Measurements of transverse energy flow in deep-inelastic scattering at HERA

被引:27
作者
Adloff, C [1 ]
Andreev, V
Andrieu, B
Arkadov, V
Astvatsatourov, A
Ayyaz, I
Babaev, A
Bähr, J
Baranov, P
Barrelet, E
Bartel, W
Bassler, U
Bate, P
Beglarian, A
Behnke, O
Behrend, HJ
Beier, C
Belousov, A
Berger, C
Bernardi, G
Berndt, T
Bertrand-Coremans, G
Biddulph, P
Bizot, JC
Boudry, V
Braunschweig, W
Brisson, V
Bröker, HB
Brown, DP
Brückner, W
Bruel, P
Bruncko, D
Bürger, J
Büsser, FW
Bunyatyan, A
Burke, S
Burrage, A
Buschhorn, G
Calvet, D
Campbell, AJ
Carli, T
Chabert, E
Charlet, M
Clarke, D
Clerbaux, B
Contreras, JG
Cormack, C
Coughlan, JA
Cousinou, MC
Cox, BE
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 3, D-5100 Aachen, Germany
[4] Univ Birmingham, Sch Phys & Space Res, Birmingham B15 2TT, W Midlands, England
[5] Univ Instelling Antwerp, B-2610 Antwerp, Belgium
[6] ULB VUB, Interuniv Inst High Energies, 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] CEA Saclay, DAPNIA, DSM, F-91191 Gif Sur Yvette, France
[12] DESY, D-2000 Hamburg, Germany
[13] Univ Hamburg, Inst Expt Phys 2, D-2000 Hamburg, Germany
[14] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[15] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany
[16] Heidelberg Univ, Inst Hochenergirphys, 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 & Astron, Manchester, Lancs, England
[24] Univ Aix Marseille 3, CPPM, IN2P3, CNRS, 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, LPNHE, IN2P3, CNRS, Palaiseau, France
[30] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[31] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France
[32] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic
[33] Charles Univ Prague, Nucl Ctr, Prague, Czech Republic
[34] Univ Roma 3, INFN Roma 1, Rome, Italy
[35] Univ Roma 3, Dipartimento Fis, Rome, Italy
[36] Paul Scherrer Inst, Villigen, Switzerland
[37] Berg Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[38] DESY, Zeuthen, Germany
[39] Swiss Fed Inst Technol, Inst Teilchenphys, Zurich, Switzerland
[40] Univ Zurich, Inst Phys, Zurich, Switzerland
[41] Humboldt Univ, Inst Phys, Berlin, Germany
[42] Berg Univ Wuppertal, Rech Zentrum, Wuppertal, Germany
[43] Yerevan Phys Inst, Yerevan 375036, Armenia
[44] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany
[45] CINVESTAV, Dept Fis Aplicada, Merida, Yucatan, Mexico
[46] Safarik Univ, Kosice 04154, Slovakia
来源
EUROPEAN PHYSICAL JOURNAL C | 2000年 / 12卷 / 04期
关键词
D O I
10.1007/s100520000287
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
Measurements of transverse energy flow are presented for neutral current deep-inelastic scattering events produced in positron-proton collisions at HERA. the kinematic range covers squared momentum transfers Q(2) from 3.2 to 2 200 GeV2. the Bjorken scaling variable x from 8 . 10(-5) to 0.11 and the hadronic mass W from 66 to 233 GeV. The transverse energy flow is measured in the hadronic centre of mass frame and is studied as a function of Q(2). x, W and pseudorapidity. A comparison is made with QCD-based models. The behaviour of the mean transverse energy in tbe central pseudorapidity region and an interval corresponding to the photon fragmentation region are analysed as a function of Q(2) and W.
引用
收藏
页码:595 / 607
页数:13
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