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A study of the fragmentation of quarks in et-p collisions at HERA

  • S. Aid
  • , V. Andreev
  • , B. Andrieu
  • , R. D. Appuhn
  • , M. Arpagaus
  • , A. Babaev
  • , J. Baehr
  • , J. Bán
  • , Y. Ban
  • , P. Baranov
  • , E. Barrelet
  • , R. Barschke
  • , W. Bartel
  • , M. Barth
  • , U. Bassler
  • , H. P. Beck
  • , H. J. Behrend
  • , A. Belousov
  • , Ch Berger
  • , G. Bernardi
  • R. Bernet, G. Bertrand-Coremans, M. Besançon, R. Beyer, P. Biddulph, P. Bispham, J. C. Bizot, V. Blobel, K. Borras, F. Botterweck, V. Boudry, A. Braemer, F. Brasse, W. Braunschweig, V. Brisson, D. Bruncko, C. Brune, R. Buchholz, L. Büngener, J. Bürger, F. W. Büsser, A. Buniatian, S. Bürke, M. Burton, G. Buschhorn, A. J. Campbell, T. Carli, F. Charles, M. Charlet, D. Clarke, A. B. Clegg, B. Clerbaux, M. Colombo, J. G. Contreras, C. Cormack, J. A. Coughlan, A. Courau, Ch Coutures, G. Cozzika, L. Criegee, D. G. Cussans, J. Cvach, S. Dagoret, J. B. Dainton, W. D. Dau, K. Daum, M. David, B. Delcourt, L. Del Buono, A. De Roeck, E. A. De Wolf, P. Di Nezza, C. Dollfus, J. D. Dowell, H. B. Dreis, A. Droutskoi, J. Duboc, D. Düllmann, O. Dünger, H. Duhm, J. Ebert, T. R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, H. Ehrlichmann, S. Eichenberger, R. Eichler, F. Eisele, E. Eisenhandler, R. J. Ellison, E. Elsen, M. Erdmann, W. Erdmann, E. Evrard, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, K. Flamm, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, B. Fominykh, M. Forbush, J. Formánek, J. M. Foster, G. Franke, E. Fretwurst, E. Gabathuler, K. Gabathuler, K. Gamerdinger, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, H. Genzel, R. Gerhards, U. Goerlach, L. Goerlach, N. Gogitidze, M. Goldberg, D. Goldner, B. Gonzalez-Pineiro, I. Gorelov, P. Goritchev, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, D. Haidt, L. Hajduk, O. Hamon, M. Hampel, E. M. Hanlon, M. Hapke, W. J. Haynes, J. Heatherington, G. Heinzelmann, R. C.W. Henderson, H. Henschel, I. Herynek, M. F. Hess, W. Hildesheim, P. Hill, K. H. Hiller, C. D. Hilton, J. Hladký, K. C. Hoeger, M. Höppner, R. Horisberger, V. L. Hudgson, Ph Huet, M. Hütte, H. Hufnagel, M. Ibbotson, H. Itterbeck, M. A. Jabiol, A. Jacholkowska, C. Jacobsson, M. Jaffre, J. Janoth, T. Jansen, L. Jönson, D. P. Johnson, L. Johnson, H. Jung, P. I.P. Kalmus, D. Kant, R. Kaschowitz, P. Kasselmann, U. Kathage, J. Katzy, H. H. Kaufmann, S. Kazarian, I. R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, W. Ko, T. Köhler, J. H. Köhne, H. Kolanoski, F. Kole, S. D. Kolya, V. Korbel, M. Korn, P. Kostka, S. K. Kotelnikov, T. Krdmerkämper, M. W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, U. Krüner-Marquis, J. P. Kubenka, H. Küster, M. Kuhlen, T. Kurča, J. Kurzhöfer, B. Kuznik, D. Lacour, F. Lamarche, R. Lander, M. P.J. Landon, W. Lange, P. Lanius, J. F. Laporte, A. Lebedev, C. Leverenz, S. Levonian, Ch Ley, A. Lindner, G. Lindström, J. Link, F. Linsel, J. Lipinski, B. List, G. Lobo, P. Loch, H. Lohmander, J. Lomas, G. C. Lopez, V. Lubimov, D. Luke, N. Magnussen, E. Malinovski, S. Mani, R. Maraček, P. Marage, J. Marks, R. Marshall, J. Martens, R. Martin, H. U. Martyn, J. Martyniak, S. Masson, T. Mavroidis, S. J. Maxfield, S. J. McMahon, A. Mehta, K. Meier, D. Mercer, T. Merz, C. A. Meyer, H. Meyer, J. Meyer, A. Migliori, S. Mikocki, D. Milstead, F. Moreau, J. V. Morris, E. Mroczko, G. Müller, K. Müller, P. Murín, V. Nagovizin, R. Nahnhauer, B. Naroska, Th Naumann, P. R. Newman, D. Newton, D. Neyret, H. K. Nguyen, T. C. Nicholls, F. Niebergall, C. Niebuhr, Ch Niedzballa, R. Nisius, G. Nowak, G. W. Noyes, M. Nyberg-Werther, M. Oakden, H. Oberlack, U. Obrock, J. E. Olsson, D. Ozerov, E. Panaro, A. Panitch, C. Pascaud, G. D. Patel, E. Peppel, E. Perez, J. P. Phillips, Ch Pichler, A. Pieuchot, D. Pitzl, G. Pope, S. Prell, R. Prosi, K. Rabbertz, G. Radel, F. Raupach, P. Reimer, S. Reinshagen, P. Ribarics, H. Rick, V. Riech, J. Riedlberger, S. Riess, M. Rietz, E. Rizvi, S. M. Robertson, P. Robmann, H. E. Roloff, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, K. Rütter, S. Rusakov, K. Rybicki, R. Rylko, N. Sahlmann, E. Sanchez, D. P.C. Sankey, P. Schacht, S. Schiek, P. Schleper, W. von Schlippe, C. Schmidt, D. Schmidt, G. Schmidt, A. Schöning, V. Schröder, E. Schuhmann, B. Schwab, A. Schwind, F. Sefkow, M. Seidel, R. Sell, A. Semenov, V. Shekelyan, I. Sheviakov, H. Shooshtari, L. N. Shtarkov, G. Siegmon, U. Siewert, Y. Sirois, I. O. Skillicorn, P. Smirnov, J. R. Smith, V. Solochenko, Y. Soloviev, J. Spiekermann, S. Spielman, H. Spitzerx, R. Starosta, M. Steenbock, P. Steffen, R. Steinberg, B. Stella, K. Stephens, J. Stier, J. Stiewe, U. Stosslein, K. Stolze, J. Strachota, U. Straumann, W. Struczinski, J. P. Sutton, S. Tapprogge, V. Tchernyshov, C. Thiebaux, G. Thompson, P. Truöl, J. Turnau, J. Tutas, P. Uelkes, A. Usik, S. Valkár, A. Valkárová, C. Vallée, P. Van Esch, P. Van Mechelen, A. Vartapetian, Y. Vazdik, P. Verrecchia, G. Villet, K. Wacker, A. Wagener, M. Wagener, I. W. Walker, A. Walther, G. Weber, M. Weber, D. Wegener, A. Wegner, H. P. Wellisch, L. R. West, S. Willard, M. Winde, G. G. Winter, C. Wittek, A. E. Wright, E. Wünsch, N. Wulff, T. P. Yiou, J. Žáček, D. Zarbock, Z. Zhang, A. Zhokin, M. Zimmer, W. Zimmermann, F. Zomer, K. Zuber
  • Universität Hamburg
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • c/o DESY
  • Schweizerische Nationalfonds (SNF)
  • Max-Planck-Institut für Physik
  • CEA/UVSQ/CNRS
  • Slovak Academy of Sciences
  • Laboratoire de l'Accélérateur Linéaire
  • Universités Paris VI and VII
  • Inter-University Institute for High Energies ULB-VUB
  • University of Zurich
  • RWTH Aachen University
  • University of Manchester
  • University of Dortmund
  • University of Heidelberg
  • Lancaster University
  • CCLRC Rutherford Appleton Laboratory
  • University of Liverpool
  • Institute of Physics of the Czech Academy of Sciences
  • Christian-Albrechts-University Kiel
  • Bergische Universität Gesamthochschule Wuppertal
  • University of Rome
  • University of Birmingham
  • Institute for Theoretical and Experimental Physics
  • Institute for Nuclear Physics
  • University of California, Davis
  • Charles University
  • Paul Scherrer Institut
  • Lund University
  • Aix Marseille Université
  • University of Antwerp
  • University of Glasgow

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)

Abstract

Deep inelastic scattering (DIS) events, selected from 1993 data taken by the H1 experiment at HERA, are studied in the Breit frame of reference. The fragmentation function of the quark is compared with those of e+e- data. It is shown that certain aspects of the quarks emerging from within the proton in e-p interactions are essentially the same as those of quarks pair-created from the vacuum in e+e- annihilation. The measured area, peak position and width of the fragmentation function show that the kinematic evolution variable, equivalent to the e+e- squared centre of mass energy, is in the Breit frame the invariant square of the four-momentum transfer. We comment on the extent to which we have evidence for coherence effects in pArton showers.

Original languageEnglish
Pages (from-to)3-21
Number of pages19
JournalNuclear Physics B
Volume445
Issue number1
DOIs
Publication statusPublished - 3 Jul 1995

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