Résumé
Using the ARGUS detector at the DORIS II storage ring, we have studied τ decays with one or three charged particles in the final state, obtaining the following values for the branching ratios: BR(τ-→e- {Mathematical expression})=(17.3±0.4±0.5)% BR(τ-→μ- {Mathematical expression})=(17.2±0.4±0.5)%,BR(τ-→π-vπ)+BR(τ-→K-vπ)=(11.7±0.6±0.8)% and BR(π-→3-prong)=(13.3±0.3±0.8)%. These measurements confirm the present world averages with a precision, in each case, comparable to the error on the combination of all previous results.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 367-374 |
| Nombre de pages | 8 |
| journal | Zeitschrift fur Physik C-Particles and Fields |
| Volume | 53 |
| Numéro de publication | 3 |
| Les DOIs | |
| état | Publié - 1 janv. 1992 |
| Modification externe | Oui |
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