Abstract
We report on a search for a short-lived neutral particle produced in the decay of the 9.17-MeV state in . The experiment is sensitive to decays into an pair with s. For MeV we place a limit on the branching ratio of at the 90% confidence level.
- Received 28 February 1986
DOI:https://doi.org/10.1103/PhysRevLett.57.178
©1986 American Physical Society