Search for lepton-flavor-violating τ → ℓ V0 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.
2008
Abstract
We 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{symbol}, ω, K* 0, over(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{symbol}, ℓ K* 0, ℓ over(K, ̄)* 0 and ℓ ρ0 modes. © 2008 Elsevier B.V.
Details
Title
Search for lepton-flavor-violating τ → ℓ V0 decays at Belle
Author(s)
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.
Published in
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume
664
Issue
1-2
Pages
35-40
Date
2008
ISSN
03702693
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Laboratories
LPHE
Record Appears in
Scientific production and competences > SB - School of Basic Sciences > IPHYS - Institute of Physics > LPHE - High Energy Physics Laboratory
Peer-reviewed publications
Work produced at EPFL
Journal Articles
Published
Peer-reviewed publications
Work produced at EPFL
Journal Articles
Published
Record creation date
2010-11-05