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Search for the lepton-flavor-violating decay tau- -->micro-eta at Belle |
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| Authors: | Enari Y Abe K Abe K Abe T Adachi I Aihara H Asano Y Aso T Aulchenko V Aushev T Bakich A M Ban Y Bedny I Bizjak I Bondar A Bozek A Bracko M Browder T E Chao Y Cheon B G Choi S-K Choi Y Choi Y K Chuvikov A Danilov M Dong L Y Eidelman S Eiges V Epifanov D Fukunaga C Gabyshev N Garmash A Gershon T Gokhroo G Golob B Handa F Hara T Hayasaka K Hayashii H Hazumi M Hokuue T Hoshi Y Hou W-S Huang H-C Iijima T Inami K Ishikawa A Itoh R Iwasaki H Iwasaki M Iwasaki Y Kang J H Kang J S Kataoka S U Katayama N Kawai H Kawasaki T Kichimi H Kim H J Kim J H Kinoshita K Koppenburg P Korpar S Krizan P Krokovny P |
| Affiliation: | Nagoya University, Nagoya. |
| Abstract: | We have searched for the lepton flavor violating decay tau(-)-->micro(-)eta using a data sample of 84.3 fb(-1) accumulated with the Belle detector at KEK. The eta meson was detected through the decay modes: eta-->gammagamma and pi(+)pi(-)pi(0). No signal candidates are found, and we obtain an upper limit for the branching fraction B(tau(-)-->micro(-)eta)<3.4 x 10(-7) at the 90% confidence level. |
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