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Energy loss in nuclear Drell–Yan process

  • Theoretical physics
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Abstract.

By means of the nuclear parton distributions, which can be used to provide a good explanation for the EMC effect in the whole x range, we investigate the energy loss effect in the nuclear Drell–Yan (DY) process. When the cross section of lepton pair production is considered to vary with the center-of-mass energy of the nucleon–nucleon collision, we find that the nuclear DY ratio is suppressed because of the energy loss, which balances the overestimate of the DY ratio only when we consider the effect of nuclear parton distributions.

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Authors and Affiliations

  1. Department of Physics, Nanjing Normal University, Nanjing 210024, China , , , , , , CN

    Jian-Jun Yang

  2. Institute of High Energy Physics, P.O. Box 918(4), Beijing 100039, China , , , , , , CN

    Guang-Lie Li

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  1. Jian-Jun Yang
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  2. Guang-Lie Li
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Received: 11 December 1997 / Published online: 30 March 1998

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Yang, JJ., Li, GL. Energy loss in nuclear Drell–Yan process. Eur. Phys. J. C 5, 719–722 (1998). https://doi.org/10.1007/s100529800872

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  • DOI: https://doi.org/10.1007/s100529800872

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