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Nucleon-nucleon effective potential in dense matter including rho-meson exchange

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Nucleon-nucleon effective potential in dense matter including rho-meson exchange

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dc.contributor.author Mornas, L.
dc.contributor.author Gallego, E.
dc.contributor.author Pérez Cañellas, Armando
dc.date.accessioned 2014-02-17T13:18:01Z
dc.date.available 2014-02-17T13:18:01Z
dc.date.issued 2002
dc.identifier.citation Mornas, L. Gallego, E. Pérez Cañellas, Armando 2002 Nucleon-nucleon effective potential in dense matter including rho-meson exchange Nuclear Physics A 699 3-4 579 623
dc.identifier.uri http://hdl.handle.net/10550/32985
dc.description.abstract We obtain the RPA summed one-meson exchange potential between nucleons in symmetric nuclear matter at zero temperature, from a model which includes rho, sigma, omega and pi mesons. The behavior of rho mesons inside the medium is first discussed using different schemes to extract a finite contribution from the vacuum polarization. These schemes give qualitatively different results for the in-medium rho mass. The results are discussed in connection with the nourenormalizability of the model. We next study the modified potential as density increases. In the intermediate-distance range, it is qualitatively modified by matter and vacuum effects. In the long-distance range (r > 2 fm), one observes the presence of oscillations, which are not present in free space. Features on this distance range arc insensitive to the renormalization scheme.
dc.relation.ispartof Nuclear Physics A, 2002, vol. 699, num. 3-4, p. 579-623
dc.subject Física
dc.title Nucleon-nucleon effective potential in dense matter including rho-meson exchange
dc.type journal article es_ES
dc.date.updated 2014-02-17T13:18:01Z
dc.identifier.doi 10.1016/S0375-9474(01)01282-9
dc.identifier.idgrec 093316
dc.rights.accessRights open access es_ES
dc.identifier.url 10.1016/S0375-9474(01)01282-9

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