Abstract
A search for the decay 0X, where X is any long-lived weakly interacting neutral vector particle with mass smaller than the neutral pion pass, was performed using neutral pions tagged by K+0. A 90%-C.L. upper limit for the branching ratio of the two-body decay B0X)<5×10-4 is set. Limits are also set for three-body decays 0XX.
Original language | English (US) |
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Pages (from-to) | 733-736 |
Number of pages | 4 |
Journal | Physical review letters |
Volume | 69 |
Issue number | 5 |
DOIs | |
State | Published - 1992 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy