P Wave Baryons in Field Correlator Method: Hyperons

Details P Wave Baryons in Field Correlator Method: Hyperons P Wave Baryons in Field Correlator Method: Hyperons

2007-12-10

arxiv.org/abs/0712.1479v1

Phys.Atom.Nucl.71:335-342,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, no figures

Scientific paper

10.1007/s11450-008-2014-7

We provide an investigation of the P-wave hyperons employing the field correlator method in QCD. This method allows to derive the Effective Hamiltonian successfully applied to the meson and ground state baryon spectra. The hyperon spectrum appears to be expressed through two parameters relevant to QCD, the string tension \sigma, the strong coupling constant \alpha_s, and the bare strange quark mass m_s. Using these parameters a unified description of the ground and excited hyperon states is achieved. We also briefly consider the nucleon P-wave excitations. In particular, we predict that both the nucleon and hyperon states have the similar cost (in \Delta L) ~460 MeV.

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