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Inclusive charged particle cross sections in photoproduction at HERA

  • I. Abt
  • , T. Ahmed
  • , V. Andreev
  • , S. Aid
  • , B. Andrieu
  • , R. D. Appuhn
  • , M. Arpagaus
  • , A. Babaev
  • , H. Bärwolff
  • , J. Bán
  • , P. Baranov
  • , E. Barrelet
  • , W. Bartel
  • , U. Bassler
  • , H. P. Beck
  • , H. J. Behrend
  • , A. Belousov
  • , Ch Berger
  • , H. Bergstein
  • , G. Bernardi
  • R. Bernet, G. Bertrand-Coremans, M. Besançon, P. Biddulph, E. Binder, J. C. Bizot, V. Blobel, K. Borras, P. C. Bosetti, V. Boudry, C. Bourdarios, A. Braemer, F. Brasse, U. Braun, W. Braunschweig, V. Brisson, D. Bruncko, L. Büngener, J. Bürger, F. W. Büsser, A. Buniatian, S. Burke, G. Buschhorn, A. J. Campbell, T. Carli, F. Charles, J. Chyla, D. Clarke, A. B. Clegg, M. Colombo, J. A. Coughlan, A. Courau, Ch Coutures, G. Cozzika, L. Criegee, J. Cvach, S. Dagoret, J. B. Dainton, M. Danilov, A. W.E. Dann, W. D. Dau, M. David, E. Deffur, B. Delcourt, L. Del Buono, M. Devel, A. De Roeck, P. Di Nezza, P. Dingus, C. Dollfus, J. D. Dowell, H. B. Dreis, A. Drescher, J. Duboc, D. Düllmann, O. Dünger, H. Duhm, R. Ebbinghaus, M. Eberle, J. Ebert, T. R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, H. Ehrlichmann, S. Eichenberger, R. Eichler, F. Eisele, E. Eisenhandler, N. N. Ellis, R. J. Ellison, E. Elsen, M. Erdmann, E. Evrard, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, I. F. Fensome, J. Ferencei, F. Ferrarotto, K. Flamm, W. Flauger, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, B. Fominykh, M. Forbush, J. Formánek, J. M. Foster, G. Franke, E. Fretwurst, P. Fuhrmann, E. Gabathuler, K. Gamerdinger, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, M. Gennis, H. Genzel, R. Gerhards, L. Godfrey, U. Goerlach, L. Goerlich, N. Gogitidze, M. Goldberg, D. Goldner, A. M. Goodall, I. Gorelov, P. Goritchev, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, H. Greif, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, D. Haidt, L. Hajduk, O. Hamon, M. Hampel, E. M. Hanlon, M. Hapke, J. Harjes, R. Haydar, W. J. Haynes, J. Heatherington, V. Hedberg, G. Heinzelmann, R. C.W. Henderson, H. Henschel, R. Herma, I. Herynek, W. Hildesheim, P. Hill, C. D. Hilton, J. Hladký, K. C. Hoeger, M. Höppner, Ph Huet, H. Hufnagel, N. Huot, M. Ibbotson, H. Itterbeck, M. A. Jabiol, A. Jacholkowska, C. Jacobsson, M. Jaffre, T. Jansen, L. Jönsson, K. Johannsen, D. P. Johnson, L. Johnson, H. Jung, P. I.P. Kalmus, D. Kant, S. Kazarian, R. Kaschowitz, P. Kasselmann, U. Kathage, H. H. Kaufmann, I. R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, W. Ko, T. Köhler, H. Kolanoski, F. Kole, S. D. Kolya, V. Korbel, M. Korn, P. Kostka, S. K. Kotelnikov, M. W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, 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, R. Langkau, P. Lanius, J. F. Laporte, A. Lebedev, A. Leuschner, C. Leverenz, S. Levonian, D. Lewin, Ch Ley, A. Lindner, G. Lindström, F. Linsel, J. Lipinski, P. Loch, H. Lohmander, G. C. Lopez, D. Lüers, D. Lüke, N. Magnussen, E. Malinovski, S. Mani, P. Marage, J. Marks, R. Marshall, J. Martens, R. Martin, H. U. Martyn, J. Martyniak, S. Masson, A. Mavroidis, S. J. Maxfiedl, S. J. McMahon, A. Mehta, K. Meier, D. Mercer, T. Merz, C. A. Meyer, H. Meyer, J. Meyer, S. Mikocki, E. Monnier, F. Moreau, J. Moreels, J. V. Morris, K. Müller, P. Murín, S. A. Murray, V. Nagovizin, B. Naroska, Th Naumann, P. R. Newman, D. Newton, D. Neyret, H. K. Nguyen, F. Niebergall, C. Niebuhr, R. Nisius, G. Nowak, G. W. Noyes, M. Nyberg, H. Oberlack, U. Obrock, J. E. Olsson, S. Orenstein, F. Ould-Saada, C. Pascaud, G. D. Patel, E. Peppel, S. Peters, H. T. Phillips, J. P. Phillips, Ch Pichler, W. Pilgram, D. Pitzl, S. Prell, R. Prosi, G. Rädel, F. Raupach, K. Rauschnabel, P. Reimer, S. Reinshagen, P. Ribarics, V. Riech, J. Riedlberger, S. Riess, M. Rietz, S. M. Robertson, P. Robmann, R. Roosen, K. Rosenbauer, A. Rostovtsev, C. Royon, M. Rudowicz, M. Ruffer, S. Rusakov, K. Rybicki, N. Sahlmann, E. Sanchez, D. P.C. Sankey, M. Savitsky, P. Schacht, P. Schleper, W. von Schlippe, C. Schmidt, D. Schmidt, W. Schmitz, A. Schöning, V. Schröder, E. Schuhmann, M. Schulz, B. Schwab, A. Schwind, W. Scobel, U. Seehausen, 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, Y. Soloviev, H. Spitzer, M. Steenbock, P. Steffen, R. Steinberg, B. Stella, K. Stephens, J. Stier, U. Stösslein, J. Strachota, U. Straumann, W. Struczinski, J. P. Sutton, R. E. Taylor, V. Tchernyshov, C. Thiebaux, G. Thompson, I. Tichomirov, P. Truöl, J. Turnau, J. Tutas, L. Urban, A. Usik, S. Valkar, A. Valkarova, C. Vallée, P. Van Esch, A. Vartapetian, Y. Vazdik, M. Vecko, P. Verrecchia, R. Vick, G. Villet, E. Vogel, K. Wacker, I. W. Walker, A. Walther, G. Weber, D. Wegener, A. Wegner, H. P. Wellisch, L. R. West, S. Willard, M. Winde, G. G. Winter, Th Wolff, L. A. Womersley, A. E. Wright, N. Wulff, T. P. Yiou, J. Žáček, C. Zeitnitz, H. Ziaeepour, M. Zimmer, W. Zimmermann, F. Zomer
  • University of California, Davis
  • School of Physics and Space Research
  • University of Birmingham
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Universität Hamburg
  • c/o DESY
  • Max-Planck-Institut für Physik
  • Institute of Experimental Physics Slovak Academy of Sciences
  • RWTH Aachen University
  • Inter-University Institute for High Energies ULB-VUB
  • Centre d'Etudes de Saclay
  • University of Manchester
  • Weizmann Institute of Science Israel
  • University of Dortmund
  • University of Heidelberg
  • University of Liverpool
  • CCLRC Rutherford Appleton Laboratory
  • Lancaster University
  • Institute for Theoretical and Experimental Physics
  • Christian-Albrechts-University Kiel
  • Queen Mary University of London
  • Institute for Nuclear Physics
  • Department of Physics
  • Lund University
  • University of Glasgow
  • Institut Pierre Simon Laplace, CNRS and CEA

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

Cross sections are presented for the inclusive production of charged particles measured in electron-proton collisions at low Q2 with the H1 detector at HERA. The transverse momentum distribution extends up to 8 GeV/c. Its shape is found to be harder than that observed in pp collisions at comparable centre-of-mass energies √Sγp ≈ √Spp ≈ 200GeV, and also harder than in γp collisions at lower energies √Sγp ≈ 18 GeV. Results from quantum chromodynamics (QCD) calculations agree with the measured transverse momentum and pseudorapidity cross sections.

Original languageEnglish
Pages (from-to)176-186
Number of pages11
JournalPhysics Letters B
Volume328
Issue number1-2
DOIs
Publication statusPublished - 26 May 1994

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