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D* and D meson production in muon nucleon interactions at 160 GeV/c

  • C. Adolph
  • , M. G. Alekseev
  • , V. Yu Alexakhin
  • , Yu Alexandrov
  • , G. D. Alexeev
  • , A. Amoroso
  • , A. A. Antonov
  • , A. Austregesilo
  • , B. Badełek
  • , F. Balestra
  • , J. Barth
  • , G. Baum
  • , Y. Bedfer
  • , A. Berlin
  • , J. Bernhard
  • , R. Bertini
  • , M. Bettinelli
  • , K. Bicker
  • , J. Bieling
  • , R. Birsa
  • J. Bisplinghoff, P. Bordalo, F. Bradamante, C. Braun, A. Bravar, A. Bressan, M. Büchele, E. Burtin, L. Capozza, M. Chiosso, S. U. Chung, A. Cicuttin, M. L. Crespo, S. Dalla Torre, S. Das, S. S. Dasgupta, S. Dasgupta, O. Yu Denisov, L. Dhara, S. V. Donskov, N. Doshita, V. Duic, W. Dünnweber, M. Dziewiecki, A. Efremov, C. Elia, P. D. Eversheim, W. Eyrich, M. Faessler, A. Ferrero, A. Filin, M. Finger, M. Finger, H. Fischer, C. Franco, N. du Fresne von Hohenesche, J. M. Friedrich, V. Frolov, R. Garfagnini, F. Gautheron, O. P. Gavrichtchouk, S. Gerassimov, R. Geyer, M. Giorgi, I. Gnesi, B. Gobbo, S. Goertz, S. Grabmüller, A. Grasso, B. Grube, R. Gushterski, A. Guskov, T. Guthörl, F. Haas, D. von Harrach, F. H. Heinsius, F. Herrmann, C. Heß, F. Hinterberger, N. Horikawa, Ch Höppner, N. d'Hose, S. Huber, S. Ishimoto, O. Ivanov, Yu Ivanshin, T. Iwata, R. Jahn, V. Jary, P. Jasinski, R. Joosten, E. Kabuß, D. Kang, B. Ketzer, G. V. Khaustov, Yu A. Khokhlov, Yu Kisselev, F. Klein, K. Klimaszewski, S. Koblitz, J. H. Koivuniemi, V. N. Kolosov, K. Kondo, K. Königsmann, I. Konorov, V. F. Konstantinov, A. Korzenev, A. M. Kotzinian, O. Kouznetsov, M. Krämer, Z. V. Kroumchtein, F. Kunne, K. Kurek, L. Lauser, A. A. Lednev, A. Lehmann, S. Levorato, J. Lichtenstadt, T. Liska, A. Maggiora, A. Magnon, N. Makke, G. K. Mallot, A. Mann, C. Marchand, A. Martin, J. Marzec, T. Matsuda, G. Meshcheryakov, W. Meyer, T. Michigami, Yu V. Mikhailov, A. Morreale, A. Mutter, A. Nagaytsev, T. Nagel, F. Nerling, S. Neubert, D. Neyret, V. I. Nikolaenko, W. D. Nowak, A. S. Nunes, A. G. Olshevsky, M. Ostrick, A. Padee, R. Panknin, D. Panzieri, B. Parsamyan, S. Paul, E. Perevalova, G. Pesaro, D. V. Peshekhonov, G. Piragino, S. Platchkov, J. Pochodzalla, J. Polak, V. A. Polyakov, J. Pretz, M. Quaresma, C. Quintans, J. F. Rajotte, S. Ramos, V. Rapatsky, G. Reicherz, E. Rocco, E. Rondio, N. S. Rossiyskaya, D. I. Ryabchikov, V. D. Samoylenko, A. Sandacz, M. G. Sapozhnikov, S. Sarkar, I. A. Savin, G. Sbrizzai, P. Schiavon, C. Schill, T. Schlüter, A. Schmidt, K. Schmidt, L. Schmitt, H. Schmïden, K. Schönning, S. Schopferer, M. Schott, O. Yu Shevchenko, L. Silva, L. Sinha, A. N. Sissakian, M. Slunecka, G. I. Smirnov, S. Sosio, F. Sozzi, A. Srnka, L. Steiger, M. Stolarski, M. Sulc, R. Sulej, H. Suzuki, P. Sznajder, S. Takekawa, J. Ter Wolbeek, S. Tessaro, F. Tessarotto, L. G. Tkatchev, S. Uhl, I. Uman, M. Vandenbroucke, M. Virius, N. V. Vlassov, L. Wang, T. Weisrock, M. Wilfert, R. Windmolders, W. Wiślicki, H. Wollny, K. Zaremba, M. Zavertyaev, E. Zemlyanichkina, M. Ziembicki, N. Zhuravlev, A. Zvyagin
  • Friedrich Alexander Universität Erlangen-Nürnberg
  • INFN- Sezione di Trieste
  • Joint Inst. for Nuclear Research
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • University of Torino
  • European Organization for Nuclear Research
  • Technical University of Munich
  • National Center for Nuclear Research (NCBJ)
  • University of Bonn
  • Universität Bielefeld
  • CEA Saclay
  • Max-Planck-lnstitut für Kohlenforschung
  • Johannes Gutenberg University
  • University of Munich
  • LIP - Lisboa
  • University of Trieste Via A
  • University of Freiburg
  • Matrivani Institute of Experimental Research & Education
  • INFN Sez. di Torino
  • Institute for High Energy Physics (IHEP)
  • Yamagata University
  • Warsaw Institute of Technology
  • Charles University
  • Nagoya University
  • Czech Technical University in Prague
  • Tel Aviv University
  • University of Miyazaki
  • Rutgers University
  • University of Eastern Piedmont
  • Technical University of Liberec
  • RWTH Aachen University
  • Institute of Scientific Instruments of the Academy of Sciences of the Czech Republic

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The production of D* and D mesons in inelastic scattering of 160 GeV/c muons off a 6LiD target has been investigated with the COMPASS spectrometer at CERN for 0. 003 (GeV/c)2<Q2<10 (GeV/c)2 and 3×10-5<xBj<0. 1. The study is based on 8100 events where a D0 or D0 is detected subsequently to a D*+ or D*- decay, and on 34000 events, where only a D0 or D0 is detected. Kinematic distributions of D*, D and K2 * (1430) are given as a function of their energy E, transverse momentum pT, energy fraction z, and of the virtual photon variables ν, Q2 and xBj. Semi-inclusive differential D* production cross-sections are compared with theoretical predictions for D* production via photon-gluon fusion into open charm. The total observed production cross-section for D mesons with laboratory energies between 22 and 86 GeV is (1. 9±0. 4) nb. Significant cross-section asymmetries are observed between D*+ and D*- production for ν<40 GeV and z>0. 6.

Original languageEnglish
Article number2253
Pages (from-to)1-17
Number of pages17
JournalEuropean Physical Journal C
Volume72
Issue number12
DOIs
StatePublished - 2012

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