QCD sum rules and chiral logarithms

Details QCD sum rules and chiral logarithms QCD sum rules and chiral logarithms

1994-11-29

arxiv.org/abs/hep-ph/9411428v1

Phys.Lett. B348 (1995) 263-269

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, no figures

Scientific paper

10.1016/0370-2693(95)00133-6

Standard QCD sum-rule analyses of the nucleon mass give results that are
inconsistent with chiral perturbation theory due to an overly simple continuum
ansatz on the phenomenological side of the sum rule. We show that a careful
treatment of the continuum, including $\pi$-$N$ states and other states with
virtual pions, resolves the inconsistency associated with chiral logs.

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