H. Frauenfelder

Electron-Neutrino Angular Correlation

H. Frauenfelder
Proceedings of the Rehovot Conference on Nuclear Structure
Sep 10 1957

Illinois team frames the experimental conundrum


The work with which this report is concerned was done by the Illinois group: J.S. Allen, P. Stähelin, W.B. Herrmannsfeldt and D.R. Mason.

Fig. 4, prepared by P. Stähelin, shows all presently available experimental results, together with the theoretically expected values for various pairs of interactions. Fig. 4 shows immediately how confused the situation is.No single assignment explains all the results. The possibilities are open: (1) The beta decay interaction is VA and the beautiful He6 experiment is wrong, (2) The interaction is ST and one discards the careful A35 measurement, (3) All results are correct and the electrons, represented by He6 and N, possess ST; the positrons (Ne19 and A35) VA.

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