Loosely bound hyperons in the SU(3) Skyrme model

Details Loosely bound hyperons in the SU(3) Skyrme model Loosely bound hyperons in the SU(3) Skyrme model

1994-08-03

arxiv.org/abs/nucl-th/9408002v1

Phys.Rev.D51:1228-1242,1995

Physics

Nuclear Physics

Nuclear Theory

35 pages REVTEX including 2 figs, with 3 further figs available on request from schwesinger@hrz.uni-siegen.d400.de or from hbg

Scientific paper

10.1103/PhysRevD.51.1228

Hyperon pairs bound in deuteron like states are obtained within the SU(3) Skyrme model in agreement with general expectations from boson exchange models. The central binding from the flavor symmetry breaking terms increases with the strangeness contents of the interacting baryons whereas the kinetic non-linear $\sigma$-model term fixes the spin and isospin of the bound pair. We give a complete account of the interactions of octet baryons within the product approximation to baryon number $B=2$ configurations.

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