SU(2)-flavor NJL couplings from polarization effect

In this work corrections to the quark Nambu-Jona-Lasinio (NJL) coupling are presented in terms of the QCD parameters by considering polarization effects in terms of a generic shape of the gluon propagator. For that, the quark field is splitted into two parts and one of them, assumed to be a weak fie...

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Bibliographic Details
Published in:Journal of physics. Conference series 2016-04, Vol.706 (5), p.52013
Main Author: Braghin, Fábio L.
Format: Article
Language:English
Subjects:
Couplings
Flavor (particle physics)
Gluons
Physics
Polarization
Quantum chromodynamics
Quarks
Citations: Items that this one cites
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Summary:In this work corrections to the quark Nambu-Jona-Lasinio (NJL) coupling are presented in terms of the QCD parameters by considering polarization effects in terms of a generic shape of the gluon propagator. For that, the quark field is splitted into two parts and one of them, assumed to be a weak field quark, is integrated out. The resulting determinant is expanded to the 2-nd order in quark bilinears and some of the resulting couplings are exhibited.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/706/5/052013