Inclusive deep inelastic scattering at high Q2 with longitudinally polarised lepton beams at HERA

被引:80
作者
Aaron, F. D. [1 ,47 ]
Alexa, C. [1 ]
Andreev, V. [26 ]
Backovic, S. [31 ]
Baghdasaryan, A. [40 ]
Baghdasaryan, S. [40 ]
Barrelet, E. [30 ]
Bartel, W. [12 ]
Begzsuren, K. [37 ]
Belousov, A. [26 ]
Belov, P. [12 ]
Bizot, J. C. [28 ]
Boudry, V. [29 ]
Bozovic-Jelisavcic, I. [3 ]
Bracinik, J. [4 ]
Brandt, G. [12 ]
Brinkmann, M. [12 ]
Brisson, V. [28 ]
Britzger, D. [12 ]
Bruncko, D. [17 ]
Bunyatyan, A. [14 ,40 ]
Bylinkin, A. [25 ]
Bystritskaya, L. [25 ]
Campbell, A. J. [12 ]
Cantun Avila, K. B. [23 ]
Ceccopieri, F. [5 ,6 ]
Cerny, K. [33 ]
Cerny, V. [17 ]
Chekelian, V. [27 ]
Contreras, J. G. [23 ]
Coughlan, J. A. [7 ]
Cvach, J. [32 ]
Dainton, J. B. [19 ]
Daum, K. [39 ,44 ]
Delcourt, B. [28 ]
Delvax, J. [5 ,6 ]
De Wolf, E. A. [5 ,6 ]
Diaconu, C. [22 ]
Dobre, M. [13 ]
Dodonov, V. [14 ]
Dossanov, A. [13 ,27 ]
Dubak, A. [31 ]
Eckerlin, G. [12 ]
Egli, S. [38 ]
Eliseev, A. [26 ]
Elsen, E. [12 ]
Favart, L. [5 ,6 ]
Fedotov, A. [25 ]
Felst, R. [12 ]
Feltesse, J. [11 ]
机构
[1] Natl Inst Phys & Nucl Engn NIPNE, Bucharest, Romania
[2] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany
[3] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade 1100, Serbia
[4] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England
[5] Univ Antwerp, B-2020 Antwerp, Belgium
[6] Interuniv Inst High Energies ULB VUB, Brussels, Belgium
[7] Rutherford Appleton Lab, STFC, Didcot OX11 0QX, Oxon, England
[8] Inst Nucl Phys, Krakow, Poland
[9] TU Dortmund, Inst Phys, Dortmund, Germany
[10] Joint Inst Nucl Res, Dubna, Russia
[11] CE Saclay, CEA, DSM Irfu, Gif Sur Yvette, France
[12] DESY, D-2000 Hamburg, Germany
[13] Univ Hamburg, Inst Expt Phys, Hamburg, Germany
[14] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[15] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany
[16] Heidelberg Univ, Kirchhoff Inst Phys, 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, Sch Phys & Astron, London, England
[21] Lund Univ, Dept Phys, Lund, Sweden
[22] Aix Marseille Univ, CNRS IN2P3, CPPM, F-13288 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, Orsay, France
[29] Ecole Polytech, CNRS IN2P3, LLR, Palaiseau, France
[30] Univ Paris 07, CNRS IN2P3, Univ Paris 06, LPNHE, Paris, France
[31] Univ Montenegro, Fac Sci, Podgorica, Montenegro
[32] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
[33] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic
[34] INFN Roma 3, Rome, Italy
[35] Univ Roma Tre, Dipartimento Fis, Rome, Italy
[36] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria
[37] Mongolian Acad Sci, Inst Phys & Technol, Ulaanbaatar, Mongolia
[38] Paul Scherrer Inst, Villigen, Switzerland
[39] Univ Wuppertal, Fachbereich C, Wuppertal, Germany
[40] Yerevan Phys Inst, Yerevan 375036, Armenia
[41] DESY, Zeuthen, Germany
[42] ETH, Inst Teilchenphys, Zurich, Switzerland
[43] Univ Zurich, Inst Phys, Zurich, Switzerland
[44] Univ Wuppertal, Rechenzentrum, Wuppertal, Germany
[45] Univ Lyon 1, CNRS IN2P3, IPNL, F-69622 Villeurbanne, France
[46] CERN, Geneva, Switzerland
[47] Univ Bucharest, Fac Phys, Bucharest, Romania
[48] Ulaanbaatar Univ, Ulaanbaatar, Mongolia
[49] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada
[50] Univ Savoie, CNRS IN2P3, LAPP, Annecy Le Vieux, France
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 09期
基金
瑞士国家科学基金会; 俄罗斯基础研究基金会; 英国科学技术设施理事会;
关键词
Lepton-Nucleon Scattering; CURRENT CROSS-SECTIONS; LIQUID ARGON CALORIMETER; EP SCATTERING; LOW X; KINEMATIC RECONSTRUCTION; PARTON DISTRIBUTIONS; PROTON COLLISIONS; QCD; NUCLEON; CALIBRATION;
D O I
10.1007/JHEP09(2012)061
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Inclusive e(+/-)p single and double differential cross sections for neutral and charged current deep inelastic scattering processes are measured with the H1 detector at HERA. The data were taken at a centre-of-mass energy of root s = 319 GeV with a total integrated luminosity of 333.7 pb(-1) shared between two lepton beam charges and two longitudinal lepton polarisation modes. The differential cross sections are measured in the range of negative four-momentum transfer squared, Q(2), between 60 and 50 000GeV(2), and Bjorken x between 0.0008 and 0.65. The measurements are combined with earlier published unpolarised H1 data to improve statistical precision and used to determine the structure function xF(3)(gamma Z). A measurement of the neutral current parity violating structure function F-2(gamma Z) is presented for the first time. The polarisation dependence of the charged current total cross section is also measured. The new measurements are well described by a next-to-leading order QCD fit based on all published H1 inclusive cross section data which are used to extract the parton distribution functions of the proton.
引用
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页数:125
相关论文
共 31 条
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PHYSICAL REVIEW LETTERS, 2012, 108 (05)