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Journal article

Search for the decay τ-→3π-2π+2π0ντ

Abstract:

A search for the decay of the τ lepton to five charged and two neutral pions is performed using data collected by the BABAR detector at the PEP-II asymmetric-energy e+e- collider. The analysis uses 232fb-1 of data at center-of-mass energies on or near the Υ(4S) resonance. We observe 10 events with an expected background of 6.5-1.4+2.0 events. In the absence of a signal, we set the limit on the branching ratio B(τ-→3π- 2π+2π0ντ)<3.4×10-6 at the 90% confidence level. This is a significant im...

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Publisher copy:
10.1103/PhysRevD.73.112003

Authors


Boutigny, D More by this author
Couderc, F More by this author
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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
73
Issue:
11
Publication date:
2006
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:9bc12ebd-7b11-408d-8524-e3d05a886d7f
Source identifiers:
315172
Local pid:
pubs:315172
Language:
English

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