Dijet cross sections in photoproduction at HERA

被引：0

作者：

Breitweg J. ^{[1
]}

Derrick M. ^{[1
]}

Krakauer D. ^{[1
]}

Magill S. ^{[1
]}

Mikunas D. ^{[1
]}

Musgrave B. ^{[1
]}

Repond J. ^{[1
]}

Stanek R. ^{[1
]}

Talaga R.L. ^{[1
]}

Yoshida R. ^{[1
]}

Zhang H. ^{[1
]}

Mattingly M.C.K. ^{[2
]}

Anselmo F. ^{[3
]}

Antonioli P. ^{[3
]}

Bari G. ^{[3
]}

Basile M. ^{[3
]}

Bellagamba L. ^{[3
]}

Boscherini D. ^{[3
]}

Bruni A. ^{[3
]}

Bruni G. ^{[3
]}

Cara Romeo G. ^{[3
]}

Castellini G. ^{[3
,53
]}

Cifarelli L. ^{[3
,54
]}

Cindolo F. ^{[3
]}

Contin A. ^{[3
]}

Corradi M. ^{[3
]}

de Pasquale S. ^{[3
]}

Gialas I. ^{[3
,55
]}

Giusti P. ^{[3
]}

Iacobucci G. ^{[3
]}

Laurenti G. ^{[3
]}

Levi G. ^{[3
]}

Margotti A. ^{[3
]}

Massam T. ^{[3
]}

Nania R. ^{[3
]}

Palmonari F. ^{[3
]}

Pesci A. ^{[3
]}

Polini A. ^{[3
]}

Ricci F. ^{[3
]}

Sartorelli G. ^{[3
]}

Zamora Garcia Y. ^{[3
]}

Zichichi A. ^{[3
]}

Amelung C. ^{[4
]}

Bornheim A. ^{[4
]}

Brock I. ^{[4
]}

Coböken K. ^{[4
]}

Crittenden J. ^{[4
]}

Deffner R. ^{[4
]}

Eckert M. ^{[4
]}

Feld L. ^{[4
,56
]}

机构：

[1] Argonne National Laboratory, Argonne, IL

[2] Andrews University, Berrien Springs, MI

[3] University and INFN Bologna, Bologna

[4] Physikalisches Institut der Universität Bonn, Bonn

[5] H. H. Wills Physics Laboratory, University of Bristol, Bristol

[6] Calabria University, Physics Department and INFN, Cosenza

[7] Chonnam National University, Kwangju

[8] Columbia University, Nevis Labs., Irvington on Hudson, N.Y.

[9] Institute of Nuclear Physics, Cracow

[10] Faculty of Physics and Nuclear Techniques, Academy of Mining and Metallurgy, Cracow

[11] Jagellonian Univ., Department of Physics, Cracow

[12] Deutsches Elektronen-Synchrotron DESY, Hamburg

[13] DESY-IfH Zeuthen, Zeuthen

[14] University and INFN, Florence

[15] INFN, Laboratori Nazionali di Frascati, Frascati

[16] Department of Physics and Astronomy, University of Glasgow, Glasgow

[17] Hamburg University, I. Institute of Experimental Physics, Hamburg

[18] Hamburg University, II. Institute of Experimental Physics, Hamburg

[19] Imperial College London, High Energy Nuclear Physics Group, London

[20] University of Iowa, Physics and Astronomy Department, Iowa City

[21] Forschungszentrum Jülich, Institut für Kernphysik, Julich

[22] Institute of Particle and Nuclear Studies, KEK, Tsukuba

[23] Korea University, Seoul

[24] Universidad Autónoma Madrid, Depto de Física Teórica, Madrid

[25] McGill University, Department of Physics, Montreal, QC

[26] Meiji Gakuin University, Faculty of General Education, Yokohama

[27] Moscow Engineering Physics Institute, Moscow

[28] Moscow State University, Institute of Nuclear Physics, Moscow

[29] NIKHEF and University of Amsterdam, Amsterdam

[30] Ohio State University, Physics Department, Columbus, OH

[31] Department of Physics, University of Oxford, Oxford

[32] Dipartimento di Fisica dell'Università and INFN, Padova

[33] Pennsylvania State University, Department of Physics, University Park, PA

[34] Polytechnic University, Sagamihara

[35] Dipartimento di Fisica, Università 'La Sapienza' and INFN, Rome

[36] Rutherford Appleton Laboratory, Chilton, Didcot, Oxon

[37] University of California, Santa Cruz, CA

[38] Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel-Aviv University, Tel-Aviv

[39] Department of Physics, University of Tokyo, Tokyo

[40] Tokyo Metropolitan University, Department of Physics, Tokyo

[41] Università di Torino, Dipartimento di Fisica Sperimentale and INFN, Torino

[42] II Faculty of Sciences, Torino University and INFN, Alessandria

[43] University of Toronto, Department of Physics, Toronto, ON

[44] University College London, Physics and Astronomy Department, London

[45] Warsaw University, Institute of Experimental Physics, Warsaw

[46] Institute for Nuclear Studies, Warsaw

[47] Weizmann Institute, Department of Particle Physics, Rehovot

[48] University of Wisconsin, Department of Physics, Madison, WI

[49] Yale University, Department of Physics, New Haven, CT

[50] York University, Department of Physics, North York, ON

来源：

The European Physical Journal C | 1998年 / 1卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

Monte Carlo; Parton Distribution; Transverse Energy; ZEUS Collaboration; Calorimeter Cell;

D O I：

10.1007/BF01245801

中图分类号：

学科分类号：

摘要：

Dijet cross sections are presented using photoproduction data obtained with the ZEUS detector during 1994. These measurements represent an extension of previous results, as the higher statistics allow cross sections to be measured at higher jet transverse energy (ETjet). Jets are identified in the hadronic final state using three different algorithms, and the cross sections compared to complete next-to-leading order QCD calculations. Agreement with these calculations is seen for the pseudorapidity dependence of the direct photon events with ETjet > 6 GeV and of the resolved photon events with ETjet > 11 GeV. Calculated cross sections for resolved photon processes with 6 GeV < ETjet < 11 GeV lie below the data.

引用

页码：109 / 122

页数：13

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