Search for lepton-flavor-violating τ→ℓV0 decays at Belle
- Nishio, Y.
- Inami, K.
- Ohshima, T.
- Adachi, I.
- Aihara, H.
- Arinstein, K.
- Aulchenko, V.
- Aushev, T.
- Aziz, T.
- Bakich, A.M.
- Balagura, V.
- Barberio, E.
- Bedny, I.
- Belous, K.
- Bitenc, U.
- Blyth, S.
- Bondar, A.
- Bračko, M.
- Browder, T.E.
- Chen, A.
- Chen, W.T.
- Cheon, B.G.
- Cho, I.-S.
- Choi, Y.
- Dalseno, J.
- Danilov, M.
- Dash, M.
- Drutskoy, A.
- Eidelman, S.
- Epifanov, D.
- Gabyshev, N.
- Golob, B.
- Ha, H.
- Haba, J.
- Hara, K.
- Hayasaka, K.
- Hayashii, H.
- Hazumi, M.
- Horii, Y.
- Hoshi, Y.
- Hou, W.-S.
- Hsiung, Y.B.
- Iijima, T.
- Ishikawa, A.
- Itoh, R.
- Iwasaki, M.
- Iwasaki, Y.
- Joshi, N.J.
- Kah, D.H.
- Kaji, H.
- Kang, J.H.
- Katayama, N.
- Kawai, H.
- Kawasaki, T.
- Kichimi, H.
- Kim, Y.J.
- Korpar, S.
- Kozakai, Y.
- Križan, P.
- Krokovny, P.
- Kumar, R.
- Kuo, C.C.
- Kuroki, Y.
- Kuzmin, A.
- Kwon, Y.-J.
- Lee, J.S.
- Lee, M.J.
- Lee, S.E.
- Lesiak, T.
- Limosani, A.
- Liu, Y.
- Liventsev, D.
- Mandl, F.
- McOnie, S.
- Miyake, H.
- Miyata, H.
- Miyazaki, Y.
- Mizuk, R.
- Moloney, G.R.
- Mori, T.
- Nakano, E.
- Nakao, M.
- Nakazawa, H.
- Nishida, S.
- Nitoh, O.
- Ogawa, S.
- Okuno, S.
- Ozaki, H.
- Pakhlov, P.
- Pakhlova, G.
- Park, C.W.
- Park, H.
- Pestotnik, R.
- Piilonen, L.E.
- Poluektov, A.
- Sakai, Y.
- Schneider, O.
- Senyo, K.
- Sevior, M.E.
- Shapkin, M.
- Shebalin, V.
- Shibuya, H.
- Shiu, J.-G.
- Shwartz, B.
- Singh, J.B.
- Sokolov, A.
- Somov, A.
- Stanič, S.
- Starič, M.
- Sumiyoshi, T.
- Takasaki, F.
- Tanaka, M.
- Taylor, G.N.
- Teramoto, Y.
- Tikhomirov, I.
- Uehara, S.
- Ueno, K.
- Uglov, T.
- Unno, Y.
- Uno, S.
- Usov, Y.
- Varner, G.
- Villa, S.
- Vinokurova, A.
- Wang, C.H.
- Wang, P.
- Wang, X.L.
- Watanabe, Y.
- Won, E.
- Yamashita, Y.
- Zhang, Z.P.
- Zhilich, V.
- Zhulanov, V.
- Zupanc, A.
- Zyukova, O.
Publication date
June 2008
DOI Publisher
Elsevier B.V. Published by Elsevier B.V.Abstract
AbstractWe have searched for neutrinoless τ lepton decays into ℓ and V0, where ℓ stands for an electron or muon, and V0 for a vector meson (ϕ, ω, K∗0, K¯∗0 or ρ0), using 543 fb−1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e− collider. No excess of signal events over the expected background has been observed, and we set upper limits on the branching fractions in the range (5.9–18)×10−8 at the 90% confidence level. These upper limits are significantly more restrictive than our previous results for the ℓϕ, ℓK∗0, ℓK¯∗0 and ℓρ0 modes
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