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Diffractive jet production in deep-inelastic e+p collisions at HERA

  • C. Adloff
  • , V. Andreev
  • , B. Andrieu
  • , T. Anthonis
  • , V. Arkadov
  • , A. Astvatsatourov
  • , I. Ayyaz
  • , A. Babaev
  • , J. Bähr
  • , P. Baranov
  • , E. Barrelet
  • , W. Bartel
  • , P. Bate
  • , A. Beglarian
  • , O. Behnke
  • , C. Beier
  • , A. Belousov
  • , T. Benisch
  • , Ch Berger
  • , T. Berndt
  • J. C. Bizot, V. Boudry, W. Braunschweig, V. Brisson, H. B. Bröker, D. P. Brown, W. Brückner, P. Bruel, D. Bruncko, J. Bürger, F. W. Büsser, A. Bunyatyan, H. Burkhardt, A. Burrage, G. Buschhorn, A. J. Campbell, J. Cao, T. Carli, S. Caron, E. Chabert, D. Clarke, B. Clerbaux, C. Collard, J. G. Contreras, Y. R. Coppens, J. A. Coughlan, M. C. Cousinou, B. E. Cox, G. Cozzika, J. Cvach, J. B. Dainton, W. D. Dau, K. Daum, M. Davidsson, B. Delcourt, N. Delerue, R. Demirchyan, A. De Roeck, E. A. De Wolf, C. Diaconu, P. Dixon, V. Dodonov, J. D. Dowell, A. Droutskoi, 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, M. Fleischer, Y. H. Fleming, G. Flügge, A. Fomenko, I. Foresti, J. Formánek, J. M. Foster, G. Franke, E. Gabathuler, K. Gabathuler, J. Garvey, J. Gassner, J. Gayler, R. Gerhards, S. Ghazaryan, L. Goerlich, N. Gogitidze, M. Goldberg, C. Goodwin, C. Grab, H. Grässler, 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. Hladký, P. Höting, D. Hoffmann, R. Horisberger, S. Hurling, M. Ibbotson, C. Işsever, M. Jacquet, M. Jaffre, L. Janauschek, D. M. Jansen, X. Janssen, V. Jemanov, L. Jönsson, D. P. Johnson, M. A.S. Jones, H. Jung, H. K. Kästli, D. Kant, M. Kapichine, M. Karlsson, O. Karschnick, F. Keil, N. Keller, J. Kennedy, I. R. Kenyon, S. Kermiche, C. Kiesling, P. Kjellberg, M. Klein, C. Kleinwort, G. Knies, B. Koblitz, S. D. Kolya, V. Korbel, P. Kostka, S. K. Kotelnikov, R. Koutouev, A. Koutov, M. W. Krasny, H. Krehbiel, J. Kroseberg, K. Krüger, A. Küpper, T. Kuhr, T. Kurča, R. Lahmann, D. Lamb, M. P.J. Landon, W. Lange, T. Laštovička, P. Laycock, E. Lebailly, A. Lebedev, B. Leißner, R. Lemrani, V. Lendermann, S. Levonian, M. Lindstroem, B. List, E. Lobodzinska, B. Lobodzinski, A. Loginov, N. Loktionova, V. Lubimov, S. Lüders, D. Lüke, L. Lytkin, N. Magnussen, H. Mahlke-Krüger, N. Malden, E. Malinovski, I. Malinovski, R. Maraček, P. Marage, J. Marks, R. Marshall, H. U. Martyn, J. Martyniak, S. J. Maxfield, A. Mehta, K. Meier, P. Merkel, A. B. Meyer, H. Meyer, J. Meyer, P. O. Meyer, S. Mikocki, D. Milstead, T. Mkrtchyan, R. Mohr, S. Mohrdieck, M. N. Mondragon, F. Moreau, A. Morozov, J. V. Morris, K. Müller, P. Murín, V. Nagovizin, B. Naroska, J. Naumann, Th Naumann, G. Nellen, P. R. Newman, T. C. Nicholls, F. Niebergall, C. Niebuhr, O. Nix, G. Nowak, T. Nunnemann, J. E. Olsson, D. Ozerov, V. Panassik, C. Pascaud, G. D. Patel, E. Perez, J. P. Phillips, D. Pitzl, R. Püschl, I. Potachnikova, B. Povh, K. Rabbertz, G. Rädel, J. Rauschenberger, P. Reimer, B. Reisert, D. Reyna, S. Riess, C. Risler, E. Rizvi, P. Robmann, R. Roosen, A. Rostovtsev, C. Royon, S. Rusakov, K. Rybicki, D. P.C. Sankey, J. Scheins, F. P. Schilling, P. Schleper, D. Schmidt, D. Schmidt, S. Schmitt, L. Schoeffel, A. Schöning, T. Schörner, V. Schröder, H. C. Schultz-Coulon, C. Schwanenberger, K. Sedlák, F. Sefkow, V. Shekelyan, I. Sheviakov, L. N. Shtarkov, P. Sievers, Y. Sirois, T. Sloan, P. Smirnov, V. Solochenko, Y. Soloviev, V. Spaskov, A. Specka, H. Spitzer, R. Stamen, J. Steinhart, B. Stella, A. Stellberger, J. Stiewe, U. Straumann, W. Struczinski, M. Swart, M. Taševský, V. Tchernyshov, S. Tchetchelnitski, G. Thompson, P. D. Thompson, N. Tobien, D. Traynor, P. Truöl, G. Tsipolitis, I. Tsurin, J. Turnau, J. E. Turney, E. Tzamariudaki, S. Udluft, A. Usik, S. Valkár, A. Valkárová, C. Vallée, P. Van Mechelen, S. Vassiliev, Y. Vazdik, A. Vichnevski, K. Wacker, R. Wallny, T. Walter, B. Waugh, G. Weber, M. Weber, D. Wegener, M. Werner, G. White, S. Wiesand, T. Wilksen, M. Winde, G. G. Winter, Ch Wissing, M. Wobisch, H. Wollatz, E. Wünsch, A. C. Wyatt, J. Žáček, J. Zálečák, Z. Zhang, A. Zhokin, F. Zomer, J. Zsembery, M. zur Nedden
  • Bergische Universität Gesamthochschule Wuppertal
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Inter-University Institute for High Energies ULB-VUB
  • University of Antwerp
  • c/o DESY
  • Universités Paris VI and VII
  • Institute for Theoretical and Experimental Physics
  • Physics Department
  • University of Manchester
  • Yerevan Physics Institute
  • University of Heidelberg
  • RWTH Aachen University
  • Laboratoire de l'Accélérateur Linéaire
  • Universität Hamburg
  • Max-Planck-Institut für Kernphysik
  • Slovak Academy of Sciences
  • University of Liverpool
  • Max-Planck-Institut für Physik
  • Université Paris-Sud
  • CCLRC Rutherford Appleton Laboratory
  • University of Dortmund
  • Dept. Fis. Ap. CINVESTAV
  • School of Physics and Space Research
  • University of Birmingham
  • Institut Pierre Simon Laplace, CNRS and CEA
  • of Sciences
  • Institut für Reine und Angewandte Kernphysik
  • Christian-Albrechts-University Kiel
  • Rechenzentrum
  • Department of Physics
  • Lund University
  • European Organization for Nuclear Research
  • Queen Mary University of London
  • Paul Scherrer Institut
  • Institut für Teilchenphysik
  • ETH Zurich
  • Institut für Experimentelle Kernphysik
  • Universität Karlsruhe/Forschungszentrum Karlsruhe
  • Physik-Institut der Universität Zürich
  • Faculty of Mathematics and Physics
  • Charles University
  • Institute for Nuclear Physics
  • School of Physics and Chemistry
  • Lancaster University
  • Joint Institute for Nuclear Research, Dubna
  • University of P.J. Šafárik
  • University Roma Tre
  • Physics Department
  • National Technical University of Athens

Research output: Contribution to journal › Article › peer-review

61 Citations (Scopus)

Abstract

A measurement is presented of dijet and 3-jet cross sections in low-|t| diffractive deep-inelastic scattering interactions of the type ep → eXY, where the system X is separated by a large rapidity gap from a low-mass baryonic system Y. Data taken with the H1 detector at HERA, corresponding to an integrated luminosity of 18.0 pb-1, are used to measure hadron level single and double differential cross sections for 4 < Q2 < 80 GeV2, cursive Greek chiℙ < 0.05 and pΤ,jet > 4 GeV. The energy flow not attributed to jets is also investigated. The measurements are consistent with a factorising diffractive exchange with trajectory intercept close to 1.2 and tightly constrain the dominating diffractive gluon distribution. Viewed in terms of the diffractive scattering of partonic fluctuations of the photon, the data require the dominance of qq̄g over qq̄ states. Soft colour neutralisation models in their present form cannot simultaneously reproduce the shapes and the normalisations of the differential cross sections. Models based on 2-gluon exchange are able to reproduce the shapes of the cross sections at low cursive Greek chiℙ values.

Original languageEnglish
Pages (from-to)29-49
Number of pages21
JournalEuropean Physical Journal C
Volume20
Issue number1
DOIs
Publication statusPublished - 1 Jan 2001

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