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arxiv: 0809.4159 · v2 · pith:HRSXFBRL · submitted 2008-09-24 · hep-ph

Semileptonic decays of the light J(P)=1/2(+) ground state baryon octet

Amand Faessler , Thomas Gutsche , Barry R. Holstein , Mikhail A. Ivanov , Jurgen G. Korner , Valery E. Lyubovitskij This is my paper

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keywords semileptonicbaryondecayeffectsfactorsformratesanalysis
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We calculate the semileptonic baryon octet-octet transition form factors using a manifestly Lorentz covariant quark model approach based on the factorization of the contribution of valence quarks and chiral effects. We perform a detailed analysis of SU(3) breaking corrections to the hyperon semileptonic decay form factors. We present complete results on decay rates and asymmetry parameters including lepton mass effects for the rates.

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  1. Unified study of hyperon semileptonic decays in a relativistic three-quark model

    hep-ph 2026-06 unverdicted novelty 4.0

    Wave functions fixed from a mass-spectrum fit in the relativistic three-quark model are used to compute branching fractions, LFU ratios, and the complete set of octet hyperon semileptonic transition form factors witho...