULTS Consensus was achieved for most of the questions that were used to develop an updated staging system for HAVS. The vascular and neurological components from the SWS are retained, but ambiguous descriptors and tests without adequately developed methodology such as tactile discrimination, or discriminating power such as grip strength, are not included in the new staging system. A blanching score taken from photographs of the hands during vasospastic episodes is recommended in place of self-recall and frequency of attacks to stage vascular HAVS. Methods with the best evidence base are described for assessing sensory perception and dexterity. CONCLUSIONS A new classification has been developed with three stages for the clinical classification of vascular and neurological HAVS based on international consensus. We recommend it replaces the SWS for clinical and research purposes.
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Affiliation(s)
- C J M Poole
- Centre for Workplace Health, HSE's Health and Safety Laboratory, Harpur Hill, Buxton, SK17 9JN, UK.
| | - M Bovenzi
- Clinical Unit of Occupational Medicine, Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - T Nilsson
- Occupational and Environmental Medicine, Department of Public Health and Clinical Medicine, Umea University, Umeå, Sweden
| | - I J Lawson
- Rolls-Royce, P O Box 31, Derby, DE24 8BJ, UK
| | - R House
- Division of Occupational Medicine, Department of Medicine, St Michael's Hospital and University of Toronto, Toronto, ON, Canada
| | - A Thompson
- Division of Occupational Medicine, Department of Medicine, St Michael's Hospital and University of Toronto, Toronto, ON, Canada
| | - S Youakim
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
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9
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Revel A, Marqués FM, Sorlin O, Aumann T, Caesar C, Holl M, Panin V, Vandebrouck M, Wamers F, Alvarez-Pol H, Atar L, Avdeichikov V, Beceiro-Novo S, Bemmerer D, Benlliure J, Bertulani CA, Boillos JM, Boretzky K, Borge MJG, Caamaño M, Casarejos E, Catford WN, Cederkäll J, Chartier M, Chulkov L, Cortina-Gil D, Cravo E, Crespo R, Datta Pramanik U, Díaz Fernández P, Dillmann I, Elekes Z, Enders J, Ershova O, Estradé A, Farinon F, Fraile LM, Freer M, Galaviz D, Geissel H, Gernhäuser R, Golubev P, Göbel K, Hagdahl J, Heftrich T, Heil M, Heine M, Heinz A, Henriques A, Ignatov A, Johansson HT, Jonson B, Kahlbow J, Kalantar-Nayestanaki N, Kanungo R, Kelic-Heil A, Knyazev A, Kröll T, Kurz N, Labiche M, Langer C, Le Bleis T, Lemmon R, Lindberg S, Machado J, Marganiec J, Movsesyan A, Nacher E, Najafi M, Nilsson T, Nociforo C, Paschalis S, Perea A, Petri M, Pietri S, Plag R, Reifarth R, Ribeiro G, Rigollet C, Röder M, Rossi D, Savran D, Scheit H, Simon H, Syndikus I, Taylor JT, Tengblad O, Thies R, Togano Y, Velho P, Volkov V, Wagner A, Weick H, Wheldon C, Wilson G, Winfield JS, Woods P, Yakorev D, Zhukov M, Zilges A, Zuber K. Strong Neutron Pairing in core+4n Nuclei. Phys Rev Lett 2018; 120:152504. [PMID: 29756867 DOI: 10.1103/physrevlett.120.152504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/17/2018] [Indexed: 06/08/2023]
Abstract
The emission of neutron pairs from the neutron-rich N=12 isotones ^{18}C and ^{20}O has been studied by high-energy nucleon knockout from ^{19}N and ^{21}O secondary beams, populating unbound states of the two isotones up to 15 MeV above their two-neutron emission thresholds. The analysis of triple fragment-n-n correlations shows that the decay ^{19}N(-1p)^{18}C^{*}→^{16}C+n+n is clearly dominated by direct pair emission. The two-neutron correlation strength, the largest ever observed, suggests the predominance of a ^{14}C core surrounded by four valence neutrons arranged in strongly correlated pairs. On the other hand, a significant competition of a sequential branch is found in the decay ^{21}O(-1n)^{20}O^{*}→^{18}O+n+n, attributed to its formation through the knockout of a deeply bound neutron that breaks the ^{16}O core and reduces the number of pairs.
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Affiliation(s)
- A Revel
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - F M Marqués
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - O Sorlin
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - T Aumann
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - C Caesar
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - M Holl
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - V Panin
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - M Vandebrouck
- Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - F Wamers
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - H Alvarez-Pol
- IGFAE, Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - L Atar
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - V Avdeichikov
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - S Beceiro-Novo
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - D Bemmerer
- Helmholtz-Zentrum Dresden-Rossendorf, 01328, Dresden, Germany
| | - J Benlliure
- IGFAE, Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - C A Bertulani
- Department of Physics and Astronomy, Texas A&M University-Commerce, Commerce, Texas 75429, USA
| | - J M Boillos
- IGFAE, Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - M J G Borge
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, 28006 Madrid, Spain
| | - M Caamaño
- IGFAE, Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | | | - W N Catford
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - J Cederkäll
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - M Chartier
- Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - L Chulkov
- NRC Kurchatov Institute, Ru-123182 Moscow, Russia
- ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - D Cortina-Gil
- IGFAE, Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - E Cravo
- Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - R Crespo
- Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - U Datta Pramanik
- Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Kolkata 700064, India
| | - P Díaz Fernández
- IGFAE, Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - I Dillmann
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
- II. Physikalisches Institut, Universität Gieß en, 35392 Gießen, Germany
| | - Z Elekes
- MTA Atomki, 4001 Debrecen, Hungary
| | - J Enders
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - O Ershova
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - A Estradé
- School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - F Farinon
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - L M Fraile
- Grupo de Física Nuclear y UPARCOS, Universidad Complutense de Madrid, CEI Moncloa, 28040 Madrid, Spain
| | - M Freer
- School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - D Galaviz
- Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP, 1000-149 Lisbon, Portugal
| | - H Geissel
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - R Gernhäuser
- Physik Department E12, Technische Universität München, 85748 Garching, Germany
| | - P Golubev
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - K Göbel
- Goethe-Universität Frankfurt am Main, 60438 Frankfurt am Main, Germany
| | - J Hagdahl
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - T Heftrich
- Goethe-Universität Frankfurt am Main, 60438 Frankfurt am Main, Germany
| | - M Heil
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - M Heine
- IPHC-CNRS/Université de Strasbourg, 67037 Strasbourg, France
| | - A Heinz
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - A Henriques
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP, 1000-149 Lisbon, Portugal
| | - A Ignatov
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - H T Johansson
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - B Jonson
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - J Kahlbow
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | | | - R Kanungo
- Astronomy and Physics Department, Saint Mary's University, Halifax, Nova Scotia B3H 3C3, Canada
| | - A Kelic-Heil
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - A Knyazev
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - T Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - N Kurz
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - M Labiche
- STFC Daresbury Laboratory, WA4 4AD Warrington, United Kingdom
| | - C Langer
- Goethe-Universität Frankfurt am Main, 60438 Frankfurt am Main, Germany
| | - T Le Bleis
- Physik Department E12, Technische Universität München, 85748 Garching, Germany
| | - R Lemmon
- STFC Daresbury Laboratory, WA4 4AD Warrington, United Kingdom
| | - S Lindberg
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - J Machado
- Laboratório de Instrumentação, Engenharia Biomédica e Física da Radiação (LIBPhysUNL), Departamento de Física, Faculdade de Ciências e Tecnologias, Universidade Nova de Lisboa, 2829-516 Monte da Caparica, Portugal
| | - J Marganiec
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
- ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - A Movsesyan
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - E Nacher
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, 28006 Madrid, Spain
| | - M Najafi
- KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands
| | - T Nilsson
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - C Nociforo
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - S Paschalis
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom
| | - A Perea
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, 28006 Madrid, Spain
| | - M Petri
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom
| | - S Pietri
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - R Plag
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - R Reifarth
- Goethe-Universität Frankfurt am Main, 60438 Frankfurt am Main, Germany
| | - G Ribeiro
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, 28006 Madrid, Spain
| | - C Rigollet
- KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands
| | - M Röder
- Helmholtz-Zentrum Dresden-Rossendorf, 01328, Dresden, Germany
- Institut für Kern- und Teilchenphysik, Technische Universität Dresden, 01069 Dresden, Germany
| | - D Rossi
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - D Savran
- ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - H Scheit
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - I Syndikus
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - J T Taylor
- Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - O Tengblad
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, 28006 Madrid, Spain
| | - R Thies
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - Y Togano
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan
| | - P Velho
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP, 1000-149 Lisbon, Portugal
| | - V Volkov
- NRC Kurchatov Institute, Ru-123182 Moscow, Russia
| | - A Wagner
- Helmholtz-Zentrum Dresden-Rossendorf, 01328, Dresden, Germany
| | - H Weick
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - C Wheldon
- School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - G Wilson
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - J S Winfield
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - P Woods
- School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - D Yakorev
- Helmholtz-Zentrum Dresden-Rossendorf, 01328, Dresden, Germany
| | - M Zhukov
- Institutionen för Fysik, Chalmers Tekniska Högskola, 412 96 Göteborg, Sweden
| | - A Zilges
- Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany
| | - K Zuber
- Institut für Kern- und Teilchenphysik, Technische Universität Dresden, 01069 Dresden, Germany
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10
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Atar L, Paschalis S, Barbieri C, Bertulani CA, Díaz Fernández P, Holl M, Najafi MA, Panin V, Alvarez-Pol H, Aumann T, Avdeichikov V, Beceiro-Novo S, Bemmerer D, Benlliure J, Boillos JM, Boretzky K, Borge MJG, Caamaño M, Caesar C, Casarejos E, Catford W, Cederkall J, Chartier M, Chulkov L, Cortina-Gil D, Cravo E, Crespo R, Dillmann I, Elekes Z, Enders J, Ershova O, Estrade A, Farinon F, Fraile LM, Freer M, Galaviz Redondo D, Geissel H, Gernhäuser R, Golubev P, Göbel K, Hagdahl J, Heftrich T, Heil M, Heine M, Heinz A, Henriques A, Hufnagel A, Ignatov A, Johansson HT, Jonson B, Kahlbow J, Kalantar-Nayestanaki N, Kanungo R, Kelic-Heil A, Knyazev A, Kröll T, Kurz N, Labiche M, Langer C, Le Bleis T, Lemmon R, Lindberg S, Machado J, Marganiec-Gałązka J, Movsesyan A, Nacher E, Nikolskii EY, Nilsson T, Nociforo C, Perea A, Petri M, Pietri S, Plag R, Reifarth R, Ribeiro G, Rigollet C, Rossi DM, Röder M, Savran D, Scheit H, Simon H, Sorlin O, Syndikus I, Taylor JT, Tengblad O, Thies R, Togano Y, Vandebrouck M, Velho P, Volkov V, Wagner A, Wamers F, Weick H, Wheldon C, Wilson GL, Winfield JS, Woods P, Yakorev D, Zhukov M, Zilges A, Zuber K. Quasifree (p, 2p) Reactions on Oxygen Isotopes: Observation of Isospin Independence of the Reduced Single-Particle Strength. Phys Rev Lett 2018; 120:052501. [PMID: 29481189 DOI: 10.1103/physrevlett.120.052501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 11/08/2017] [Indexed: 06/08/2023]
Abstract
Quasifree one-proton knockout reactions have been employed in inverse kinematics for a systematic study of the structure of stable and exotic oxygen isotopes at the R^{3}B/LAND setup with incident beam energies in the range of 300-450 MeV/u. The oxygen isotopic chain offers a large variation of separation energies that allows for a quantitative understanding of single-particle strength with changing isospin asymmetry. Quasifree knockout reactions provide a complementary approach to intermediate-energy one-nucleon removal reactions. Inclusive cross sections for quasifree knockout reactions of the type ^{A}O(p,2p)^{A-1}N have been determined and compared to calculations based on the eikonal reaction theory. The reduction factors for the single-particle strength with respect to the independent-particle model were obtained and compared to state-of-the-art ab initio predictions. The results do not show any significant dependence on proton-neutron asymmetry.
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Affiliation(s)
- L Atar
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - S Paschalis
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- Department of Physics, University of York, York YO10 5DD, United Kingdom
| | - C Barbieri
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - C A Bertulani
- Texas A&M University-Commerce, 75428 Commerce, Texas, United States of America
| | - P Díaz Fernández
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
| | - M Holl
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - M A Najafi
- KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, Netherlands
| | - V Panin
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- RIKEN, Nishina Center for Accelerator-Based Science, 2-1 Hirosawa, 351-0198 Wako, Saitama, Japan
| | - H Alvarez-Pol
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
| | - T Aumann
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - V Avdeichikov
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - S Beceiro-Novo
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
| | - D Bemmerer
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiation Physics, P.O.B. 510119, 01314 Dresden, Germany
| | - J Benlliure
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
| | - J M Boillos
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - M J G Borge
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
| | - M Caamaño
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
| | - C Caesar
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | | | - W Catford
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - J Cederkall
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - M Chartier
- University of Liverpool, L69 3BX Liverpool, United Kingdom
| | - L Chulkov
- NRC Kurchatov Institute, place Akademika Kurchatova, Moscow 123182, Russia
| | - D Cortina-Gil
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
| | - E Cravo
- Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - R Crespo
- Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - I Dillmann
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
- Justus-Liebig-Universität Gießen, 35392 Gießen, Germany
| | - Z Elekes
- ATOMKI Debrecen, Bem tér 18/c, 4026 Debrecen, Hungary
| | - J Enders
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - O Ershova
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - A Estrade
- University of Edinburgh, EH8 9YL Edinburgh, United Kingdom
| | - F Farinon
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - L M Fraile
- Grupo de Física Nuclear & IPARCOS, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - M Freer
- University of Birmingham, B15 2TT Birmingham, United Kingdom
| | - D Galaviz Redondo
- Nuclear Physics Center, University of Lisbon, 1649-003 Lisboa, Portugal
| | - H Geissel
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
- Justus-Liebig-Universität Gießen, 35392 Gießen, Germany
| | - R Gernhäuser
- Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
| | - P Golubev
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - K Göbel
- Goethe-Universität Frankfurt, Max-von-Laue Straße 1, 60438 Frankfurt am Main, Germany
| | - J Hagdahl
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - T Heftrich
- Goethe-Universität Frankfurt, Max-von-Laue Straße 1, 60438 Frankfurt am Main, Germany
| | - M Heil
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - M Heine
- IPHC-CNRS/Université de Strasbourg, 67037 Strasbourg, France
| | - A Heinz
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - A Henriques
- Nuclear Physics Center, University of Lisbon, 1649-003 Lisboa, Portugal
| | - A Hufnagel
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - A Ignatov
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - H T Johansson
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - B Jonson
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - J Kahlbow
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | | | - R Kanungo
- Saint Mary's University, 923 Robie Street, B3H 3C3 Halifax, Nova Scotia, Canada
| | - A Kelic-Heil
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - A Knyazev
- Department of Physics, Lund University, 22100 Lund, Sweden
| | - T Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - N Kurz
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - M Labiche
- Science and Technology Facilities Council-Daresbury Laboratory, WA4 4AD Warrington, United Kingdom
| | - C Langer
- Goethe-Universität Frankfurt, Max-von-Laue Straße 1, 60438 Frankfurt am Main, Germany
| | - T Le Bleis
- Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
| | - R Lemmon
- Science and Technology Facilities Council-Daresbury Laboratory, WA4 4AD Warrington, United Kingdom
| | - S Lindberg
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - J Machado
- Nuclear Physics Center, University of Lisbon, 1649-003 Lisboa, Portugal
| | - J Marganiec-Gałązka
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
- Extreme Matter Institute, GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - A Movsesyan
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - E Nacher
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
| | - E Y Nikolskii
- NRC Kurchatov Institute, place Akademika Kurchatova, Moscow 123182, Russia
| | - T Nilsson
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - C Nociforo
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - A Perea
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
| | - M Petri
- Department of Physics, University of York, York YO10 5DD, United Kingdom
| | - S Pietri
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - R Plag
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - R Reifarth
- Goethe-Universität Frankfurt, Max-von-Laue Straße 1, 60438 Frankfurt am Main, Germany
| | - G Ribeiro
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
| | - C Rigollet
- KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, Netherlands
| | - D M Rossi
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - M Röder
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiation Physics, P.O.B. 510119, 01314 Dresden, Germany
- Technische Universität Dresden, Institut für Kern- und Teilchenphysik, Zellescher Weg 19, 01069 Dresden, Germany
| | - D Savran
- Extreme Matter Institute, GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - H Scheit
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - O Sorlin
- GANIL, Boulevard Henri Becquerel, 14076 Caen, France
| | - I Syndikus
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - J T Taylor
- University of Liverpool, L69 3BX Liverpool, United Kingdom
| | - O Tengblad
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
| | - R Thies
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - Y Togano
- RIKEN, Nishina Center for Accelerator-Based Science, 2-1 Hirosawa, 351-0198 Wako, Saitama, Japan
| | - M Vandebrouck
- GANIL, Boulevard Henri Becquerel, 14076 Caen, France
| | - P Velho
- Nuclear Physics Center, University of Lisbon, 1649-003 Lisboa, Portugal
| | - V Volkov
- NRC Kurchatov Institute, place Akademika Kurchatova, Moscow 123182, Russia
| | - A Wagner
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiation Physics, P.O.B. 510119, 01314 Dresden, Germany
| | - F Wamers
- Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - H Weick
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
| | - C Wheldon
- University of Birmingham, B15 2TT Birmingham, United Kingdom
| | - G L Wilson
- University of Surrey, GU2 7XH Surrey, United Kingdom
| | - J S Winfield
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
- Justus-Liebig-Universität Gießen, 35392 Gießen, Germany
| | - P Woods
- University of Edinburgh, EH8 9YL Edinburgh, United Kingdom
| | - D Yakorev
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiation Physics, P.O.B. 510119, 01314 Dresden, Germany
| | - M Zhukov
- Chalmers University of Technology, Kemivägen 9, 412 96 Göteborg, Sweden
| | - A Zilges
- Universität zu Köln, Institut für Kernphysik, Zülpicher Straße 77, 50937 Köln, Germany
| | - K Zuber
- Technische Universität Dresden, Institut für Kern- und Teilchenphysik, Zellescher Weg 19, 01069 Dresden, Germany
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11
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Nilsson T, Gielis J, Hansson C, Wallinder A, Laffin A, Ricksten S, Dellgren G. Comparison of Two Strategies for Experimental Ex-Vivo Lung Perfusion - Cellular Solution and Open Atrium versus Acellular Solution and Closed Atrium. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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12
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Rehn B, Lundström R, Nilsson T, Bergdahl I, Ahlgren C, From C, Sundelin G, Järvholm B. Symptoms of Musculoskeletal Disorders among Drivers of All-Terrain Vehicles in Northern Sweden. ACTA ACUST UNITED AC 2016. [DOI: 10.1260/0957456053499158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
All-terrain vehicles (ATVs) are a group of machines that do not operate on prepared roads. Off-road use of these fast-moving machines results in the driver being exposed to high magnitudes of vibration and shock. It is estimated that there are up to 20,000 people in Sweden that uses ATVs during their work, such as forest machines, snowmobiles, snowgroomers, motorcycles, and three- and four-wheeled vehicles. The aim of this cross-sectional study was to investigate the risk for musculoskeletal symptoms of the neck, shoulders, upper and lower back among professional drivers of ATVs. Data from 215 male drivers of forest machines, 137 drivers of snowmobiles, 79 drivers of snowgroomers and 167 men randomly selected from the general population to act as a control group were collected. All subjects were from the four most northern counties in Sweden. Musculoskeletal symptoms during the previous year were assessed using the standardised Nordic questionnaire. Prevalence rate ratios were adjusted for age, smoking and job strain. Results showed that all driver categories had significantly increased prevalence rate ratios (1.5-2.9) for experiencing symptoms in the neck-shoulder and thoracic regions. Unlike findings from previous epidemiological studies, there was not an increased risk of low back pain among any of the driver categories compared to the control group. The higher prevalence of musculoskeletal problems is thought to be due to long-term exposure to physical factors, such as, whole-body vibration (WBV) and shock, static muscle overload and extreme body postures. The findings in this study highlight the fact that working with ATVs may cause, aggravate or prevent resolution of musculoskeletal symptoms. However, the exact cause of these problems is unclear and the interaction between vibration and body posture is not known. The authors believe however that it is necessary to reduce exposure to WBV and shock to decrease the high prevalence of musculoskeletal symptoms among professional ATV drivers. This may be done by implementing preventative measures, such as selecting the best vehicle model or seat, optimising driving style and minimizing use in rough terrain. Health surveillance seems to be important for people that regularly use ATVs in their work.
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Affiliation(s)
- B. Rehn
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
| | - R. Lundström
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
| | - T. Nilsson
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
| | - I.A. Bergdahl
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
| | - C. Ahlgren
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
| | - C. From
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
| | - G. Sundelin
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
| | - B. Järvholm
- Special task force on terrain vehicles at Occupational Medicine, Department of Public Health and Clinical, Medicine, Umeå University, Sweden
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Abstract
Purpose: To retrospectively evaluate the clinical outcome of non-anticoagulated patients with clinically suspected acute pulmonary embolism (PE) and no symptoms or signs of deep venous thrombosis (DVT) following a negative contrast medium-enhanced spiral CT of the pulmonary arteries (s-CTPA). Material and Methods: During a 24-month period, 739 of 751 patients underwent s-CTPA with acceptable diagnostic quality for clinically suspected acute PE. All patients who had a CT study not positive for PE were followed up with a questionnaire, a telephone interview and review of all medical reports, including autopsies and death certificates for any episodes of venous thromboembolism (VTE) during a 3-month period. Results: PE was diagnosed in 158 patients. Of the remaining 581 patients with a negative s-CTPA, 45 patients were lost to follow-up. 88 patients were excluded because of anticoagulation treatment (cardiac disorder n=32, chronic VTE or acute symptomatic DVT n=31, PE diagnosed at pulmonary angiography n=1, thrombus prophylaxis during diagnostic work-up or other reasons than VTE n=24) and 7 patients undergoing lower extremity venous studies because of symptoms of DVT (all negative). Thus, 441 patients with a negative s-CTPA and no DVT symptoms, venous studies or anticoagulant treatment constituted the follow-up cohort. Four of these patients had proven VTE (all PE) during the 3-month follow-up period. Two of the PE episodes contributed to the patient's death. Conclusion: Patients with clinically suspected acute PE, no symptoms or signs of DVT and a negative single slice s-CTPA using 3–5 mm collimation, may safely be left without anticoagulation treatment unless they are critically ill, have a limited cardiopulmonary reserve and/or if a high clinical suspicion remains.
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Affiliation(s)
- T. Nilsson
- Department of Thoracic Radiology, Karolinska Hospital, Stockholm, Sweden
| | - A. Olausson
- Department of Thoracic Radiology, Karolinska Hospital, Stockholm, Sweden
| | - H. Johnsson
- Department of Thoracic Radiology, Internal Medicine, Karolinska Hospital, Stockholm, Sweden
| | - U. Nyman
- Department of Radiology, County Hospital, Trelleborg, Huddinge, Sweden
| | - P. Aspelin
- Department of Radiology, Huddinge University Hospital, Huddinge, Sweden
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Mörtzell Henriksson M, Newman E, Witt V, Derfler K, Leitner G, Eloot S, Dhondt A, Deeren D, Rock G, Ptak J, Blaha M, Lanska M, Gasova Z, Hrdlickova R, Ramlow W, Prophet H, Liumbruno G, Mori E, Griskevicius A, Audzijoniene J, Vrielink H, Rombout S, Aandahl A, Sikole A, Tomaz J, Lalic K, Mazic S, Strineholm V, Brink B, Berlin G, Dykes J, Toss F, Axelsson CG, Stegmayr B, Nilsson T, Norda R, Knutson F, Ramsauer B, Wahlström A. Adverse events in apheresis: An update of the WAA registry data. Transfus Apher Sci 2016; 54:2-15. [PMID: 26776481 DOI: 10.1016/j.transci.2016.01.003] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Apheresis with different procedures and devices are used for a variety of indications that may have different adverse events (AEs). The aim of this study was to clarify the extent and possible reasons of various side effects based on data from a multinational registry. The WAA-apheresis registry data focus on adverse events in a total of 50846 procedures in 7142 patients (42% women). AEs were graded as mild, moderate (need for medication), severe (interruption due to the AE) or death (due to AE). More AEs occurred during the first procedures versus subsequent (8.4 and 5.5%, respectively). AEs were mild in 2.4% (due to access 54%, device 7%, hypotension 15%, tingling 8%), moderate in 3% (tingling 58%, urticaria 15%, hypotension 10%, nausea 3%), and severe in 0.4% of procedures (syncope/hypotension 32%, urticaria 17%, chills/fever 8%, arrhythmia/asystole 4.5%, nausea/vomiting 4%). Hypotension was most common if albumin was used as the replacement fluid, and urticaria when plasma was used. Arrhythmia occurred to similar extents when using plasma or albumin as replacement. In 64% of procedures with bronchospasm, plasma was part of the replacement fluid used. Severe AEs are rare. Although most reactions are mild and moderate, several side effects may be critical for the patient. We present side effects in relation to the procedures and suggest that safety is increased by regular vital sign measurements, cardiac monitoring and by having emergency equipment nearby.
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Affiliation(s)
| | - E Newman
- Bone Marrow Transplant & Apheresis, New South Wales, Australia
| | - V Witt
- St. Anna, Vienna, Austria
| | | | | | | | | | | | | | - J Ptak
- Frydek-Mistek, Czech Republic
| | - M Blaha
- Hradec Kralove, Czech Republic
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Nilsson T. Growth and carbohydrate composition of winter white cabbage intended for long-term storage. I. Effects of late N-fertilization and time of harvest. ACTA ACUST UNITED AC 2015. [DOI: 10.1080/14620316.1988.11515875] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Nilsson T. Growth and carbohydrate composition of winter white cabbage intended for long-term storage. II. Effects of solar radiation, temperature and degree-days. ACTA ACUST UNITED AC 2015. [DOI: 10.1080/14620316.1988.11515876] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Fernández-García JP, Cubero M, Acosta L, Alcorta M, Alvarez MAG, Borge MJG, Buchmann L, Diget CA, Falou HA, Fulton BR, Fynbo HOU, Galaviz D, Gómez-Camacho J, Kanungo R, Lay JA, Madurga M, Martel I, Moro AM, Mukha I, Nilsson T, Rodríguez-Gallardo M, Sánchez-Benítez AM, Shotter A, Tengblad O, Walden P. 11Li structural information from inclusive break-up measurements. EPJ Web of Conferences 2015. [DOI: 10.1051/epjconf/20158801003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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19
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Nilsson T, Hansson C, Wallinder A, Malm C, Silverborn M, Laffin A, Ricksten S, Dellgren G. 284 * HAEMOFILTRATION IN EX-VIVO LUNG PERFUSION: A STUDY IN EXPERIMENTALLY-INDUCED PULMONARY OEDEMA. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu276.284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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20
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Wamers F, Marganiec J, Aksouh F, Aksyutina Y, Álvarez-Pol H, Aumann T, Beceiro-Novo S, Boretzky K, Borge MJG, Chartier M, Chatillon A, Chulkov LV, Cortina-Gil D, Emling H, Ershova O, Fraile LM, Fynbo HOU, Galaviz D, Geissel H, Heil M, Hoffmann DHH, Johansson HT, Jonson B, Karagiannis C, Kiselev OA, Kratz JV, Kulessa R, Kurz N, Langer C, Lantz M, Le Bleis T, Lemmon R, Litvinov YA, Mahata K, Müntz C, Nilsson T, Nociforo C, Nyman G, Ott W, Panin V, Paschalis S, Perea A, Plag R, Reifarth R, Richter A, Rodriguez-Tajes C, Rossi D, Riisager K, Savran D, Schrieder G, Simon H, Stroth J, Sümmerer K, Tengblad O, Weick H, Wimmer C, Zhukov MV. First observation of the unbound nucleus 15Ne. Phys Rev Lett 2014; 112:132502. [PMID: 24745409 DOI: 10.1103/physrevlett.112.132502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Indexed: 06/03/2023]
Abstract
We report on the first observation of the unbound proton-rich nucleus 15Ne. Its ground state and first excited state were populated in two-neutron knockout reactions from a beam of 500 MeV/u 17Ne. The 15Ne ground state is found to be unbound by 2.522(66) MeV. The decay proceeds directly to 13O with simultaneous two-proton emission. No evidence for sequential decay via the energetically allowed 2- and 1- states in 14F is observed. The 15Ne ground state is shown to have a strong configuration with two protons in the (sd) shell around 13O with a 63(5)% (1s1/2)2 component.
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Affiliation(s)
- F Wamers
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany and GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and ExtreMe Matter Institute EMMI and Research Division GSI, D-64291 Darmstadt, Germany and Frankfurt Institute for Advanced Studies FIAS, D-60438 Frankfurt am Main, Germany
| | - J Marganiec
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany and GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and ExtreMe Matter Institute EMMI and Research Division GSI, D-64291 Darmstadt, Germany
| | - F Aksouh
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - Yu Aksyutina
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - H Álvarez-Pol
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, ES-15782 Santiago de Compostela, Spain
| | - T Aumann
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany and GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - S Beceiro-Novo
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, ES-15782 Santiago de Compostela, Spain
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - M J G Borge
- Instituto de Estructura de la Materia, CSIC, ES-28006 Madrid, Spain
| | - M Chartier
- Department of Physics, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - A Chatillon
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - L V Chulkov
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and NRC Kurchatov Institute, RU-123182 Moscow, Russia
| | - D Cortina-Gil
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, ES-15782 Santiago de Compostela, Spain
| | - H Emling
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - O Ershova
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - L M Fraile
- Department of Atomic, Molecular and Nuclear Physics, Universidad Complutense de Madrid, ES-28040 Madrid, Spain
| | - H O U Fynbo
- Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus, Denmark
| | - D Galaviz
- Instituto de Estructura de la Materia, CSIC, ES-28006 Madrid, Spain
| | - H Geissel
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - M Heil
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - D H H Hoffmann
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - H T Johansson
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - B Jonson
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - C Karagiannis
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - O A Kiselev
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - J V Kratz
- Institut für Kernchemie Johannes Gutenberg-Universität Mainz, D-55122 Mainz, Germany
| | - R Kulessa
- Instytut Fizyki, Uniwersytet Jagelloński, PL-30-059 Krakóv, Poland
| | - N Kurz
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - C Langer
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - M Lantz
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden and Institutionen för fysik och astronomi, Uppsala Universitet, SE-75120 Uppsala, Sweden
| | - T Le Bleis
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Physik-Department E12, Technische Universität München, D-85748 Garching, Germany
| | - R Lemmon
- Nuclear Physics Group, STFC Daresbury Lab, Warrington WA4 4AD, Cheshire, United Kingdom
| | - Yu A Litvinov
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - K Mahata
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Nuclear Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400 085, India
| | - C Müntz
- Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - T Nilsson
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - C Nociforo
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - G Nyman
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - W Ott
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - V Panin
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany and GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - S Paschalis
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Department of Physics, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - A Perea
- Instituto de Estructura de la Materia, CSIC, ES-28006 Madrid, Spain
| | - R Plag
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - R Reifarth
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - A Richter
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - C Rodriguez-Tajes
- Departamento de Física de Partículas, Universidade de Santiago de Compostela, ES-15782 Santiago de Compostela, Spain
| | - D Rossi
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Kernchemie Johannes Gutenberg-Universität Mainz, D-55122 Mainz, Germany
| | - K Riisager
- Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus, Denmark
| | - D Savran
- ExtreMe Matter Institute EMMI and Research Division GSI, D-64291 Darmstadt, Germany and Frankfurt Institute for Advanced Studies FIAS, D-60438 Frankfurt am Main, Germany
| | - G Schrieder
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - J Stroth
- Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - K Sümmerer
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - O Tengblad
- Instituto de Estructura de la Materia, CSIC, ES-28006 Madrid, Spain
| | - H Weick
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - C Wimmer
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - M V Zhukov
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
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Wallinder A, Ricksten S, Riise G, Nilsson T, Dellgren G. Outcome After Transplantation of Lungs Evaluated With Ex-Vivo Lung Perfusion. J Heart Lung Transplant 2014. [DOI: 10.1016/j.healun.2014.01.521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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22
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Wamers F, Marganiec J, Aksouh F, Aksyutina Y, Álvarez-Pol H, Aumann T, Beceiro-Novo S, Bertulani C, Boretzky K, Borge M, Chartier M, Chatillon A, Chulkov L, Cortina-Gil D, Egorova I, Emling H, Ershova O, Forssén C, Fraile L, Fynbo H, Galaviz D, Geissel H, Grigorenko L, Heil M, Hoffmann D, Hoffmann J, Johansson H, Jonson B, Karagiannis C, Karakoç M, Kiselev O, Kratz J, Kulessa R, Kurz N, Langer C, Lantz M, Larsson K, Bleis TL, Lemmon R, Litvinov Y, Mahata K, Müntz C, Nilsson T, Nociforo C, Nyman G, Ott W, Panin V, Parfenova Y, Paschalis S, Perea A, Plag R, Reifarth R, Richter A, Rodriguez-Tajes C, Rossi D, Riisager K, Savran D, Schrieder G, Shul’gina N, Simon H, Stroth J, Sümmerer K, Taylor J, Tengblad O, Tengborn E, Weick H, Wimmer C, Zhukov M. Exclusive measurements of nuclear breakup reactions of 17Ne. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146603094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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23
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Aksyutina Y, Aumann T, Boretzky K, Borge MJG, Caesar C, Chatillon A, Chulkov LV, Cortina-Gil D, Datta Pramanik U, Emling H, Fynbo HOU, Geissel H, Heinz A, Ickert G, Johansson HT, Jonson B, Kulessa R, Langer C, LeBleis T, Mahata K, Münzenberg G, Nilsson T, Nyman G, Palit R, Paschalis S, Prokopowicz W, Reifarth R, Rossi D, Richter A, Riisager K, Schrieder G, Simon H, Sümmerer K, Tengblad O, Thies R, Weick H, Zhukov MV. Study of the 14Be continuum: identification and structure of its second 2+ state. Phys Rev Lett 2013; 111:242501. [PMID: 24483646 DOI: 10.1103/physrevlett.111.242501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Revised: 11/01/2013] [Indexed: 06/03/2023]
Abstract
The coupling between bound quantum states and those in the continuum is of high theoretical interest. Experimental studies of bound drip-line nuclei provide ideal testing grounds for such investigations since they, due to the feeble binding energy of their valence particles, are easy to excite into the continuum. In this Letter, continuum states in the heaviest particle-stable Be isotope, 14Be, are studied by employing the method of inelastic proton scattering in inverse kinematics. New continuum states are found at excitation energies E*=3.54(16) MeV and E*=5.25(19) MeV. The structure of the earlier known 2(1)+ state at 1.54(13) MeV was confirmed with a predominantly (0d5/2)2 configuration while there is very clear evidence that the 2(2)+ state has a predominant (1s1/2, 0d5/2) structure with a preferential three-body decay mechanism. The region at about 7 MeV excitation shows distinct features of sequential neutron decay via intermediate states in 13Be. This demonstrates that the increasing availability of energetic beams of exotic nuclei opens up new vistas for experiments leading towards a new understanding of the interplay between bound and continuum states.
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Affiliation(s)
- Yu Aksyutina
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - T Aumann
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany and Institut für Kernphysik, Technische Universität, D-64289 Darmstadt, Germany
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - M J G Borge
- Instituto de Estructura de la Materia, CSIC, ES-28006 Madrid, Spain
| | - C Caesar
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany and Institut für Kernphysik, Technische Universität, D-64289 Darmstadt, Germany
| | - A Chatillon
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - L V Chulkov
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany and Kurchatov Institute, RU-123182 Moscow, Russia
| | - D Cortina-Gil
- Universidade de Santiago de Compostela, ES-15782 Santiago de Compostela, Spain
| | - U Datta Pramanik
- Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata IN-700064, India
| | - H Emling
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - H O U Fynbo
- Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus, Denmark
| | - H Geissel
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - A Heinz
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - G Ickert
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - H T Johansson
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - B Jonson
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - R Kulessa
- Instytut Fisiki, Uniwersytet Jagelloński, PL-30-059 Krakóv, Poland
| | - C Langer
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - T LeBleis
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - K Mahata
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - G Münzenberg
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - T Nilsson
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - G Nyman
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - R Palit
- Institut für Kernphysik, Johann-Wolfgang-Goethe-Universität, D-60486 Frankfurt, Germany
| | - S Paschalis
- Institut für Kernphysik, Technische Universität, D-64289 Darmstadt, Germany
| | - W Prokopowicz
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - R Reifarth
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany and Institut für Kernphysik, Johann-Wolfgang-Goethe-Universität, D-60486 Frankfurt, Germany
| | - D Rossi
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - A Richter
- Institut für Kernphysik, Technische Universität, D-64289 Darmstadt, Germany
| | - K Riisager
- Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus, Denmark
| | - G Schrieder
- Institut für Kernphysik, Technische Universität, D-64289 Darmstadt, Germany
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - K Sümmerer
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - O Tengblad
- Instituto de Estructura de la Materia, CSIC, ES-28006 Madrid, Spain
| | - R Thies
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
| | - H Weick
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, ExtreMe Matter Institute, EMMI, D-64291 Darmstadt, Germany
| | - M V Zhukov
- Fundamental Fysik, Chalmers Tekniska Högskola, SE-41296 Göteborg, Sweden
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24
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Rossi DM, Adrich P, Aksouh F, Alvarez-Pol H, Aumann T, Benlliure J, Böhmer M, Boretzky K, Casarejos E, Chartier M, Chatillon A, Cortina-Gil D, Datta Pramanik U, Emling H, Ershova O, Fernandez-Dominguez B, Geissel H, Gorska M, Heil M, Johansson HT, Junghans A, Kelic-Heil A, Kiselev O, Klimkiewicz A, Kratz JV, Krücken R, Kurz N, Labiche M, Le Bleis T, Lemmon R, Litvinov YA, Mahata K, Maierbeck P, Movsesyan A, Nilsson T, Nociforo C, Palit R, Paschalis S, Plag R, Reifarth R, Savran D, Scheit H, Simon H, Sümmerer K, Wagner A, Waluś W, Weick H, Winkler M. Measurement of the dipole polarizability of the unstable neutron-rich nucleus 68Ni. Phys Rev Lett 2013; 111:242503. [PMID: 24483648 DOI: 10.1103/physrevlett.111.242503] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Indexed: 06/03/2023]
Abstract
The E1 strength distribution in 68Ni has been investigated using Coulomb excitation in inverse kinematics at the R3B-LAND setup and by measuring the invariant mass in the one- and two-neutron decay channels. The giant dipole resonance and a low-lying peak (pygmy dipole resonance) have been observed at 17.1(2) and 9.55(17) MeV, respectively. The measured dipole polarizability is compared to relativistic random phase approximation calculations yielding a neutron-skin thickness of 0.17(2) fm. A method and analysis applicable to neutron-rich nuclei has been developed, allowing for a precise determination of neutron skins in nuclei as a function of neutron excess.
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Affiliation(s)
- D M Rossi
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Kernchemie, Johannes Gutenberg-Universität, D-55128 Mainz, Germany
| | - P Adrich
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - F Aksouh
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - H Alvarez-Pol
- University of Santiago de Compostela, E-15705 Santiago de Compostela, Spain
| | - T Aumann
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - J Benlliure
- University of Santiago de Compostela, E-15705 Santiago de Compostela, Spain
| | - M Böhmer
- Physik-Department E12, Technische Universität München, D-85748 Garching, Germany
| | - K Boretzky
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | | | - M Chartier
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A Chatillon
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - D Cortina-Gil
- University of Santiago de Compostela, E-15705 Santiago de Compostela, Spain
| | | | - H Emling
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - O Ershova
- Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - B Fernandez-Dominguez
- University of Santiago de Compostela, E-15705 Santiago de Compostela, Spain and University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - H Geissel
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - M Gorska
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - M Heil
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - H T Johansson
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Chalmers University of Technology, SE-41296 Göteborg, Sweden
| | - A Junghans
- Helmholtz-Zentrum Dresden-Rossendorf e.V., D-01328 Dresden, Germany
| | - A Kelic-Heil
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - O Kiselev
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Kernchemie, Johannes Gutenberg-Universität, D-55128 Mainz, Germany
| | - A Klimkiewicz
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Jagiellonian University, PL-30-059 Krakow, Poland
| | - J V Kratz
- Institut für Kernchemie, Johannes Gutenberg-Universität, D-55128 Mainz, Germany
| | - R Krücken
- Physik-Department E12, Technische Universität München, D-85748 Garching, Germany
| | - N Kurz
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - M Labiche
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom and STFC Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - T Le Bleis
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany and Institut Pluridisciplinaire Hubert Curien, F-67037 Strasbourg, France
| | - R Lemmon
- STFC Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - Yu A Litvinov
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - K Mahata
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Bhabha Atomic Research Centre, Mumbai 400-085, India
| | - P Maierbeck
- Physik-Department E12, Technische Universität München, D-85748 Garching, Germany
| | - A Movsesyan
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - T Nilsson
- Chalmers University of Technology, SE-41296 Göteborg, Sweden
| | - C Nociforo
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - R Palit
- Tata Institute of Fundamental Research, Mumbai 400-005, India
| | - S Paschalis
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany and University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - R Plag
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - R Reifarth
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Institut für Angewandte Physik, Goethe Universität, D-60438 Frankfurt am Main, Germany
| | - D Savran
- ExtreMe Matter Institute EMMI and Research Division, GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany and Frankfurt Institute for Advanced Studies, D-60438 Frankfurt am Main, Germany
| | - H Scheit
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - H Simon
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - K Sümmerer
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - A Wagner
- Helmholtz-Zentrum Dresden-Rossendorf e.V., D-01328 Dresden, Germany
| | - W Waluś
- Jagiellonian University, PL-30-059 Krakow, Poland
| | - H Weick
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
| | - M Winkler
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
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25
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Stegmayr B, Ptak J, Nilsson T, Berlin G, Mirea V, Axelsson CG, Griskevicius A, Centoni P, Liumbruno G, Audzijoniene J, Mokvist K, Lassen E, Knutson F, Norda R, Mörtzell M, Prophet H, Ramlow W, Blaha M, Witt V, Efvergren M, Tomaz J, Newman E, Eloot S, Dhondt A, Lalic K, Sikole A, Derfler K, Hrdlickova R, Tomsova H, Gasova Z, Bhuiyan-Ludvikova Z, Ramsauer B, Vrielink H. Panorama of adverse events during cytapheresis. Transfus Apher Sci 2013; 48:155-6. [PMID: 23809812 DOI: 10.1016/j.transci.2013.02.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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26
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Fernández-García JP, Cubero M, Rodríguez-Gallardo M, Acosta L, Alcorta M, Alvarez MAG, Borge MJG, Buchmann L, Diget CA, Falou HA, Fulton BR, Fynbo HOU, Galaviz D, Gómez-Camacho J, Kanungo R, Lay JA, Madurga M, Martel I, Moro AM, Mukha I, Nilsson T, Sánchez-Benítez AM, Shotter A, Tengblad O, Walden P. 11Li Breakup on 208 at energies around the Coulomb barrier. Phys Rev Lett 2013; 110:142701. [PMID: 25166983 DOI: 10.1103/physrevlett.110.142701] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Revised: 12/22/2012] [Indexed: 06/03/2023]
Abstract
The inclusive breakup for the (11)Li + (208)Pb reaction at energies around the Coulomb barrier has been measured for the first time. A sizable yield of (9)Li following the (11)Li dissociation has been observed, even at energies well below the Coulomb barrier. Using the first-order semiclassical perturbation theory of Coulomb excitation it is shown that the breakup probability data measured at small angles can be used to extract effective breakup energy as well as the slope of B(E1) distribution close to the threshold. Four-body continuum-discretized coupled-channels calculations, including both nuclear and Coulomb couplings between the target and projectile to all orders, reproduce the measured inclusive breakup cross sections and support the presence of a dipole resonance in the (11)Li continuum at low excitation energy.
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Affiliation(s)
- J P Fernández-García
- Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain and Centro Nacional de Aceleradores, Universidad de Sevilla/Junta de Andalucía/CSIC, E-41092 Seville, Spain
| | - M Cubero
- Instituto de Estructura de la Materia-CSIC, E-28006 Madrid, Spain and Centro de Investigación en Ciencias Atómicas, Nucleares y Moleculares (CICANUM), CR-2060 San José, Costa Rica
| | - M Rodríguez-Gallardo
- Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain
| | - L Acosta
- Istituto Nazionali di Fisica Nucleare-Laboratori Nazionali del Sud (INFN-LNS), I-95123 Catania, Italy and Departamento de Física Aplicada, Universidad de Huelva, E-21071 Huelva, Spain
| | - M Alcorta
- Instituto de Estructura de la Materia-CSIC, E-28006 Madrid, Spain
| | - M A G Alvarez
- Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain and Centro Nacional de Aceleradores, Universidad de Sevilla/Junta de Andalucía/CSIC, E-41092 Seville, Spain
| | - M J G Borge
- Instituto de Estructura de la Materia-CSIC, E-28006 Madrid, Spain
| | - L Buchmann
- TRIUMF, Vancouver, British Columbia V-6T2A3, Canada
| | - C A Diget
- Departament of Physics, University of York, YO1O-5DD Heslington, York, United Kingdom
| | - H A Falou
- Department of Astronomy and Physics, Saint Mary's University, Halifax B3H3C3, Canada
| | - B R Fulton
- Departament of Physics, University of York, YO1O-5DD Heslington, York, United Kingdom
| | - H O U Fynbo
- Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark
| | - D Galaviz
- Centro de Física Nuclear da Universidade de Lisboa (CFNUL), 1649-003 Lisbon, Portugal
| | - J Gómez-Camacho
- Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain and Centro Nacional de Aceleradores, Universidad de Sevilla/Junta de Andalucía/CSIC, E-41092 Seville, Spain
| | - R Kanungo
- Department of Astronomy and Physics, Saint Mary's University, Halifax B3H3C3, Canada
| | - J A Lay
- Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain
| | - M Madurga
- Instituto de Estructura de la Materia-CSIC, E-28006 Madrid, Spain
| | - I Martel
- Departamento de Física Aplicada, Universidad de Huelva, E-21071 Huelva, Spain
| | - A M Moro
- Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain
| | - I Mukha
- Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain
| | - T Nilsson
- Fundamental Physics, Chalmers University of Technology, S-41296 Göteborg, Sweden
| | - A M Sánchez-Benítez
- Departamento de Física Aplicada, Universidad de Huelva, E-21071 Huelva, Spain
| | - A Shotter
- School of Physics and Astronomy, University of Edinburgh, EH9 3JZ Edinburgh, United Kingdom
| | - O Tengblad
- Instituto de Estructura de la Materia-CSIC, E-28006 Madrid, Spain
| | - P Walden
- TRIUMF, Vancouver, British Columbia V-6T2A3, Canada
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Lagler K, Schindelegger M, Böhm J, Krásná H, Nilsson T. GPT2: Empirical slant delay model for radio space geodetic techniques. Geophys Res Lett 2013; 40:1069-1073. [PMID: 25821263 PMCID: PMC4373150 DOI: 10.1002/grl.50288] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 02/18/2013] [Accepted: 02/23/2013] [Indexed: 05/29/2023]
Abstract
Up to now, state-of-the-art empirical slant delay modeling for processing observations from radio space geodetic techniques has been provided by a combination of two empirical models. These are GPT (Global Pressure and Temperature) and GMF (Global Mapping Function), both operating on the basis of long-term averages of surface values from numerical weather models. Weaknesses in GPT/GMF, specifically their limited spatial and temporal variability, are largely eradicated by a new, combined model GPT2, which provides pressure, temperature, lapse rate, water vapor pressure, and mapping function coefficients at any site, resting upon a global 5° grid of mean values, annual, and semi-annual variations in all parameters. Built on ERA-Interim data, GPT2 brings forth improved empirical slant delays for geophysical studies. Compared to GPT/GMF, GPT2 yields a 40% reduction of annual and semi-annual amplitude differences in station heights with respect to a solution based on instantaneous local pressure values and the Vienna mapping functions 1, as shown with a series of global VLBI (Very Long Baseline Interferometry) solutions.
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Affiliation(s)
- K Lagler
- Department of Geodesy and Geoinformation (Research Group Advanced Geodesy), Vienna University of Technology Vienna, Austria ; Institute of Geodesy and Photogrammetry (Geosensors and Engineering Geodesy) ETH Zurich, Switzerland
| | - M Schindelegger
- Department of Geodesy and Geoinformation (Research Group Advanced Geodesy), Vienna University of Technology Vienna, Austria
| | - J Böhm
- Department of Geodesy and Geoinformation (Research Group Advanced Geodesy), Vienna University of Technology Vienna, Austria
| | - H Krásná
- Department of Geodesy and Geoinformation (Research Group Advanced Geodesy), Vienna University of Technology Vienna, Austria
| | - T Nilsson
- Department of Geodesy and Geoinformation (Research Group Advanced Geodesy), Vienna University of Technology Vienna, Austria ; Section 1.1, GPS/GALILEO Earth Observation, Deutsches GeoForschungsZentrum Potsdam, Germany
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28
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Kovacs GG, Rozemuller AJM, van Swieten JC, Gelpi E, Majtenyi K, Al-Sarraj S, Troakes C, Bódi I, King A, Hortobágyi T, Esiri MM, Ansorge O, Giaccone G, Ferrer I, Arzberger T, Bogdanovic N, Nilsson T, Leisser I, Alafuzoff I, Ironside JW, Kretzschmar H, Budka H. Neuropathology of the hippocampus in FTLD-Tau with Pick bodies: a study of the BrainNet Europe Consortium. Neuropathol Appl Neurobiol 2013; 39:166-78. [DOI: 10.1111/j.1365-2990.2012.01272.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Ahlgren A, Steen S, Segstedt S, Nilsson T, Lindström K, Sjöberg T, Persson H, Ricci S, Tortoli P, Cinthio M. P6.16 PRONOUNCED INCREASE IN LONGITUDINAL DISPLACEMENT OF THE PORCINE CAROTID ARTERY WALL CAN TAKE PLACE INDEPENDENTLY OF WALL SHEAR RATE. Artery Res 2013. [DOI: 10.1016/j.artres.2013.10.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Cubero M, Fernández-García JP, Rodríguez-Gallardo M, Acosta L, Alcorta M, Alvarez MAG, Borge MJG, Buchmann L, Diget CA, Al Falou H, Fulton BR, Fynbo HOU, Galaviz D, Gómez-Camacho J, Kanungo R, Lay JA, Madurga M, Martel I, Moro AM, Mukha I, Nilsson T, Sánchez-Benítez AM, Shotter A, Tengblad O, Walden P. Do halo nuclei follow Rutherford elastic scattering at energies below the barrier? The case of 11Li. Phys Rev Lett 2012; 109:262701. [PMID: 23368554 DOI: 10.1103/physrevlett.109.262701] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2012] [Indexed: 06/01/2023]
Abstract
The first measurement of the elastic scattering of the halo nucleus 11Li and its core 9Li on 208Pb at energies near the Coulomb barrier is presented. The 11Li+208Pb elastic scattering shows a strong reduction with respect to the Rutherford cross section, even at energies well below the barrier and down to very small scattering angles. This drastic change of the elastic differential cross section observed in 11Li+208Pb is the consequence of the halo structure of 11Li, as it is not observed in the elastic scattering of its core 9Li at the same energies. Four-body continuum-discretized coupled-channels calculations, based on a three-body model of the 11Li projectile, are found to explain the measured angular distributions and confirm that the observed reduction is mainly due to the strong Coulomb coupling to the dipole states in the low-lying continuum of 11Li. These calculations suggest the presence of a low-lying dipole resonance in 11Li close to the breakup threshold.
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Affiliation(s)
- M Cubero
- Instituto de Estructura de la Materia CSIC, E28006 Madrid, Spain
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31
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Kirsebom OS, Alcorta M, Borge MJG, Cubero M, Diget CA, Fraile LM, Fulton BR, Fynbo HOU, Galaviz D, Jonson B, Madurga M, Nilsson T, Nyman G, Riisager K, Tengblad O, Turrión M. Improved limit on direct α decay of the Hoyle state. Phys Rev Lett 2012; 108:202501. [PMID: 23003143 DOI: 10.1103/physrevlett.108.202501] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2012] [Indexed: 06/01/2023]
Abstract
The current evaluation of the triple-α reaction rate assumes that the α decay of the 7.65 MeV, 0+ state in 12C, commonly known as the Hoyle state, proceeds sequentially via the ground state of 8Be. This assumption is challenged by the recent identification of two direct α-decay branches with a combined branching ratio of 17(5)%. If correct, this would imply a corresponding reduction in the triple-α reaction rate with important astrophysical consequences. We have used the 11B(3He,d) reaction to populate the Hoyle state and measured the decay to three α particles in complete kinematics. We find no evidence for direct α-decay branches, and hence our data do not support a revision of the triple-α reaction rate. We obtain an upper limit of 5×10(-3) on the direct α decay of the Hoyle state at 95% C.L., which is 1 order of magnitude better than a previous upper limit.
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Affiliation(s)
- O S Kirsebom
- Department of Physics and Astronomy, Aarhus University, DK-8000 Århus C, Denmark.
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Cubero M, Fernández-Garcia J, Lay J, Acosta L, Alcorta M, Madurga M, Alvarez M, Borge M, Buchmann L, Diget C, Fulton B, Fynbo H, Galaviz D, Gómez-Camacho J, Martel I, Moro A, Mukha I, Nilsson T, Sánchez-Benítez A, Shotter A, Tengblad O, Walden P. Scattering of9Li on208Pb at energies around the Coulomb barrier. EPJ Web of Conferences 2011. [DOI: 10.1051/epjconf/20111716002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Mörtzell M, Berlin G, Nilsson T, Axelsson CG, Efvergren M, Audzijoni J, Griskevicius A, Ptak J, Blaha M, Tomsova H, Liumbruno GM, Centoni P, Newman E, Eloot S, Dhondt A, Tomaz J, Witt V, Rock G, Stegmayr B. Analyses of data of patients with Thrombotic Microangiopathy in the WAA registry. Transfus Apher Sci 2011; 45:125-31. [PMID: 21903476 DOI: 10.1016/j.transci.2011.07.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
UNLABELLED Thrombotic Microangiopathy (TMA) is a histopathological feature of various diseases including thrombotic thrombocytopenic purpura and hemolytic uremic syndrome. The aim of this study was to investigate the outcome and prognostic variables of TMA-patients. MATERIALS AND METHODS Data were consecutively retrieved from the WAA-apheresis registry (www.waa-registry.org) during 2003-2009. Included were all 120 patients (1237 procedures) who suffered from various forms of TMA, as registered by the ICD-10 code M31.1. Besides registry data, more extensive information was retrieved from the latest 64 patients. Adverse events of the TMA patients were compared to those of the other patients in the registry. RESULTS The mean age was 46 years (range 11-85 years, 57% women). In 72% therapeutic apheresis was due to an acute indication while a long-term indication was present in 28%. Plasma exchange was performed by centrifugation and filtration technique (95% and 4%, respectively), and immunoadsorption in 1% of the patients. Only fresh frozen plasma was used as replacement fluid in 69% of procedures. Adverse events were more frequent than in the general apheresis population (10% versus 5%, RR 1.9, CI 1.6-2.3). No death occurred due to apheresis treatment. Three percent of the procedures were interrupted. Bronchospasm and/or anaphylactic shock were present in two patients and one patient suffered from TRALI. At admission 26% were bedridden and needed to be fed. The risk of dying during the treatment period was significantly higher if the patient also suffered from a compromising disease, such as cancer. There was an inverse correlation between the ADAMTS13 level and the antibody titer (r=-0.47, p=0.034). CONCLUSIONS Patients with TMA have an increased risk for moderate and severe AE compared to the general apheresis population. Many patients were severely ill at admission. The prognosis is worse if the patient also has a severe chronic disease. Even slightly increased ADAMTS13-antibody titers seem to have a negative impact on the ADAMTS13 levels.
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Affiliation(s)
- M Mörtzell
- Department of Public Health and Medicine, Umeå University, Umea, Sweden.
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Antonov A, Gaidarov M, Ivanov M, Kadrev D, Aïche M, Barreau G, Czajkowski S, Jurado B, Belier G, Chatillon A, Granier T, Taieb J, Doré D, Letourneau A, Ridikas D, Dupont E, Berthoumieux E, Panebianco S, Farget F, Schmitt C, Audouin L, Khan E, Tassan-Got L, Aumann T, Beller P, Boretzky K, Dolinskii A, Egelhof P, Emling H, Franzke B, Geissel H, Kelic-Heil A, Kester O, Kurz N, Litvinov Y, Münzenberg G, Nolden F, Schmidt KH, Scheidenberger C, Simon H, Steck M, Weick H, Enders J, Pietralla N, Richter A, Schrieder G, Zilges A, Distler M, Merkel H, Müller U, Junghans A, Lenske H, Fujiwara M, Suda T, Kato S, Adachi T, Hamieh S, Harakeh M, Kalantar-Nayestanaki N, Wörtche H, Berg G, Koop I, Logatchov P, Otboev A, Parkhomchuk V, Shatilov D, Shatunov P, Shatunov Y, Shiyankov S, Shvartz D, Skrinsky A, Chulkov L, Danilin B, Korsheninnikov A, Kuzmin E, Ogloblin A, Volkov V, Grishkin Y, Lisin V, Mushkarenkov A, Nedorezov V, Polonski A, Rudnev N, Turinge A, Artukh A, Avdeichikov V, Ershov S, Fomichev A, Golovkov M, Gorshkov A, Grigorenko L, Klygin S, Krupko S, Meshkov I, Rodin A, Sereda Y, Seleznev I, Sidorchuk S, Syresin E, Stepantsov S, Ter-Akopian G, Teterev Y, Vorontsov A, Kamerdzhiev S, Litvinova E, Karataglidis S, Alvarez Rodriguez R, Borge M, Fernandez Ramirez C, Garrido E, Sarriguren P, Vignote J, Fraile Prieto L, Lopez Herraiz J, Moya de Guerra E, Udias-Moinelo J, Amaro Soriano J, Lallena Rojo A, Caballero J, Johansson H, Jonson B, Nilsson T, Nyman G, Zhukov M, Golubev P, Rudolph D, Hencken K, Jourdan J, Krusche B, Rauscher T, Kiselev D, Trautmann D, Al-Khalili J, Catford W, Johnson R, Stevenson P, Barton C, Jenkins D, Lemmon R, Chartier M, Cullen D, Bertulani C, Heinz A. The electron–ion scattering experiment ELISe at the International Facility for Antiproton and Ion Research (FAIR)—A conceptual design study. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 2011. [DOI: 10.1016/j.nima.2010.12.246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Mörtzell M, Ptak J, Axelsson C, Berlin G, Griskevicius A, Nilsson T, Mokvist K, Blaha M, Tomaz J, Efvergren M, Newman E, Eloot S, Stegmayr B. 38 Analyses of data of patients with thrombotic microangiopathy in the WAA registry. Transfus Apher Sci 2010. [DOI: 10.1016/s1473-0502(10)70036-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Stegmayr B, Ptak J, Nilsson T, Blaha M, Berlin G, Griskevicius A, Audzijoniene J, Ramlow W, Centoni P, Newman E, Tomaz J, Witt V, Stojkovski L, Eloot S, Lalic K, Liumbruno G, Molfettini P, Efvergren M, Norda R, Knutson F, Axelsson C, Mörtzell M, Lassen E, Prophet H. 36 Report of World Apheresis Association registry data until June 2010. Transfus Apher Sci 2010. [DOI: 10.1016/s1473-0502(10)70019-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Burstrom L, Hagberg M, Lundstrom R, Nilsson T. Influence of vibration exposure on tactile and thermal perception thresholds. Occup Med (Lond) 2010. [DOI: 10.1093/occmed/kqq100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Hofvander B, Ståhlberg O, Nydén A, Wentz E, degl’Innocenti A, Billstedt E, Forsman A, Gillberg C, Nilsson T, Råstam M, Anckarsäter H. FC02-01 - Trait aggression in adult psychiatry is predicted by childhood hyperactivity, conduct disorder, adult substance abuse, and low cooperativeness. Eur Psychiatry 2010. [DOI: 10.1016/s0924-9338(10)70181-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Nilsson T, Ivanov IV, Oliw EH. LC-MS/MS analysis of epoxyalcohols and epoxides of arachidonic acid and their oxygenation by recombinant CYP4F8 and CYP4F22. Arch Biochem Biophys 2009; 494:64-71. [PMID: 19919823 DOI: 10.1016/j.abb.2009.11.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2009] [Revised: 11/10/2009] [Accepted: 11/11/2009] [Indexed: 11/28/2022]
Abstract
CYP4F22 and CYP4F8 are expressed in epidermis, and mutations of CYP4F22 are associated with lamellar ichthyosis. Epoxyalcohols (HEETs) and epoxides (EETs) of 20:4n-6 appear to be important for the water permeability barrier of skin. Our aim was to study the MS/MS spectra and fragmentation of these compounds and to determine whether they were oxidized by CYP4F22 or CYP4F8 expressed in yeast. HEETs were prepared from 15-hydroperoxyeicosatetraenoic acid (15-HPETE), 12-HPETE, and their [(2)H(8)]labeled isotopomers, and separated by normal phase-HPLC with MS/MS analysis. CYP4F22 oxygenated 20:4n-6 at C-18, whereas metabolites of HEETs could not be identified. CYP4F8 formed omega3 hydroxy metabolites of HEETs derived from 12R-HPETE with 11,12-epoxy-10-hydroxy configuration, but not HEETs derived from 15S-HPETE. 8,9-EET and 11,12-EET were also subject to omega3 hydroxylation by CYP4F8. We conclude that CYP4F8 and CYP4F22 oxidize 20:4n-6 and that CYP4F8 selectively oxidizes 8,9-EET, 11,12-EET, and 10,11R,12R-HEET at the omega3 position.
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Affiliation(s)
- T Nilsson
- Division of Biochemical Pharmacology, Department of Pharmaceutical Biosciences, Biomedicum, Uppsala University, Uppsala, Sweden
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Rehn B, Nilsson T, Lundström R, Hagberg M, Burström L. Neck pain combined with arm pain among professional drivers of forest machines and the association with whole-body vibration exposure. Ergonomics 2009; 52:1240-1247. [PMID: 19787503 DOI: 10.1080/00140130902939889] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The purpose of this study was to investigate the existence of neck pain and arm pain among professional forest machine drivers and to find out if pain were related to their whole-body vibration (WBV) exposure. A self-administered questionnaire was sent to 529 forest machine drivers in northern Sweden and the response was 63%. Two pain groups were formed; 1) neck pain; 2) neck pain combined with arm pain. From WBV exposure data (recent measurements made according to ISO 2631-1, available information from reports) and from the self-administered questionnaire, 14 various WBV exposure/dose measures were calculated for each driver. The prevalence of neck pain reported both for the previous 12 months and for the previous 7 d was 34% and more than half of them reported neck pain combined with pain in one or both arms. Analysis showed no significant association between neck pain and high WBV exposure; however, cases with neck pain more often experienced shocks and jolts in the vehicle as uncomfortable. There was no significant association between the 14 WBV measures and type of neck pain (neck pain vs. neck pain combined with arm pain). It seems as if characteristics of WBV exposure can explain neither existence nor the type of neck pain amongst professional drivers of forest machines. The logging industry is important for several industrialised countries. Drivers of forest machines frequently report neuromusculoskeletal pain from the neck. The type of neck pain is important for the decision of treatment modality and may be associated with exposure characteristics at work.
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Affiliation(s)
- B Rehn
- Department of Community Medicine and Rehabilitation, Physiotherapy, Umeå University, Umeå, Sweden.
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Johansson M, Johansson RL, Marcus G, Nilsson T. Heating of the specimen to 37 degrees C does not improve the platelet count. Eur J Haematol Suppl 2009; 53:57. [PMID: 2126244 DOI: 10.1111/j.1600-0609.1990.tb01530.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- M Johansson
- Department of Clinical Chemistry, Centrallasarettet, Borås, Sweden
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Kanungo R, Nociforo C, Prochazka A, Aumann T, Boutin D, Cortina-Gil D, Davids B, Diakaki M, Farinon F, Geissel H, Gernhäuser R, Gerl J, Janik R, Jonson B, Kindler B, Knöbel R, Krücken R, Lantz M, Lenske H, Litvinov Y, Lommel B, Mahata K, Maierbeck P, Musumarra A, Nilsson T, Otsuka T, Perro C, Scheidenberger C, Sitar B, Strmen P, Sun B, Szarka I, Tanihata I, Utsuno Y, Weick H, Winkler M. One-neutron removal measurement reveals 24O as a new doubly magic nucleus. Phys Rev Lett 2009; 102:152501. [PMID: 19518623 DOI: 10.1103/physrevlett.102.152501] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2008] [Indexed: 05/27/2023]
Abstract
The first measurement of the momentum distribution for one-neutron removal from (24)O at 920A MeV performed at GSI, Darmstadt is reported. The observed distribution has a width (FWHM) of 99 +/- 4 MeV/c in the projectile rest frame and a one-neutron removal cross section of 63 +/- 7 mb. The results are well explained with a nearly pure 2s_{1/2} neutron spectroscopic factor of 1.74 +/- 0.19 within the eikonal model. This large s-wave probability shows a spherical shell closure thereby confirming earlier suggestions that (24)O is a new doubly magic nucleus.
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Affiliation(s)
- R Kanungo
- Astronomy and Physics Department, Saint Mary's University, Halifax, NS B3H 3C3, Canada.
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Ripsweden J, Mir-Akbari H, Brolin EB, Brismar T, Nilsson T, Rasmussen E, Rück A, Svensson A, Werner C, Winter R, Cederlund K. Is training essential for interpreting cardiac computed tomography? Acta Radiol 2009; 50:194-200. [PMID: 19229680 DOI: 10.1080/02841850802654407] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Cardiac computed tomography (CT) has gained increasing acceptance for diagnosing obstructive coronary artery disease (CAD). Several guidelines have been published on required education for proficiency in the interpretation of these examinations. PURPOSE To describe the learning-curve effect of the interpretation of 100 consecutive cardiac CT examinations aimed at diagnosing CAD. The diagnostic accuracy of radiologists and radiographers was also compared. MATERIAL AND METHODS Two radiologists and two radiographers, all with no prior experience in evaluation of cardiac CT, independently underwent a dedicated training program of 100 examinations randomized into 10 blocks (sessions), with 10 cases in each. They independently evaluated the coronary arteries regarding significant obstructive CAD. After every session, individual feedback on diagnostic accuracy and comparison with the corresponding invasive coronary angiography (currently regarded as the gold standard to detect coronary lesions) was given. The time required for interpretation was recorded. RESULTS The mean review time decreased (P<0.0001) successively during the 10 sessions for all the observers together. The first session had a mean review time of 32 min, and the last session 16 min. No significant improvement in sensitivity, specificity, or negative predictive value (NPV) was observed. For positive predictive value (PPV), there was an improvement for the radiologists (P<0.05), but not for the radiographers. The radiographers had a higher total specificity compared to the radiologists (P<0.01). CONCLUSION The review time for novices in cardiac CT was approximately halved during the first 100 cases, with maintained accuracy. There was a learning-curve effect in PPV for the radiologists. The diagnostic accuracy of dedicated radiographers indicates that they might be considered to be included as part of the evaluation team.
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Affiliation(s)
- J. Ripsweden
- Division of Radiology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - H. Mir-Akbari
- Division of Cardiology, Department of Internal Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - E. Bacsovics Brolin
- Division of Radiology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - T. Brismar
- Division of Radiology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - T. Nilsson
- Division of Radiology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - E. Rasmussen
- Department of Radiology, Capio Diagnostic, Capio St. Göran Hospital, Stockholm, Sweden
| | - A. Rück
- Division of Cardiology, Department of Internal Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - A. Svensson
- Division of Radiology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - C. Werner
- Division of Radiology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - R. Winter
- Department of Clinical Physiology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - K. Cederlund
- Division of Radiology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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Wallentin L, Dellborg DM, Lindahl B, Nilsson T, Pehrsson K, Swahn E. The low-molecular-weight heparin dalteparin as adjuvant therapy in acute myocardial infarction: the ASSENT PLUS study. Clin Cardiol 2009; 24:I12-4. [PMID: 11286309 PMCID: PMC6654972 DOI: 10.1002/clc.4960241305] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Rapid reperfusion of an infarct-related artery reduces the extent of myocardial damage and improves survival in acute myocardial infarction (AMI). Currently, anticoagulant treatment with unfractionated heparin (UFH) is used as adjuvant therapy to fibrinolytic treatment. The low-molecular-weight heparin (LMWH) dalteparin is at least as effective as UFH in unstable coronary artery disease. The ASSENT PLUS trial was carried out to evaluate whether dalteparin is as effective as UFH as an adjunct to recombinant tissue-plasminogen activator (rt-PA) and aspirin in obtaining patency and Thrombolysis in Myocardial Infarction (TIMI)-3 flow in patients with AMI. The primary assessment of this phase II trial was TIMI flow, determined by coronary angiography. Patients with ST-elevation MI were randomized to receive aspirin and either rt-PA and UFH for 48 h, or rt-PA and dalteparin for 4 to 7 days. Evaluation was by TIMI flow after 4 to 7 days and clinical events (death, reinfarction, or revascularization) up to 30 days. There was a clear trend toward greater TIMI 3 flow with dalteparin compared with UFH. There was significantly less TIMI 0-1 flow or thrombus in the dalteparin group. Bleeding rates were similar. The occurrence of reinfarction was reduced during dalteparin treatment. These findings suggest that dalteparin could be substituted for UFH as an adjunct to rt-PA/aspirin in the management of patients with AMI.
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Affiliation(s)
- L Wallentin
- Department of Cardiology, University Hospital, Uppsala, Sweden
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Björ B, Burström L, Jonsson H, Nathanaelsson L, Damber L, Nilsson T. Fifty-year follow-up of mortality among a cohort of iron-ore miners in Sweden, with specific reference to myocardial infarction mortality. Occup Environ Med 2008; 66:264-8. [PMID: 19017687 DOI: 10.1136/oem.2008.040147] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES This study investigates both general mortality and mortality from myocardial infarction among men employed in iron-ore mines in Sweden. METHODS The mortality of employees (surface and underground workers) at the iron-ore mines in Malmberget and Kiruna, Sweden was investigated. The study cohort comprised men who had been employed for at least 1 year between 1923 and 1996. The causes of death were obtained from the national cause of death register from 1952 to 2001. Indirect standardised mortality ratios (SMR) were calculated for four main causes. Mortality specifically from myocardial infarction was also analysed. RESULTS 4504 deaths in the cohort gave an SMR for total mortality of 1.05 (95% CI 1.02 to 1.09). Mortality was significantly higher for lung cancer (SMR 1.73, 95% CI 1.52 to 1.97). There was an increased risk of injuries and poisonings (SMR 1.34, 95% CI 1.24 to 1.46) and respiratory diseases (SMR 1.14, 95% CI 1.00 to 1.28). There were 1477 cases of myocardial infarction, resulting in an SMR of 1.12 (95% CI 1.07 to 1.18). SMR was higher (1.35, 95% CI 1.22 to 1.50) for men aged <or=60 years than for those >60 years of age (1.06, 95% CI 1.00 to 1.13). CONCLUSIONS Mortality from myocardial infarction was higher than expected. There was also an increased risk of death from injuries and poisonings, lung cancer and respiratory diseases, as well as higher general mortality. Our findings support the results of previous studies that there is an association between working in the mining industry and adverse health outcomes.
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Affiliation(s)
- B Björ
- Department of Public Health and Clinical Medicine, Occupational Medicine, Umeå University, SE-901 87 Umeå, Sweden.
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Fernström AL, Sutian W, Royo F, Westlund K, Nilsson T, Carlsson HE, Paramastri Y, Pamungkas J, Sajuthi D, Schapiro SJ, Hau J. Stress in cynomolgus monkeys (Macaca fascicularis) subjected to long-distance transport and simulated transport housing conditions. Stress 2008; 11:467-76. [PMID: 18609299 DOI: 10.1080/10253890801903359] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
The stress associated with transportation of non-human primates used in scientific research is an important but almost unexplored part of laboratory animal husbandry. The procedures and routines concerning transport are not only important for the animals' physical health but also for their mental health as well. The transport stress in cynomolgus monkeys (Macaca fascicularis) was studied in two experiments. In Experiment 1, 25 adult female cynomolgus monkeys were divided into five groups of five animals each that received different diets during the transport phase of the experiment. All animals were transported in conventional single animal transport cages with no visual or tactile contact with conspecifics. The animals were transported by lorry for 24 h at ambient temperatures ranging between 20 degrees C and 35 degrees C. Urine produced before, during and after transport was collected and analysed for cortisol by enzyme-linked immunosorbent assay (ELISA). All monkeys exhibited a significant increase in cortisol excretion per time unit during the transport and on the first day following transport.Although anecdotal reports concerning diet during transport, including the provision of fruits and/or a tranquiliser, was thought likely to influence stress responses, these were not corrobated by the present study. In Experiment 2, behavioural data were collected from 18 cynomolgus macaques before and after transfer from group cages to either single or pair housing, and also before and after a simulated transport, in which the animals were housed in transport cages. The single housed monkeys were confined to single transport cages and the pair housed monkeys were kept in their pairs in double size cages. Both pair housed and singly housed monkeys showed clear behavioural signs of stress soon after their transfer out of their group cages.However, stress-associated behaviours were more prevalent in singly housed animals than in pair housed animals, and these behaviours persisted for a longer time after the simulated transport housing event than in the pair housed monkeys. Our data confirm that the transport of cynomolgus monkeys is stressful and suggest that it would be beneficial for the cynomolgus monkeys to be housed and transported in compatible pairs from the time they leave their group cages at the source country breeding facility until they arrive at their final laboratory destination in the country of use.
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Affiliation(s)
- A L Fernström
- Department of Neuroscience, Comparative Medicine, Uppsala University, Uppsala, Sweden
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Van de Walle J, Aksouh F, Ames F, Behrens T, Bildstein V, Blazhev A, Cederkäll J, Clément E, Cocolios TE, Davinson T, Delahaye P, Eberth J, Ekström A, Fedorov DV, Fedosseev VN, Fraile LM, Franchoo S, Gernhauser R, Georgiev G, Habs D, Heyde K, Huber G, Huyse M, Ibrahim F, Ivanov O, Iwanicki J, Jolie J, Kester O, Köster U, Kröll T, Krücken R, Lauer M, Lisetskiy AF, Lutter R, Marsh BA, Mayet P, Niedermaier O, Nilsson T, Pantea M, Perru O, Raabe R, Reiter P, Sawicka M, Scheit H, Schrieder G, Schwalm D, Seliverstov MD, Sieber T, Sletten G, Smirnova N, Stanoiu M, Stefanescu I, Thomas JC, Valiente-Dobón JJ, Van Duppen P, Verney D, Voulot D, Warr N, Weisshaar D, Wenander F, Wolf BH, Zielińska M. Coulomb excitation of neutron-rich Zn isotopes: first observation of the 2(1)+ state in 80Zn. Phys Rev Lett 2007; 99:142501. [PMID: 17930664 DOI: 10.1103/physrevlett.99.142501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2007] [Indexed: 05/25/2023]
Abstract
Neutron-rich, radioactive Zn isotopes were investigated at the Radioactive Ion Beam facility REX-ISOLDE (CERN) using low-energy Coulomb excitation. The energy of the 2(1)+ state in 78Zn could be firmly established and for the first time the 2+ --> 0(1)+ transition in 80Zn was observed at 1492(1) keV. B(E2,2(1)+ --> 0(1)+) values were extracted for (74,76,78,80)Zn and compared to large scale shell model calculations. With only two protons outside the Z=28 proton core, 80Zn is the lightest N=50 isotone for which spectroscopic information has been obtained to date. Two sets of advanced shell model calculations reproduce the observed B(E2) systematics. The results for N=50 isotones indicate a good N=50 shell closure and a strong Z=28 proton core polarization. The new results serve as benchmarks to establish theoretical models, predicting the nuclear properties of the doubly magic nucleus 78Ni.
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Affiliation(s)
- J Van de Walle
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, Belgium
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49
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Bostrom P, Rutberg M, Andersson L, Perman J, Lindberg U, Johansson B, Fernandez-Rodriguez J, Ericson J, Nilsson T, Boren J, Olofsson SO. WO9-OR-6 SNAP23 MEDIATES THE FUSION BETWEEN LIPID DROPLETS AND THE INFLUENCE OF LIPID ACCUMULATION ON THE INSULIN SENSITIVITY OF MUSCLE CELLS. ATHEROSCLEROSIS SUPP 2007. [DOI: 10.1016/s1567-5688(07)70982-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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50
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Stefanescu I, Georgiev G, Ames F, Aystö J, Balabanski DL, Bollen G, Butler PA, Cederkäll J, Champault N, Davinson T, De Maesschalck A, Delahaye P, Eberth J, Fedorov D, Fedosseev VN, Fraile LM, Franchoo S, Gladnishki K, Habs D, Heyde K, Huyse M, Ivanov O, Iwanicki J, Jolie J, Jonson B, Kröll T, Krücken R, Kester O, Köster U, Lagoyannis A, Liljeby L, Lo Bianco G, Marsh BA, Niedermaier O, Nilsson T, Oinonen M, Pascovici G, Reiter P, Saltarelli A, Scheit H, Schwalm D, Sieber T, Smirnova N, Van De Walle J, Van Duppen P, Zemlyanoi S, Warr N, Weisshaar D, Wenander F. Coulomb excitation of 68,70Cu: first use of postaccelerated isomeric beams. Phys Rev Lett 2007; 98:122701. [PMID: 17501116 DOI: 10.1103/physrevlett.98.122701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2006] [Indexed: 05/15/2023]
Abstract
We report on the first low-energy Coulomb excitation measurements with radioactive Ipi=6- beams of odd-odd nuclei 68,70Cu. The beams were produced at ISOLDE, CERN and were post-accelerated by REX-ISOLDE to 2.83 MeV/nucleon. Gamma rays were detected with the MINIBALL spectrometer. The 6- beam was used to study the multiplet of states (3-, 4-, 5-, 6-) arising from the pi2p3/2 nu 1g9/2 configuration. The 4- state of the multiplet was populated via Coulomb excitation and the B(E2;6--->4-) value was determined in both nuclei. The results obtained illustrate the fragile stability of the Z=28 shell and N=40 subshell closures. A comparison with large-scale shell-model calculations using the 56Ni core shows the importance of the proton excitations across the Z=28 shell gap to the understanding of the nuclear structure in the neutron-rich nuclei with N approximately 40.
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Affiliation(s)
- I Stefanescu
- Instituut voor Kern- en Stralingsfysica, K. U. Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
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