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Journal of High Energy Physics

, 2015:149 | Cite as

Combination of differential D∗± cross-section measurements in deep-inelastic ep scattering at HERA

  • The H1 and ZEUS collaborations
  • H. Abramowicz
  • I. Abt
  • L. Adamczyk
  • M. Adamus
  • V. Andreev
  • S. Antonelli
  • V. Aushev
  • Y. Aushev
  • A. Baghdasaryan
  • K. Begzsuren
  • O. Behnke
  • U. Behrens
  • A. Belousov
  • A. Bertolin
  • I. Bloch
  • E. G. Boos
  • K. Borras
  • V. Boudry
  • G. Brandt
  • V. Brisson
  • D. Britzger
  • I. Brock
  • N. H. Brook
  • R. Brugnera
  • A. Bruni
  • A. Buniatyan
  • P. J. Bussey
  • A. Bylinkin
  • L. Bystritskaya
  • A. Caldwell
  • A. J. Campbell
  • K. B. Cantun Avila
  • M. Capua
  • C. D. Catterall
  • F. Ceccopieri
  • K. Cerny
  • V. Chekelian
  • J. Chwastowski
  • J. Ciborowski
  • R. Ciesielski
  • J. G. Contreras
  • A. M. Cooper-Sarkar
  • M. Corradi
  • F. Corriveau
  • J. Cvach
  • J. B. Dainton
  • K. Daum
  • R. K. Dementiev
  • R. C. E. Devenish
  • C. Diaconu
  • M. Dobre
  • V. Dodonov
  • G. Dolinska
  • S. Dusini
  • G. Eckerlin
  • S. Egli
  • E. Elsen
  • L. Favart
  • A. Fedotov
  • J. Feltesse
  • J. Ferencei
  • J. Figiel
  • M. Fleischer
  • A. Fomenko
  • B. Foster
  • E. Gabathuler
  • G. Gach
  • E. Gallo
  • A. Garfagnini
  • J. Gayler
  • A. Geiser
  • S. Ghazaryan
  • A. Gizhko
  • L. K. Gladilin
  • L. Goerlich
  • N. Gogitidze
  • Yu. A. Golubkov
  • M. Gouzevitch
  • C. Grab
  • A. Grebenyuk
  • J. Grebenyuk
  • T. Greenshaw
  • I. Gregor
  • G. Grindhammer
  • G. Grzelak
  • O. Gueta
  • M. Guzik
  • D. Haidt
  • W. Hain
  • R. C. W. Henderson
  • J. Hladky
  • D. Hochman
  • D. Hoffmann
  • R. Hori
  • R. Horisberger
  • T. Hreus
  • F. Huber
  • Z. A. Ibrahim
  • Y. Iga
  • M. Ishitsuka
  • A. Iudin
  • M. Jacquet
  • X. Janssen
  • F. Januschek
  • N. Z. Jomhari
  • A. W. Jung
  • H. Jung
  • I. Kadenko
  • S. Kananov
  • M. Kapichine
  • U. Karshon
  • M. Kaur
  • P. Kaur
  • C. Kiesling
  • D. Kisielewska
  • R. Klanner
  • M. Klein
  • U. Klein
  • C. Kleinwort
  • R. Kogler
  • N. Kondrashova
  • O. Kononenko
  • Ie. Korol
  • I. A. Korzhavina
  • P. Kostka
  • A. Kotanski
  • U. Kötz
  • N. Kovalchuk
  • H. Kowalski
  • J. Kretzschmar
  • K. Krüger
  • B. Krupa
  • O. Kuprash
  • M. Kuze
  • M. P. J. Landon
  • W. Lange
  • P. Laycock
  • A. Lebedev
  • B. B. Levchenko
  • S. Levonian
  • A. Levy
  • V. Libov
  • S. Limentani
  • K. Lipka
  • M. Lisovyi
  • B. List
  • J. List
  • E. Lobodzinska
  • B. Lobodzinski
  • B. Löhr
  • E. Lohrmann
  • A. Longhin
  • D. Lontkovskyi
  • O. Yu. Lukina
  • I. Makarenko
  • E. Malinovski
  • J. Malka
  • H.-U. Martyn
  • S. J. Maxfield
  • A. Mehta
  • S. Mergelmeyer
  • A. B. Meyer
  • H. Meyer
  • J. Meyer
  • S. Mikocki
  • F. Mohamad Idris
  • A. Morozov
  • N. Muhammad Nasir
  • K. Müller
  • V. Myronenko
  • K. Nagano
  • Th. Naumann
  • P. R. Newman
  • C. Niebuhr
  • T. Nobe
  • D. Notz
  • G. Nowak
  • R. J. Nowak
  • J. E. Olsson
  • Yu. Onishchuk
  • D. Ozerov
  • P. Pahl
  • C. Pascaud
  • G. D. Patel
  • E. Paul
  • E. Perez
  • W. Perlanski
  • A. Petrukhin
  • I. Picuric
  • H. Pirumov
  • D. Pitzl
  • R. Plačakytė
  • B. Pokorny
  • N. S. Pokrovskiy
  • R. Polifka
  • M. Przybycien
  • V. Radescu
  • N. Raicevic
  • T. Ravdandorj
  • P. Reimer
  • E. Rizvi
  • P. Robmann
  • P. Roloff
  • R. Roosen
  • A. Rostovtsev
  • M. Rotaru
  • I. Rubinsky
  • S. Rusakov
  • M. Ruspa
  • D. Šálek
  • D. P. C. Sankey
  • M. Sauter
  • E. Sauvan
  • D. H. Saxon
  • M. Schioppa
  • W. B. Schmidke
  • S. SchmittEmail author
  • U. Schneekloth
  • L. Schoeffel
  • A. Schöning
  • T. Schörner-Sadenius
  • F. Sefkow
  • L. M. Shcheglova
  • R. Shevchenko
  • O. Shkola
  • S. Shushkevich
  • Yu. Shyrma
  • I. Singh
  • I. O. Skillicorn
  • W. Slominski
  • A. Solano
  • Y. Soloviev
  • P. Sopicki
  • D. South
  • V. Spaskov
  • A. Specka
  • L. Stanco
  • M. Steder
  • N. Stefaniuk
  • A. Stern
  • P. Stopa
  • U. Straumann
  • T. Sykora
  • J. Sztuk-Dambietz
  • D. Szuba
  • J. Szuba
  • E. Tassi
  • P. D. Thompson
  • K. Tokushuku
  • J. Tomaszewska
  • D. Traynor
  • A. Trofymov
  • P. Truöl
  • I. Tsakov
  • B. Tseepeldorj
  • T. Tsurugai
  • M. Turcato
  • O. Turkot
  • J. Turnau
  • T. Tymieniecka
  • A. Valkárová
  • C. Vallée
  • P. Van Mechelen
  • Y. Vazdik
  • A. Verbytskyi
  • O. Viazlo
  • R. Walczak
  • W. A. T. Wan Abdullah
  • D. Wegener
  • K. Wichmann
  • M. Wing
  • G. Wolf
  • E. Wünsch
  • S. Yamada
  • Y. Yamazaki
  • J. Žáček
  • N. Zakharchuk
  • A. F. Żarnecki
  • L. Zawiejski
  • O. Zenaiev
  • Z. Zhang
  • B. O. Zhautykov
  • N. Zhmak
  • R. Žlebčík
  • H. Zohrabyan
  • F. Zomer
  • D. S. Zotkin
Open Access
Regular Article - Experimental Physics

Abstract

H1 and ZEUS have published single-differential cross sections for inclusive D ∗±-meson production in deep-inelastic ep scattering at HERA from their respective final data sets. These cross sections are combined in the common visible phase-space region of photon virtuality Q 2 > 5 GeV2, electron inelasticity 0.02 < y < 0.7 and the D ∗± meson’s transverse momentum p T(D ) > 1.5 GeV and pseudorapidity |η(D )| < 1.5. The combination procedure takes into account all correlations, yielding significantly reduced experimental uncertainties. Double-differential cross sections d2 σ/dQ 2dy are combined with earlier D ∗± data, extending the kinematic range down to Q 2 > 1.5 GeV2. Perturbative next-to-leading-order QCD predictions are compared to the results.

Keywords

Lepton-Nucleon Scattering QCD Heavy quark production Charm physics 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2015

Authors and Affiliations

  • The H1 and ZEUS collaborations
  • H. Abramowicz
    • 49
    • 65
  • I. Abt
    • 36
  • L. Adamczyk
    • 22
  • M. Adamus
    • 58
  • V. Andreev
    • 34
  • S. Antonelli
    • 6
  • V. Aushev
    • 25
    • 26
  • Y. Aushev
    • 26
    • 66
  • A. Baghdasaryan
    • 60
  • K. Begzsuren
    • 55
  • O. Behnke
    • 17
  • U. Behrens
    • 17
  • A. Belousov
    • 34
  • A. Bertolin
    • 40
  • I. Bloch
    • 62
  • E. G. Boos
    • 2
  • K. Borras
    • 17
  • V. Boudry
    • 42
  • G. Brandt
    • 39
  • V. Brisson
    • 38
  • D. Britzger
    • 17
  • I. Brock
    • 7
  • N. H. Brook
    • 30
  • R. Brugnera
    • 41
  • A. Bruni
    • 5
  • A. Buniatyan
    • 4
  • P. J. Bussey
    • 15
  • A. Bylinkin
    • 33
    • 67
  • L. Bystritskaya
    • 33
  • A. Caldwell
    • 36
  • A. J. Campbell
    • 17
  • K. B. Cantun Avila
    • 32
  • M. Capua
    • 10
  • C. D. Catterall
    • 37
  • F. Ceccopieri
    • 3
  • K. Cerny
    • 45
  • V. Chekelian
    • 36
  • J. Chwastowski
    • 21
  • J. Ciborowski
    • 57
    • 68
  • R. Ciesielski
    • 17
    • 69
  • J. G. Contreras
    • 32
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  1. 1.I. Physikalisches Institut der RWTHAachenGermany
  2. 2.Institute of Physics and Technology of Ministry of Education and Science of KazakhstanAlmatyKazakhstan
  3. 3.Inter-University Institute for High Energies ULB-VUBBrussels and Universiteit AntwerpenAntwerpenBelgium
  4. 4.School of Physics and AstronomyUniversity of BirminghamBirminghamUnited Kingdom
  5. 5.INFN BolognaBolognaItaly
  6. 6.University and INFN BolognaBolognaItaly
  7. 7.Physikalisches Institut der Universität BonnBonnGermany
  8. 8.National Institute for Physics and Nuclear Engineering (NIPNE)BucharestRomania
  9. 9.Panjab University, Department of PhysicsChandigarhIndia
  10. 10.Calabria University, Physics Department and INFNCosenzaItaly
  11. 11.STFC, Rutherford Appleton LaboratoryOxfordshireUnited Kingdom
  12. 12.Institut für PhysikTU DortmundDortmundGermany
  13. 13.Joint Institute for Nuclear ResearchDubnaRussia
  14. 14.CEA, DSM/Irfu, CE-SaclayGif-sur-YvetteFrance
  15. 15.School of Physics and AstronomyUniversity of GlasgowGlasgowUnited Kingdom
  16. 16.Institut für ExperimentalphysikUniversität HamburgHamburgGermany
  17. 17.Deutsches Elektronen-Synchrotron DESYHamburgGermany
  18. 18.Physikalisches InstitutUniversität HeidelbergHeidelbergGermany
  19. 19.Kirchhoff-Institut für PhysikUniversität HeidelbergHeidelbergGermany
  20. 20.Institute of Experimental PhysicsSlovak Academy of SciencesKošiceSlovakia
  21. 21.The Henryk Niewodniczanski Institute of Nuclear PhysicsPolish Academy of SciencesKrakowPoland
  22. 22.AGH-University of Science and Technology, Faculty of Physics and Applied Computer ScienceKrakowPoland
  23. 23.Department of PhysicsJagellonian UniversityKrakowPoland
  24. 24.National Centre for Particle PhysicsUniversiti MalayaKuala LumpurMalaysia
  25. 25.Institute for Nuclear ResearchNational Academy of SciencesKyivUkraine
  26. 26.Department of Nuclear PhysicsNational Taras Shevchenko University of KyivKyivUkraine
  27. 27.Department of PhysicsUniversity of LancasterLancasterUnited Kingdom
  28. 28.Department of PhysicsUniversity of LiverpoolLiverpoolUnited Kingdom
  29. 29.School of Physics and Astronomy, Queen MaryUniversity of LondonLondonUnited Kingdom
  30. 30.Physics and Astronomy DepartmentUniversity College LondonLondonUnited Kingdom
  31. 31.Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346MarseilleFrance
  32. 32.Departamento de Fisica Aplicada, CINVESTAVMéridaMexico
  33. 33.Institute for Theoretical and Experimental PhysicsMoscowRussia
  34. 34.Lebedev Physical InstituteMoscowRussia
  35. 35.Lomonosov Moscow State UniversitySkobeltsyn Institute of Nuclear PhysicsMoscowRussia
  36. 36.Max-Planck-Institut für PhysikMünchenGermany
  37. 37.Department of PhysicsYork UniversityNorth YorkCanada
  38. 38.LAL, Université Paris-Sud, CNRS/IN2P3OrsayFrance
  39. 39.Department of PhysicsUniversity of OxfordOxfordUnited Kingdom
  40. 40.INFN PadovaPadovaItaly
  41. 41.Dipartimento di Fisica e Astronomia dell’ Università and INFNPadovaItaly
  42. 42.LLR, Ecole Polytechnique, CNRS/IN2P3PalaiseauFrance
  43. 43.Faculty of ScienceUniversity of MontenegroPodgoricaMontenegro
  44. 44.Institute of Physics, Academy of Sciences of the Czech RepublicPrahaCzech Republic
  45. 45.Faculty of Mathematics and PhysicsCharles UniversityPrahaCzech Republic
  46. 46.Department of PhysicsMcGill UniversityMontréalCanada
  47. 47.Department of Particle Physics and AstrophysicsWeizmann InstituteRehovotIsrael
  48. 48.Institute for Nuclear Research and Nuclear EnergySofiaBulgaria
  49. 49.Raymond and Beverly Sackler Faculty of Exact Sciences, School of PhysicsTel Aviv UniversityTel AvivIsrael
  50. 50.Polytechnic UniversityTokyoJapan
  51. 51.Department of PhysicsTokyo Institute of TechnologyTokyoJapan
  52. 52.Università di Torino and INFNTorinoItaly
  53. 53.Università del Piemonte Orientale, Novara, and INFNTorinoItaly
  54. 54.Institute of Particle and Nuclear Studies, KEKTsukubaJapan
  55. 55.Institute of Physics and Technology of the Mongolian Academy of SciencesUlaanbaatarMongolia
  56. 56.Paul Scherrer InstitutVilligenSwitzerland
  57. 57.Faculty of PhysicsUniversity of WarsawWarsawPoland
  58. 58.National Centre for Nuclear ResearchWarsawPoland
  59. 59.Fachbereich CUniversität WuppertalWuppertalGermany
  60. 60.Yerevan Physics InstituteYerevanArmenia
  61. 61.Meiji Gakuin University, Faculty of General EducationYokohamaJapan
  62. 62.Deutsches Elektronen-Synchrotron DESYZeuthenGermany
  63. 63.Institut für Teilchenphysik, ETHZürichSwitzerland
  64. 64.Physik-Institut der Universität ZürichZürichSwitzerland
  65. 65.Max Planck Institute for PhysicsMunichGermany
  66. 66.Kyiv Polytechnic InstituteKyivUkraine
  67. 67.Moscow Institute of Physics and TechnologyMoscowRussia
  68. 68.Lódz UniversityLódzPoland
  69. 69.Rockefeller UniversityNew YorkUnited States
  70. 70.Rechenzentrum, Universität WuppertalWuppertalGermany
  71. 71.DESY and University of OxfordOxfordUnited Kingdom
  72. 72.School of Physics and AstronomyUniversity of BirminghamBirminghamUnited Kingdom
  73. 73.IPNL, Université Claude Bernard Lyon 1, CNRS/IN2P3VilleurbanneFrance
  74. 74.European X-ray Free-Electron Laser facility GmbHHamburgGermany
  75. 75.FermilabChicagoUnited States
  76. 76.University of LiverpoolLiverpoolUnited Kingdom
  77. 77.DESY ATLAS groupZeuthen/Berlin and HamburgGermany
  78. 78.LNFFrascatiItaly
  79. 79.Agensi Nuklear MalaysiaKajang, BangiMalaysia
  80. 80.CERNGenevaSwitzerland
  81. 81.Department of PhysicsUniversity of TorontoTorontoCanada
  82. 82.LAPP, Université de Savoie, CNRS/IN2P3Annecy-le-VieuxFrance
  83. 83.BNLUptonUnited States
  84. 84.University of TokyoTokyoJapan
  85. 85.Polish Air Force Academy in DeblinDeblinPoland
  86. 86.Ulaanbaatar UniversityUlaanbaatarMongolia
  87. 87.Universität HamburgHamburgGermany
  88. 88.Kobe UniversityKobeJapan
  89. 89.Sant Longowal Institute of Engineering and TechnologyLongowalIndia
  90. 90.Sri Guru Granth Sahib World UniversityFatehgarh SahibIndia

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