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The European Physical Journal A

, Volume 41, Issue 2, pp 205–213 | Cite as

Kaon and antikaon optical potentials in isospin asymmetric hyperonic matter

  • A. Mishra
  • A. Kumar
  • S. Sanyal
  • S. SchrammEmail author
Regular Article - Theoretical Physics

Abstract

The medium modifications of the energies of kaons and antikaons in isospin asymmetric hyperonic matter are investigated using a chiral SU(3) model. The isospin-dependent medium effects are important for asymmetric heavy-ion collision experiments, as well as relevant for the neutron star phenomenology as the bulk matter in the interior of the neutron star is highly isospin asymmetric. The effects of hyperons on the medium modifications of the kaons and antikaons in the strange hadronic matter are investigated in the present work and are seen to be appreciable for hadronic matter with large strangeness fractions. The study of the K -mesons in the asymmetric strange hadronic matter can be especially relevant for the compressed strange baryonic matter which can result from asymmetric heavy-ion collision experiments in the future accelerator facility FAIR at GSI.

PACS

24.10.Cn Many-body theory 13.75.Jz Kaon-baryon interactions 25.75.-q Relativistic heavy-ion collisions 

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  1. 1.Department of PhysicsIndian Institute of TechnologyDelhi, Hauz Khas, New DelhiIndia
  2. 2.Frankfurt Institute for Advanced StudiesJ.W. Goethe UniversitätFrankfurt am MainGermany

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