Search for lepton-flavor-violating τ decays into three leptons with 719 million produced pairs

Authors :: Hayasaka, K.
Inami, K.
Miyazaki, Y.
Arinstein, K.
Aulchenko, V.
Aushev, T.
Bakich, A.M.
Bay, A.
Belous, K.
Bhardwaj, V.
Bischofberger, M.
Bozek, A.
Bračko, M.
Browder, T.E.
Chang, M.-C.
Chang, P.
Chen, A.
Chen, P.
Cheon, B.G.
Chiang, C.-C.
Source :: Physics Letters B. Apr2010, Vol. 687 Issue 2/3, p139-143. 5p.
Publication Year :: 2010
Abstract: Abstract: We present a search for lepton-flavor-violating τ decays into three leptons (electrons or muons) using 782 fb−1 of data collected with the Belle detector at the KEKB asymmetric-energy collider. No evidence for these decays is observed and we set 90% confidence level upper limits on the branching fractions between and . [Copyright &y& Elsevier]

Subjects :: *RADIOACTIVE decay
*CP violation
*LEPTONS (Nuclear physics)
*FLAVOR in particle physics
*COLLIDERS (Nuclear physics)
*DETECTORS

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