โ Scribed by V. Devanathan; P.R. Subramanian
No coin nor oath required. For personal study only.
A nuclear cascade process resulting from muon capture and subsequent deexcitation by gamma emission is considered. Possible observable quantities such as the final nuclear polarization and the gamma-neutrino angular correlation coefbcients are investigated. It is shown that the nuclear transition with the spin sequence 0 + JI -+ 0 is very favorable for study since the angular correlation coefficients in this case are not affected by the uncertainties in the gamma decay matrix elements. For a more restricted transition with JI = 1, there exist some simple relations connecting the asymmetry coefficient of the recoil nucleus emitting the gamma ray and the gamma-neutrino angular correlation coefficients. These relations are shown to be independent of both the nuclear structure and the muon capture coupling constants. Numerical results are presented for the nuclear transition 160(0+, p.s.) "5 l"N(l-, 392 KeV) z r6N(O-, 120 KeV).
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