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Nuclear dependence of charm production

The European Physical Journal C volume 64, pages 637–644 (2009)Cite this article

Abstract

Using data taken by SELEX during the 1996–1997 fixed target run at Fermilab, we study the production of charmed hadrons on copper and carbon targets with Σ −, p, π −, and π + beams. Parametrizing the dependence of the inclusive production cross section on the atomic number A as A α, we determine α for D +, D 0, D + s , D +(2010), Λ + c , and their respective anti-particles, as a function of their transverse momentum p t and scaled longitudinal momentum x F . Within our statistics there is no dependence of α on x F for any charm species for the interval 0.1<x F <1.0. The average value of α for charm production by pion beams is α meson=0.850±0.028. This is somewhat larger than the corresponding average α baryon=0.755±0.016 for charm production by baryon beams (Σ −, p).

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Authors and Affiliations

  1. Bogazici University, 80815, Bebek, Istanbul, Turkey

    E. Gülmez

  2. Carnegie-Mellon University, Pittsburgh, PA, 15213, USA

    R. Edelstein, S. Y. Jun, A. I. Kulyavtsev, A. Kushnirenko, D. Mao, P. Mathew, M. Mattson, M. Procario, J. Russ, N. K. Terentyev & J. You

  3. Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil

    A. M. F. Endler

  4. Fermi National Accelerator Laboratory, Batavia, IL, 60510, USA

    P. S. Cooper, F. G. Garcia, J. Kilmer, A. I. Kulyavtsev, N. P. Kuropatkin, J. Lach, L. Stutte & J. You

  5. Institute for High Energy Physics, Protvino, Russia

    A. P. Kozhevnikov, V. P. Kubarovsky, V. F. Kurshetsov, A. Kushnirenko, L. G. Landsberg, V. V. Molchanov, S. B. Nurushev, S. V. Petrenko, A. N. Vasiliev, D. V. Vavilov & V. A. Victorov

  6. Institute of Theoretical and Experimental Physics, Moscow, Russia

    M. Y. Balatz, G. V. Davidenko, A. G. Dolgolenko, G. B. Dzyubenko, A. V. Evdokimov, M. A. Kubantsev, I. Larin, V. Matveev, A. P. Nilov, V. A. Prutskoi, A. I. Sitnikov, V. S. Verebryusov & V. E. Vishnyakov

  7. Max-Planck-Institut für Kernphysik, 69117, Heidelberg, Germany

    U. Dersch, I. Eschrich, I. Konorov, H. Krüger, J. Simon & K. Vorwalter

  8. Moscow State University, Moscow, Russia

    I. S. Filimonov, E. M. Leikin, A. V. Nemitkin & V. I. Rud

  9. Petersburg Nuclear Physics Institute, St. Petersburg, Russia

    G. Alkhazov, A. G. Atamantchouk, N. F. Bondar, V. L. Golovtsov, V. T. Kim, L. M. Kochenda, A. G. Krivshich, N. P. Kuropatkin, V. P. Maleev, P. V. Neoustroev, B. V. Razmyslovich, V. Stepanov, M. Svoiski, N. K. Terentyev, L. N. Uvarov & A. A. Vorobyov

  10. Tel Aviv University, 69978, Ramat Aviv, Israel

    M. A. Moinester, A. Ocherashvili & V. Steiner

  11. Instituto de Fisica, Universidad Autónoma de San Luis Potosí, Manuel Nova #6, Zona Universitaria, San Luis Potosí, 78246, Mexico

    A. Blanco-Covarrubias, J. Engelfried, J. Amaro-Reyes, N. Estrada, A. Flores-Castillo, G. López-Hinojosa, A. Morelos, J. L. Sánchez-López, I. Torres & E. Vázquez-Jáuregui

  12. University of Bristol, Bristol, BS8 1TL, UK

    V. J. Smith

  13. University of Iowa, Iowa City, IA, 52242, USA

    U. Akgun, A. S. Ayan, M. Kaya, E. McCliment, C. Newsom, Y. Onel & S. Ozkorucuklu

  14. University of Michigan-Flint, Flint, MI, 48502, USA

    L. J. Dauwe

  15. University of Rome “La Sapienza” and INFN, Rome, Italy

    M. Iori

  16. University of São Paulo, São Paulo, Brazil

    L. Emediato, C. O. Escobar, F. G. Garcia, P. Gouffon, T. Lungov, M. Srivastava & R. Zukanovich-Funchal

  17. University of Trieste and INFN, Trieste, Italy

    A. Penzo

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  1. A. Blanco-Covarrubias
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  2. J. Engelfried
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The SELEX Collaboration

Corresponding author

Correspondence to J. Engelfried.

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The SELEX Collaboration., Blanco-Covarrubias, A., Engelfried, J. et al. Nuclear dependence of charm production. Eur. Phys. J. C 64, 637–644 (2009). https://doi.org/10.1140/epjc/s10052-009-1174-0

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PACS

  • 13.85.Ni
  • 14.65.Dw
  • 24.85.+p