Can the Goldberger-Treiman relation be derived for massless pions?
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Tài liệu tham khảo
Ta-Pei Cheng and Ling-Fong Li, Gauge Theory of Elementary Particle Physics, Clarendon Press, Oxford (1984); L. B. Okun', Leptons and Quarks [in Russian], Nauka, Moscow (1990).
A. V. Kiselev and V. A. Petrov, ??Spin crisis?: myths and reality,? Preprint 90-23 [in Russian], Institute of High Energy Physics, Protvino (1990).