4.7 Article

Measurement of D-meson production at mid-rapidity in pp collisions at √s=7 TeV

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EUROPEAN PHYSICAL JOURNAL C
卷 77, 期 8, 页码 -

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SPRINGER
DOI: 10.1140/epjc/s10052-017-5090-4

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资金

  1. Grid centres
  2. Worldwide LHC Computing Grid (WLCG) collaboration
  3. A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation (ANSL), Armenia
  4. State Committee of Science, Armenia
  5. World Federation of Scientists (WFS), Armenia
  6. Austrian Academy of Sciences, Austria
  7. Nationalstiftung fur Forschung, Technologie und Entwicklung, Austria
  8. Ministry of Communications and High Technologies, Azerbaijan
  9. National Nuclear Research Center, Azerbaijan
  10. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brazil
  11. Universidade Federal do Rio Grande do Sul (UFRGS), Brazil
  12. Financiadora de Estudos e Projetos (Finep), Brazil
  13. Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), Brazil
  14. Ministry of Science and Technology of China (MSTC), China
  15. National Natural Science Foundation of China (NSFC), China
  16. Ministry of Education of China (MOEC), China
  17. Ministry of Science, Education and Sport, Croatia
  18. Croatian Science Foundation, Croatia
  19. Ministry of Education, Youth and Sports of the Czech Republic, Czech Republic
  20. Danish Council for Independent Research\Natural Sciences, Denmark
  21. Carlsberg Foundation, Denmark
  22. Danish National Research Foundation (DNRF), Denmark
  23. Helsinki Institute of Physics (HIP), Finland
  24. Commissariat a l'Energie Atomique (CEA), France
  25. Institut National de Physique Nucleaire et de Physique des Particules (IN2P3), France
  26. Centre National de la Recherche Scientifique (CNRS), France
  27. Bundesministerium fur Bildung, Wissenschaft, Forschung und Technologie (BMBF), Germany
  28. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Germany
  29. Ministry of Education, Research and Religious Affairs, Greece
  30. National Research, Development and Innovation Office, Hungary
  31. Department of Atomic Energy Government of India (DAE), New Delhi, India
  32. Council of Scientific and Industrial Research (CSIR), New Delhi, India
  33. Indonesian Institute of Science, Indonesia
  34. Centro Fermi-Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Italy
  35. Istituto Nazionale di Fisica Nucleare (INFN), Italy
  36. Institute for Innovative Science and Technology, Japan
  37. Nagasaki Institute of Applied Science (IIST), Japan
  38. Japan Society for the Promotion of Science (JSPS) KAKENHI, Japan
  39. Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japa
  40. Consejo Nacional de Ciencia (CONACYT) y Tecnologia, through Fondo de Cooperacion Internacional en Ciencia y Tecnologia (FONCICYT), Mexico
  41. Direccion General de Asuntos del Personal Academico (DGAPA), Mexico
  42. Nationaal instituut voor subatomaire fysica (Nikhef), Netherlands
  43. Research Council of Norway, Norway
  44. Commission on Science and Technology for Sustainable Development in the South (COMSATS), Pakistan
  45. Pontificia Universidad Catolica del Peru, Peru
  46. Ministry of Science and Higher Education, Poland
  47. National Science Centre, Poland
  48. Korea Institute of Science and Technology Information, Republic of Korea
  49. National Research Foundation of Korea (NRF), Republic of Korea
  50. Ministry of Education and Scientific Research, Romania
  51. Institute of Atomic Physics, Romania
  52. Romanian National Agency for Science, Technology and Innovation, Romania
  53. Joint Institute for Nuclear Research (JINR), Russia
  54. Ministry of Education and Science of the Russian Federation, Russia
  55. National Research Centre Kurchatov Institute, Russia
  56. Ministry of Education, Science, Research and Sport of the Slovak Republic, Slovakia
  57. National Research Foundation of South Africa, South Africa
  58. Centro de Aplicaciones Tecnologicas y Desarrollo Nuclear (CEADEN), Cubaenergia, Cuba, Spain
  59. Ministerio de Ciencia e Innovacion, Spain
  60. Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas (CIEMAT), Spain
  61. Swedish Research Council (VR), Sweden
  62. Knut and Alice Wallenberg Foundation (KAW), Sweden
  63. European Organization for Nuclear Research, Switzerland
  64. National Science and Technology Development Agency (NSDTA), Thailand
  65. Suranaree University of Technology (SUT), Thailand
  66. Office of the Higher Education Commission under NRU project of Thailand, Thailand
  67. Turkish Atomic Energy Agency (TAEK), Turkey
  68. National Academy of Sciences of Ukraine, Ukraine
  69. Science and Technology Facilities Council (STFC), UK
  70. National Science Foundation of the United States of America (NSF), USA
  71. United States Department of Energy, Office of Nuclear Physics (DOE NP), USA
  72. STFC [1657698, ALICE, 2014 STFC Nuclear Physics CG, ST/M00158X/1, ST/M001601/1, ST/M00340X/1, ST/P005438/1, ST/M001598/1, ST/L005670/1, ST/L005751/1, ST/N00261X/1, ST/P004598/1, 2017 STFC Nuclear Physics CG, ST/J000108/1] Funding Source: UKRI
  73. Science and Technology Facilities Council [ST/P004598/1, ST/M00158X/1, ST/J000108/1, 1657698, ST/L005670/1, ALICE, 1523365, ST/P005438/1, ST/L005751/1, 2017 STFC Nuclear Physics CG, ST/M001598/1, ST/N00261X/1, ST/M001601/1, ST/M00340X/1, 2014 STFC Nuclear Physics CG] Funding Source: researchfish
  74. Grants-in-Aid for Scientific Research [17H01122] Funding Source: KAKEN

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The production cross sections for prompt charmed mesons D-0, D+, D*(+) and D-s(+) were measured at mid-rapidity in proton-proton collisions at a centre-of-mass energy root s = 7 TeV with the ALICE detector at the Large Hadron Collider (LHC). D mesons were reconstructed from their decays D-0 -> K-pi(+), D+ -> K- pi(+)pi(+), D*(+) -> D-0 pi(+), D-s(+) -> phi pi(+) -> K-K+pi(+), and their charge conjugates. With respect to previous measurements in the same rapidity region, the coverage in transverse momentum (p(T)) is extended and the uncertainties are reduced by a factor of about two. The accuracy on the estimated total c (c) over bar production cross section is likewise improved. The measured p(T)-differential cross sections are compared with the results of three perturbative QCD calculations.

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