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Measurement of D ± production in deep inelastic ep scattering with the ZEUS detector at HERA

  • The ZEUS collaboration
  • H. Abramowicz
  • I. Abt
  • L. Adamczyk
  • M. Adamus
  • R. Aggarwal
  • S. Antonelli
  • P. Antonioli
  • A. Antonov
  • M. Arneodo
  • O. Arslan
  • V. Aushev
  • Y. Aushev
  • O. Bachynska
  • A. Bamberger
  • A. N. Barakbaev
  • G. Barbagli
  • G. Bari
  • F. Barreiro
  • N. Bartosik
  • D. Bartsch
  • M. Basile
  • O. Behnke
  • J. Behr
  • U. Behrens
  • L. Bellagamba
  • A. Bertolin
  • S. Bhadra
  • M. Bindi
  • C. Blohm
  • V. Bokhonov
  • T. Bold
  • E. G. Boos
  • K. Borras
  • D. Boscherini
  • D. Bot
  • I. Brock
  • E. Brownson
  • R. Brugnera
  • N. Brümmer
  • A. Bruni
  • G. Bruni
  • B. Brzozowska
  • P. J. Bussey
  • B. Bylsma
  • A. Caldwell
  • M. Capua
  • R. Carlin
  • C. D. Catterall
  • S. Chekanov
  • J. Chwastowski
  • J. Ciborowski
  • R. Ciesielski
  • L. Cifarelli
  • F. Cindolo
  • A. Contin
  • A. M. Cooper-Sarkar
  • N. Coppola
  • M. Corradi
  • F. Corriveau
  • M. Costa
  • G. D’Agostini
  • F. Dal Corso
  • J. del Peso
  • R. K. Dementiev
  • S. De Pasquale
  • M. Derrick
  • R. C. E. Devenish
  • D. Dobur
  • B. A. Dolgoshein
  • G. Dolinska
  • A. T. Doyle
  • V. Drugakov
  • L. S. Durkin
  • S. Dusini
  • Y. Eisenberg
  • P. F. Ermolov
  • A. Eskreys
  • S. Fang
  • S. Fazio
  • J. Ferrando
  • M. I. Ferrero
  • J. Figiel
  • B. Foster
  • G. Gach
  • A. Galas
  • E. Gallo
  • A. Garfagnini
  • A. Geiser
  • I. Gialas
  • A. Gizhko
  • L. K. Gladilin
  • D. Gladkov
  • C. Glasman
  • O. Gogota
  • Yu. A. Golubkov
  • P. Göttlicher
  • I. Grabowska-Bold
  • J. Grebenyuk
  • I. Gregor
  • G. Grigorescu
  • G. Grzelak
  • O. Gueta
  • M. Guzik
  • C. Gwenlan
  • T. Haas
  • W. Hain
  • R. Hamatsu
  • J. C. Hart
  • H. Hartmann
  • G. Hartner
  • E. Hilger
  • D. Hochman
  • R. Hori
  • A. Hüttmann
  • Z. A. Ibrahim
  • Y. Iga
  • R. Ingbir
  • M. Ishitsuka
  • A. Iudin
  • H.-P. Jakob
  • F. Januschek
  • T. W. Jones
  • M. Jüngst
  • I. Kadenko
  • B. Kahle
  • S. Kananov
  • T. Kanno
  • U. Karshon
  • F. Karstens
  • I. I. Katkov
  • M. Kaur
  • P. Kaur
  • A. Keramidas
  • L. A. Khein
  • J. Y. Kim
  • D. Kisielewska
  • S. Kitamura
  • R. Klanner
  • U. Klein
  • E. Koffeman
  • N. Kondrashova
  • O. Kononenko
  • P. Kooijman
  • Ie. Korol
  • I. A. Korzhavina
  • A. Kotanski
  • U. Kötz
  • N. Kovalchuk
  • H. Kowalski
  • O. Kuprash
  • M. Kuze
  • A. Lee
  • B. B. Levchenko
  • A. LevyEmail author
  • V. Libov
  • S. Limentani
  • T. Y. Ling
  • M. Lisovyi
  • E. Lobodzinska
  • W. Lohmann
  • B. Löhr
  • E. Lohrmann
  • K. R. Long
  • A. Longhin
  • D. Lontkovskyi
  • O. Yu. Lukina
  • J. Maeda
  • S. Magill
  • I. Makarenko
  • J. Malka
  • R. Mankel
  • A. Margotti
  • G. Marini
  • J. F. Martin
  • A. Mastroberardino
  • M. C. K. Mattingly
  • I.-A. Melzer-Pellmann
  • S. Mergelmeyer
  • S. Miglioranzi
  • F. Mohamad Idris
  • V. Monaco
  • A. Montanari
  • J. D. Morris
  • K. Mujkic
  • B. Musgrave
  • K. Nagano
  • T. Namsoo
  • R. Nania
  • A. Nigro
  • Y. Ning
  • T. Nobe
  • D. Notz
  • R. J. Nowak
  • A. E. Nuncio-Quiroz
  • B. Y. Oh
  • N. Okazaki
  • K. Olkiewicz
  • Yu. Onishchuk
  • K. Papageorgiu
  • A. Parenti
  • E. Paul
  • J. M. Pawlak
  • B. Pawlik
  • P. G. Pelfer
  • A. Pellegrino
  • W. Perlanski
  • H. Perrey
  • K. Piotrzkowski
  • P. Plucinski
  • N. S. Pokrovskiy
  • A. Polini
  • A. S. Proskuryakov
  • M. Przybycien
  • A. Raval
  • D. D. Reeder
  • B. Reisert
  • Z. Ren
  • J. Repond
  • Y. D. Ri
  • A. Robertson
  • P. Roloff
  • I. Rubinsky
  • M. Ruspa
  • R. Sacchi
  • U. Samson
  • G. Sartorelli
  • A. A. Savin
  • D. H. Saxon
  • M. Schioppa
  • S. Schlenstedt
  • P. Schleper
  • W. B. Schmidke
  • U. Schneekloth
  • V. Schönberg
  • T. Schörner-Sadenius
  • J. Schwartz
  • F. Sciulli
  • L. M. Shcheglova
  • R. Shehzadi
  • S. Shimizu
  • I. Singh
  • I. O. Skillicorn
  • W. Slominski
  • W. H. Smith
  • V. Sola
  • A. Solano
  • D. Son
  • V. Sosnovtsev
  • A. Spiridonov
  • H. Stadie
  • L. Stanco
  • N. Stefaniuk
  • A. Stern
  • T. P. Stewart
  • A. Stifutkin
  • P. Stopa
  • S. Suchkov
  • G. Susinno
  • L. Suszycki
  • J. Sztuk-Dambietz
  • D. Szuba
  • J. Szuba
  • A. D. Tapper
  • E. Tassi
  • J. Terrón
  • T. Theedt
  • H. Tiecke
  • K. Tokushuku
  • J. Tomaszewska
  • A. Trofymov
  • V. Trusov
  • T. Tsurugai
  • M. Turcato
  • O. Turkot
  • T. Tymieniecka
  • M. Vázquez
  • A. Verbytskyi
  • O. Viazlo
  • N. N. Vlasov
  • R. Walczak
  • W. A. T. Wan Abdullah
  • J. J. Whitmore
  • K. Wichmann
  • L. Wiggers
  • M. Wing
  • M. Wlasenko
  • G. Wolf
  • H. Wolfe
  • K. Wrona
  • A. G. Yagües-Molina
  • S. Yamada
  • Y. Yamazaki
  • R. Yoshida
  • C. Youngman
  • N. Zakharchuk
  • A. F. Żarnecki
  • L. Zawiejski
  • O. Zenaiev
  • W. Zeuner
  • B. O. Zhautykov
  • N. Zhmak
  • A. Zichichi
  • Z. Zolkapli
  • D. S. Zotkin
Open Access
Article

Abstract

Charm production in deep inelastic ep scattering was measured with the ZEUS detector using an integrated luminosity of 354 pb−1. Charm quarks were identified by reconstructing D ± mesons in the D ±K π±π± decay channel. Lifetime information was used to reduce combinatorial background substantially. Differential cross sections were measured in the kinematic region 5 < Q 2 < 1000 GeV2, 0.02 < y < 0.7, 1.5 < p T (D ±) < 15 GeV and |η(D ±)| < 1.6, where Q 2 is the photon virtuality, y is the inelasticity, and p T (D ±) and η(D ±) are the transverse momentum and the pseudorapidity of the D ± meson, respectively. Next-to-leading-order QCD predictions are compared to the data. The charm contribution, \( F_2^{{c\overline{c}}} \), to the proton structure-function F 2 was extracted.

Keywords

Lepton-Nucleon Scattering Heavy quark production 

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Copyright information

© SISSA 2013

Authors and Affiliations

  • The ZEUS collaboration
  • H. Abramowicz
    • 45
  • I. Abt
    • 35
  • L. Adamczyk
    • 13
  • M. Adamus
    • 54
  • R. Aggarwal
    • 7
  • S. Antonelli
    • 4
  • P. Antonioli
    • 3
  • A. Antonov
    • 33
  • M. Arneodo
    • 50
  • O. Arslan
    • 5
  • V. Aushev
    • 26
    • 27
  • Y. Aushev
    • 27
  • O. Bachynska
    • 15
  • A. Bamberger
    • 19
  • A. N. Barakbaev
    • 25
  • G. Barbagli
    • 17
  • G. Bari
    • 3
  • F. Barreiro
    • 30
  • N. Bartosik
    • 15
  • D. Bartsch
    • 5
  • M. Basile
    • 4
  • O. Behnke
    • 15
  • J. Behr
    • 15
  • U. Behrens
    • 15
  • L. Bellagamba
    • 3
  • A. Bertolin
    • 39
  • S. Bhadra
    • 57
  • M. Bindi
    • 4
  • C. Blohm
    • 15
  • V. Bokhonov
    • 26
  • T. Bold
    • 13
  • E. G. Boos
    • 25
  • K. Borras
    • 15
  • D. Boscherini
    • 3
  • D. Bot
    • 15
  • I. Brock
    • 5
  • E. Brownson
    • 56
  • R. Brugnera
    • 40
  • N. Brümmer
    • 37
  • A. Bruni
    • 3
  • G. Bruni
    • 3
  • B. Brzozowska
    • 53
  • P. J. Bussey
    • 20
  • B. Bylsma
    • 37
  • A. Caldwell
    • 35
  • M. Capua
    • 8
  • R. Carlin
    • 40
  • C. D. Catterall
    • 57
  • S. Chekanov
    • 1
  • J. Chwastowski
    • 12
    • 61
  • J. Ciborowski
    • 53
    • 82
  • R. Ciesielski
    • 15
    • 62
  • L. Cifarelli
    • 4
  • F. Cindolo
    • 3
  • A. Contin
    • 4
  • A. M. Cooper-Sarkar
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  • N. Coppola
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  • F. Corriveau
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  • F. Dal Corso
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  • J. del Peso
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  • S. De Pasquale
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  • R. C. E. Devenish
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  • Y. Eisenberg
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  • A. Eskreys
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    • 21
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    • 15
  • L. K. Gladilin
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  • D. Gladkov
    • 33
  • C. Glasman
    • 30
  • O. Gogota
    • 27
  • Yu. A. Golubkov
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  • P. Göttlicher
    • 15
    • 64
  • I. Grabowska-Bold
    • 13
  • J. Grebenyuk
    • 15
  • I. Gregor
    • 15
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  • G. Grzelak
    • 53
  • O. Gueta
    • 45
  • M. Guzik
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  • G. Hartner
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  • R. Hori
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  • A. Hüttmann
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  • Y. Iga
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  • R. Ingbir
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  • M. Ishitsuka
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  • A. Iudin
    • 27
  • H.-P. Jakob
    • 5
  • F. Januschek
    • 15
  • T. W. Jones
    • 52
  • M. Jüngst
    • 5
  • I. Kadenko
    • 27
  • B. Kahle
    • 15
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    • 45
  • T. Kanno
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  • U. Karshon
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  • F. Karstens
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    • 73
  • I. I. Katkov
    • 15
    • 65
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  • L. A. Khein
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  • O. Kononenko
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  • P. Kooijman
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  • Ie. Korol
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  • I. A. Korzhavina
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  • A. Kotanski
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  • U. Kötz
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  • H. Kowalski
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  • B. B. Levchenko
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  • A. Levy
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  • V. Libov
    • 15
  • S. Limentani
    • 40
  • T. Y. Ling
    • 37
  • M. Lisovyi
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  • E. Lobodzinska
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  • W. Lohmann
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  • B. Löhr
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  • K. R. Long
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  • A. Longhin
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    • 78
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    • 15
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    • 46
    • 79
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    • 1
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    • 15
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    • 15
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    • 15
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    • 3
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    • 43
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    • 51
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    • 8
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    • 2
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    • 15
  • S. Mergelmeyer
    • 5
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    • 15
    • 67
  • F. Mohamad Idris
    • 10
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    • 49
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    • 15
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    • 6
    • 59
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    • 15
    • 68
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    • 1
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    • 24
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    • 15
    • 69
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    • 3
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    • 43
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    • 11
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    • 46
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    • 53
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    • 5
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    • 41
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    • 47
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    • 27
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    • 21
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    • 5
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    • 25
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    • 3
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    • 13
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    • 15
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  • N. Zhmak
    • 26
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    • 34
  1. 1.Argonne National LaboratoryArgonneUSA
  2. 2.Andrews UniversityBerrien SpringsUSA
  3. 3.INFN BolognaBolognaItaly
  4. 4.University and INFN BolognaBolognaItaly
  5. 5.Physikalisches Institut der Universität BonnBonnGermany
  6. 6.H.H. Wills Physics LaboratoryUniversity of BristolBristolUnited Kingdom
  7. 7.Department of PhysicsPanjab UniversityChandigarhIndia
  8. 8.Physics Department and INFNCalabria UniversityCosenzaItaly
  9. 9.Institute for Universe and Elementary ParticlesChonnam National UniversityKwangjuSouth Korea
  10. 10.Jabatan Fizik, Universiti MalayaKuala LumpurMalaysia
  11. 11.Nevis Laboratories, Columbia UniversityIrvington on HudsonUSA
  12. 12.The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of SciencesKrakowPoland
  13. 13.AGH-University of Science and Technology, Faculty of Physics and Applied Computer ScienceKrakowPoland
  14. 14.Department of PhysicsJagellonian UniversityCracowPoland
  15. 15.Deutsches Elektronen-Synchrotron DESYHamburgGermany
  16. 16.Deutsches Elektronen-Synchrotron DESYZeuthenGermany
  17. 17.INFN FlorenceFlorenceItaly
  18. 18.University and INFN FlorenceFlorenceItaly
  19. 19.Fakultät für Physik der Universität Freiburg i.Br.Freiburg i.BrGermany
  20. 20.School of Physics and AstronomyUniversity of GlasgowGlasgowUnited Kingdom
  21. 21.Department of Engineering in Management and FinanceUniv. of the AegeanChiosGreece
  22. 22.Hamburg University, Institute of Experimental PhysicsHamburgGermany
  23. 23.Imperial College London, High Energy Nuclear Physics GroupLondonUnited Kingdom
  24. 24.Institute of Particle and Nuclear Studies, KEKTsukubaJapan
  25. 25.Institute of Physics and Technology of Ministry of Education and Science of KazakhstanAlmatyKazakhstan
  26. 26.Institute for Nuclear Research, National Academy of SciencesKyivUkraine
  27. 27.Department of Nuclear PhysicsNational Taras Shevchenko University of KyivKyivUkraine
  28. 28.Kyungpook National University, Center for High Energy PhysicsDaeguSouth Korea
  29. 29.Institut de Physique NucléaireUniversité Catholique de LouvainLouvain-la-NeuveBelgium
  30. 30.Departamento de Física TeóricaUniversidad Autónoma de MadridMadridSpain
  31. 31.Department of PhysicsMcGill UniversityMontréalCanada
  32. 32.Meiji Gakuin University, Faculty of General EducationYokohamaJapan
  33. 33.Moscow Engineering Physics InstituteMoscowRussia
  34. 34.Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear PhysicsMoscowRussia
  35. 35.Max-Planck-Institut für PhysikMünchenGermany
  36. 36.NIKHEF and University of AmsterdamAmsterdamNetherlands
  37. 37.Physics DepartmentOhio State UniversityColumbusUSA
  38. 38.Department of PhysicsUniversity of OxfordOxfordUnited Kingdom
  39. 39.INFN PadovaPadovaItaly
  40. 40.Dipartimento di Fisica dell’ Università and INFNPadovaItaly
  41. 41.Department of PhysicsPennsylvania State UniversityUniversity ParkUSA
  42. 42.Polytechnic UniversityTokyoJapan
  43. 43.Dipartimento di Fisica, Università ’La Sapienza’ and INFNRomeItaly
  44. 44.Rutherford Appleton LaboratoryOxonUnited Kingdom
  45. 45.Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel Aviv UniversityTel AvivIsrael
  46. 46.Department of PhysicsTokyo Institute of TechnologyTokyoJapan
  47. 47.Department of PhysicsUniversity of TokyoTokyoJapan
  48. 48.Department of PhysicsTokyo Metropolitan UniversityTokyoJapan
  49. 49.Università di Torino and INFNTorinoItaly
  50. 50.Università del Piemonte Orientale, Novara, and INFNTorinoItaly
  51. 51.Department of PhysicsUniversity of TorontoTorontoCanada
  52. 52.Physics and Astronomy DepartmentUniversity College LondonLondonUnited Kingdom
  53. 53.Faculty of Physics, University of WarsawWarsawPoland
  54. 54.National Centre for Nuclear ResearchWarsawPoland
  55. 55.Department of Particle Physics and AstrophysicsWeizmann InstituteRehovotIsrael
  56. 56.Department of PhysicsUniversity of WisconsinMadisonUSA
  57. 57.Department of PhysicsYork UniversityTorontoCanada
  58. 58.University of SalernoSalernoItaly
  59. 59.Queen Mary University of LondonLondonUnited Kingdom
  60. 60.Senior Alexander von Humboldt Research Fellow at Hamburg University, Institute of Experimental PhysicsHamburgGermany
  61. 61.Cracow University of Technology, Faculty of Physics, Mathematics and Applied Computer ScienceCracowPoland
  62. 62.Rockefeller UniversityNew YorkUSA
  63. 63.Institute of High Energy PhysicsBeijingChina
  64. 64.DESY group FEBHamburgGermany
  65. 65.Moscow State UniversityMoscowRussia
  66. 66.University of LiverpoolLiverpoolUnited Kingdom
  67. 67.CERNGenevaSwitzerland
  68. 68.University College LondonLondonUK
  69. 69.Goldman SachsLondonUK
  70. 70.Institute of Theoretical and Experimental PhysicsMoscowRussia
  71. 71.FPACS, AGH-USTCracowPoland
  72. 72.Istituto Nazionale di Fisica Nucleare (INFN)PisaItaly
  73. 73.Haase Energie Technik AGNeumünsterGermany
  74. 74.Department of PhysicsUniversity of BonnBonnGermany
  75. 75.DESYHamburgGermany
  76. 76.University of TokyoTokyoJapan
  77. 77.Kobe UniversityKobeJapan
  78. 78.LNFFrascatiItaly
  79. 79.Tokyo Metropolitan UniversityTokyoJapan
  80. 80.Nihon Institute of Medical ScienceSaitamaJapan
  81. 81.Osaka UniversityOsakaJapan
  82. 82.Lódz UniversityLódzPoland
  83. 83.Department of PhysicsStockholm UniversityStockholmSweden
  84. 84.Cardinal Stefan Wyszynski UniversityWarsawPoland

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