Chiral symmetry, strangeness and resonances

Details Chiral symmetry, strangeness and resonances Chiral symmetry, strangeness and resonances

2004-03-22

arxiv.org/abs/nucl-th/0403065v1

Prog.Theor.Phys.Suppl.156:51-71,2004

Physics

Nuclear Physics

Nuclear Theory

invited talk presented by M.F.M.L. at the 18th Nishinomiya Yukawa Memorial Symposium, 21 pages, 12 figures

Scientific paper

10.1143/PTPS.156.51

We review the important role played by the chiral SU(3) symmetry in predicting the properties of antikaons and hyperon resonances in cold nuclear matter. Objects of crucial importance are the meson-baryon scattering amplitudes obtained within the chiral coupled-channel effective field theory. The formation of baryon resonances as implied by chiral coupled-channel dynamics is discussed. Results for antikaon and hyperon-resonance spectral functions are presented for isospin symmetric and asymmetric matter.

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