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artículo con referato
"Vector and axial vector mesons in a nonlocal chiral quark model"
M.F. Izzo Villafañe, D. Gómez Dumm and N.N. Scoccola
Phys. Rev. D 94(5) (2016) 054003/1-15
Basic features of nonstrange vector and axial vector mesons are analyzed in the framework of a chiral quark model that includes nonlocal four-fermion couplings. Unknown model parameters are determined from some input values of masses and decay constants, while nonlocal form factors are taken from a fit to lattice QCD results for effective quark propagators. Numerical results show a good agreement with the observed meson phenomenology.
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