Journal article icon

Journal article

Search for B+->tau(+)nu decays with hadronic B tags

Abstract:

We present a search for the decay B+→τ+ν using 383×106 BB̄ pairs collected at the Υ(4S) resonance with the BABAR detector at the SLAC PEP-II B Factory. We select a sample of events with one completely reconstructed tag B in a hadronic decay mode (B-→D(*)0X-), and examine the rest of the event to search for a B+→τ+ν decay. We identify the τ lepton in the following modes: τ+→e+νν̄, τ+→μ+νν̄, τ+→π+ν̄, and τ+→π+π0ν̄. We find a 2.2σ excess in data and measure a branching fraction of B(B+→τ+ν)=(1.8...

Expand abstract
Publication status:
Published

Actions


Access Document


Publisher copy:
10.1103/PhysRevD.77.011107

Authors


Journal:
Physical Review D More from this journal
Volume:
77
Issue:
1
Publication date:
2008-01-01
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
Language:
English
Pubs id:
pubs:211307
UUID:
uuid:0d0d3ca0-55f9-4ae4-bd1c-d0082399fa36
Local pid:
pubs:211307
Source identifiers:
211307
Deposit date:
2012-12-19

Terms of use


Views and Downloads






If you are the owner of this record, you can report an update to it here: Report update to this record

TO TOP