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Two pion mediated scalar isoscalar NN interaction in the nuclear medium

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dc.contributor.author	Kaskulov, Murat M.
dc.contributor.author	Oset Báguena, Eulogio
dc.contributor.author	Vicente Vacas, Manuel José
dc.date.accessioned	2014-10-29T12:32:32Z
dc.date.available	2014-10-29T12:32:32Z
dc.date.issued	2006
dc.identifier.citation	Kaskulov, Murat M. Oset Báguena, Eulogio Vicente Vacas, Manuel José 2006 Two pion mediated scalar isoscalar NN interaction in the nuclear medium Physical Review C 73 1 014004
dc.identifier.uri	http://hdl.handle.net/10550/39492
dc.description.abstract	We study the modification of the nucleon-nucleon interaction in a nuclear medium in the scalar isoscalar channel, mediated by the exchange of two correlated (sigma channel) or uncorrelated pions. For this purpose we use a standard approach for the renormalization of pions in nuclei. The corrections obtained for the NN interaction in the medium in this channel are of the order of 20% of the free one in average, and the consideration of short-range correlations plays an important role in providing these moderate changes. Yet, the corrections are sizable enough to suggest further studies of the stability and properties of nuclear matter.
dc.language.iso	eng
dc.relation.ispartof	Physical Review C, 2006, vol. 73, num. 1, p. 014004
dc.subject	Física
dc.title	Two pion mediated scalar isoscalar NN interaction in the nuclear medium
dc.type	journal article	es_ES
dc.date.updated	2014-10-29T12:32:32Z
dc.identifier.doi	10.1103/PhysRevC.73.014004
dc.identifier.idgrec	079378
dc.rights.accessRights	open access	es_ES