Nucleon sigma term and quark condensate in nuclear matter

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dc.creatorTsushima, K.
dc.creatorSaito, K.
dc.creatorThomas, A. W.
dc.creatorValcarce, A.
dc.date2006-08-27
dc.date2006-10-10
dc.date.accessioned2026-07-07T10:26:25Z
dc.date.available2026-07-07T10:26:25Z
dc.descriptionWe study the bound nucleon sigma term and the quark condensate in nuclear matter. In the quark-meson coupling (QMC) model the nuclear correction to the sigma term is small and negative, i.e., it decelerates the decrease of the quark condensate in nuclear matter. However, the quark condensate in nuclear matter is controlled primarily by the scalar-isoscalar $σ$ field. Compared to the leading term, it moderates the decrease more than that of the nuclear sigma term alone at densities around and larger than the normal nuclear matter density.
dc.descriptionAbstract changed, version accepted for publication in EPJA, 3 pages, 2 figures, EPJ style, talk given at QNP06, June 5 - June 10, 2006, Madrid, Spain
dc.identifierhttps://arxiv.org/abs/nucl-th/0608062
dc.identifierhttp://arxiv.org/abs/nucl-th/0608062
dc.identifierEur.Phys.J.A31:626-629,2007
dc.identifierdoi:10.1140/epja/i2006-10179-4
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176878
dc.subjectNuclear Theory
dc.subjectHigh Energy Physics - Experiment
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Experiment
dc.titleNucleon sigma term and quark condensate in nuclear matter
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