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Inelastic production of J/ψ mesons in photoproduction and deep inelastic scattering at HERA

  • F. D. Aaron
  • , C. Alexa
  • , V. Andreev
  • , B. Antunovic
  • , S. Backovic
  • , A. Baghdasaryan
  • , E. Barrelet
  • , W. Bartel
  • , K. Begzsuren
  • , A. Belousov
  • , J. C. Bizot
  • , V. Boudry
  • , I. Bozovic-Jelisavcic
  • , J. Bracinik
  • , G. Brandt
  • , M. Brinkmann
  • , V. Brisson
  • , D. Bruncko
  • , A. Bunyatyan
  • , G. Buschhorn
  • L. Bystritskaya, A. J. Campbell, K. B. Cantun Avila, K. Cerny, V. Cerny, V. Chekelian, A. Cholewa, J. G. Contreras, J. A. Coughlan, G. Cozzika, J. Cvach, J. B. Dainton, K. Daum, M. Deák, B. Delcourt, J. Delvax, E. A. De Wolf, C. Diaconu, V. Dodonov, A. Dossanov, A. Dubak, G. Eckerlin, V. Efremenko, S. Egli, A. Eliseev, E. Elsen, A. Falkiewicz, L. Favart, A. Fedotov, R. Felst, J. Feltesse, J. Ferencei, D. J. Fischer, M. Fleischer, A. Fomenko, E. Gabathuler, J. Gayler, S. Ghazaryan, A. Glazov, L. Goerlich, N. Gogitidze, M. Gouzevitch, C. Grab, A. Grebenyuk, T. Greenshaw, B. R. Grell, G. Grindhammer, S. Habib, D. Haidt, C. Helebrant, R. C.W. Henderson, E. Hennekemper, H. Henschel, M. Herbst, G. Herrera, M. Hildebrandt, K. H. Hiller, D. Hoffmann, R. Horisberger, T. Hreus, M. Jacquet, X. Janssen, L. Jönsson, A. W. Jung, H. Jung, M. Kapichine, J. Katzy, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, T. Kluge, A. Knutsson, R. Kogler, P. Kostka, M. Kraemer, K. Krastev, J. Kretzschmar, A. Kropivnitskaya, K. Krüger, K. Kutak, M. P.J. Landon, W. Lange, G. Laštovička-Medin, P. Laycock, A. Lebedev, V. Lendermann, S. Levonian, G. Li, K. Lipka, A. Liptaj, B. List, J. List, N. Loktionova, R. Lopez-Fernandez, V. Lubimov, A. Makankine, E. Malinovski, P. Marage, Ll Marti, H. U. Martyn, S. J. Maxfield, A. Mehta, A. B. Meyer, H. Meyer, J. Meyer, S. Mikocki, I. Milcewicz-Mika, F. Moreau, A. Morozov, J. V. Morris, M. U. Mozer, M. Mudrinic, K. Müller, P. Murín, Th Naumann, P. R. Newman, C. Niebuhr, A. Nikiforov, D. Nikitin, G. Nowak, K. Nowak, J. E. Olsson, S. Osman, D. Ozerov, P. Pahl, V. Palichik, I. Panagoulias, M. Pandurovic, Th Papadopoulou, C. Pascaud, G. D. Patel, E. Perez, A. Petrukhin, I. Picuric, S. Piec, D. Pitzl, R. Plačakyte, B. Pokorny, R. Polifka, B. Povh, V. Radescu, N. Raicevic, A. Raspiareza, T. Ravdandorj, P. Reimer, E. Rizvi, P. Robmann, R. Roosen, A. Rostovtsev, M. Rotaru, J. E. Ruiz Tabasco, S. Rusakov, D. Šálek, D. P.C. Sankey, M. Sauter, E. Sauvan, S. Schmitt, L. Schoeffel, A. Schöning, H. C. Schultz-Coulon, F. Sefkow, R. N. Shaw-West, L. N. Shtarkov, S. Shushkevich, T. Sloan, I. Smiljanic, Y. Soloviev, P. Sopicki, D. South, V. Spaskov, A. Specka, Z. Staykova, M. Steder, B. Stella, G. Stoicea, U. Straumann, D. Sunar, T. Sykora, G. Thompson, P. D. Thompson, T. Toll, F. Tomasz, T. H. Tran, D. Traynor, P. Truöl, I. Tsakov, B. Tseepeldorj, J. Turnau, K. Urban, A. Valkárová, C. Vallée, P. Van Mechelen, A. Vargas Trevino, Y. Vazdik, V. Volchinski, M. von den Driesch, D. Wegener, Ch Wissing, E. Wünsch, J. Žáček, J. Zálešák, Z. Zhang, A. Zhokin, T. Zimmermann, H. Zohrabyan, F. Zomer
  • National Institute for Physics and Nuclear Engineering (NIPNE)
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • c/o DESY
  • Faculty of Science
  • University of Montenegro
  • Yerevan Physics Institute
  • Universités Paris VI and VII
  • Institute of Physics and Technology of the Mongolian Academy of Sciences
  • Laboratoire de l'Accélérateur Linéaire
  • University of Belgrade
  • School of Physics and Astronomy
  • University of Birmingham
  • Universität Hamburg
  • Institute of Experimental Physics Slovak Academy of Sciences
  • Max-Planck-Institut für Kernphysik
  • Max-Planck-Institut für Physik
  • Institute for Theoretical and Experimental Physics
  • Departamento de Fisica Aplicada
  • Dept. Fis. Ap. CINVESTAV
  • Center for Particle Physics
  • Charles University
  • CCLRC Rutherford Appleton Laboratory
  • CEA/UVSQ/CNRS
  • Institute of Physics of the Czech Academy of Sciences
  • Department of Physics
  • University of Liverpool
  • Fachbereich C
  • Bergische Universität Gesamthochschule Wuppertal
  • Inter-University Institute for High Energies ULB-VUB
  • University of Antwerp
  • Aix Marseille Université
  • Paul Scherrer Institut
  • Institute for Nuclear Physics
  • Institut für Teilchenphysik
  • ETH Zurich
  • Lancaster University
  • University of Heidelberg
  • Departamento de Fisica
  • CINVESTAV-IPN
  • Department of Physics
  • Lund University
  • Joint Institute for Nuclear Research, Dubna
  • Queen Mary University of London
  • RWTH Aachen University
  • Physik-Institut der Universität Zürich
  • University of Dortmund
  • University Roma Tre
  • Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences

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

73 Citations (Scopus)

Abstract

A measurement is presented of inelastic photo- and electroproduction of J/ψ mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and double differential cross sections are determined and the helicity distributions of the J/ψ mesons are analysed. The results are compared to theoretical predictions in the colour singlet model and in the framework of non-relativistic QCD. Calculations in the colour singlet model using a kT factorisation ansatz are able to give a good description of the data, while colour singlet model calculations to next-to-leading order in collinear factorisation underestimate the data.

Original languageEnglish
Pages (from-to)401-420
Number of pages20
JournalEuropean Physical Journal C
Volume68
Issue number3
DOIs
Publication statusPublished - 1 Jan 2010

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