Résumé
We present measurements of the branching fractions for the three-body decays B0â†'D(*)â"K0π± and their resonant submodes B0â†'D(*)â"K *± using a sample of approximately 88Ã-106 BB pairs collected by the BABAR detector at the SLAC PEP-II asymmetric energy storage ring. We measure: B(B0â†'Dâ"K0Ï€ ±)=(4.9±0.7stat±0.5syst)Ã-10-4, B(B0â†'D*â"K0π±)=(3. 0±0.7stat±0.3syst)Ã-10-4, B(B0↠'Dâ"K*±)=(4.6±0. 6stat±0.5syst)Ã-10-4, B(B0â†'D *â"K*±)=(3.2±0. 6stat±0.3syst)Ã-10-4. From these measurements we determine the fractions of resonant events to be f(B0â†'Dâ" K*±)=0.63±0.08stat±0.04syst and f(B0â†'D*â"K*±)=0. 72±0.14stat±0.05syst.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 171802 |
| journal | Physical Review Letters |
| Volume | 95 |
| Numéro de publication | 17 |
| Les DOIs | |
| état | Publié - 21 oct. 2005 |
| Modification externe | Oui |
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