Abstract
A detailed study of the angular correlations in the and decays was performed. Since these decays proceed to the continuum, detection of both alpha particles enabled determination of various correlations as functions of the final-state energy. The experimental results show a small (≈ 15% of weak magnetism) deviation from the conserved vector current prediction which is dependent on the final-state energy. An effect of this size cannot be interpreted as convincing evidence for the presence of second-class currents or a breakdown of conserved vector current theory. However, the inclusion of the vector second-forbidden terms in the nuclear weak current as predicted by the conserved vector current theory is crucial to obtain even approximate agreement with the experimental results.
RADIOACTIVITY , ; measured angular correlation, final-state energy dependence. Model independent test of CVC and second-class currents.
- Received 12 February 1980
DOI:https://doi.org/10.1103/PhysRevC.22.738
©1980 American Physical Society