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Mesonic and binding contributions to the nuclear Drell-Yan process

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dc.contributor.author	Marco Rubio, Eugenio
dc.contributor.author	Oset Báguena, Eulogio
dc.date.accessioned	2015-09-04T10:00:53Z
dc.date.available	2015-09-04T10:00:53Z
dc.date.issued	1999
dc.identifier.uri	http://hdl.handle.net/10550/46841
dc.description.abstract	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.
dc.language.iso	eng
dc.relation.ispartof	Nuclear Physics A, 1999, vol. 645, num. 2, p. 303-313
dc.source	Marco Rubio, Eugenio Oset Báguena, Eulogio 1999 Mesonic and binding contributions to the nuclear Drell-Yan process Nuclear Physics A 645 2 303 313
dc.subject	Física
dc.title	Mesonic and binding contributions to the nuclear Drell-Yan process
dc.type	journal article	es_ES
dc.date.updated	2015-09-04T10:00:54Z
dc.identifier.doi	http://dx.doi.org/10.1016/S0375-9474(98)00607-1
dc.identifier.idgrec	079424
dc.rights.accessRights	open access	es_ES