NAGIOS: RODERIC FUNCIONANDO
Mesonic and binding contributions to the nuclear Drell-Yan process
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Mesonic and binding contributions to the nuclear Drell-Yan process
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| Marco Rubio, Eugenio; Oset Báguena, Eulogio Perfil | |||
| This document is a artículoDate1999 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/46841 |
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| We have evaluated the Drell-Yan cross section in nuclei paying special attention to the meson cloud contribution from pion and rho-meson, for which an accurate calculation using the meson nuclear spectral functions is used. Similarly, the nucleonic contribution is evaluated in terms of a relativistic nucleon spectral function. Fair agreement with experiment is found for different nuclei and the results show a sizeable contribution from the renormalized meson cloud. In order to reproduce the experiment a novel element is introduced, consisting of a gradual energy loss of the incoming proton in its pass through the nucleus which produces a strong A dependence at x_1 large. | |||
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Marco Rubio, Eugenio Oset Báguena, Eulogio 1999 Mesonic and binding contributions to the nuclear Drell-Yan process Nuclear Physics A 645 2 303 313 |
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| http://dx.doi.org/10.1016/S0375-9474(98)00607-1 |
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22 - Física [3699]