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Measurement of Dijet Electroproduction at Small Jet Separation

C. Adloff V. Andreev B. Andrieu 1 T. Anthonis V. Arkadov A. Astvatsatourov A. Babaev J. Bahr P. Baranov E. Barrelet 2 W. Bartel P. Bate A. Beglarian O. Behnke C. Beier A. Belousov T. Benisch C. Berger T. Berndt J.C. Bizot 3 V. Boudry 1 W. Braunschweig V. Brisson 3 H.B. Broker D.P. Brown W. Bruckner D. Bruncko J. Burger F.W. Busser A. Bunyatyan A. Burrage G. Buschhorn L. Bystritskaya A.J. Campbell J. Cao 3 S. Caron D. Clarke B. Clerbaux 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 Y.H. Fleming G. Flugge A. Fomenko I. Foresti J. Formanek J.M. Foster G. Franke E. Gabathuler K. Gabathuler J. Garvey J. Gassner J. Gayler R. Gerhards C. Gerlich S. Ghazaryan L. Goerlich N. Gogitidze M. Goldberg C. Grab H. Grassler T. Greenshaw G. Grindhammer T. Hadig D. Haidt L. Hajduk 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 S. Hurling M. Ibbotson C. Issever 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 H.K. Kastli 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 H. Krehbiel J. Kroseberg K. Kruger A. Kupper T. Kuhr T. Kurca R. Lahmann D. Lamb M.P.J. Landon W. Lange T. Lastovicka P. Laycock E. Lebailly 3 A. Lebedev B. Leissner R. Lemrani V. Lendermann S. Levonian 1 M. Lindstroem B. List E. Lobodzinska B. Lobodzinski A. Loginov N. Loktionova V. Lubimov S. Luders D. Luke L. Lytkin H. Mahlke-Kruger N. Malden E. Malinovski I. Malinovski 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 1 P.O. Meyer S. Mikocki D. Milstead T. Mkrtchyan R. Mohr S. Mohrdieck M.N. Mondragon F. Moreau 1 A. Morozov J.V. Morris K. Muller P. Murin V. Nagovizin B. Naroska J. Naumann T. Naumann G. Nellen P.R. Newman T.C. Nicholls 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 J.P. Phillips D. Pitzl R. Poschl 3 I. Potachnikova B. Povh K. Rabbertz G. Radel J. Rauschenberger P. Reimer B. Reisert D. Reyna C. Risler E. Rizvi P. Robmann R. Roosen A. Rostovtsev S. Rusakov K. Rybicki D.P.C. Sankey J. Scheins F.P. Schilling P. Schleper D. Schmidt S. Schmidt S. Schmitt M. Schneider 4 L. Schoeffel A. Schoning T. Schorner V. Schroder H.C. Schultz-Coulon C. Schwanenberger K. Sedlak F. Sefkow V. Shekelyan I. Sheviakov L.N. Shtarkov Y. Sirois 1 T. Sloan P. Smirnov Y. Soloviev D. South V. Spaskov A. Specka 1 H. Spitzer R. Stamen B. Stella J. Stiewe U. Straumann M. Swart M. Tasevsky V. Chernyshov S. Chetchelnitski G. Thompson P.D. Thompson N. Tobien D. Traynor P. Truol G. Tsipolitis I. Tsurin J. Turnau J.E. Turney E. Tzamariudaki S. Udluft Martin Urban A. Usik S. Valkar A. Valkarova C. Vallee 4 P. Mechelen S. Vassiliev Van Y. Vazdik A. Vichnevski K. Wacker R. Wallny B. Waugh G. Weber M. Weber D. Wegener C. Werner M. Werner N. Werner G. White S. Wiesand T. Wilksen M. Winde G.G. Winter C. Wissing M. Wobisch E. Wunsch A.C. Wyatt J. Zacek J. Zalesak Zhiqing Zhang 3 A. Zhokin F. Zomer 3 J. Zsembery M. Zur Nedden
Abstract : Deep-inelastic scattering data in the range 150 < Q^2 < 35000 GeV^2 are used to investigate the minimum jet separation necessary to allow accurate description of the rate of dijet production using next-to-leading order perturbative QCD calculations. The required jet separation is found to be small, allowing about 1/3 of DIS data to be classified as dijet, as opposed to approximately 1/10 with more typical jet analyses. A number of precision measurements made using this dijet sample are well described by the calculations. The data are also described by the combination of leading order matrix elements and parton showers, as implemented in the QCD based Monte Carlo model RAPGAP.
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Submitted on : Tuesday, June 25, 2002 - 4:36:38 PM
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C. Adloff, V. Andreev, B. Andrieu, T. Anthonis, V. Arkadov, et al.. Measurement of Dijet Electroproduction at Small Jet Separation. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2002, 24, pp.33-41. ⟨in2p3-00011706⟩

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