QCD accurately predicts the induced pseudoscalar coupling constant

V. Bernard; N. Kaiser; Ulf-G. Meissner

doi:10.1103/PhysRevD.50.6899

QCD accurately predicts the induced pseudoscalar coupling constant

V. Bernard, N. Kaiser, and Ulf-G. Meissner

Phys. Rev. D 50, 6899 – Published 1 December 1994

Abstract

Using chiral Ward identities of QCD, we derive a relation for the induced pseudoscalar coupling constant which is accurate within a few percent, $g_{P}$ =8.44±0.23.

Received 24 March 1994

DOI:https://doi.org/10.1103/PhysRevD.50.6899

Authors & Affiliations

V. Bernard

Physique Théorique, Centre de Recherches Nucléaires et Université Louis Pasteur de Strasbourg, Boîte Postale 20, F-67037 Strasbourg Cedex 2, France

N. Kaiser

Physik Department T30, Technische Universität München, James-Franck-Strasse, D-85747 Garching, Germany

Ulf-G. Meissner

Physique Théorique, Centre de Recherches Nucléaires et Université Louis Pasteur de Strasbourg, Boîte Postale 20, F-67037 Strasbourg Cedex 2, France

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Vol. 50, Iss. 11 — 1 December 1994

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