Constraints on Chiral Perturbation Theory Parameters from QCD Inequalities

Details Constraints on Chiral Perturbation Theory Parameters from QCD Inequalities Constraints on Chiral Perturbation Theory Parameters from QCD Inequalities

1995-07-07

arxiv.org/abs/hep-ph/9507258v2

Phys.Lett. B360 (1995) 109-116

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LaTeX. Composite operator renormalization factors were missing in the original version

Scientific paper

10.1016/0370-2693(95)01110-C

We explore some of the constraints imposed by positivity of the QCD measure
(Weingarten's inequalities) on the parameters defining chiral perturbation
theory. We find, in particular, that $2 m_q (\mu)\leq B_0(\mu) Z(\mu)$. The use
of further properties of the exact fermion propagator yields information on
some higher order parameters.

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