Savage, M. J. and McKeown, R. D. and Filippone, B. W. and Mitchell, L. W. (1986) Search for a Short-Lived Neutral Particle Produced in Nuclear Decay. Physical Review Letters, 57 (2). pp. 178-181. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:SAVprl86
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Abstract
We report on a search for a short-lived neutral particle φ produced in the decay of the 9.17-MeV Jπ=2+ state in 14N. The experiment is sensitive to decays into an e+e- pair with τφ≲10^-11 s. For mφ=1.7 MeV we place a limit on the branching ratio of Γφ/Γγ<~4×10^-4 at the 90% confidence level.
| Item Type: | Article |
|---|---|
| Additional Information: | ©1986 The American Physical Society Received 28 February 1986 We wish to thank S.E. Koonin, M.-C. Chou, and V. Pönisch for helpful discussions. We would also like to thank C.A. Barnes for providing the enriched 13C target. We acknowledge support from National Science Foundation Grant No. PHY85-05682. |
| Record Number: | CaltechAUTHORS:SAVprl86 |
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:SAVprl86 |
| Alternative URL: | http://dx.doi.org/10.1103/PhysRevLett.57.178 |
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
| ID Code: | 6952 |
| Collection: | CaltechAUTHORS |
| Deposited By: | Archive Administrator |
| Deposited On: | 03 Jan 2007 |
| Last Modified: | 26 Dec 2012 09:27 |
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