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research article
Search for neutrinoless decays τ→3ℓ
We have searched for neutrinoless τ lepton decays into three charged leptons using an 87.1fb-1 data sample collected with the Belle detector at the KEKB e+e- collider. Since the number of signal candidate events is compatible with that expected from the background, we set 90% confidence level upper limits on the branching fractions in the range (1.9-3.5)×10-7 for various decay modes τ -→ℓ-ℓ+ℓ- where ℓ represents e or μ. © 2004 Published by Elsevier B.V.
Type
research article
Scopus ID
2-s2.0-2442447414
Authors
Yusa, Y.
•
Nagamine, T.
•
Yamaguchi, A.
•
Abe, K.
•
Abe, K.
•
Abe, T.
•
Adachi, I.
•
Aihara, H.
•
Akatsu, M.
•
Asano, Y.
Publication date
2004
Volume
589
Issue
3-4
Start page
103
End page
110
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
November 5, 2010
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