publication

Parity Experirnents in Beta Decays

C. S. Wu
Reviews of Modern Physics
Jul 1 1959
Comment(s): 

Wu evaluates the history of “classical” (pre-parity) beta-decay experiments in this 1959 review.

Excerpt(s): 

Classical Beta-Decay Experiments. Prior to the discovery of parity non conservation in beta decay, the (S However, in spite of its many limitations, P-v correlation is still an effective and powerful method in yielding information on the beta interactions. The first sign of warning against the (S,T) combination in beta interaction came in May of 1957 when Herrmannsfeldt et al.

On the Theory of the Recoil in Beta-Decay

O. Kofoed-Hansen
Physical Review
Aug 9 1948
Comment(s): 

Theoretical basis for recoil experiments

Non-Conservation of Parity

A. Salam
Nature
Feb 15 1958
Excerpt(s): 

As mentioned before, experiments with polarized nuclei demonstrate unmistakably that parity is not conserved. The fact that electrons and positrons emitted in beta-decay possess a high degree of longitudinal polarization provides a new tool for the determination of the fundamental beta-interaction. If the 2-state theory with lepton conservation is assumed, the experimental result that positrons are right-polarized implies that positrons are always emitted together with vR-neutrinos. This would mean that the beta-interaction is A and V.

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