In-Medium Baryon Interactions and Hypernuclear Structure

Details In-Medium Baryon Interactions and Hypernuclear Structure In-Medium Baryon Interactions and Hypernuclear Structure

Publishing date

2001-12-14

URL

arxiv.org/abs/nucl-th/0112047v1

Journals

J.Phys.G28:1683-1688,2002

Science

Physics

Field

Nuclear Physics

SubField

Nuclear Theory

Additional info

4 pages, 2 figures, proceedings for Strange Quarks in Matter 2001, Sept. 2001, Frankfurt/Main, Germany, to appear in J.Phys.G

Type

Scientific paper

Digital Object Identifier

10.1088/0954-3899/28/7/320

Abstract

We introduce a microscopic and relativistic theory describing free scattering and finite nuclei for the octet baryons in a consistent quantum field theoretical framework based on Dirac-Brueckner theory and nuclear mean-field. In a first quantitative approach - yet still heuristic for dealing with the $\Lambda$ hyperon - the quality of the description of finite (hyper)nuclei based on free meson exchange potentials is competitive with those from purely phenomenological relativistic mean-field calculations. In contrast to the latter our approach has the advantage of having a microscopic link to free interactions and complete control on which classes of diagrams are included. As a complementary way for determining hyperon-hyperon and hyperon-nucleon interactions the use of Hanbury-Brown-Twiss interferometry is discussed.

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