Measurement of the D*± meson production cross section and F2c(c)over-bar at high Q2 in ep scattering at HERA

被引:25
作者
Aaron, F. D. [7 ,50 ]
Alexa, C. [7 ]
Alimujiang, K. [1 ]
Andreev, V. [26 ]
Antunovic, B. [1 ]
Backovic, S. [32 ]
Baghdasaryan, A. [41 ]
Barrelet, E. [30 ,31 ]
Bartel, W. [1 ]
Begzsuren, K. [38 ]
Belousov, A. [26 ]
Bizot, J. C. [28 ]
Boudry, V. [29 ]
Bozovic-Jelisavcic, I. [3 ]
Bracinik, J. [4 ]
Brandt, G. [1 ]
Brinkmann, M. [13 ]
Brisson, V. [28 ]
Bruncko, D. [17 ]
Bunyatyan, A. [14 ,41 ]
Buschhorn, G. [27 ]
Bystritskaya, L. [25 ]
Campbell, A. J. [1 ]
Cantun Avila, K. B. [23 ]
Cerny, K. [34 ]
Cerny, V. [17 ,49 ]
Chekelian, V. [27 ]
Cholewa, A. [1 ]
Contreras, J. G. [23 ]
Coughlan, J. A. [8 ]
Cozzika, G. [12 ]
Cvach, J. [33 ]
Dainton, J. B. [19 ]
Daum, K. [40 ,46 ]
Deak, M. [1 ]
Delcourt, B. [28 ]
Delvax, J. [5 ,6 ]
De Wolf, E. A. [5 ,6 ]
Diaconu, C. [22 ]
Dodonov, V. [14 ]
Dossanov, A. [27 ]
Dubak, A. [27 ,32 ]
Eckerlin, G. [1 ]
Efremenko, V. [25 ]
Egli, S. [39 ]
Eliseev, A. [26 ]
Elsen, E. [1 ]
Falkiewicz, A. [9 ]
Favart, L. [5 ,6 ]
Fedotov, A. [25 ]
机构
[1] DESY, D-2000 Hamburg, Germany
[2] Rhein Westfal TH Aachen, Inst Phys 1, D-5100 Aachen, Germany
[3] Vinca Inst Nucl Sci, Belgrade, Serbia
[4] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England
[5] Interuniv Inst High Energies ULR VUB, Brussels, Belgium
[6] Univ Antwerp, B-2020 Antwerp, Belgium
[7] NIPNE, Bucharest, Romania
[8] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[9] Inst Nucl Phys, Krakow, Poland
[10] TU Dortmund, Inst Phys, Dortmund, Germany
[11] Joint Inst Nucl Res, Dubna, Russia
[12] CE Saclay, CEA, DSM Irfu, Gif Sur Yvette, France
[13] Univ Hamburg, Inst Expt Phys, Hamburg, Germany
[14] Max Planck Inst Kernphys, Heidelberg, Germany
[15] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany
[16] Heidelberg Univ, Kirchhoff Inst Phys, D-6900 Heidelberg, Germany
[17] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia
[18] Univ Lancaster, Dept Phys, Lancaster, England
[19] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England
[20] Queen Mary Univ London, London E1 4NS, England
[21] Lund Univ, Dept Phys, Lund, Sweden
[22] Univ Mediterranee, CPPM, CNRS, IN2P3, Marseille, France
[23] CINVESTAV, Dept Fis Aplicada, Merida, Yucatan, Mexico
[24] CINVESTAV IPN, Dept Fis, Mexico City, DF, Mexico
[25] Inst Theoret & Expt Phys, Moscow 117259, Russia
[26] PN Lebedev Phys Inst, Moscow 117924, Russia
[27] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[28] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France
[29] Ecole Polytech, CNRS, IN2P3, LLR, F-91128 Palaiseau, France
[30] Univ Paris 06, LPNHE, Paris, France
[31] Univ Paris 07, CNRS, IN2P3, Paris, France
[32] Univ Montenegro, Fac Sci, Podgorica, Montenegro
[33] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
[34] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic
[35] Univ Roma Tre, Dipartimento Fis, Rome, Italy
[36] INFN Roma 3, Rome, Italy
[37] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria
[38] Mongolian Acad Sci, Inst Phys & Technol, Ulaanbaatar, Mongolia
[39] Paul Scherrer Inst, Villigen, Switzerland
[40] Univ Wuppertal, Fachbereich C, Wuppertal, Germany
[41] Yerevan Phys Inst, Yerevan 375036, Armenia
[42] DESY, Zeuthen, Germany
[43] ETH, Inst Teilchenphys, Zurich, Switzerland
[44] Univ Zurich, Inst Phys, Zurich, Switzerland
[45] Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece
[46] Univ Wuppertal, Rechenzentrum, Wuppertal, Germany
[47] Safarik Univ, Kosice, Slovakia
[48] CERN, Geneva, Switzerland
[49] Comenius Univ, Bratislava, Slovakia
[50] Univ Bucharest, Fac Phys, Bucharest, Romania
关键词
DEEP-INELASTIC-SCATTERING; LIQUID ARGON CALORIMETER; FRAGMENTATION FUNCTIONS; D-ASTERISK; KINEMATIC RECONSTRUCTION; QCD COHERENCE; HEAVY QUARKS; DISTRIBUTIONS; ANNIHILATION; PREDICTIONS;
D O I
10.1016/j.physletb.2010.02.024
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The inclusive production of D*(+/-)(2010) mesons in deep-inelastic e(+/-)p scattering is measured in the kinematic region of photon virtuality 100 < Q(2) < 1000 GeV2 and inelasticity 002 < y < 0 7 Single and double differential cross sections for inclusive D* meson production are measured in the visible range defined by vertical bar eta(D*)vertical bar < 1 5 and p(gamma)(D*) > 1 5 GeV The data were collected by the H1 experiment during the period from 2004 to 2007 and correspond to an integrated luminosity of 351 pb(-1) The charm contribution. F-2(c (c) over bar), to the proton structure function F-2 is determined. The measurements are compared with QCD predictions. (C) 2010 Elsevier B V All rights reserved
引用
收藏
页码:91 / 100
页数:10
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