Isoscalar S-wave π–π interaction in the nuclear medium
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Isoscalar S-wave π–π interaction in the nuclear medium

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Isoscalar S-wave π–π interaction in the nuclear medium

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dc.contributor.author Vicente Vacas, Manuel José
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Chiang, H.C.
dc.date.accessioned 2010-06-03T08:09:23Z
dc.date.available 2010-06-03T08:09:23Z
dc.date.issued 1998
dc.identifier.uri http://hdl.handle.net/10550/12866
dc.description.abstract The s-wave isoscalar π π scattering amplitude in a nuclear medium has been evaluated using a non-perturbative unitary coupled channels method and the standard chiral Lagrangians. The method is successful describing the π π properties in vacuum, in the scalar-isoscalar channel up to 1.2 GeV giving rise to poles in the T matrix for the ƒ0(980) and the σ. The extension of the method to the nuclear medium implies the renormalization of the pions in the medium and also the introduction of interaction terms related to contact terms in the πN → ππN reaction. en
dc.language.iso es en
dc.relation http://th-www.if.uj.edu.pl/acta/vol29/pdf/v29p3137.pdf en
dc.source VICENTE VACAS, Manuel Jose, Oset Baguena, Eulogio ; Chiang, H.C., 1998, Isoscalar S-wave π–π interaction in the nuclear medium, Acta Physica Polonica B, vol. 29, no. 11, p. 3137-3140 en
dc.subject S-wave ; Nuclear medium ; Pion en
dc.title Isoscalar S-wave π–π interaction in the nuclear medium en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::FÍSICA en
dc.subject.unesco UNESCO::FÍSICA::Nucleónica en
dc.description.private Vicente Vacas, Manuel Jose, Manuel.J.Vicente@ific.uv.es ; Oset Baguena , Eulogio, Eulogio.Oset@ific.uv.es en

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