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Hyperon masses in nuclear matter

Savage, Martin J. and Wise, Mark B. (1996) Hyperon masses in nuclear matter. Physical Review D, 53 (1). pp. 349-354. ISSN 0556-2821. http://resolver.caltech.edu/CaltechAUTHORS:SAVprd96

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Abstract

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.


Item Type:Article
Additional Information:©1996 The American Physical Society Received 27 July 1995 M. J. S. would like to thank David Kaplan and Tom Cohen for enlightening conversations. We would also like to thank M. Prakash and C. Pethick for comments on the manuscript. M. J. S. would like to thank the High Energy Physics Group at Caltech and the Institute for Nuclear theory at the University of Washington for kind hospitality during the course of this work. This work was supported in part by the U.S. Dept. of Energy under Grants No. DE-FG03-92-ER40701 and No. DE-FG02-91-ER40682.
Record Number:CaltechAUTHORS:SAVprd96
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SAVprd96
Alternative URL:http://dx.doi.org/10.1103/PhysRevD.53.349
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3351
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:01 Jun 2006
Last Modified:26 Dec 2012 08:53

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