Hypernuclei in the quark-meson coupling model

Details Hypernuclei in the quark-meson coupling model Hypernuclei in the quark-meson coupling model

2010-04-17

arxiv.org/abs/1004.2965v1

AIP Conf.Proc.1261:232-237,2010

Physics

Nuclear Physics

Nuclear Theory

6 pages, 3 figures, to be published in the proceedings of Achievements and New Directions in Subatomic Physics: Workshop in Ho

Scientific paper

10.1063/1.3479350

We present results of hypernuclei calculated in the latest quark-meson coupling (QMC) model, where the effect of the mean scalar field in-medium on the one-gluon exchange hyperfine interaction, is also included self-consistently. The extra repulsion associated with this increased hyperfine interaction in-medium completely changes the predictions for {\Sigma} hypernuclei. Whereas in the earlier version of QMC they were bound by an amount similar to {\Lambda} hypernuclei, they are unbound in the latest version of QMC, in qualitative agreement with the experimental absence of such states.

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