Abstract
We report on a search for the decay KL→π0νν̄ by the Fermilab E799 Collaboration. The partial width for this mode is related in a calculable way to the CP violation parameters of the standard model. In particular, the decay KL→π0νν̄ is predicted to proceed almost entirely via a direct CP violating amplitude. No events were observed, allowing us to set an upper limit on the branching ratio of B(KL→π0νν ̄)<5.8×10-5 at the 90% confidence level.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 3758-3761 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 72 |
| Issue number | 24 |
| DOIs | |
| State | Published - 1994 |
| Externally published | Yes |
ASJC Scopus subject areas
- General Physics and Astronomy
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