Search for lepton-flavor-violating τ decays into a lepton and a vector meson

  • Y. Miyazaki
  • , H. Aihara
  • , K. Arinstein
  • , V. Aulchenko
  • , A. M. Bakich
  • , V. Balagura
  • , E. Barberio
  • , A. Bay
  • , K. Belous
  • , V. Bhardwaj
  • , M. Bischofberger
  • , A. Bondar
  • , A. Bozek
  • , M. Bračko
  • , T. E. Browder
  • , A. Chen
  • , P. Chen
  • , B. G. Cheon
  • , C. C. Chiang
  • , I. S. Cho
  • K. Cho, K. S. Choi, Y. Choi, J. Dalseno, M. Danilov, Z. Doležal, A. Drutskoy, S. Eidelman, D. Epifanov, N. Gabyshev, A. Garmash, B. Golob, H. Ha, J. Haba, K. Hara, K. Hayasaka, H. Hayashii, Y. Horii, Y. Hoshi, W. S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, K. Inami, R. Itoh, M. Iwabuchi, N. J. Joshi, T. Julius, D. H. Kah, J. H. Kang, H. Kawai, T. Kawasaki, C. Kiesling, H. J. Kim, H. O. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Križan, T. Kumita, A. Kuzmin, Y. J. Kwon, S. H. Kyeong, J. S. Lange, M. J. Lee, S. H. Lee, Y. Li, C. Liu, Y. Liu, D. Liventsev, R. Louvot, S. McOnie, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, T. Mori, Y. Nagasaka, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, G. Pakhlova, C. W. Park, H. Park, H. K. Park, R. Pestotnik, M. Petrič, L. E. Piilonen, A. Poluektov, M. Röhrken, S. Ryu, H. Sahoo, K. Sakai, Y. Sakai, O. Schneider, C. Schwanda, K. Senyo, M. E. Sevior, M. Shapkin, V. Shebalin, C. P. Shen, J. G. Shiu, B. Shwartz, F. Simon, P. Smerkol, Y. S. Sohn, A. Sokolov, S. Stanič, M. Starič, T. Sumiyoshi, Y. Teramoto, K. Trabelsi, S. Uehara, T. Uglov, Y. Unno, S. Uno, Y. Usov, S. E. Vahsen, G. Varner, A. Vinokurova, A. Vossen, C. H. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, H. Yamamoto, Y. Yamashita, Z. P. Zhang, V. Zhilich, V. Zhulanov, T. Zivko, A. Zupanc, O. Zyukova

Research output: Contribution to journalArticlepeer-review

69 Scopus citations

Abstract

We search for lepton-flavor-violating τ→ℓV0 decays, where ℓ is an electron or muon and V0 is one of the vector mesons ρ0, φ, ω, K*0 and K*0. We use 854 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No evidence for a signal is found in any decay mode, and we obtain 90% confidence level upper limits on the individual branching fractions in the range (1.2-8.4)×10-8.

Original languageEnglish
Pages (from-to)251-257
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume699
Issue number4
DOIs
StatePublished - 16 May 2011

Keywords

  • B-factory
  • Lepton flavor violation
  • Tau

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