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On the Decay Rate of the Charged Pion

Bernstein, J. and Fubini, S. and Gell-Mann, M. and Thirring, W. (1960) On the Decay Rate of the Charged Pion. il Nuovo Cimento, 17 (5). pp. 757-766. ISSN 1827-6121.

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The Goldberger-Treiman relation between the pion decay amplitude and the axial vector coupling constant in β-decay is shown to be plausible if the divergence of the axial vector current is a highly non-singular operator (i.e., one that emphasizes low frequencies). Such a situation is probably realized, for example, in a renormalizable theory for which this operator is proportional to the conventional pion field. Some other possible consequences of the low-frequency character of the operator are mentioned.

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Additional Information:© 1960 Springer. ricenito il 7 Giugno 1960. First online: 18 March 2008. National Science Foundation Post-Doctoral Fellow. National Science Foundation Senior Post-Doctoral Fellow.
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NSF Postdoctoral FellowshipUNSPECIFIED
Issue or Number:5
Record Number:CaltechAUTHORS:20150925-115300085
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Official Citation:On the decay rate of the charged pion Il Nuovo Cimento (1955-1965) J. Bernstein S. Fubini M. Gell-Mann W. Thirring September 1960, Volume 17, Issue 5, pp 757-766
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60523
Deposited By: Ruth Sustaita
Deposited On:25 Sep 2015 19:10
Last Modified:03 Oct 2019 08:57

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