Résumé
Using the detector ARGUS at the e+e- storage ring DORIS II, we have investigated inclusive momentum spectra of charged pions, kaons, and protons from decays of the υ(4S) meson. The kaon spectra have been measured in two independent ways, by coherently exploiting the detector's particle identification capabilities, and by detecting decays in-flight. The extracted mean multiplicities for charged hadrons are 7.17±0.05±0.14 pions, 1.56±0.03±0.05 kaons and 0.110±0.010±0.007 protons per υ(4 S) decay, where pions and protons from Ks o and Δ decays have been subtracted.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 191-198 |
| Nombre de pages | 8 |
| journal | Zeitschrift fur Physik C-Particles and Fields |
| Volume | 58 |
| Numéro de publication | 2 |
| Les DOIs | |
| état | Publié - 1 janv. 1993 |
| Modification externe | Oui |
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