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Chiral approach to antikaon s- and p-wave interactions in dense nuclear matter
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Chiral approach to antikaon s- and p-wave interactions in dense nuclear matter
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| dc.contributor.author | Tolós Rigueiro, Laura | |
| dc.contributor.author | Ramos Gómez, Àngels | |
| dc.contributor.author | Oset Báguena, Eulogio | |
| dc.date.accessioned | 2015-09-08T07:18:15Z | |
| dc.date.available | 2015-09-08T07:18:15Z | |
| dc.date.issued | 2006 | |
| dc.identifier.citation | Tolós Rigueiro, Laura Ramos Gómez, Àngels Oset Báguena, Eulogio 2006 Chiral approach to antikaon s- and p-wave interactions in dense nuclear matter Physical Review C 74 1 015203 | |
| dc.identifier.uri | http://hdl.handle.net/10550/46932 | |
| dc.description.abstract | The properties of the antikaons in nuclear matter are investigated from a chiral unitary approach which incorporates the s- and p-waves of the K¯N interaction. To obtain the in-medium meson-baryon amplitudes we include, in a self-consistent way, Pauli blocking effects, meson self-energies corrected by nuclear short-range correlations and baryon binding potentials. We pay special attention to investigating the validity of the on-shell factorization, showing that it cannot be applied in the evaluation of the in-medium corrections to the p-wave amplitudes. In nuclear matter at saturation energy, the Λ and Σ develop an attractive potential of about -30 MeV, while the Σ∗ pole remains at the free space value although its width gets sensibly increased to about 80 MeV. The antikaon also develops a moderate attraction that does not support the existence of very deep and narrow bound states, confirming the findings of previous self-consistent calculations. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review C, 2006, vol. 74, num. 1, p. 015203 | |
| dc.subject | Física | |
| dc.title | Chiral approach to antikaon s- and p-wave interactions in dense nuclear matter | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-09-08T07:18:15Z | |
| dc.identifier.doi | 10.1103/PhysRevC.74.015203 | |
| dc.identifier.idgrec | 038153 | |
| dc.rights.accessRights | open access | es_ES |
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