Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA

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• 作者：H. Abramowicz (71)
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  L. Adamczyk (36)
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• 刊名：The European Physical Journal C - Particles and Fields
• 出版年：2013
• 出版时间：February 2013
• 年：2013
• 卷：73
• 期：2
• 全文大小：1348KB
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  71. Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel Aviv University, Tel Aviv, Israel
  57. Max-Planck-Institut für Physik, Munich, Germany
  36. Faculty of Physics and Applied Computer Science, AGH-University of Science and Technology, Krakow, Poland
  85. National Centre for Nuclear Research, Warsaw, Poland
  15. Department of Physics, Panjab University, Chandigarh, India
  14. National Institute for Physics and Nuclear Engineering (NIPNE), Bucharest, Romania
  54. Lebedev Physical Institute, Moscow, Russia
  11. University and INFN Bologna, Bologna, Italy
  10. INFN Bologna, Bologna, Italy
  55. Moscow Engineering Physics Institute, Moscow, Russia
  77. Università del Piemonte Orientale, Novara, Italy
  78. INFN, Torino, Italy
  12. Physikalisches Institut der Universit?t Bonn, Bonn, Germany
  39. Institute for Nuclear Research, National Academy of Sciences, Kyiv, Ukraine
  40. Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
  30. Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
  87. Yerevan Physics Institute, Yerevan, Armenia
  26. Fakult?t für Physik der Universit?t Freiburg i.Br., Freiburg i.Br., Germany
  2. Institute of Physics and Technology of Ministry of Education and Science of Kazakhstan, Almaty, Kazakhstan
  24. INFN Florence, Florence, Italy
  50. Departamento de Física Teórica, Universidad Autónoma de Madrid, Madrid, Spain
  81. Institute of Physics and Technology of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
  61. INFN Padova, Padova, Italy
  89. Department of Physics, York University, Toronto, Ontario, Canada, M3J 1P3
  63. LLR, Ecole Polytechnique, CNRS/IN2P3, Palaiseau, France
  7. Vinca Institute of Nuclear Sciences, University of Belgrade, 1100, Belgrade, Serbia
  17. Physics Department, Ohio State University, Columbus, OH, 43210, USA
  9. School of Physics and Astronomy, University of Birmingham, Birmingham, UK
  58. LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
  49. Department of Physics, University of Wisconsin, Madison, WI, 53706, USA
  62. Dipartimento di Fisica dell-Università and INFN, Padova, Italy
  84. Faculty of Physics, University of Warsaw, Warsaw, Poland
  33. Max-Planck-Institut für Kernphysik, Heidelberg, Germany
  28. School of Physics and Astronomy, University of Glasgow, Glasgow, UK
  53. Institute for Theoretical and Experimental Physics, Moscow, Russia
  90. Departamento de Fisica Aplicada, CINVESTAV, Mérida, Yucatán, México
  18. Physics Department and INFN, Calabria University, Cosenza, Italy
  4. Inter-University Institute for High Energies ULB-VUB, Brussels, Belgium
  5. Universiteit Antwerpen, Antwerpen, Belgium
  66. Faculty of Mathematics and Physics of Charles University, Prague, Czech Republic
  6. Argonne National Laboratory, Argonne, IL, 60439-4815, USA
  19. The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Cracow, Poland
  59. Department of Physics, University of Oxford, Oxford, UK
  52. Department of Physics, McGill University, Montréal, Québec, Canada, H3A 2T8
  76. Università di Torino and INFN, Torino, Italy
  65. Institute of Physics of the Academy of Sciences of the Czech Republic, Praha, Czech Republic
  69. Dipartimento di Fisica, Università ‘La Sapienza-and INFN, Rome, Italy
  42. Department of Physics, University of Liverpool, Liverpool, UK
  86. Fachbereich C, Universit?t Wuppertal, Wuppertal, Germany
  56. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia
  51. CPPM, Aix-Marseille Univ, CNRS/IN2P3, 13288, Marseille, France
  29. Institut für Experimentalphysik, Universit?t Hamburg, Hamburg, Germany
  91. Deutsches Elektronen-Synchrotron DESY, Zeuthen, Germany
  83. Paul Scherrer Institut, Villigen, Switzerland
  67. Department of Particle Physics and Astrophysics, Weizmann Institute, Rehovot, Israel
  27. CEA, DSM/Irfu, CE-Saclay, Gif-sur-Yvette, France
  35. Institute of Experimental Physics, Slovak Academy of Sciences, Ko?ice, Slovak Republic
  16. Department of Engineering in Management and Finance, Univ. of the Aegean, Chios, Greece
  92. Institut für Teilchenphysik, ETH, Zurich, Switzerland
  3. NIKHEF and University of Amsterdam, Amsterdam, Netherlands
  75. Department of Physics, Tokyo Metropolitan University, Tokyo, Japan
  60. STFC, Rutherford Appleton Laboratory, Didcot, Oxfordshire, UK
  41. Department of Physics, University of Lancaster, Lancaster, UK
  32. Kirchhoff-Institut für Physik, Universit?t Heidelberg, Heidelberg, Germany
  48. Departamento de Fisica, CINVESTAV IPN, México City, México
  74. Department of Physics, University of Tokyo, Tokyo, Japan
  31. Physikalisches Institut, Universit?t Heidelberg, Heidelberg, Germany
  37. Jabatan Fizik, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
  72. Polytechnic University, Tokyo, Japan
  73. Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
  45. Physics and Astronomy Department, University College London, London, UK
  47. Physics Department, University of Lund, Lund, Sweden
  23. Joint Institute for Nuclear Research, Dubna, Russia
  38. Institute for Universe and Elementary Particles, Chonnam National University, Kwangju, South Korea
  20. Department of Physics, Jagellonian University, Cracow, Poland
  43. School of Physics and Astronomy, Queen Mary, University of London, London, UK
  64. Faculty of Science, University of Montenegro, Podgorica, Montenegro
  44. High Energy Nuclear Physics Group, Imperial College London, London, UK
  79. Department of Physics, University of Toronto, Toronto, Ontario, Canada, M5S 1A7
  1. I. Physikalisches Institut der RWTH, Aachen, Germany
  8. Andrews University, Berrien Springs, MI, 49104-0380, USA
  13. H.H. Wills Physics Laboratory, University of Bristol, Bristol, UK
  93. Physik-Institut der Universit?t Zürich, Zurich, Switzerland
  80. Institute of Particle and Nuclear Studies, KEK, Tsukuba, Japan
  34. Nevis Laboratories, Columbia University, Irvington on Hudson, NY, 10027, USA
  82. Department of Physics, Pennsylvania State University, University Park, PA, 16802, USA
  25. University and INFN Florence, Florence, Italy
  46. Institut de Physique Nucléaire, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
  21. Center for High Energy Physics, Kyungpook National University, Daegu, South Korea
  68. Dipartimento di Fisica Università di Roma Tre and INFN Roma 3, Rome, Italy
  70. Institute for Nuclear Research and Nuclear Energy, Sofia, Bulgaria
  88. Faculty of General Education, Meiji Gakuin University, Yokohama, Japan
  22. Institut für Physik, TU Dortmund, Dortmund, Germany
  
• ISSN：1434-6052

文摘

Measurements of open charm production cross sections in deep-inelastic ep scattering at HERA from the H1 and ZEUS Collaborations are combined. Reduced cross sections $\sigma_{\rm red}^{c\bar{c}}$ for charm production are obtained in the kinematic range of photon virtuality 2.5?em class="a-plus-plus">Q 2?000?GeV2 and Bjorken scaling variable 3?0??em class="a-plus-plus">x??0?. The combination method accounts for the correlations of the systematic uncertainties among the different data sets. The combined charm data together with the combined inclusive deep-inelastic scattering cross sections from HERA are used as input for a detailed NLO QCD analysis to study the influence of different heavy flavour schemes on the parton distribution functions. The optimal values of the charm mass as a parameter in these different schemes are obtained. The implications on the NLO predictions for W ± and Z production cross sections at the LHC are investigated. Using the fixed flavour number scheme, the running mass of the charm quark is determined.