Measurement of inclusive jet cross-sections in deep-inelastic ep scattering at HERA

被引：44

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

Beier, C

Belousov, A

Berger, C

Berndt, T

Bizot, JC

Böhme, J

Boudry, V

Braunschweig, W

Brisson, V

Bröker, HB

Brown, DP

Brückner, W

Bruncko, D

Büsser, FW

Bunyatyan, A

Burrage, A

Buschhorn, G

Bystritskaya, L

Campbell, AJ

Carli, T

Caron, S

Cassol-Brunner, F

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

机构：

[1] Berg Univ Gesamthsch Wuppertal, Fachbereich Phys, D-42097 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 Antwerp, B-2020 Antwerp, Belgium

[6] Inter Univ 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] CE Saclay, CEA, DSM, DAPNIA, Gif Sur Yvette, France

[12] DESY, D-2000 Hamburg, Germany

[13] Univ Hamburg, Inst Phys Expt, Hamburg, Germany

[14] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[15] Univ Heidelberg, Inst Phys, Heidelberg, Germany

[16] Univ Kiel, Inst Expt & Angew Phys, Kiel, Germany

[17] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia

[18] Univ Lancaster, Sch Phys & Chem, Lancaster, England

[19] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England

[20] Univ London Queen Mary & Westfield Coll, London E1 4NS, England

[21] Lund Univ, Dept Phys, Lund, Sweden

[22] Univ Manchester, Dept Phys, Manchester, Lancs, England

[23] Univ Mediterranee, CNRS, IN2P3, CPPM, Marseille, France

[24] Inst Theoret & Expt Phys, Moscow 117259, Russia

[25] PN Lebedev Phys Inst, Moscow 117924, Russia

[26] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[27] Univ Paris 11, LAL, CNRS, IN2P3, Orsay, France

[28] Ecole Polytech, CNRS, IN2P3, LPHNE, F-91128 Palaiseau, France

[29] Univ Paris 06, LPNHE, Paris, France

[30] Univ Paris 07, CNRS, IN2P3, Paris, France

[31] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic

[32] Charles Univ, Fac Math & Phys, Prague, Czech Republic

[33] Univ Roma Tre, Dipartimento Fis, Rome, Italy

[34] INFN Roma 3, Rome, Italy

[35] Paul Scherrer Inst, Villigen, Switzerland

[36] Yerevan Phys Inst, Yerevan 375036, Armenia

[37] DESY, Zeuthen, Germany

[38] Swiss Fed Inst Technol, Inst Teilchenphys, Zurich, Switzerland

[39] Univ Zurich, Inst Phys, Zurich, Switzerland

[40] Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece

[41] Berg Univ Gesamthsch Wuppertal, Rechenzentrum, Wuppertal, Germany

[42] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany

[43] CINVESTAV, Dept Fis Ap, Merida, Yucatan, Mexico

[44] Univ PJ Safarik, Kosice, Slovakia

[45] CERN, Geneva, Switzerland

[46] CINVESTAV, Dept Fis, Mexico City 14000, DF, Mexico

来源：

PHYSICS LETTERS B | 2002年 / 542卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(02)02375-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A measurement of inclusive jet cross-sections in deep-inelastic ep scattering at HERA is presented based on data with an integrated luminosity of 21.1 pb(-1). The measurement is performed for photon virtualities Q(2) between 5 and 100 GeV2, differentially in Q(2), in the jet transverse energy E-T, in E-T(2)/Q(2) and in the pseudorapidity eta(lab). With the renormalization scale mu(R) = E-T, perturbative QCD calculations in next-to-leading order (NLO) give a good description of the data in most of the phase space. Significant discrepancies are observed only for jets in the proton beam direction with ET below 20 GeV and Q2 below 20 GeV2. This corresponds to the region in which NLO corrections are largest and further improvement of the calculations is thus of particular interest. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：193 / 206

页数：14

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