1
|
Abele H, Angloher G, Bento A, Canonica L, Cappella F, Cardani L, Casali N, Cerulli R, Chalil A, Chebboubi A, Colantoni I, Crocombette JP, Cruciani A, Del Castello G, Del Gallo Roccagiovine M, Desforge D, Doblhammer A, Dumonteil E, Dorer S, Erhart A, Fuss A, Friedl M, Garai A, Ghete VM, Giuliani A, Goupy C, Gunsing F, Hauff D, Jeanneau F, Jericha E, Kaznacheeva M, Kinast A, Kluck H, Langenkämper A, Lasserre T, Letourneau A, Lhuillier D, Litaize O, Mancuso M, de Marcillac P, Marnieros S, Materna T, Mauri B, Mazzolari A, Mazzucato E, Neyrial H, Nones C, Oberauer L, Ortmann T, Ouzriat A, Pattavina L, Peters L, Petricca F, Poda DV, Potzel W, Pröbst F, Reindl F, Rogly R, Romagnoni M, Rothe J, Schermer N, Schieck J, Schönert S, Schwertner C, Scola L, Serot O, Soum-Sidikov G, Stodolsky L, Strauss R, Tamisari M, Thulliez L, Tomei C, Vignati M, Vivier M, Wagner V, Wex A. Observation of a Nuclear Recoil Peak at the 100 eV Scale Induced by Neutron Capture. Phys Rev Lett 2023; 130:211802. [PMID: 37295094 DOI: 10.1103/physrevlett.130.211802] [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: 11/09/2022] [Revised: 02/12/2023] [Accepted: 04/13/2023] [Indexed: 06/12/2023]
Abstract
Coherent elastic neutrino-nucleus scattering and low-mass dark matter detectors rely crucially on the understanding of their response to nuclear recoils. We report the first observation of a nuclear recoil peak at around 112 eV induced by neutron capture. The measurement was performed with a CaWO_{4} cryogenic detector from the NUCLEUS experiment exposed to a ^{252}Cf source placed in a compact moderator. We identify the expected peak structure from the single-γ de-excitation of ^{183}W with 3σ and its origin by neutron capture with 6σ significance. This result demonstrates a new method for precise, in situ, and nonintrusive calibration of low-threshold experiments.
Collapse
Affiliation(s)
- H Abele
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - G Angloher
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A Bento
- Max-Planck-Institut für Physik, D-80805 München, Germany
- LIBPhys-UC, Departamento de Fisica, Universidade de Coimbra, P3004 516 Coimbra, Portugal
| | - L Canonica
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F Cappella
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
| | - L Cardani
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
| | - N Casali
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
| | - R Cerulli
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma "Tor Vergata", Roma I-00133, Italy
- Dipartimento di Fisica, Università di Roma "Tor Vergata", Roma I-00133, Italy
| | - A Chalil
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - A Chebboubi
- CEA, DES, IRESNE, DER, Cadarache F-13108 Saint-Paul-Lez-Durance, France
| | - I Colantoni
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
- Consiglio Nazionale delle Ricerche, Istituto di Nanotecnologia, Roma I-00185, Italy
| | - J-P Crocombette
- CEA, DES, SRMP, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - A Cruciani
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
| | - G Del Castello
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
- Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy
| | - M Del Gallo Roccagiovine
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
- Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy
| | - D Desforge
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - A Doblhammer
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - E Dumonteil
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - S Dorer
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - A Erhart
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - A Fuss
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - M Friedl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - A Garai
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - V M Ghete
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - A Giuliani
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France
| | - C Goupy
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - F Gunsing
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - D Hauff
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F Jeanneau
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - E Jericha
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - M Kaznacheeva
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - A Kinast
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - H Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - A Langenkämper
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - T Lasserre
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - A Letourneau
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - D Lhuillier
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - O Litaize
- CEA, DES, IRESNE, DER, Cadarache F-13108 Saint-Paul-Lez-Durance, France
| | - M Mancuso
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - P de Marcillac
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France
| | - S Marnieros
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France
| | - T Materna
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - B Mauri
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - A Mazzolari
- Istituto Nazionale di Fisica Nucleare-Sezione di Ferrara, I-44122 Ferrara, Italy
| | - E Mazzucato
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - H Neyrial
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - C Nones
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - L Oberauer
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - T Ortmann
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - A Ouzriat
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - L Pattavina
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
- Istituto Nazionale di Fisica Nucleare-Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
| | - L Peters
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - F Petricca
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - D V Poda
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France
| | - W Potzel
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - F Pröbst
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F Reindl
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - R Rogly
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - M Romagnoni
- Istituto Nazionale di Fisica Nucleare-Sezione di Ferrara, I-44122 Ferrara, Italy
| | - J Rothe
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - N Schermer
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - J Schieck
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - S Schönert
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - C Schwertner
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - L Scola
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - O Serot
- CEA, DES, IRESNE, DER, Cadarache F-13108 Saint-Paul-Lez-Durance, France
| | - G Soum-Sidikov
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - L Stodolsky
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - R Strauss
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - M Tamisari
- Istituto Nazionale di Fisica Nucleare-Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica, Università di Ferrara, I-44122 Ferrara, Italy
| | - L Thulliez
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - C Tomei
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
| | - M Vignati
- Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Roma I-00185, Italy
- Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy
| | - M Vivier
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - V Wagner
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| | - A Wex
- Physik-Department, Technische Universität München, D-85748 Garching, Germany
| |
Collapse
|
2
|
Angloher G, Banik S, Benato G, Bento A, Bertolini A, Breier R, Bucci C, Burkhart J, Canonica L, D'Addabbo A, Di Lorenzo S, Einfalt L, Erb A, Feilitzsch FV, Ferreiro Iachellini N, Fichtinger S, Fuchs D, Fuss A, Garai A, Ghete VM, Gorla P, Gupta S, Hauff D, Ješkovský M, Jochum J, Kaznacheeva M, Kinast A, Kluck H, Kraus H, Langenkämper A, Mancuso M, Marini L, Mokina V, Nilima A, Olmi M, Ortmann T, Pagliarone C, Pattavina L, Petricca F, Potzel W, Povinec P, Pröbst F, Pucci F, Reindl F, Rothe J, Schäffner K, Schieck J, Schmiedmayer D, Schönert S, Schwertner C, Stahlberg M, Stodolsky L, Strandhagen C, Strauss R, Usherov I, Wagner F, Willers M, Zema V, Ferella F, Laubenstein M, Nisi S. Secular equilibrium assessment in a CaWO 4 target crystal from the dark matter experiment CRESST using Bayesian likelihood normalisation. Appl Radiat Isot 2023; 194:110670. [PMID: 36696751 DOI: 10.1016/j.apradiso.2023.110670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 11/06/2022] [Accepted: 01/13/2023] [Indexed: 01/22/2023]
Abstract
CRESST is a leading direct detection sub-GeVc-2 dark matter experiment. During its second phase, cryogenic bolometers were used to detect nuclear recoils off the CaWO4 target crystal nuclei. The previously established electromagnetic background model relies on Secular Equilibrium (SE) assumptions. In this work, a validation of SE is attempted by comparing two likelihood-based normalisation results using a recently developed spectral template normalisation method based on Bayesian likelihood. Albeit we find deviations from SE in some cases we conclude that these deviations are artefacts of the fit and that the assumptions of SE is physically meaningful.
Collapse
Affiliation(s)
- G Angloher
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - S Banik
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - G Benato
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - A Bento
- Max-Planck-Institut für Physik, D-80805, München, Germany; LIBPhys-UC, Departamento de Fisica, Universidade de Coimbra, P3004 516, Coimbra, Portugal
| | - A Bertolini
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - R Breier
- Comenius University, Faculty of Mathematics, Physics and Informatics, 84248, Bratislava, Slovakia
| | - C Bucci
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - J Burkhart
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria.
| | - L Canonica
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - A D'Addabbo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - S Di Lorenzo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - L Einfalt
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - A Erb
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany; Walther-Meißner-Institut für Tieftemperaturforschung, D-85748, Garching, Germany
| | - F V Feilitzsch
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - N Ferreiro Iachellini
- Max-Planck-Institut für Physik, D-80805, München, Germany; Excellence Cluster Origins, D-85748, Garching, Germany
| | - S Fichtinger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - D Fuchs
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - A Fuss
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - A Garai
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - V M Ghete
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - P Gorla
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - S Gupta
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - D Hauff
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - M Ješkovský
- Comenius University, Faculty of Mathematics, Physics and Informatics, 84248, Bratislava, Slovakia
| | - J Jochum
- Eberhard-Karls-Universität Tübingen, D-72076, Tübingen, Germany
| | - M Kaznacheeva
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - A Kinast
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - H Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - H Kraus
- Department of Physics, University of Oxford, OX1 3RH, Oxford, United Kingdom
| | - A Langenkämper
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - M Mancuso
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - L Marini
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; GSSI-Gran Sasso Science Institute, I-67100, L'Aquila, Italy
| | - V Mokina
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - A Nilima
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - M Olmi
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - T Ortmann
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - C Pagliarone
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; Dipartimento di Ingegneria Civile e Meccanica, Universitä degli Studi di Cassino e del Lazio Meridionale, I-03043, Cassino, Italy
| | - L Pattavina
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - F Petricca
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - W Potzel
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - P Povinec
- Comenius University, Faculty of Mathematics, Physics and Informatics, 84248, Bratislava, Slovakia
| | - F Pröbst
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - F Pucci
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - F Reindl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - J Rothe
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - K Schäffner
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - J Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - D Schmiedmayer
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - S Schönert
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - C Schwertner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - M Stahlberg
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - L Stodolsky
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - C Strandhagen
- Eberhard-Karls-Universität Tübingen, D-72076, Tübingen, Germany
| | - R Strauss
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - I Usherov
- Eberhard-Karls-Universität Tübingen, D-72076, Tübingen, Germany
| | - F Wagner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - M Willers
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - V Zema
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | | | - F Ferella
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; Department of Physical and Chemical Sciences, University of l'Aquila, via Vetoio (COPPITO 1-2), I-67100, L'Aquila, Italy
| | - M Laubenstein
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - S Nisi
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| |
Collapse
|
3
|
Angloher G, Banik S, Bartolot D, Benato G, Bento A, Bertolini A, Breier R, Bucci C, Burkhart J, Canonica L, D’Addabbo A, Di Lorenzo S, Einfalt L, Erb A, Feilitzsch FV, Iachellini NF, Fichtinger S, Fuchs D, Fuss A, Garai A, Ghete VM, Gerster S, Gorla P, Guillaumon PV, Gupta S, Hauff D, Ješkovský M, Jochum J, Kaznacheeva M, Kinast A, Kluck H, Kraus H, Lackner M, Langenkämper A, Mancuso M, Marini L, Meyer L, Mokina V, Nilima A, Olmi M, Ortmann T, Pagliarone C, Pattavina L, Petricca F, Potzel W, Povinec P, Pröbst F, Pucci F, Reindl F, Rizvanovic D, Rothe J, Schäffner K, Schieck J, Schmiedmayer D, Schönert S, Schwertner C, Stahlberg M, Stodolsky L, Strandhagen C, Strauss R, Usherov I, Wagner F, Willers M, Zema V, Waltenberger W. Towards an automated data cleaning with deep learning in CRESST. Eur Phys J Plus 2023; 138:100. [PMID: 36741916 PMCID: PMC9886615 DOI: 10.1140/epjp/s13360-023-03674-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/02/2023] [Indexed: 06/18/2023]
Abstract
The CRESST experiment employs cryogenic calorimeters for the sensitive measurement of nuclear recoils induced by dark matter particles. The recorded signals need to undergo a careful cleaning process to avoid wrongly reconstructed recoil energies caused by pile-up and read-out artefacts. We frame this process as a time series classification task and propose to automate it with neural networks. With a data set of over one million labeled records from 68 detectors, recorded between 2013 and 2019 by CRESST, we test the capability of four commonly used neural network architectures to learn the data cleaning task. Our best performing model achieves a balanced accuracy of 0.932 on our test set. We show on an exemplary detector that about half of the wrongly predicted events are in fact wrongly labeled events, and a large share of the remaining ones have a context-dependent ground truth. We furthermore evaluate the recall and selectivity of our classifiers with simulated data. The results confirm that the trained classifiers are well suited for the data cleaning task.
Collapse
Affiliation(s)
- G. Angloher
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - S. Banik
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - D. Bartolot
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - G. Benato
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - A. Bento
- Max-Planck-Institut für Physik, D-80805 München, Germany
- LIBPhys-UC, Departamento de Fisica, Universidade de Coimbra, P3004 516 Coimbra, Portugal
| | - A. Bertolini
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - R. Breier
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - C. Bucci
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - J. Burkhart
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - L. Canonica
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A. D’Addabbo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - S. Di Lorenzo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - L. Einfalt
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - A. Erb
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
- Walther-Meißner-Institut für Tieftemperaturforschung, D-85748 Garching, Germany
| | - F. v. Feilitzsch
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | | | - S. Fichtinger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - D. Fuchs
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A. Fuss
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - A. Garai
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - V. M. Ghete
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - S. Gerster
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - P. Gorla
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - P. V. Guillaumon
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - S. Gupta
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - D. Hauff
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - M. Ješkovský
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - J. Jochum
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - M. Kaznacheeva
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - A. Kinast
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - H. Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - H. Kraus
- Department of Physics, University of Oxford, Oxford, OX1 3RH UK
| | - M. Lackner
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A. Langenkämper
- Max-Planck-Institut für Physik, D-80805 München, Germany
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - M. Mancuso
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - L. Marini
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, I-67100 L’Aquila, Italy
| | - L. Meyer
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - V. Mokina
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - A. Nilima
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - M. Olmi
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - T. Ortmann
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - C. Pagliarone
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
- Dipartimento di Ingegneria Civile e Meccanica, Universitá degli Studi di Cassino e del Lazio Meridionale, I-03043 Cassino, Italy
| | - L. Pattavina
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - F. Petricca
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - W. Potzel
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - P. Povinec
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - F. Pröbst
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F. Pucci
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F. Reindl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - D. Rizvanovic
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - J. Rothe
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - K. Schäffner
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - J. Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - D. Schmiedmayer
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - S. Schönert
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - C. Schwertner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - M. Stahlberg
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - L. Stodolsky
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - C. Strandhagen
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - R. Strauss
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - I. Usherov
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - F. Wagner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - M. Willers
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - V. Zema
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - W. Waltenberger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | | |
Collapse
|
4
|
Angloher G, Dafinei I, Marco ND, Ferroni F, Fichtinger S, Filipponi A, Friedl M, Fuss A, Ge Z, Heikinheimo M, Huitu K, Maji R, Mancuso M, Pagnanini L, Petricca F, Pirro S, Pröbst F, Profeta G, Puiu A, Reindl F, Schäffner K, Schieck J, Schmiedmayer D, Schwertner C, Stahlberg M, Stendahl A, Wagner F, Yue S, Zema V, Zhu Y, Pandola L. Simulation-based design study for the passive shielding of the COSINUS dark matter experiment. Eur Phys J C Part Fields 2022; 82:248. [PMID: 35399983 PMCID: PMC8940824 DOI: 10.1140/epjc/s10052-022-10184-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 03/04/2022] [Indexed: 06/14/2023]
Abstract
The COSINUS (Cryogenic Observatory for SIgnatures seen in Next-generation Underground Searches) experiment aims at the detection of dark matter-induced recoils in sodium iodide (NaI) crystals operated as scintillating cryogenic calorimeters. The detection of both scintillation light and phonons allows performing an event-by-event signal to background discrimination, thus enhancing the sensitivity of the experiment. The choice of using NaI crystals is motivated by the goal of probing the long-standing DAMA/LIBRA results using the same target material. The construction of the experimental facility is foreseen to start by 2021 at the INFN Gran Sasso National Laboratory (LNGS) in Italy. It consists of a cryostat housing the target crystals shielded from the external radioactivity by a water tank acting, at the same time, as an active veto against cosmic ray-induced events. Taking into account both environmental radioactivity and intrinsic contamination of materials used for cryostat, shielding and infrastructure, we performed a careful background budget estimation. The goal is to evaluate the number of events that could mimic or interfere with signal detection while optimising the geometry of the experimental setup. In this paper we present the results of the detailed Monte Carlo simulations we performed, together with the final design of the setup that minimises the residual amount of background particles reaching the detector volume.
Collapse
Affiliation(s)
- G. Angloher
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | | | - N. Di Marco
- Gran Sasso Science Institute, 67100 L’Aquila, Italy
- INFN-Laboratori Nazionali del Gran Sasso, 67010 Assergi, Italy
| | - F. Ferroni
- INFN-Sezione di Roma, 00185 Rome, Italy
- Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - S. Fichtinger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
| | - A. Filipponi
- INFN-Laboratori Nazionali del Gran Sasso, 67010 Assergi, Italy
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell’Aquila, 67100 L’Aquila, Italy
| | - M. Friedl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
| | - A. Fuss
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
| | - Z. Ge
- SICCAS-Shanghai Institute of Ceramics, Shanghai, 200050 People’s Republic of China
| | | | - K. Huitu
- Helsinki Institute of Physics, 00560 Helsinki, Finland
| | - R. Maji
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
| | - M. Mancuso
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - L. Pagnanini
- Gran Sasso Science Institute, 67100 L’Aquila, Italy
- INFN-Laboratori Nazionali del Gran Sasso, 67010 Assergi, Italy
| | - F. Petricca
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - S. Pirro
- INFN-Laboratori Nazionali del Gran Sasso, 67010 Assergi, Italy
| | - F. Pröbst
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - G. Profeta
- INFN-Laboratori Nazionali del Gran Sasso, 67010 Assergi, Italy
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell’Aquila, 67100 L’Aquila, Italy
| | - A. Puiu
- Gran Sasso Science Institute, 67100 L’Aquila, Italy
- INFN-Laboratori Nazionali del Gran Sasso, 67010 Assergi, Italy
| | - F. Reindl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
| | - K. Schäffner
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - J. Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
| | - D. Schmiedmayer
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
| | - C. Schwertner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
| | - M. Stahlberg
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - A. Stendahl
- Helsinki Institute of Physics, 00560 Helsinki, Finland
| | - F. Wagner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
| | - S. Yue
- SICCAS-Shanghai Institute of Ceramics, Shanghai, 200050 People’s Republic of China
| | - V. Zema
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - Y. Zhu
- SICCAS-Shanghai Institute of Ceramics, Shanghai, 200050 People’s Republic of China
| | | | - L. Pandola
- INFN-Laboratori Nazionali del Sud, 95125 Catania, Italy
| |
Collapse
|
5
|
Abdelhameed AH, Angloher G, Bauer P, Bento A, Bertoldo E, Breier R, Bucci C, Canonica L, D’Addabbo A, Lorenzo SD, Erb A, Feilitzsch FV, Iachellini NF, Fichtinger S, Fuss A, Gorla P, Hauff D, Jes̆kovský M, Jochum J, Kaizer J, Kinast A, Kluck H, Kraus H, Langenkämper A, Mancuso M, Mokina V, Mondragón E, Olmi M, Ortmann T, Pagliarone C, Palus̆ová V, Pattavina L, Petricca F, Potzel W, Povinec P, Pröbst F, Reindl F, Rothe J, Schäffner K, Schieck J, Schipperges V, Schmiedmayer D, Schönert S, Schwertner C, Stahlberg M, Stodolsky L, Strandhagen C, Strauss R, Türkoğlu C, Usherov I, Willers M, Zema V, Zeman J. Geant4-based electromagnetic background model for the CRESST dark matter experiment. Eur Phys J C Part Fields 2019; 79:881. [PMID: 31708682 PMCID: PMC6820299 DOI: 10.1140/epjc/s10052-019-7385-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 10/08/2019] [Indexed: 06/10/2023]
Abstract
The CRESST (Cryogenic Rare Event Search with Superconducting Thermometers) dark matter search experiment aims for the detection of dark matter particles via elastic scattering off nuclei in CaWO 4 crystals. To understand the CRESST electromagnetic background due to the bulk contamination in the employed materials, a model based on Monte Carlo simulations was developed using the Geant4 simulation toolkit. The results of the simulation are applied to the TUM40 detector module of CRESST-II phase 2. We are able to explain up to ( 68 ± 16 ) % of the electromagnetic background in the energy range between 1 and 40 keV .
Collapse
Affiliation(s)
| | - G. Angloher
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - P. Bauer
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - A. Bento
- Max-Planck-Institut für Physik, 80805 Munich, Germany
- Departamento de Fisica, Universidade de Coimbra, 3004 516 Coimbra, Portugal
| | - E. Bertoldo
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - R. Breier
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - C. Bucci
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
| | - L. Canonica
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - A. D’Addabbo
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - S. Di Lorenzo
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - A. Erb
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
- Walther-Meißner-Institut für Tieftemperaturforschung, 85748 Garching, Germany
| | - F. v. Feilitzsch
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | | | - S. Fichtinger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
| | - A. Fuss
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - P. Gorla
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
| | - D. Hauff
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - M. Jes̆kovský
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - J. Jochum
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - J. Kaizer
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - A. Kinast
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - H. Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - H. Kraus
- Department of Physics, University of Oxford, Oxford, OX1 3RH UK
| | - A. Langenkämper
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - M. Mancuso
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - V. Mokina
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
| | - E. Mondragón
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - M. Olmi
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - T. Ortmann
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - C. Pagliarone
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- Dipartimento di Ingegneria Civile e Meccanica, Universitá degli Studi di Cassino e del Lazio Meridionale, 03043 Cassino, Italy
| | - V. Palus̆ová
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - L. Pattavina
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - F. Petricca
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - W. Potzel
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - P. Povinec
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - F. Pröbst
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - F. Reindl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - J. Rothe
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - K. Schäffner
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - J. Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - V. Schipperges
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - D. Schmiedmayer
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - S. Schönert
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - C. Schwertner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - M. Stahlberg
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - L. Stodolsky
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - C. Strandhagen
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - R. Strauss
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - C. Türkoğlu
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
- Present Address: School of Mathematical and Physical Sciences, University of Sussex, Brighton, BN1 9QH UK
| | - I. Usherov
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - M. Willers
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - V. Zema
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
- Department of Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
| | - J. Zeman
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| |
Collapse
|
6
|
|
7
|
Djudjaj S, Lue H, Urzinicok T, Engel D, Martin IV, Buhl EM, Floege J, Ostendorf T, Bernhagen J, Boor P, Cantaluppi V, Medica D, Mannari C, Figliolini F, Migliori M, Panichi V, Tetta C, Camussi G, Schulte K, Berger K, Sicking EM, Boor P, Jirak P, Thevissen L, Fuss A, Kriz W, Floege J, Smeets B, Moeller MJ, Santhosh Kumar VR, Kulkarni OP, Darisipudi NM, Mulay SR, Anders HJ, Assady S, Alter J, Litvak M, Ilan N, Vlodavsky I, Abassi Z. Glomerular injury. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft168] [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: 11/13/2022] Open
|
8
|
Barnas J, Fuss A, Camley RE, Grünberg P, Zinn W. Novel magnetoresistance effect in layered magnetic structures: Theory and experiment. Phys Rev B Condens Matter 1990; 42:8110-8120. [PMID: 9994981 DOI: 10.1103/physrevb.42.8110] [Citation(s) in RCA: 183] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
9
|
Ammon HP, Klumpp S, Fuss A, Verspohl EJ, Jaeschke H, Wendel A, Müller P. A possible role of plasma glutathione in glucose-mediated insulin secretion: in vitro and in vivo studies in rats. Diabetologia 1989; 32:797-800. [PMID: 2687063 DOI: 10.1007/bf00264910] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [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: 01/02/2023]
Abstract
In isolated rat pancreatic islets exogenous glutathione which is not able to penetrate into cells, augmented glucose (11.1 mmol/l)-mediated insulin release. In the presence of a non-stimulatory glucose concentration (2.8 mmol/l) glutathione had no effect. The half-maximal synergistic action of glutathione on insulin secretion was observed at approximately 8.0 mumol/l. This concentration of glutathione is similar to that found in the plasma of non-fasted anaesthetised rats (6.5 mumol/l). Oral ingestion of glucose increased the arterial plasma glutathione in rats. Our data provide for the first time indirect evidence for a modulating effect of plasma glutathione in postprandial glucose-mediated insulin secretion which appears to be located at the extracellular site of islet cells.
Collapse
Affiliation(s)
- H P Ammon
- Department of Pharmacology, University of Tübingen, FRG
| | | | | | | | | | | | | |
Collapse
|
10
|
Ammon HP, Fuss A, Verspohl EJ. Significance of gamma-glutamyl transpeptidase and thiols in amino acid uptake by rat pancreatic islets: studies with glutamine and leucine. Cell Biochem Funct 1988; 6:271-4. [PMID: 2903803 DOI: 10.1002/cbf.290060409] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The importance of gamma-glutamyl transpeptidase, the key enzyme of the gamma-glutamyl cycle and of thiols for the uptake of amino acids into rat pancreatic islets was investigated. Both serine-borate, an inhibitor of gamma-glutamy transpeptidase, and serine which does not inhibit this enzyme, but probably is a competitive inhibitor of amino acid uptake, inhibited the uptake of glutamine. The inhibitory effect of serine-borate was not greater than that of serine alone. The uptake of glutamine was not affected by either GSH (reduced glutathione) or diamide (a thiol oxidant). Neither substances affected the uptake of leucine. The results indicate that the uptake of glutamine by rat pancreatic islets is not dependent on the functioning of gamma-glutamyl transpeptidase and that thiols are not important for the uptake of the amino acids glutamine and leucine.
Collapse
Affiliation(s)
- H P Ammon
- Department of Pharmacology, University of Tuebingen, FRG
| | | | | |
Collapse
|
11
|
Fuss A. ["Broschim"-school for behaviorally disturbed children in Tel Aviv]. Prax Kinderpsychol Kinderpsychiatr 1973; 22:68-78. [PMID: 4699096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
|
12
|
Fuss A. [Work with non-adapted, socially disturbed children in Israel]. Prax Kinderpsychol Kinderpsychiatr 1971; 20:306-15. [PMID: 5138126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
|
13
|
Fuss A. [A neurotic, neglected child]. Prax Kinderpsychol Kinderpsychiatr 1969; 18:265-71. [PMID: 5380771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
|
14
|
Fuss A. [Possibilities of treatment of disturbed children in the school. II]. Prax Kinderpsychol Kinderpsychiatr 1969; 18:20-9. [PMID: 5800766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
|
15
|
Fuss A. [Possibilities of treatment of disturbed children in the school]. Prax Kinderpsychol Kinderpsychiatr 1968; 17:265-9. [PMID: 5716698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
|
16
|
|