N16(O-) beta decay and weak axial vector meson exchange currents
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We have measured the branching ratio for beta decay of the JC=0- state at 120 keV in N16 allowing us to infer a beta decay probability of =(0.45±0.05) sec-1, in excellent agreement with recent calculations which include pion exchange corrections to the axial vector time component as an essential feature. When combined with the muon capture rate for the inverse reaction, our result implies gpgA=11±2. RADIOACTIVITY N16(O-, 120 keV) beta decay, meson exchange currents, weak axial vector current. © 1983 The American Physical Society.
author list (cited authors)
Gagliardi, C. A., Garvey, G. T., Wrobel, J. R., & Freedman, S. J.