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CABIBBO 1963

Cabibbo, N.;
Unitary Symmetry and Leptonic Decays
Phys. Rev. Lett. 10 (1963) 531;

Reprinted in
M. Gell-Mann and Y. Ne'eman, The Eightfold Way: A Review - With Collection of Reprints, Frontiers in Physics, ed. D. Pines, W. A. Benjamin, Inc . New York - Amsterdam (1964) 207.
The Physical Review - the First Hundred Years, AIP Press (1995) CD-ROM.

Motivation
We present here an analysis of leptonic decays based on the unitary symmetry for strong interactions, in the version known as "eightfold way'', and the V-A theory for weak interactions. (Extracted from the introductory part of the paper.).

Related references
See also
Y. Ne'eman, Nucl. Phys. 26 (1961) 222;
E. C. G. Sudarshan and R. E. Marshak, Phys. Rev. 109 (1958) 1860;
M. Gell-Mann, preprint CTSL-20 (1961);
N. Cabibbo and R. Gatto, Nuovo Cim. 21 (1962) 872;
R. P. Feynman and M. Gell-Mann, Phys. Rev. 109 (1958) 193;
Analyse data from
W. J. Willis et al., Bull.Am.Phys.Soc. 8 (1963) 349;
B. P. Roe et al., Phys. Rev. Lett. 7 (1961) 346;

Reactions

	Λ p e– anti-νe
	Σ– n e– anti-νe
	Ξ– Λ e– anti-νe
	Ξ– Σo e– anti-νe
	Ξo Σ+ e– anti-νe

Particles studied

	Λ	pw
	Σ–	pw
	Ξ–	pw
	Ξo	pw

Record comments
SU(3) and hadronic weak currents. Introduction of the Cabibbo angle; predictions for the leptonic decay rates of hyperons.

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