37Ca β+ decay and the efficiency of the 37Cl detector for high energy neutrinos

Details 37Ca β+ decay and the efficiency of the 37Cl detector for high energy neutrinos 37Ca β+ decay and the efficiency of the 37Cl detector for high energy neutrinos

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvc..42..765g&link_type=abstract

Physical Review C (Nuclear Physics), Volume 42, Issue 2, August 1990, pp.765-768

Physics

Nuclear Physics

8

Beta Decay, Double Beta Decay, Electron And Muon Capture, 20<=A<=38

Scientific paper

There is a qualitative disagreement between the Gamow-Teller strength function extracted from the β-delayed proton decay of 37Ca and that estimated using the 37Cl(p,n) reaction. Adelberger and Haxton have shown that this could be explained by the strong tendency of high energy states in 37K to proton decay to 36Ar in its first excited state. We present the results of an experiment confirming this idea. By detecting proton-γ coincidences we determined that the fraction of 37Ca decays that feed the first excited state of 36Ar is 2.9+/-0.8 %. This should be compared to a shell model prediction of 1.80+/-0.20 %. We also present some information on the β decay of 25Si obtained as a by- product of our experiment.

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