Geodesic
Can the Goldberger–Treiman relation be derived for massless pions?
Teoretičeskaâ i matematičeskaâ fizika, Tome 88 (1991) no. 1, pp. 146-148 
A. V. Kiselev; V. A. Petrov. Can the Goldberger–Treiman relation be derived for massless pions?. Teoretičeskaâ i matematičeskaâ fizika, Tome 88 (1991) no. 1, pp. 146-148. http://geodesic.mathdoc.fr/item/TMF_1991_88_1_a18/
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Voir la notice de l'article provenant de la source Math-Net.Ru

It is shown that conservation of the axial isovector current in the limit $m_\pi\to 0$ leads to a definite relationship between the $\beta$-decay constants and the constants of the $a_1$ meson but not to the Goldberger–Treiman relation.

[1] Cheng T.-P., Li L.-F., Kalibrovochnye teorii v fizike elementarnykh chastits, Mir, M., 1987; Окунь Л. Б., Лептоны и кварки, Наука, М., 1990

[2] Kiselev A. V., Petrov V. A., “Spinovyi krizis”: mify i realnost, Preprint IFVE 90-23, IFVE, Protvino, 1990