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Search for lepton-flavor-violating tau decay into a lepton and an f(0)(980) meson
- Authors
- Miyazaki, Y.; Adachi, I.; Aihara, H.; Arinstein, K.; Aushev, T.; Bakich, A. M.; Bay, A.; Bedny, I.; Bitenc, U.; Bondar, A.; Bozeky, A.; Bracko, M.; Browder, T. E.; Chen, A.; Cheon, B. G.; Cho, I. -S.; Choi, Y.; Dalseno, J.; Dash, M.; Drutskoy, A.; Eidelman, S.; Epifanov, D.; Gabyshev, N.; Goldenzweig, P.; Ha, H.; Haba, J.; Hara, K.; Hayasaka, K.; Hayashii, H.; Heffernan, D.; Horii, Y.; Hoshi, Y.; Hou, W. -S.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Iwasaki, M.; Iwasaki, Y.; Kah, D. H.; Kaji, H.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. O.; Kim, Y. J.; Korpar, S.; Krizan, P.; Krokovny, P.; Kumar, R.; Kuzmin, A.; Kyeong, S. -H.; Lee, J. S.; Li, J.; Liventsev, D.; Louvot, R.; Mandl, F.; McOnie, S.; Medvedeva, T.; Miyata, H.; Nagamine, T.; Nakano, E.; Nakao, M.; Nakazawa, H.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Ozaki, H.; Park, C. W.; Park, H.; Park, H. K.; Pestotnik, R.; Piilonen, L. E.; Poluektov, A.; Sahoo, H.; Sakai, Y.; Schneider, O.; Senyo, K.; Shapkin, M.; Shen, C. P.; Shiu, J. -G.; Shwartz, B.; Stanic, S.; Staric, M.; Sumiyoshi, T.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tikhomirov, I.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Usuki, Y.; Varner, G.; Vinokurova, A.; Wang, C. H.; Wang, P.; Wang, X. L.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zivko, T.; Zupanc, A.; Zyukova, O.
- Issue Date
- 2-3월-2009
- Publisher
- ELSEVIER
- Citation
- PHYSICS LETTERS B, v.672, no.4-5, pp.317 - 322
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICS LETTERS B
- Volume
- 672
- Number
- 4-5
- Start Page
- 317
- End Page
- 322
- ISSN
- 0370-2693
- Abstract
- We search for lepton-flavor-violating tau decays into a lepton (electron or muon) and an f(0)(980) meson using 671 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. No events are observed and we set the following 90% C.L. upper limits on the branching fraction products: beta(tau(-) -> e(-) f(0)(980)) x beta(f(0)(980) -> pi(+)pi(-)) < 3.2 x 10(-8) and beta(tau(-) -> mu(-) f(0)(980)) x beta(f(0)(980) -> pi(+)pi(-)) < 3.4 x 10(-8). This is the first search performed for these modes. (c) 2009 Elsevier B.V. All rights reserved.
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