Long-range effects in the weak parity-violating pion-nucleon coupling

1 May 1985

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 31 (9) , 2223-2229
https://doi.org/10.1103/physrevd.31.2223

Abstract

The weak parity-violating pion-nucleon coupling constant

F_{π}

is calculated by using an approach based on PCAC (partial conservation of axial-vector current), current algebra, and dispersion relations. We find the result

F_{π}

=(2.1–5.5)×

10^{- 7}

Keywords

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