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Search for lepton flavor violating τ → ℓv 0 decays at Belle

Authors
Abe, K.Adachi, I.Aihara, H.Arinstein, K.Aso, T.Aulchenko, V.Aushev, T.Aziz, T.Bahinipati, S.M., Bakich A.Balagura, V.Ban, Y.Banerjee, S.Barberio, E.Bay, A.Bedny, I.Belous, K.Bhardwaj, V.Bitenc, U.Blyth, S.Bondar, A.Bozek, A.Bracko, M.Brodzicka, J.Browder, T.E.Chang, M.-C.Chang, P.Chao, Y.Chen, A.Chen, K.-F.Chen, W.T.Cheon, B.G.Chiang, C.-C.Chistov, R.Cho, I.-S.Choi, S.-K.Choi, Y.Choi, Y.K.Cole, S.Dalseno, J.Danilov, M.Das, A.Dash, M.Dragic, J.Drutskoy, A.Eidelman, S.Epifanov, D.Fratina, S.Fujii, H.Fujikawa, M.Gabyshev, N.Garmash, A.Go, A.Gokhroo, G.Goldenzweig, P.Golob, B.Grosse, Perdekamp M.Guler, H.Ha, H.Haba, J.Hara, K.Hara, T.Hasegawa, Y.Hastings, N.C.Hayasaka, K.Hayashii, H.Hazumi, M.Heffernan, D.Higuchi, T.Hinz, L.Hoedlmoser, H.Hokuue, T.Horii, Y.Hoshi, Y.Hoshina, K.Hou, S.Hou, W.-S.Hsiung, Y.B.Hyun, H.J.Igarashi, Y.Iijima, T.Ikado, K.Inami, K.Ishikawa, A.Ishino, H.Itoh, R.Iwabuchi, M.Iwasaki, M.Iwasaki, Y.Jacoby, C.Joshi, N.J.Kaga, M.Kah, D.H.Kaji, H.Kajiwara, S.Kakuno, H.Kang, J.H.Kapusta, P.Kataoka, S.U.Katayama, N.Kawai, H.Kawasaki, T.Kibayashi, A.Kichimi, H.Kim, H.J.Kim, H.O.Kim, J.H.Kim, S.K.Kim, Y.J.Kinoshita, K.Korpar, S.Kozakai, Y.Krizan, P.Krokovny, P.Kumar, R.Kurihara, E.Kusaka, A.Kuzmin, A.Kwon, Y.-J.Lange, J.S.Leder, G.Lee, J.Lee, J.S.Lee, M.J.Lee, S.E.Lesiak, T.Li, J.Limosani, A.Lin, S.-W.Liu, Y.Liventsev, D.MacNaughton, J.Majumder, G.Mandl, F.Marlow, D.Matsumura, T.Matyja, A.McOnie, S.Medvedeva, T.Mikami, Y.Mitaroff, W.Miyabayashi, K.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Moloney, G.R.Mori, T.Mueller, J.Murakami, A.Nagamine, T.Nagasaka, Y.Nakahama, Y.Nakamura, I.Nakano, E.Nakao, M.Nakayama, H.Nakazawa, H.Natkaniec, Z.Neichi, K.Nishida, S.Nishimura, K.Nishio, Y.Nishizawa, I.Nitoh, O.Noguchi, S.Nozaki, T.Ogawa, A.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S.L.Ono, S.Ostrowicz, W.Ozaki, H.Pakhlov, P.Pakhlova, G.Palka, H.Park, C.W.Park, H.Park, K.S.Parslow, N.Peak, L.S.Pernicka, M.Pestotnik, R.Peters, M.Piilonen, L.E.Poluektov, A.Rorie, J.Rozanska, M.Sahoo, H.Sakai, Y.Sakaue, H.Sasao, N.Sarangi, T.R.Satoyama, N.Sayeed, K.Schietinger, T.Schneider, O.Sch?nmeier, P.Sch?mann, J.Schwanda, C.Schwartz, A.J.Seidl, R.Sekiya, A.Senyo, K.Sevior, M.E.Shang, L.Shapkin, M.Shen, C.P.Shibuya, H.Shinomiya, S.Shiu, J.-G.Shwartz, B.Singh, J.B.Sokolov, A.Solovieva, E.Somov, A.Stanic, S.Staric, M.Stypula, J.Sugiyama, A.Sumisawa, K.Sumiyoshi, T.Suzuki, S.Suzuki, S.Y.Tajima, O.Takasaki, F.Tamai, K.Tamura, N.Tanaka, M.Taniguchi, N.Taylor, G.N.Teramoto, Y.Tikhomirov, I.Trabelsi, K.Tse, Y.F.Tsuboyama, T.Uchida, K.Uchida, Y.Uehara, S.Ueno, K.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Ushiroda, Y.Usov, Y.Varner, G.Varvell, K.E.Vervink, K.Villa, S.Vinokurova, A.Wang, C.C.Wang, C.H.Wang, J.Wang, M.-Z.Wang, P.Wang, X.L.Watanabe, M.Watanabe, Y.Wedd, R.Wicht, J.Widhalm, L.Wiechczynski, J.Won, E.Yabsley, B.D.Yamaguchi, A.Yamamoto, H.Yamaoka, M.Yamashita, Y.Yamauchi, M.Yuan, C.Z.Yusa, Y.Zhang, C.C.Zhang, L.M.Zhang, Z.P.Zhilich, V.Zhulanov, V.Zupanc, A.Zwahlen, N.
Issue Date
Aug-2007
Citation
23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007
Indexed
SCOPUS
Journal Title
23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172254
ISSN
0000-0000
Abstract
We have searched for neutrinoless τ lepton decays into ℓ and V 0, where ℓ stands for an electron or muon, and V 0 for a vector meson (φ, ω, K*0 or ̄K* 0), 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 is observed, and we set upper limits on the branching fractions in the range (0.7- 1.8) ×10-7 at the 90% confidence level. These upper limits include the first results for ℓω as well as new limits that are 3.6 - 9.6 times more restrictive than our previous results for ℓφ, ℓKπ and ℓ ̄K *0.
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서울 자연과학대학 > 서울 물리학과 > 1. Journal Articles

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