Résumé
We present a measurement of the branching fraction for the Cabibbo- and color-suppressed B0→χc1π0 decay based on a data sample of 657×106BB̄ events collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We observe a signal of 40±9 events with a significance of 4.7σ including systematic uncertainties. The measured branching fraction is B(B0→χc1π0)=(1. 12±0.25(stat)±0.12(syst.))×10-5.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 091104 |
| journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 78 |
| Numéro de publication | 9 |
| Les DOIs | |
| état | Publié - 21 nov. 2008 |
| Modification externe | Oui |
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