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Measurement of Inclusive Jet Cross-Sections in Deep-Inelastic ep Scattering at HERA

C. Adloff V. Andreev B. Andrieu 1 T. Anthonis A. Astvatsatourov A. Babaev J. Bahr P. Baranov E. Barrelet 2 W. Bartel S. Baumgartner J. Becker M. Beckingham A. Beglarian O. Behnke C. Beier A. Belousov C. Berger T. Berndt J.C. Bizot 3 J. Bohme V. Boudry 1 W. Braunschweig V. Brisson 3 H.B. Broker D.P. Brown W. Bruckner D. Bruncko F.W. Busser A. Bunyatyan A. Burrage G. Buschhorn L. Bystritskaya A.J. Campbell T. Carli S. Caron F. Cassol-Brunner 4 D. Clarke C. Collard J.G. Contreras Y.R. Coppens J.A. Coughlan M.C. Cousinou 4 B.E. Cox G. Cozzika J. Cvach J.B. Dainton W.D. Dau K. Daum M. Davidsson B. Delcourt 3 N. Delerue 4 R. Demirchyan A. de Roeck E.A. de Wolf C. Diaconu 4 J. Dingfelder P. Dixon V. Dodonov J.D. Dowell A. Droutskoi A. Dubak C. Duprel G. Eckerlin D. Eckstein V. Efremenko S. Egli R. Eichler F. Eisele E. Eisenhandler M. Ellerbrock E. Elsen M. Erdmann W. Erdmann P.J.W. Faulkner L. Favart A. Fedotov R. Felst J. Ferencei S. Ferron 1 M. Fleischer P. Fleischmann Y.H. Fleming G. Flugge A. Fomenko I. Foresti J. Formanek G. Franke G. Frising E. Gabathuler K. Gabathuler J. Garvey J. Gassner J. Gayler R. Gerhards C. Gerlich S. Ghazaryan L. Goerlich N. Gogitidze C. Grab V. Grabski H. Grassler T. Greenshaw G. Grindhammer T. Hadig D. Haidt L. Hajduk J. Haller W.J. Haynes B. Heinemann G. Heinzelmann R.C.W. Henderson S. Hengstmann H. Henschel R. Heremans G. Herrera I. Herynek M. Hildebrandt M. Hilgers K.H. Hiller J. Hladky P. Hoting D. Hoffmann 4 R. Horisberger A. Hovhannisyan S. Hurling M. Ibbotson M. Jacquet 3 M. Jaffre 3 L. Janauschek X. Janssen V. Jemanov L. Jonsson C. Johnson D.P. Johnson M.A.S. Jones H. Jung D. Kant M. Kapichine M. Karlsson O. Karschnick F. Keil N. Keller J. Kennedy I.R. Kenyon S. Kermiche 4 C. Kiesling P. Kjellberg M. Klein C. Kleinwort T. Kluge G. Knies B. Koblitz S.D. Kolya V. Korbel P. Kostka S.K. Kotelnikov R. Koutouev A. Koutov J. Kroseberg K. Kruger T. Kuhr T. Kurca D. Lamb M.P.J. Landon W. Lange T. Lastovicka P. Laycock E. Lebailly 3 A. Lebedev B. Leiner R. Lemrani V. Lendermann S. Levonian M. Lindstroem B. List E. Lobodzinska B. Lobodzinski A. Loginov N. Loktionova V. Lubimov S. Luders D. Luke L. Lytkin N. Malden E. Malinovski I. Malinovski S. Mangano R. Maracek P. Marage J. Marks R. Marshall H.U. Martyn J. Martyniak S.J. Maxeld D. Meer A. Mehta K. Meier A.B. Meyer H. Meyer J. Meyer P.O. Meyer S. Mikocki D. Milstead S. Mohrdieck M.N. Mondragon F. Moreau 1 A. Morozov J.V. Morris K. Muller P. Murn V. Nagovizin B. Naroska J. Naumann T. Naumann G. Nellen P.R. Newman F. Niebergall C. Niebuhr O. Nix G. Nowak J.E. Olsson D. Ozerov V. Panassik C. Pascaud 3 G.D. Patel M. Peez 4 Emile Perez A. Petrukhin J.P. Phillips D. Pitzl R. Poschl 3 I. Potachnikova B. Povh G. Radel J. Rauschenberger P. Reimer B. Reisert C. Risler E. Rizvi P. Robmann R. Roosen A. Rostovtsev S. Rusakov K. Rybicki J. Samson D.P.C. Sankey S. Schatzel J. Scheins F.P. Schilling P. Schleper D. Schmidt S. Schmidt S. Schmitt M. Schneider 4 L. Schoeffel A. Schoning T. Schorner-Sadenius V. Schroder H.C. Schultz-Coulon C. Schwanenberger K. Sedlak F. Sefkow V. Shekelyan I. Sheviakov L.N. Shtarkov Y. Sirois T. Sloan P. Smirnov Y. Soloviev D. South V. Spaskov A. Specka 1 H. Spitzer R. Stamen B. Stella J. Stiewe I. Strauch U. Straumann M. Swart S. Tchetchelnitski G. Thompson P.D. Thompson F. Tomasz D. Traynor P. Truol G. Tsipolitis I. Tsurin J. Turnau J.E. Turney E. Tzamariudaki S. Udluft A. Uraev Martin Urban A. Usik S. Valkar A. Valkarova C. Vallee 4 P. van Mechelen S. Vassiliev Y. Vazdik A. Vest A. Vichnevski K. Wacker J. Wagner R. Wallny B. Waugh G. Weber D. Wegener C. Werner N. Werner M. Wessels G. White S. Wiesand T. Wilksen M. Winde G.G. Winter C. Wissing M. Wobisch E.E. Woehrling E. Wunsch A.C. Wyatt J. Zacek J. Zalesak Zhiqing Zhang 3 A. Zhokin F. Zomer 3 M. Adloff. Zur Nedden
Abstract : 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 GeV^2, 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 E_T below 20 GeV and Q^2 below 20 GeV^2. This corresponds to the region in which NLO corrections are largest and further improvement of the calculations is thus of particular interest.
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Submitted on : Monday, September 23, 2002 - 6:09:27 PM
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C. Adloff, V. Andreev, B. Andrieu, T. Anthonis, A. Astvatsatourov, et al.. Measurement of Inclusive Jet Cross-Sections in Deep-Inelastic ep Scattering at HERA. Physics Letters B, Elsevier, 2002, 542, pp.193-206. ⟨in2p3-00011766⟩

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