Résumé
We report results from a study of the charmed double strange baryons Ωc0 and Ωc* 0 at Belle. The Ωc0 is reconstructed using the Ωc0 → Ω- π+ decay mode, and its mass is measured to be (2693.6 ± 0.3-1.5+1.8) MeV / c2. The Ωc* 0 baryon is reconstructed in the Ωc0 γ mode. The mass difference MΩc* 0 - MΩc0 is measured to be (70.7 ± 0.9-0.9+0.1) MeV / c2. The analysis is performed using 673 fb-1 of data on and near the Υ{hooked} (4 S) collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 1-5 |
| Nombre de pages | 5 |
| journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 672 |
| Numéro de publication | 1 |
| Les DOIs | |
| état | Publié - 9 févr. 2009 |
| Modification externe | Oui |
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