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Showing 1995 · hep-phShow all
3 papers · 2 filters
hep-ph1995★ 34 cited
Constraints on Chiral Perturbation Theory Parameters from QCD Inequalities
Jordi Comellas, Jose I. Latorre, Josep Taron
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 particula…
hep-ph1995★ 6 cited
Matching the HQET to Coulomb Type Bound States
A. Pineda, J. Soto
We show that the infinite imaginary anomalous dimensions of certain heavy quark-antiquark currents in the HQET arise due to an inappropriate commutation of two limits, namely coinc…
hep-ph1995★ 27 cited
RENORMALIZATION and the EQUIVALENCE THEOREM: ON-SHELL SCHEME
D. Espriu, J. Matias
We perform an exhaustive analysis of the Equivalence Theorem both in the minimal Standard Model and in an Effective Electroweak Chiral Lagrangian up to . We have con…