Measurement of inclusive jet cross sections in photoproduction at HERA

被引:22
作者
Adloff, C [1 ]
Andreev, V
Andrieu, B
Anthonis, T
Astvatsatourov, A
Babaev, A
Bähr, J
Baranov, P
Barrelet, E
Bartel, W
Baumgartner, S
Becker, J
Beckingham, M
Beglarian, A
Behnke, O
Belousov, A
Berger, C
Berndt, T
Bizot, JC
Böhme, J
Boudry, V
Braunschweig, W
Brisson, V
Bröker, HB
Brown, DP
Bruncko, D
Büsser, FW
Bunyatyan, A
Burrage, A
Buschhorn, G
Bystritskaya, L
Campbell, AJ
Caron, S
Cassol-Brunner, F
Chekelian, V
Clarke, D
Collard, C
Contreras, JG
Coppens, YR
Coughlan, JA
Cousinou, MC
Cox, BE
Cozzika, G
Cvach, J
Dainton, JB
Dau, WD
Daum, K
Davidsson, M
Delcourt, B
Delerue, N
机构
[1] Berg Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[2] Rhein Westfal TH Aachen, Inst Phys 1, D-5100 Aachen, Germany
[3] Rhein Westfal TH Aachen, Inst Phys 2, D-5100 Aachen, Germany
[4] Univ Birmingham, Sch Phys & Space Res, Birmingham B15 2TT, W Midlands, England
[5] Univ Antwerpen UIA, Antwerp, Belgium
[6] Interuniv Inst High Energies ULB VUB, Brussels, Belgium
[7] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[8] Inst Nucl Phys, Krakow, Poland
[9] Univ Dortmund, Inst Phys, D-4600 Dortmund, Germany
[10] Joint Inst Nucl Res, Dubna, Russia
[11] Ctr Etud Saclay, CEA, DSM, DAPNIA, F-91191 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, Kirchhoff Inst Phys, Heidelberg, Germany
[16] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany
[17] Univ Kiel, Inst Expt & Angew Phys, Kiel, Germany
[18] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia
[19] Univ Lancaster, Sch Phys & Chem, Lancaster, England
[20] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England
[21] Queen Mary Univ London, London E1 4NS, England
[22] Lund Univ, Dept Phys, Lund, Sweden
[23] Univ Manchester, Dept Phys, Manchester M13 9PL, Lancs, England
[24] Univ Mediterranee, CPPM, CNRS, IN2P3, Marseille, France
[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, LAL, IN2P3, CNRS, Orsay, France
[29] Ecole Polytech, CNRS, IN2P3, LPNHE, F-91128 Palaiseau, France
[30] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[31] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France
[32] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
[33] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic
[34] Univ Roma Tre, Dipartimento Fis, Rome, Italy
[35] INFN Roma 3, Rome, Italy
[36] Paul Scherrer Inst, Villigen, Switzerland
[37] Berg Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[38] Yerevan Phys Inst, Yerevan 375036, Armenia
[39] DESY, Zeuthen, Germany
[40] ETH, Inst Teilchenphys, Zurich, Switzerland
[41] Univ Zurich, Inst Phys, Zurich, Switzerland
[42] Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece
[43] Berg Univ Wuppertal, Rech Zentrum, D-42097 Wuppertal, Germany
[44] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany
[45] CINVESTAV, Dept Fis Aplicada, Merida, Yucatan, Mexico
[46] Safarik Univ, Kosice, Slovakia
[47] CERN, Geneva, Switzerland
[48] CINVESTAV, Dept Fis, Mexico City 14000, DF, Mexico
来源
EUROPEAN PHYSICAL JOURNAL C | 2003年 / 29卷 / 04期
关键词
D O I
10.1140/epjc/s2003-01262-9
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 jet cross sections are measured in photoproduction at HERA using the H1 detector. The data sample of e(+)p --> e(+) + jet + X events in the kinematic range of photon virtualities Q(2) less than or equal to 1GeV(2) and photon-proton centre-of-mass energies 95 less than or equal to W-gammap less than or equal to 285GeV represents an integrated luminosity of 24.1pb(-1). Jets are defined using the inclusive k(perpendicular to) algorithm. Single- and multi-differential cross sections are measured as functions of jet transverse energy E-T(jet) and pseudorapidity eta(jet) in the domain 5 less than or equal to E-T(jet) less than or equal to 75GeV and -1 less than or equal to eta(jet) less than or equal to 2.5. The cross sections are found to be in good agreement with next-to-leading order perturbative QCD calculations corrected for fragmentation and underlying event effects. The cross section differential in E-T(jet), which varies by six orders of magnitude over the measured range, is compared with similar distributions from p (p) over bar colliders at equal and higher energies.
引用
收藏
页码:497 / 513
页数:17
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