Abstract
An upper limit on the branching ratio for the decay K+ → π + νν¯ is set at 2.4 × 10−9 at the 90\% C.L. using pions in the kinematic region 214 MeV/c < Pπ < 231 MeV/c. An upper limit of 5.2 × 10−10 is found on the branching ratio for decays K+ → π+X0, where X0 is any massless, weakly interacting neutral particle. Limits are also set for cases where MX0 > 0.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1421-1424 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 76 |
| Issue number | 9 |
| DOIs | |
| State | Published - 1996 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy