Axial-Vector Form Factors in the Chiral Quark Constituent Model

Harleen Dahiya,Monika Randhawa

doi:10.1007/978-3-319-25619-1_6

Axial-Vector Form Factors in the Chiral Quark Constituent Model

Harleen Dahiya, Monika Randhawa

https://doi.org/10.1007/978-3-319-25619-1_6

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Publication Date: Dec 31, 2015

Affiliation: Dr. B. R. Ambedkar National Institute of Technology Jalandhar, Panjab University

#Axial-vector Coupling Constants #Axial-Vector Form Factors + Show 8 more

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Abstract

The chiral constituent quark model (\(\chi \)CQM) is able to phenomenologically estimate the quantities having implications for chiral symmetry breaking and SU(3) symmetry breaking. In particular, it provides a fairly good description of the singlet (\(g^0_{A}\)) and non-singlet (\(g^3_{A}\) and \(g^8_{A}\)) axial-vector coupling constants at zero momentum transfer for the low lying octet baryons (N, \(\varSigma \), \(\varXi \) and \(\varLambda \)). We have used the conventional dipole form of parametrization to analyse the \(Q^2\) dependence of the axial-vector form factors (\(G^0_{A}(Q^2)\), \(G^3_{A}(Q^2)\) and \(G^8_{A}(Q^2)\)).

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