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Measurement of internal jet structure in dijet production in deep-inelastic scattering at HERA

  • C. Adloff
  • , V. Andreev
  • , B. Andrieu
  • , V. Arkadov
  • , A. Astvatsatourov
  • , I. Ayyaz
  • , A. Babaev
  • , J. Bähr
  • , P. Baranov
  • , E. Barrelet
  • , W. Bartel
  • , U. Bassler
  • , P. Bate
  • , A. Beglarian
  • , O. Behnke
  • , H. J. Behrend
  • , C. Beier
  • , A. Belousov
  • , C. Berger
  • , G. Bernardi
  • T. Berndt, G. Bertrand-Coremans, P. Biddulph, J. C. Bizot, V. Boudry, W. Braunschweig, V. Brisson, D. P. Brown, W. Brückner, P. Bruel, D. Bruncko, J. Bürger, F. W. Büsser, A. Buniatian, S. Burke, G. Buschhorn, D. Calvet, A. J. Campbell, T. Carli, E. Chabert, M. Charlet, D. Clarke, B. Clerbaux, S. Cocks, J. G. Contreras, C. Cormack, J. A. Coughlan, M. C. Cousinou, B. E. Cox, G. Cozzika, J. Cvach, J. B. Dainton, W. D. Dau, K. Daurn, M. David, M. Davidsson, A. de Roeck, E. A. de Wolf, B. Delcourt, R. Demirchyan, C. Diaconu, M. Dirkmann, P. Dixon, W. Dlugosz, K. T. Donovan, J. D. Dowell, A. Droutskoi, J. Ebert, G. Eckerlin, D. Eckstein, V. Efremenko, S. Egli, R. Eichler, F. Eisele, E. Eisenhandler, E. Elsen, M. Enzenberger, M. Erdmann, A. B. Fahr, L. Favart, A. Fedotov, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, M. Fleischer, G. Flügge, A. Fomenko, J. Formánek, J. M. Foster, G. Franke, E. Gabathuler, K. Gabathuler, F. Gaede, J. Garvey, J. Gassner, J. Gayler, R. Gerhards, S. Ghazaryan, A. Glazov, L. Goerlich, N. Gogitidze, M. Goldberg, I. Gorelov, C. Grab, H. Grässler, T. Greenshaw, R. K. Griffiths, G. Grindhammer, T. Hadig, D. Haidt, L. HajdGBR, M. Hampel, V. Haustein, W. J. Haynes, B. Heinemann, G. Heinzelmann, R. C.W. Henderson, S. Hengstmann, H. Henschel, R. Heremans, I. Herynek, K. Hewitt, K. H. Hiller, C. D. Hilton, J. Hladký, D. Hoffmann, T. Holtom, R. Horisberger, S. Hurling, M. Ibbotson, C. Işsever, M. Jacquet, M. Jaffre, D. M. Jansen, L. Jönsson, D. P. Johnson, H. Jung, H. K. Kästli, M. Kander, D. Kant, M. Kapichine, M. Karlsson, O. Karschnik, J. Katzy, O. Kaufmann, M. Kausch, N. Keller, I. R. Kenyon, S. Kermiche, C. KeGBRer, C. Riesling, M. Klein, C. Kleinwort, G. Knies, J. H. Köhne, H. Kolanoski, S. D. Kolya, V. Korbel, P. Kostka, S. K. Kotelnikov, T. Krämerkämper, M. W. Krasny, H. Krehbiel, D. Krücker, K. Krüger, A. Küpper, H. Küster, M. Kuhlen, T. Kurča, W. Lachnit, R. Lahmann, D. Lamb, M. P.J. Landon, W. Lange, U. Langenegger, A. Lebedev, F. Lehner, V. Lemaitre, R. Lemrani, V. Lendermann, S. Levonian, M. Lindstroem, G. Lobo, E. Lobodzinska, V. Lubimov, S. Lüders, D. Lüke, L. Lytkin, N. Magnussen, H. Mahlke-Krüger, N. Maiden, E. Malinovski, I. Malinovski, R. Maraček, P. Marage, J. Marks, R. Marshall, H. U. Martyn, J. Martyniak, S. J. Maxfield, S. J. McMahon, T. R. McMahon, A. Mehta, K. Meier, P. Merkel, F. Metlica, A. Meyer, A. Meyer, H. Meyer, J. Meyer, P. O. Meyer, S. Mikocki, D. Milstead, R. Mohr, S. Mohrdieck, M. Mondragon, F. Moreau, A. Morozov, J. V. Morris, D. Müller, K. Müller, P. Murín, V. Nagovizin, B. Naroska, J. Naumann, T. Naumann, I. Négri, P. R. Newman, H. K. Nguyen, T. C. Nicholls, F. Niebergall, C. Niebuhr, C. Niedzballa, H. Niggli, O. Nix, G. Nowak, T. Nunnemann, H. Oberlack, J. E. Olsson, D. Ozerov, P. Palmen, V. Panassik, C. Pascaud, S. Passaggio, G. D. Patel, H. Pawletta, E. Perez, J. P. Phillips, A. Pieuchot, D. Pitzl, R. Pöschl, G. Pope, B. Povh, K. Rabbertz, J. Rauschenberger, P. Reimer, B. Reisert, D. Reyna, H. Rick, S. Riess, E. Rizvi, P. Robmann, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, S. Rusakov, K. Rybicki, D. P.C. Sankey, P. Schacht, J. Scheins, F. P. Schilling, S. Schleif, P. Schleper, D. Schmidt, D. Schmidt, L. Schoeffel, V. Schröder, H. C. Schultz-Coulon, F. Sefkow, A. Semenov, V. Shekelyan, I. Sheviakov, L. N. Shtarkov, G. Siegmon, Y. Sirois, T. Sloan, P. Smirnov, M. Smith, V. Solochenko, Y. Soloviev, L. Sonnenschein, V. Spaskov, A. Specka, H. Spitzer, F. Squinabol, R. Stamen, P. Steffen, R. Steinberg, J. Steinhart, B. Stella, A. Stellberger, J. Stiewe, U. S. Traumann, W. Struczinski, J. P. Sutton, M. Swart, S. Tapprogge, M. Taševský, V. Tchernyshov, S. Tchetchelnitski, J. Theissen, G. Thompson, P. D. Thompson, N. Tobien, R. Todenhagen, D. Traynor, P. Truöl, G. Tsipolitis, J. Turnau, E. Tzamariudaki, S. Udluft, A. Usik, S. Valkár, A. Valkárová, C. Vallée, P. van Esch, A. van Haecke, P. van Mechelen, Y. Vazdik, G. Villet, K. Wacker, R. Wallny, T. Walter, B. Waugh, G. Weber, M. Weber, D. Wegener, A. Wegner, T. Wengler, M. Werner, L. R. West, S. Wiesand, T. Wilksen, S. Willard, M. Winde, G. G. Winter, C. Wissing, C. Wittek, E. Wittmann, M. Wobisch, H. Wollatz, E. Wünsch, J. Žáček, J. Zálešák, Z. Zhang, A. Zhokin, P. Zini, F. Zomer, J. Zsembery, M. zur Nedden
  • Bergische Universität Gesamthochschule Wuppertal
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • c/o DESY
  • Universités Paris VI and VII
  • Institute for Theoretical and Experimental Physics
  • University of Manchester
  • University of Heidelberg
  • RWTH Aachen University
  • Inter-University Institute for High Energies ULB-VUB
  • Laboratoire de l'Accélérateur Linéaire
  • Max-Planck-Institut für Kernphysik
  • Institute of Experimental Physics Slovak Academy of Sciences
  • Universität Hamburg
  • University Roma Tre
  • Lancaster University
  • Max-Planck-Institut für Physik
  • Aix-Marseille Université
  • CCLRC Rutherford Appleton Laboratory
  • University of Liverpool
  • University of Dortmund
  • Dept. Fis. Ap. CINVESTAV
  • Institut Pierre Simon Laplace, CNRS and CEA
  • Institute of Physics of the Czech Academy of Sciences
  • Christian-Albrechts-University Kiel
  • Lund University
  • Queen Mary University of London
  • University of California, Davis
  • University of Birmingham
  • Physik-Institut der Universität Zürich
  • ETH Zurich
  • Universität Karlsruhe/Forschungszentrum Karlsruhe
  • Charles University
  • Paul Scherrer Institut
  • Institute for Nuclear Physics
  • Joint Institute for Nuclear Research, Dubna
  • Humboldt-Universität zu Berlin

Research output: Contribution to journalArticlepeer-review

Abstract

Internal jet structure in dijet production in deep-inelastic scattering is measured with the H1 detector at HERA. Jets with transverse energies ET,Breit > 5 GeV are selected in the Breit frame employing k⊥ and cone jet algorithms. In the kinematic region of squared momentum transfers 10 < Q2 ≲ 120 GeV2 and Bjorken-x values 2 × 10-4 ≲ xBj ≲ 8 × 10-3, jet shapes and subjet multiplicities are measured as a function of a resolution parameter. Distributions of both observables are corrected for detector effects and presented as functions of the transverse jet energy and jet pseudo-rapidity. Dependences of the jet shape and the average number of subjets on the transverse energy and the pseudo-rapidity of the jet are observed. With increasing transverse jet energies and decreasing pseudo-rapidities, i.e. towards the photon hemisphere, the jets are more collimated. QCD models give a fair description of the data.

Original languageEnglish
Pages (from-to)3-20
Number of pages18
JournalNuclear Physics B
Volume545
Issue number1-3
DOIs
Publication statusPublished - 19 Apr 1999

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