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A Note on the Leptonic Decays of the K-Meson

Sharp, David H. and Wagner, William G. (1962) A Note on the Leptonic Decays of the K-Meson. Synchrotron Laboratory, CTSL-34. California Institute of Technology , Pasadena, CA. (Unpublished) https://resolver.caltech.edu/CaltechAUTHORS:20180130-102129234

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Abstract

In this note we present an analysis of the leptonic decay modes of the K-meson in terms of a four-parameter representation of the two form factors F1(q^2) and F3(q^2) which describe the matrix element of the vector current of the weak interactions, < π |Vα| K >. Such a representation, while general enough to take account of the violation of the ΔΙ = 1/2 rule and the possible existence of two resonances in the K-π system, no longer permits unique predictions for the ratio of the electron to muon decay rate, or of the pion spectrum. We therefore suggest that experiments be carried out to determine the four unknown parameters, and theoretical attention be turned to relating these parameters to measurable quantities occurring in related processes.


Item Type:Report or Paper (Technical Report)
Additional Information:© 1962 California Institute of Technology. The authors wish to thank Professor Murray Gell-Mann for several interesting and helpful conversations concerning this problem.
Group:Synchrotron Laboratory
Funders:
Funding AgencyGrant Number
Atomic Energy CommissionAT(11-1)-68
Other Numbering System:
Other Numbering System NameOther Numbering System ID
CTSL34
Series Name:Synchrotron Laboratory
Issue or Number:CTSL-34
DOI:10.7907/Z93776XS
Record Number:CaltechAUTHORS:20180130-102129234
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180130-102129234
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:84573
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:01 Feb 2018 00:54
Last Modified:03 Oct 2019 19:20

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