Abstract
Precise observation of the ratio of beta polarizations for Fermi and Gamow-Teller decays can provide stringent constraints on electroweak models. The result of a first measurement, with a Bhabha polarimeter of novel design, is . Resulting bounds, being comparable to those from existing muon polarization experiments, are limited by statistics. Precision of order or better may be anticipated with an extended system.
- Received 3 August 1982
DOI:https://doi.org/10.1103/PhysRevLett.50.94
©1983 American Physical Society