- Abstract:
-
We report the observation of the b→d penguin-dominated decay B0→K*0K̄*0 with a sample of 383.2±4.2 million BB̄ pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at the Stanford Linear Accelerator Center. The measured branching fraction is B(B0→K*0K̄*0)=[1.28-0.30+0.35±0.11] ×10-6 and the fraction of longitudinal polarization is fL(B0→K*0K̄*0)=0.80-0.12+0.10±0.06. The first error quoted is statistical and the second systematic. We also obtain an upper limit ...
Expand abstract - Publisher copy:
- 10.1103/PhysRevLett.100.081801
-
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- Journal:
- Physical Review Letters
- Volume:
- 100
- Issue:
- 8
- Publication date:
- 2008-02-25
- DOI:
- EISSN:
-
1079-7114
- ISSN:
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0031-9007
- URN:
-
uuid:f1f8a504-3e30-4258-a138-9c4d2290cdb4
- Source identifiers:
-
211391
- Local pid:
- pubs:211391
- Language:
- English
- Copyright date:
- 2008
Journal article
Observation of B0→K*0K̄*0 and search for B0→K*0K*0
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