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Andreev V, Arratia M, Baghdasaryan A, Baty A, Begzsuren K, Belousov A, Bolz A, Boudry V, Brandt G, Britzger D, Buniatyan A, Bystritskaya L, Campbell AJ, Cantun Avila KB, Cerny K, Chekelian V, Chen Z, Contreras JG, Cunqueiro Mendez L, Cvach J, Dainton JB, Daum K, Deshpande A, Diaconu C, Eckerlin G, Egli S, Elsen E, Favart L, Fedotov A, Feltesse J, Fleischer M, Fomenko A, Gal C, Gayler J, Goerlich L, Gogitidze N, Gouzevitch M, Grab C, Greenshaw T, Grindhammer G, Haidt D, Henderson RCW, Hessler J, Hladký J, Hoffmann D, Horisberger R, Hreus T, Huber F, Jacobs PM, Jacquet M, Janssen T, Jung AW, Jung H, Kapichine M, Katzy J, Kiesling C, Klein M, Kleinwort C, Klest HT, Kogler R, Kostka P, Kretzschmar J, Krücker D, Krüger K, Landon MPJ, Lange W, Laycock P, Lee SH, Levonian S, Li W, Lin J, Lipka K, List B, List J, Lobodzinski B, Malinovski E, Martyn HU, Maxfield SJ, Mehta A, Meyer AB, Meyer J, Mikocki S, Mondal MM, Morozov A, Müller K, Nachman B, Naumann T, Newman PR, Niebuhr C, Nowak G, Olsson JE, Ozerov D, Park S, Pascaud C, Patel GD, Perez E, Petrukhin A, Picuric I, Pitzl D, Polifka R, Preins S, Radescu V, Raicevic N, Ravdandorj T, Reimer P, Rizvi E, Robmann P, Roosen R, Rostovtsev A, Rotaru M, Sankey DPC, Sauter M, Sauvan E, Schmitt S, Schmookler BA, Schoeffel L, Schöning A, Sefkow F, Shushkevich S, Soloviev Y, Sopicki P, South D, Spaskov V, Specka A, Steder M, Stella B, Straumann U, Sun C, Sykora T, Thompson PD, Traynor D, Tseepeldorj B, Tu Z, Valkárová A, Vallée C, Van Mechelen P, Wegener D, Wünsch E, Žáček J, Zhang J, Zhang Z, Žlebčík R, Zohrabyan H, Zomer F. Measurement of Lepton-Jet Correlation in Deep-Inelastic Scattering with the H1 Detector Using Machine Learning for Unfolding. Phys Rev Lett 2022; 128:132002. [PMID: 35426724 DOI: 10.1103/physrevlett.128.132002] [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: 08/30/2021] [Revised: 12/20/2021] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
The first measurement of lepton-jet momentum imbalance and azimuthal correlation in lepton-proton scattering at high momentum transfer is presented. These data, taken with the H1 detector at HERA, are corrected for detector effects using an unbinned machine learning algorithm (multifold), which considers eight observables simultaneously in this first application. The unfolded cross sections are compared with calculations performed within the context of collinear or transverse-momentum-dependent factorization in quantum chromodynamics as well as Monte Carlo event generators.
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Affiliation(s)
- V Andreev
- Lebedev Physical Institute, Moscow, Russia
| | - M Arratia
- University of California, Riverside, California 92521, USA
| | | | - A Baty
- Rice University, Houston, Texas 77005-1827, USA
| | - K Begzsuren
- Institute of Physics and Technology of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
| | - A Belousov
- Lebedev Physical Institute, Moscow, Russia
| | - A Bolz
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - V Boudry
- LLR, Ecole Polytechnique, CNRS/IN2P3, Palaiseau, France
| | - G Brandt
- II. Physikalisches Institut, Universität Göttingen, Göttingen, Germany
| | - D Britzger
- Max-Planck-Institut für Physik, München, Germany
| | - A Buniatyan
- School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
| | - L Bystritskaya
- Institute for Theoretical and Experimental Physics, Moscow, Russia
| | - A J Campbell
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - K B Cantun Avila
- Departamento de Fisica Aplicada, CINVESTAV, Mérida, Yucatán, México
| | - K Cerny
- Joint Laboratory of Optics, Palacký University, Olomouc, Czech Republic
| | - V Chekelian
- Max-Planck-Institut für Physik, München, Germany
| | - Z Chen
- Shandong University, Shandong, People's Republic of China
| | - J G Contreras
- Departamento de Fisica Aplicada, CINVESTAV, Mérida, Yucatán, México
| | | | - J Cvach
- Institute of Physics, Academy of Sciences of the Czech Republic, Praha, Czech Republic
| | - J B Dainton
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - K Daum
- Fachbereich C, Universität Wuppertal, Wuppertal, Germany
| | - A Deshpande
- Stony Brook University, Stony Brook, New York 11794, USA
| | - C Diaconu
- Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France
| | - G Eckerlin
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - S Egli
- Paul Scherrer Institut, Villigen, Switzerland
| | - E Elsen
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - L Favart
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - A Fedotov
- Institute for Theoretical and Experimental Physics, Moscow, Russia
| | - J Feltesse
- Irfu/SPP, CE Saclay, Gif-sur-Yvette, France
| | - M Fleischer
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - A Fomenko
- Lebedev Physical Institute, Moscow, Russia
| | - C Gal
- Stony Brook University, Stony Brook, New York 11794, USA
| | - J Gayler
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - L Goerlich
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
| | | | - M Gouzevitch
- Université Claude Bernard Lyon 1, CNRS/IN2P3, Villeurbanne, France
| | - C Grab
- Institut für Teilchenphysik, ETH, Zürich, Switzerland
| | - T Greenshaw
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | | | - D Haidt
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - R C W Henderson
- Department of Physics, University of Lancaster, Lancaster, United Kingdom
| | - J Hessler
- Max-Planck-Institut für Physik, München, Germany
| | - J Hladký
- Institute of Physics, Academy of Sciences of the Czech Republic, Praha, Czech Republic
| | - D Hoffmann
- Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France
| | | | - T Hreus
- Physik-Institut der Universität Zürich, Zürich, Switzerland
| | - F Huber
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | - P M Jacobs
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - M Jacquet
- IJCLab, Université Paris-Saclay, CNRS/IN2P3, Orsay, France
| | - T Janssen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - A W Jung
- Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA
| | - H Jung
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - M Kapichine
- Joint Institute for Nuclear Research, Dubna, Russia
| | - J Katzy
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - C Kiesling
- Max-Planck-Institut für Physik, München, Germany
| | - M Klein
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - C Kleinwort
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - H T Klest
- Stony Brook University, Stony Brook, New York 11794, USA
| | - R Kogler
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - P Kostka
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - J Kretzschmar
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - D Krücker
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - K Krüger
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - M P J Landon
- School of Physics and Astronomy, Queen Mary, University of London, London, United Kingdom
| | - W Lange
- Deutsches Elektronen-Synchrotron DESY, Zeuthen, Germany
| | - P Laycock
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S H Lee
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - S Levonian
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - W Li
- Rice University, Houston, Texas 77005-1827, USA
| | - J Lin
- Rice University, Houston, Texas 77005-1827, USA
| | - K Lipka
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - B List
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - J List
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | | | | | - H-U Martyn
- I. Physikalisches Institut der RWTH, Aachen, Germany
| | - S J Maxfield
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - A Mehta
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - A B Meyer
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - J Meyer
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - S Mikocki
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
| | - M M Mondal
- Stony Brook University, Stony Brook, New York 11794, USA
| | - A Morozov
- Joint Institute for Nuclear Research, Dubna, Russia
| | - K Müller
- Physik-Institut der Universität Zürich, Zürich, Switzerland
| | - B Nachman
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Th Naumann
- Deutsches Elektronen-Synchrotron DESY, Zeuthen, Germany
| | - P R Newman
- School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
| | - C Niebuhr
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - G Nowak
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
| | - J E Olsson
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - D Ozerov
- Paul Scherrer Institut, Villigen, Switzerland
| | - S Park
- Stony Brook University, Stony Brook, New York 11794, USA
| | - C Pascaud
- IJCLab, Université Paris-Saclay, CNRS/IN2P3, Orsay, France
| | - G D Patel
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | | | - A Petrukhin
- Université Claude Bernard Lyon 1, CNRS/IN2P3, Villeurbanne, France
| | - I Picuric
- Faculty of Science, University of Montenegro, Podgorica, Montenegro
| | - D Pitzl
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - R Polifka
- Faculty of Mathematics and Physics, Charles University, Praha, Czech Republic
| | - S Preins
- University of California, Riverside, California 92521, USA
| | - V Radescu
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - N Raicevic
- Faculty of Science, University of Montenegro, Podgorica, Montenegro
| | - T Ravdandorj
- Institute of Physics and Technology of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
| | - P Reimer
- Institute of Physics, Academy of Sciences of the Czech Republic, Praha, Czech Republic
| | - E Rizvi
- School of Physics and Astronomy, Queen Mary, University of London, London, United Kingdom
| | - P Robmann
- Physik-Institut der Universität Zürich, Zürich, Switzerland
| | - R Roosen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - A Rostovtsev
- Institute for Information Transmission Problems RAS, Moscow, Russia
| | - M Rotaru
- Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH), Bucharest, Romania
| | - D P C Sankey
- STFC, Rutherford Appleton Laboratory, Didcot, Oxfordshire, United Kingdom
| | - M Sauter
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | - E Sauvan
- LAPP, Université de Savoie, CNRS/IN2P3, Annecy-le-Vieux, France
- Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France
| | - S Schmitt
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - B A Schmookler
- Stony Brook University, Stony Brook, New York 11794, USA
| | | | - A Schöning
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | - F Sefkow
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - S Shushkevich
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
| | - Y Soloviev
- Lebedev Physical Institute, Moscow, Russia
| | - P Sopicki
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
| | - D South
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - V Spaskov
- Joint Institute for Nuclear Research, Dubna, Russia
| | - A Specka
- LLR, Ecole Polytechnique, CNRS/IN2P3, Palaiseau, France
| | - M Steder
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - B Stella
- Dipartimento di Fisica Università di Roma Tre and INFN Roma 3, Roma, Italy
| | - U Straumann
- Physik-Institut der Universität Zürich, Zürich, Switzerland
| | - C Sun
- Shandong University, Shandong, People's Republic of China
| | - T Sykora
- Faculty of Mathematics and Physics, Charles University, Praha, Czech Republic
| | - P D Thompson
- School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
| | - D Traynor
- School of Physics and Astronomy, Queen Mary, University of London, London, United Kingdom
| | - B Tseepeldorj
- Institute of Physics and Technology of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
- Ulaanbaatar University, Ulaanbaatar, Mongolia
| | - Z Tu
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A Valkárová
- Faculty of Mathematics and Physics, Charles University, Praha, Czech Republic
| | - C Vallée
- Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France
| | - P Van Mechelen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - D Wegener
- Institut für Physik, TU Dortmund, Dortmund, Germany
| | - E Wünsch
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - J Žáček
- Faculty of Mathematics and Physics, Charles University, Praha, Czech Republic
| | - J Zhang
- Shandong University, Shandong, People's Republic of China
| | - Z Zhang
- IJCLab, Université Paris-Saclay, CNRS/IN2P3, Orsay, France
| | - R Žlebčík
- Faculty of Mathematics and Physics, Charles University, Praha, Czech Republic
| | | | - F Zomer
- IJCLab, Université Paris-Saclay, CNRS/IN2P3, Orsay, France
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Andreev V, Baghdasaryan A, Begzsuren K, Belousov A, Bertone V, Bolz A, Boudry V, Brandt G, Brisson V, Britzger D, Buniatyan A, Bylinkin A, Bystritskaya L, Campbell AJ, Cantun Avila KB, Cerny K, Chekelian V, Contreras JG, Cvach J, Currie J, Dainton JB, Daum K, Diaconu C, Dobre M, Dodonov V, Eckerlin G, Egli S, Elsen E, Favart L, Fedotov A, Feltesse J, Fleischer M, Fomenko A, Gabathuler E, Gayler J, Gehrmann T, Ghazaryan S, Goerlich L, Gogitidze N, Gouzevitch M, Grab C, Grebenyuk A, Greenshaw T, Grindhammer G, Gwenlan C, Haidt D, Henderson RCW, Hladkỳ J, Hoffmann D, Horisberger R, Hreus T, Huber F, Huss A, Jacquet M, Janssen X, Jung AW, Jung H, Kapichine M, Katzy J, Kiesling C, Klein M, Kleinwort C, Kogler R, Kostka P, Kretzschmar J, Krücker D, Krüger K, Landon MPJ, Lange W, Laycock P, Lebedev A, Levonian S, Lipka K, List B, List J, Lobodzinski B, Malinovski E, Martyn HU, Maxfield SJ, Mehta A, Meyer AB, Meyer H, Meyer J, Mikocki S, Morozov A, Müller K, Naumann T, Newman PR, Niebuhr C, Niehues J, Nowak G, Olsson JE, Ozerov D, Pascaud C, Patel GD, Perez E, Petrukhin A, Picuric I, Pirumov H, Pitzl D, Plačakytė R, Polifka R, Rabbertz K, Radescu V, Raicevic N, Ravdandorj T, Reimer P, Rizvi E, Robmann P, Roosen R, Rostovtsev A, Rotaru M, Šálek D, Sankey DPC, Sauter M, Sauvan E, Schmitt S, Schoeffel L, Schöning A, Sefkow F, Shushkevich S, Soloviev Y, Sopicki P, South D, Spaskov V, Specka A, Steder M, Stella B, Straumann U, Sutton MR, Sykora T, Thompson PD, Traynor D, Truöl P, Tsakov I, Tseepeldorj B, Valkárová A, Vallée C, Van Mechelen P, Vazdik Y, Wegener D, Wünsch E, Žáček J, Zhang Z, Žlebčík R, Zohrabyan H, Zomer F. Determination of the strong coupling constant α s ( m Z ) in next-to-next-to-leading order QCD using H1 jet cross section measurements: H1 Collaboration. Eur Phys J C Part Fields 2017; 77:791. [PMID: 31997933 PMCID: PMC6956906 DOI: 10.1140/epjc/s10052-017-5314-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 10/12/2017] [Indexed: 06/08/2023]
Abstract
The strong coupling constant α s is determined from inclusive jet and dijet cross sections in neutral-current deep-inelastic ep scattering (DIS) measured at HERA by the H1 collaboration using next-to-next-to-leading order (NNLO) QCD predictions. The dependence of the NNLO predictions and of the resulting value ofα s ( m Z ) at the Z-boson mass m Z are studied as a function of the choice of the renormalisation and factorisation scales. Using inclusive jet and dijet data together, the strong coupling constant is determined to beα s ( m Z ) = 0.1157 ( 20 ) exp ( 29 ) th . Complementary,α s ( m Z ) is determined together with parton distribution functions of the proton (PDFs) from jet and inclusive DIS data measured by the H1 experiment. The valueα s ( m Z ) = 0.1142 ( 28 ) tot obtained is consistent with the determination from jet data alone. The impact of the jet data on the PDFs is studied. The running of the strong coupling is tested at different values of the renormalisation scale and the results are found to be in agreement with expectations.
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Affiliation(s)
- V. Andreev
- Lebedev Physical Institute, Moscow, Russia
| | | | - K. Begzsuren
- Institute of Physics and Technology of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
| | | | - V. Bertone
- Department of Physics and Astronomy, Vrije University, De Boelelaan 1081, Amsterdam, The Netherlands
- National Institute for Subatomic Physics (NIKHEF), Science Park 105, Amsterdam, The Netherlands
| | - A. Bolz
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | - V. Boudry
- LLR, Ecole Polytechnique, CNRS/IN2P3, Palaiseau, France
| | - G. Brandt
- II. Physikalisches Institut, Universität Göttingen, Göttingen, Germany
| | - V. Brisson
- LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
| | - D. Britzger
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | - A. Buniatyan
- School of Physics and Astronomy, University of Birmingham, Birmingham, UK
| | - A. Bylinkin
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region Russian Federation
| | - L. Bystritskaya
- Institute for Theoretical and Experimental Physics, Moscow, Russia
| | | | | | - K. Cerny
- Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
| | | | - J. G. Contreras
- Departamento de Fisica Aplicada, CINVESTAV, Mérida, Yucatán Mexico
| | - J. Cvach
- Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - J. Currie
- Institute for Particle Physics Phenomenology, Ogden Centre for Fundamental Physics, Durham University, South Road, Durham, UK
| | - J. B. Dainton
- Department of Physics, University of Liverpool, Liverpool, UK
| | - K. Daum
- Fachbereich C, Universität Wuppertal, Wuppertal, Germany
| | - C. Diaconu
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, France
| | - M. Dobre
- Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH), Bucharest, Romania
| | | | | | - S. Egli
- Paul Scherrer Institute, Villigen, Switzerland
| | | | - L. Favart
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - A. Fedotov
- Institute for Theoretical and Experimental Physics, Moscow, Russia
| | | | | | - A. Fomenko
- Lebedev Physical Institute, Moscow, Russia
| | - E. Gabathuler
- Department of Physics, University of Liverpool, Liverpool, UK
| | | | - T. Gehrmann
- Physik-Institut der Universität Zürich, Zurich, Switzerland
| | | | - L. Goerlich
- Institute of Nuclear Physics, Polish Academy of Sciences, 31342 Kraków, Poland
| | | | - M. Gouzevitch
- IPNL, Université Claude Bernard Lyon 1, CNRS/IN2P3, Villeurbanne, France
| | - C. Grab
- Institut für Teilchenphysik, ETH Zürich, Zurich, Switzerland
| | - A. Grebenyuk
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - T. Greenshaw
- Department of Physics, University of Liverpool, Liverpool, UK
| | | | - C. Gwenlan
- Department of Physics, Oxford University, Oxford, UK
| | | | | | - J. Hladkỳ
- Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - D. Hoffmann
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, France
| | | | - T. Hreus
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - F. Huber
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | - A. Huss
- Institut für Teilchenphysik, ETH Zürich, Zurich, Switzerland
| | - M. Jacquet
- LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
| | - X. Janssen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - A. W. Jung
- Department of Physics and Astronomy, Purdue University, 525 Northwestern Ave, West Lafayette, IN 47907 USA
| | | | - M. Kapichine
- Joint Institute for Nuclear Research, Dubna, Russia
| | | | - C. Kiesling
- Max-Planck-Institut für Physik, Munich, Germany
| | - M. Klein
- Department of Physics, University of Liverpool, Liverpool, UK
| | | | - R. Kogler
- Institut für Experimentalphysik, Universität Hamburg, Hamburg, Germany
| | - P. Kostka
- Department of Physics, University of Liverpool, Liverpool, UK
| | - J. Kretzschmar
- Department of Physics, University of Liverpool, Liverpool, UK
| | | | | | - M. P. J. Landon
- School of Physics and Astronomy, Queen Mary University of London, London, UK
| | | | - P. Laycock
- Department of Physics, University of Liverpool, Liverpool, UK
| | - A. Lebedev
- Lebedev Physical Institute, Moscow, Russia
| | | | | | | | | | | | | | - H.-U. Martyn
- I. Physikalisches Institut der RWTH, Aachen, Germany
| | - S. J. Maxfield
- Department of Physics, University of Liverpool, Liverpool, UK
| | - A. Mehta
- Department of Physics, University of Liverpool, Liverpool, UK
| | | | - H. Meyer
- Fachbereich C, Universität Wuppertal, Wuppertal, Germany
| | | | - S. Mikocki
- Institute of Nuclear Physics, Polish Academy of Sciences, 31342 Kraków, Poland
| | - A. Morozov
- Joint Institute for Nuclear Research, Dubna, Russia
| | - K. Müller
- Physik-Institut der Universität Zürich, Zurich, Switzerland
| | | | - P. R. Newman
- School of Physics and Astronomy, University of Birmingham, Birmingham, UK
| | | | - J. Niehues
- Physik-Institut der Universität Zürich, Zurich, Switzerland
| | - G. Nowak
- Institute of Nuclear Physics, Polish Academy of Sciences, 31342 Kraków, Poland
| | | | - D. Ozerov
- Paul Scherrer Institute, Villigen, Switzerland
| | - C. Pascaud
- LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
| | - G. D. Patel
- Department of Physics, University of Liverpool, Liverpool, UK
| | | | - A. Petrukhin
- IPNL, Université Claude Bernard Lyon 1, CNRS/IN2P3, Villeurbanne, France
| | - I. Picuric
- Faculty of Science, University of Montenegro, Podgorica, Montenegro
| | | | | | | | - R. Polifka
- Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
- Department of Physics, University of Toronto, Toronto, ON M5S 1A7 Canada
| | - K. Rabbertz
- Karlsruher Institut für Technologie (KIT), Institut für Experimentelle Teilchenphysik (ETP), Wolfgang-Gaede-Str. 1, Karlsruhe, Germany
| | - V. Radescu
- Department of Physics, Oxford University, Oxford, UK
| | - N. Raicevic
- Faculty of Science, University of Montenegro, Podgorica, Montenegro
| | - T. Ravdandorj
- Institute of Physics and Technology of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
| | - P. Reimer
- Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - E. Rizvi
- School of Physics and Astronomy, Queen Mary University of London, London, UK
| | - P. Robmann
- Physik-Institut der Universität Zürich, Zurich, Switzerland
| | - R. Roosen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - A. Rostovtsev
- Institute for Information Transmission Problems RAS, Moscow, Russia
| | - M. Rotaru
- Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH), Bucharest, Romania
| | - D. Šálek
- Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
| | - D. P. C. Sankey
- STFC, Rutherford Appleton Laboratory, Didcot, Oxfordshire UK
| | - M. Sauter
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | - E. Sauvan
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, France
- LAPP, Université de Savoie, CNRS/IN2P3, Annecy-le-Vieux, France
| | | | | | - A. Schöning
- Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany
| | | | - S. Shushkevich
- Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia
| | | | - P. Sopicki
- Institute of Nuclear Physics, Polish Academy of Sciences, 31342 Kraków, Poland
| | | | - V. Spaskov
- Joint Institute for Nuclear Research, Dubna, Russia
| | - A. Specka
- LLR, Ecole Polytechnique, CNRS/IN2P3, Palaiseau, France
| | | | - B. Stella
- Dipartimento di Fisica, Università di Roma Tre and INFN Roma 3, Rome, Italy
| | - U. Straumann
- Physik-Institut der Universität Zürich, Zurich, Switzerland
| | - M. R. Sutton
- Department of Physics and Astronomy, University of Sussex, Pevensey II, Brighton, UK
| | - T. Sykora
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
- Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
| | - P. D. Thompson
- School of Physics and Astronomy, University of Birmingham, Birmingham, UK
| | - D. Traynor
- School of Physics and Astronomy, Queen Mary University of London, London, UK
| | - P. Truöl
- Physik-Institut der Universität Zürich, Zurich, Switzerland
| | - I. Tsakov
- Institute for Nuclear Research and Nuclear Energy, Sofia, Bulgaria
| | - B. Tseepeldorj
- Institute of Physics and Technology of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
- Ulaanbaatar University, Ulaanbaatar, Mongolia
| | - A. Valkárová
- Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
| | - C. Vallée
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, France
| | - P. Van Mechelen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen, Antwerp, Belgium
| | - Y. Vazdik
- Lebedev Physical Institute, Moscow, Russia
| | - D. Wegener
- Institut für Physik, TU Dortmund, Dortmund, Germany
| | | | - J. Žáček
- Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
| | - Z. Zhang
- LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
| | | | | | - F. Zomer
- LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
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