Weak form factors for semileptonic octet baryon decays in the chiral quark model | Zendy

Tommy Ohlsson | Zendy; Håkan Snellman | Zendy

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Weak form factors for semileptonic octet baryon decays in the chiral quark model

Author(s) -

Tommy Ohlsson,

Håkan Snellman

Publication year - 1999

Publication title -

the european physical journal c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.938

H-Index - 198

eISSN - 1434-6052

pISSN - 1434-6044

DOI - 10.1007/s100529800908

Subject(s) - physics , octet , particle physics , baryon , quark , quark model , constituent quark , pseudovector , meson , quarkonium

We study the weak vector and axial-vector form factors of first- and second-class currents for the semileptonic octet baryon decays in the spirit of the chiral quark model. Our results for the weak magnetism form factors are consistent with the conserved vector current (CVC) results. The induced pseudotensor form factors, which are highly model dependent. are small. The overall performance of the chiral quark model is quite good and in general agreement with existing experimental data.QC 2010061

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