First observation of the decay τ- → φ{symbol} K- ντ

K. Inami, K. Abe, K. Abe, I. Adachi, H. Aihara, D. Anipko, K. Arinstein, V. Aulchenko, T. Aushev, S. Bahinipati, A. M. Bakich, E. Barberio, M. Barbero, I. Bedny, I. Bizjak, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, A. ChenK. F. Chen, W. T. Chen, R. Chistov, Y. Choi, Y. K. Choi, J. Dalseno, M. Danilov, A. Drutskoy, S. Eidelman, D. Epifanov, S. Fratina, N. Gabyshev, T. Gershon, G. Gokhroo, H. Ha, J. Haba, K. Hara, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, T. Hokuue, Y. Hoshi, S. Hou, W. S. Hou, Y. B. Hsiung, T. Iijima, A. Ishikawa, R. Itoh, Y. Iwasaki, J. H. Kang, P. Kapusta, S. U. Kataoka, H. Kawai, T. Kawasaki, H. R. Khan, H. Kichimi, Y. J. Kim, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, A. Kuzmin, Y. J. Kwon, G. Leder, T. Lesiak, S. W. Lin, D. Liventsev, G. Majumder, F. Mandl, T. Matsumoto, A. Matyja, S. McOnie, W. Mitaroff, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, J. Mueller, Y. Nagasaka, I. Nakamura, E. Nakano, M. Nakao, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, Y. Onuki, H. Ozaki, H. Palka, C. W. Park, H. Park, L. S. Peak, L. E. Piilonen, A. Poluektov, Y. Sakai, T. Schietinger, O. Schneider, A. J. Schwartz, R. Seidl, K. Senyo, M. E. Sevior, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, S. Y. Suzuki, O. Tajima, N. Tamura, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, T. Tsukamoto, S. Uehara, K. Ueno, T. Uglov, S. Uno, P. Urquijo, Y. Usov, G. Varner, S. Villa, Eunil Won, C. H. Wu, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, L. M. Zhang, V. Zhilich, A. Zupanc

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Abstract

We present the first observation of τ lepton decays to hadronic final states with a φ{symbol}-meson. This analysis is based on 401 fb-1 of data accumulated at the Belle experiment. The branching fraction obtained is B (τ- → φ{symbol} K- ντ) = (4.05 ± 0.25 ± 0.26) × 10-5.

Original languageEnglish
Pages (from-to)5-10
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume643
Issue number1
DOIs
Publication statusPublished - 2006 Nov 30

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Keywords

  • Phi
  • Tau

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Inami, K., Abe, K., Abe, K., Adachi, I., Aihara, H., Anipko, D., Arinstein, K., Aulchenko, V., Aushev, T., Bahinipati, S., Bakich, A. M., Barberio, E., Barbero, M., Bedny, I., Bizjak, I., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., ... Zupanc, A. (2006). First observation of the decay τ- → φ{symbol} K- ντ Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 643(1), 5-10. https://doi.org/10.1016/j.physletb.2006.10.027