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Search for lepton flavor-violating τ → μγ decay

✍ Scribed by K. Inami; T. Hokuue; T. Ohshimaa

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
614 KB
Volume
123
Category
Article
ISSN
0920-5632

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✦ Synopsis

We search for the lepton flavor-violating T + ~7 decay using 29.7 million T pairs accumulated by the Belle experiment. The main background sources are found to be r pairs with r + ~YU decay and radiative pp events. One event is observed in the signal region, while 2.5 f 0.6 background events are expected. A preliminary upper limit Br(r -+ ~7) < 6 x lo-' at the 90% confidence limit is obtained.

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