Mass and width of strange baryon resonances in QCD sum rules

Details Mass and width of strange baryon resonances in QCD sum rules Mass and width of strange baryon resonances in QCD sum rules

2006-12-13

arxiv.org/abs/nucl-th/0612059v1

Phys.Rev.C76:065210,2007

Physics

Nuclear Physics

Nuclear Theory

8 pages, no figures

Scientific paper

10.1103/PhysRevC.76.065210

The mass spectra of strange baryons in the octet family are investigated in a finite-energy QCD sum rule approach based on the Gauss-Weierstrass transform. The phenomenological form of the spectral function is saturated by the ground state and two of the lowest excited states, considered as having opposite parities. Treating the ground state parameters as known, the masses, widths and couplings to the interpolating fields are determined and compared to experiment.

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