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Measurement of charm and beauty photoproduction at HERA using D*μ correlations

  • A. Aktas
  • , V. Andreev
  • , T. Anthonis
  • , S. Aplin
  • , A. Asmone
  • , A. Astvatsatourov
  • , A. Babaev
  • , S. Backovic
  • , J. Bähr
  • , A. Baghdasaryan
  • , P. Baranov
  • , E. Barrelet
  • , W. Bartel
  • , S. Baudrand
  • , S. Baumgartner
  • , J. Becker
  • , M. Beckingham
  • , O. Behnke
  • , O. Behrendt
  • , A. Belousov
  • Ch Berger, N. Berger, J. C. Bizot, M. O. Boenig, V. Boudry, J. Bracinik, G. Brandt, V. Brisson, D. P. Brown, D. Bruncko, F. W. Büsser, A. Bunyatyan, G. Buschhorn, L. Bystritskaya, A. J. Campbell, S. Caron, F. Cassol-Brunner, K. Cerny, V. Cerny, V. Chekelian, J. G. Contreras, J. A. Coughlan, B. E. Cox, G. Cozzika, J. Cvach, J. B. Dainton, W. D. Dau, K. Daum, B. Delcourt, R. Demirchyan, A. De Roeck, K. Desch, E. A. De Wolf, C. Diaconu, V. Dodonov, A. Dubak, G. Eckerlin, V. Efremenko, S. Egli, R. Eichler, F. Eisele, M. Ellerbrock, E. Elsen, W. Erdmann, S. Essenov, A. Falkewicz, P. J.W. Faulkner, L. Favart, A. Fedotov, R. Felst, J. Ferencei, L. Finke, M. Fleischer, P. Fleischmann, Y. H. Fleming, G. Flucke, A. Fomenko, I. Foresti, J. Formánek, G. Franke, G. Frising, T. Frisson, E. Gabathuler, E. Garutti, J. Gayler, R. Gerhards, C. Gerlich, S. Ghazaryan, S. Ginzburgskaya, A. Glazov, I. Glushkov, L. Goerlich, M. Goettlich, N. Gogitidze, S. Gorbounov, C. Goyon, C. Grab, T. Greenshaw, M. Gregori, G. Grindhammer, C. Gwilliam, D. Haidt, L. Hajduk, J. Haller, M. Hansson, G. Heinzelmann, R. C.W. Henderson, H. Henschel, O. Henshaw, G. Herrera, M. Hildebrandt, K. H. Hiller, D. Hoffmann, R. Horisberger, A. Hovhannisyan, M. Ibbotson, M. Ismail, M. Jacquet, L. Janauschek, X. Janssen, V. Jemanov, L. Jönsson, D. P. Johnson, H. Jung, M. Kapichine, M. Karlsson, J. Katzy, N. Keller, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, T. Klimkovich, T. Kluge, G. Knies, A. Knutsson, V. Korbel, P. Kostka, R. Koutouev, K. Krastev, J. Kretzschmar, A. Kropivnitskaya, K. Krüger, J. Kückens, M. P.J. Landon, W. Lange, T. Laštovicka, P. Laycock, A. Lebedev, B. Leißner, V. Lendermann, S. Levonian, L. Lindfeid, K. Lipka, B. List, E. Lobodzinska, N. Loktionova, R. Lopez-Fernandez, V. Lubimov, A. I. Lucaci-Timoce, H. Lueders, L. Lytkin, A. Makankine, N. Maiden, E. Maiinovski, S. Mangano, P. Marage, R. Marshall, M. Martisikova, H. U. Martyn, S. J. Maxfieid, D. Meer, A. Mehta, K. Meier, A. B. Meyer, H. Meyer, J. Meyer, S. Mikocki, I. Miicewicz-Mika, D. Miistead, A. Mohamed, F. Moreau, A. Morozov, J. V. Morris, M. U. Mozer, K. Müiier, P. Murín, K. Nankov, B. Naroska, J. Naumann, Th Naumann, P. R. Newman, C. Niebuhr, A. Nikiforov, D. Nikitin, G. Nowak, M. Nozicka, R. Oganezov, B. Oiivier, J. E. Oisson, S. Osman, D. Ozerov, V. Paiichik, T. Papadopouiou, C. Pascaud, G. D. Patei, M. Peez, E. Perez, D. Perez-Astudiiio, A. Perieanu, A. Petrukhin, D. Pitzi, R. Piacakyte, B. Portheauit, B. Povh, P. Prideaux, N. Raicevic, P. Reimer, A. Rimmer, C. Risier, E. Rizvi, P. Robmann, B. Roiand, R. Roosen, A. Rostovtsev, Z. Rurikova, S. Rusakov, F. Saivaire, D. P.C. Sankey, E. Sauvan, S. Schätzei, F. P. Schiiiing, S. Schmidt, S. Schmitt, C. Schmitz, L. Schoeffel, A. Schöning, V. Schroder, H. C. Schuitz-Couion, C. Schwanenberger, K. Sediák, F. Sefkow, I. Sheviakov, L. N. Shtarkov, Y. Sirois, T. Sioan, P. Smirnov, Y. Soioviev, D. South, V. Spaskov, A. Specka, B. Steiia, J. Stiewe, I. Strauch, U. Straumann, V. Tchouiakov, G. Thompson, P. D. Thompson, F. Tomasz, D. Traynor, P. Truöi, I. Tsakov, G. Tsipoiitis, I. Tsurin, J. Turnau, E. Tzamariudaki, M. Urban, A. Usik, D. Utkin, S. Vaikár, A. Vaikárová, C. Vallée, P. Van Mecheien, N. Van Remortei, A. Vargas Trevino, Y. Vazdik, C. Veeiken, A. Vest, S. Vinokurova, V. Volchinski, B. Vujicic, K. Wacker, J. Wagner, G. Weber, R. Weber, D. Wegener, C. Werner, N. Werner, M. Wesseis, B. Wessiing, C. Wigmore, G. G. Winter, Ch Wissing, R. Woif, E. Wünsch, S. Xeiia, W. Yan, V. Yeganov, J. Žácek, J. Záiešák, Z. Zhang, A. Zheiezov, A. Zhokin, J. Zimmermann, H. Zohrabyan, F. Zomer
  • c/o DESY
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Inter-University Institute for High Energies ULB-VUB
  • University Roma Tre
  • Institute for Theoretical and Experimental Physics
  • University of Montenegro
  • Yerevan Physics Institute
  • Universités Paris VI and VII
  • Laboratoire de l'Accélérateur Linéaire
  • ETH Zurich
  • Physik-Institut der Universität Zürich
  • University of Heidelberg
  • University of Dortmund
  • RWTH Aachen University
  • Max-Planck-Institut für Physik
  • Institute of Experimental Physics Slovak Academy of Sciences
  • Universität Hamburg
  • Max-Planck-Institut für Kernphysik
  • Aix-Marseille Université
  • Charles University
  • Comenius University
  • Dept. Fis. Ap. CINVESTAV
  • CCLRC Rutherford Appleton Laboratory
  • University of Manchester
  • Institut Pierre Simon Laplace, CNRS and CEA
  • Institute of Physics of the Czech Academy of Sciences
  • University of Liverpool
  • Christian-Albrechts-University Kiel
  • Bergische Universität Gesamthochschule Wuppertal
  • European Organization for Nuclear Research
  • Max-P1anck-Institut für Physik
  • Paul Scherrer Institut
  • Institute for Nuclear Physics
  • University of Birmingham
  • Queen Mary University of London
  • Lund University
  • Lancaster University
  • CINVESTAV-IPN
  • Joint Institute for Nuclear Research, Dubna
  • Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
  • University of P.J. Šafárik
  • National Technical University of Athens

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

A measurement of charm and beauty photoproduction at the electron proton collider HERA is presented based on the simultaneous detection of a D*± meson and a muon. The correlation between the D* meson and the muon serves to separate the charm and beauty contributions and the analysis provides comparable sensitivity to both. The total and differential experimental cross sections are compared to LO and NLO QCD calculations. The measured charm cross section is in good agreement with QCD predictions including higher order effects while the beauty cross section is higher.

Original languageEnglish
Pages (from-to)56-71
Number of pages16
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume621
Issue number1-2
DOIs
Publication statusPublished - 11 Aug 2005

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