Mar 25, 2013
Evidence for B-→τ-ν<inf>̄τ</inf> with a hadronic tagging method using the full data sample of belle
Physical Review Letters
- Volume
- 110
- Number
- 13
- First page
- 131801-1
- Last page
- 131801-6
- Language
- English
- Publishing type
- Research paper (scientific journal)
- DOI
- 10.1103/PhysRevLett.110.131801
We measure the branching fraction of B-→τ -ν̄τ using the full Υ(4S) data sample containing 772×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. Events with BB̄ pairs are tagged by reconstructing one of the B mesons decaying into hadronic final states, and B-→τ -ν̄τ candidates are detected in the recoil. We find evidence for B-→τ -ν̄τ with a significance of 3.0 standard deviations including systematic errors and measure a branching fraction B(B -→τ-ν̄τ)=[0.72-0.25+0. 27(stat)±0.11(syst)]×10-4. © 2013 American Physical Society.
- Link information
-
- DOI
- https://doi.org/10.1103/PhysRevLett.110.131801
- PubMed
- https://www.ncbi.nlm.nih.gov/pubmed/23581309
- Scopus
- https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84875424935&origin=inward Open access
- Scopus Citedby
- https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=84875424935&origin=inward
- URL
- https://link.aps.org/doi/10.1103/PhysRevLett.110.131801
- ID information
-
- DOI : 10.1103/PhysRevLett.110.131801
- ISSN : 0031-9007
- eISSN : 1079-7114
- Pubmed ID : 23581309
- SCOPUS ID : 84875424935