Emil Jan Konopinski

Beta-Decay

Emil Jan Konopinski
Physical Review
Oct 1 1943
Comment(s): 

Theoretical overview of Fermi’s theory 10 years later

Excerpt(s): 

More satisfyingly direct observation of the neutrino was undertaken by Crane and Halpern (C4) and Allen (A5). These investigators attempted to observe the recoils of nuclei from neutrino emissions. Allen's work seems the most nearly conclusive. He made his observations on Be', a nucleus suggested by Kan Chang Wang (K5) and many others since it is a light nucleus undergoing K capture and therefore having no electron emitted together with the neutrino. Allen found recoils somewhat too energetic to be due to the known y-ray and moreover could find no y-rays coincident with the recoils.

Fermi's Theory of Beta-Decay

E. J. Konopinski
Reviews of Modern Physics
Jul 1 1955
Comment(s): 

History of beta theory and experiment

Excerpt(s): 

However, much more straightforward evidence has been provided by directional correlation" measurements on He6 and Ne19. The first of these, He6, undergoes a rapid transition with unit spin change, hence must be generated by hT or hA . The observed directional correlations are very definitely characteristic of hT. The Ne19 correlations equally definitely prefer hS over hA.

The Universal Fermi Interaction

E. J. Konopinski and H. M. Mahmoud
Physical Review
Jun 24 1953
Comment(s): 

Cites significance of Rustad-Ruby result

Excerpt(s): 

Since the publication of that result there has been experimental confirmation that the T component is an essential part of the law. This was shown by improved measurements on the correlation between the nuclear recoil and the beta emission of He6. A similar measurement' on O14 is awaited with interest; it should provide an unambiguous check on the choice of the S or the V component in the coupling.

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