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Search for lepton flavor violating τ decays into three leptons

  • K. Abe
  • , I. Adachi
  • , H. Aihara
  • , K. Arinstein
  • , T. Aso
  • , V. Aulchenko
  • , T. Aushev
  • , T. Aziz
  • , S. Bahinipati
  • , A. M. Bakich
  • , V. Balagura
  • , Y. Ban
  • , S. Banerjee
  • , E. Barberio
  • , A. Bay
  • , I. Bedny
  • , K. Belous
  • , V. Bhardwaj
  • , U. Bitenc
  • , S. Blyth
  • A. Bondar, A. Bozek, M. Bracko, J. Brodzicka, T. E. Browder, M. C. Chang, P. Chang, Y. Chao, A. Chen, K. F. Chen, W. T. Chen, B. G. Cheon, C. C. Chiang, R. Chistov, I. S. Cho, S. K. Choi, Y. Choi, Y. K. Choi, S. Cole, J. Dalseno, M. Danilov, A. Das, M. Dash, J. Dragic, A. Drutskoy, S. Eidelman, D. Epifanov, S. Fratina, H. Fujii, M. Fujikawa, N. Gabyshev, A. Garmash, A. Go, G. Gokhroo, P. Goldenzweig, B. Golob, M. Grosse Perdekamp, H. Guler, H. Ha, J. Haba, K. Hara, T. Hara, Y. Hasegawa, N. C. Hastings, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, T. Higuchi, L. Hinz, H. Hoedlmoser, T. Hokuue, Y. Horii, Y. Hoshi, K. Hoshina, S. Hou, W. S. Hou, Y. B. Hsiung, H. J. Hyun, Y. Igarashi, T. Iijima, K. Ikado, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwabuchi, M. Iwasaki, Y. Iwasaki, C. Jacoby, N. J. Joshi, M. Kaga, D. H. Kah, H. Kaji, S. Kajiwara, H. Kakuno, J. H. Kang, P. Kapusta, S. U. Kataoka, N. Katayama, H. Kawai, T. Kawasaki, A. Kibayashi, H. Kichimi, H. J. Kim, H. O. Kim, J. H. Kim, S. K. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, Y. Kozakai, P. Krizan, P. Krokovny, R. Kumar, E. Kurihara, A. Kusaka, A. Kuzmin, Y. J. Kwon, J. S. Lange, G. Leder, J. Lee, J. S. Lee, M. J. Lee, S. E. Lee, T. Lesiak, J. Li, A. Limosani, S. W. Lin, Y. Liu, D. Liventsev, J. MacNaughton, G. Majumder, F. Mandl, D. Marlow, T. Matsumura, A. Matyja, S. McOnie, T. Medvedeva, Y. Mikami, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, G. R. Moloney, T. Mori, J. Mueller, A. Murakami, T. Nagamine, Y. Nagasaka, Y. Nakahama, I. Nakamura, E. Nakano, M. Nakao, H. Nakayama, H. Nakazawa, Z. Natkaniec, K. Neichi, S. Nishida, K. Nishimura, Y. Nishio, I. Nishizawa, O. Nitoh, S. Noguchi, T. Nozaki, A. Ogawa, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, S. Ono, W. Ostrowicz, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Palka, C. W. Park, H. Park, K. S. Park, N. Parslow, L. S. Peak, M. Pernicka, R. Pestotnik, M. Peters, L. E. Piilonen, A. Poluektov, J. Rorie, M. Rozanska, H. Sahoo, Y. Sakai, H. Sakaue, N. Sasao, T. R. Sarangi, N. Satoyama, K. Sayeed, T. Schietinger, O. Schneider, P. Schönmeier, J. Schümann, C. Schwanda, A. J. Schwartz, R. Seidl, A. Sekiya, K. Senyo, M. E. Sevior, L. Shang, M. Shapkin, C. P. Shen, H. Shibuya, S. Shinomiya, J. G. Shiu, B. Shwartz, J. B. Singh, A. Sokolov, E. Solovieva, A. Somov, S. Stanic, M. Staric, J. Stypula, A. Sugiyama, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. Y. Suzuki, O. Tajima, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, N. Taniguchi, G. N. Taylor, Y. Teramoto, I. Tikhomirov, K. Trabelsi, Y. F. Tse, T. Tsuboyama, K. Uchida, Y. Uchida, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, G. Varner, K. E. Varvell, K. Vervink, S. Villa, A. Vinokurova, C. C. Wang, C. H. Wang, J. Wang, M. Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, R. Wedd, J. Wicht, L. Widhalm, J. Wiechczynski, E. Won, B. D. Yabsley, A. Yamaguchi, H. Yamamoto, M. Yamaoka, Y. Yamashita, M. Yamauchi, C. Z. Yuan, Y. Yusa, C. C. Zhang, L. M. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc, N. Zwahlen
  • High Energy Accelerator Research Organization (KEK)
  • University of Tokyo
  • Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
  • Toyama National College of Maritime Technology
  • Institute for Theoretical and Experimental Physics
  • ENAC-IIC-GEL
  • Tata Institute of Fundamental Research, Mumbai
  • University of Cincinnati
  • University of Sydney
  • Tsinghua University
  • University of Melbourne
  • Kurchatov Institute
  • Panjab University
  • Department of Biochemistry and Molecular and Structural Biology
  • National United University Taiwan
  • Institute for Nuclear Physics
  • University of Maribor
  • University of Hawaii
  • Fu Jen Catholic University
  • National Taiwan University
  • National Central University
  • Hanyang University
  • Yonsei University
  • Gyeongsang National University
  • Sungkyunkwan University
  • Virginia Polytechnic Institute and State University
  • Nara Women's University
  • Princeton University
  • University of Ljubljana
  • University of Illinois at Urbana-Champaign
  • Riken BNL Research Center
  • Korea University
  • Nagoya University
  • Osaka University
  • Shinshu University
  • Tohoku University
  • Tohoku Gakuin University
  • Tokyo University of Agriculture and Technology
  • Kyungpook National University
  • Saga University
  • Tokyo Institute of Technology
  • The Graduate University for Advanced Studies
  • Chiba University
  • Niigata University
  • Seoul National University
  • Justus-Liebig-Universität Giessen
  • Institut für Hochenergiephysik
  • University of Pittsburgh
  • Hiroshima Institute of Technology
  • Osaka City University
  • Tokyo Metropolitan University
  • Toho University
  • Kanagawa University
  • Kyoto University
  • Institute of High Energy Physics, Chinese Academy of Sciences
  • University of Nova Gorica
  • Nippon Dental University
  • University of Science and Technology of China

Résultats de recherche: Contribution à une conférencePapierRevue par des pairs

Résumé

We search for lepton-flavor-violating τ decays into three leptons (electron or muon) using 535 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No evidence for these decays is observed and we set 90% confidence level upper limits on the branching fractions between 2.0 × 10-8 and 4.1 × 10 -8. These results improve the best previously published upper limits by factors from 4.9 to 7.0.

langue originaleAnglais
étatPublié - 1 déc. 2007
Modification externeOui
Evénement23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007 - Daegu, Corée du Sud
Durée: 13 août 200718 août 2007

Une conférence

Une conférence23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007
Pays/TerritoireCorée du Sud
La villeDaegu
période13/08/0718/08/07

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