Universal scale factors relating mesonic fields and quark operators
Amir H. Fariborz,
J. Ho,
T. G. Steele
Abstract:Scale factor matrices relating mesonic fields in chiral Lagrangians and quark-level operators of QCD sum-rules are shown to be constrained by chiral symmetry, resulting in universal scale factors for each chiral nonet. Built upon this interplay between chiral Lagrangians and QCD sum-rules, the scale factors relating the a0 isotriplet scalar mesons to their underlying quark composite field were recently determined. It is shown that the same technique when applied to K * 0 isodoublet scalars reproduces the same … Show more
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