Hyperon Masses in Nuclear Matter

Details Hyperon Masses in Nuclear Matter Hyperon Masses in Nuclear Matter

1995-07-11

arxiv.org/abs/hep-ph/9507288v2

Phys.Rev. D53 (1996) 349-354

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, Revtex. Additional results, sign error corrected

Scientific paper

10.1103/PhysRevD.53.349

We analyze hyperon and nucleon mass shifts in nuclear matter using chiral perturbation theory. Expressions for the mass shifts that include strong interaction effects at leading order in the density are derived. Corrections to our results are suppressed by powers of the Fermi momentum divided by either the chiral symmetry breaking scale or the nucleon mass. Our work is relevant for neutron stars and for large hypernuclei.

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