Search for lepton flavor violating τ− decays with a KS0 meson
- Miyazaki, Y.
- Abe, K.
- Abe, K.
- Aihara, H.
- Anipko, D.
- Arinstein, K.
- Aulchenko, V.
- Aushev, T.
- Bakich, A.M.
- Barbero, M.
- Bedny, I.
- Belous, K.
- Bitenc, U.
- Bizjak, I.
- Blyth, S.
- Bondar, A.
- Bozek, A.
- Bračko, M.
- Browder, T.E.
- Chen, A.
- Chen, W.T.
- Chistov, R.
- Choi, Y.
- Choi, Y.K.
- Chuvikov, A.
- Cole, S.
- Dalseno, J.
- Danilov, M.
- Dash, M.
- Dragic, J.
- Eidelman, S.
- Epifanov, D.
- Gabyshev, N.
- Gershon, T.
- Gorišek, A.
- Ha, H.
- Hayasaka, K.
- Hayashii, H.
- Hazumi, M.
- Heffernan, D.
- Hokuue, T.
- Hoshi, Y.
- Hou, S.
- Iijima, T.
- Imoto, A.
- Inami, K.
- Ishikawa, A.
- Itoh, R.
- Iwasaki, M.
- Iwasaki, Y.
- Kang, J.H.
- Kapusta, P.
- Kawai, H.
- Khan, H.R.
- Kichimi, H.
- Kim, H.O.
- Korpar, S.
- Krokovny, P.
- Kumar, R.
- Kuo, C.C.
- Kuzmin, A.
- Kwon, Y.-J.
- Lee, J.
- Lesiak, T.
- Lin, S.-W.
- Mandl, F.
- Matsumoto, T.
- McOnie, S.
- Mitaroff, W.
- Miyake, H.
- Miyata, H.
- Nakano, E.
- Nakao, M.
- Nishida, S.
- Nitoh, O.
- Noguchi, S.
- Ogawa, S.
- Ohshima, T.
- Okabe, T.
- Okuno, S.
- Onuki, Y.
- Ozaki, H.
- Palka, H.
- Park, H.
- Peak, L.S.
- Pestotnik, R.
- Piilonen, L.E.
- Poluektov, A.
- Sakai, Y.
- Schietinger, T.
- Schneider, O.
- Seidl, R.
- Senyo, K.
- Sevior, M.E.
- Shapkin, M.
- Shibuya, H.
- Shwartz, B.
- Sidorov, V.
- Singh, J.B.
- Somov, A.
- Soni, N.
- Stanič, S.
- Starič, M.
- Stoeck, H.
- Sumisawa, K.
- Sumiyoshi, T.
- Takasaki, F.
- Tamura, N.
- Tanaka, M.
- Taylor, G.N.
- Teramoto, Y.
- Tian, X.C.
- Tsukamoto, T.
- Uehara, S.
- Ueno, K.
- Uglov, T.
- Uno, S.
- Urquijo, P.
- Usov, Y.
- Varner, G.
- Villa, S.
- Wang, C.C.
- Wang, C.H.
- Watanabe, Y.
- Won, E.
- Yamaguchi, A.
- Yamashita, Y.
- Yamauchi, M.
- Zhang, L.M.
- Zhilich, V.
DOIAbstract
AbstractWe have searched for the lepton flavor violating decays τ−→ℓ−KS0 (ℓ=e or μ), using a data sample of 281 fb−1 collected with the Belle detector at the KEKB e+e− asymmetric-energy collider. No evidence for a signal was found in either of the decay modes, and we set the following upper limits for the branching fractions: B(τ−→e−KS0)<5.6×10−8 and B(τ−→μ−KS0)<4.9×10−8 at the 90% confidence level. These results improve the previously published limits set by the CLEO Collaboration by factors of 16 and 19, respectively
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