Hyperon-nucleon scattering and hyperon masses in the nuclear medium

Details Hyperon-nucleon scattering and hyperon masses in the nuclear medium Hyperon-nucleon scattering and hyperon masses in the nuclear medium

2001-09-24

arxiv.org/abs/nucl-th/0109072v1

Phys.Rev. C65 (2002) 015208

Physics

Nuclear Physics

Nuclear Theory

10 pages, 2 figures

Scientific paper

10.1103/PhysRevC.65.015208

We analyze low-energy hyperon-nucleon scattering using an effective field theory in next-to-leading order. By fitting experimental cross sections for laboratory hyperon momenta below 200 MeV/c and using information from the hypertriton we determine twelve contact-interaction coefficients. Based on these we discuss the low-density expansion of hyperon mass shifts in the nuclear medium.

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