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Search for the decay B0 → K*0τ+τ- at the Belle experimentopen access
- Authors
- Dong, T. V.; Luo, T.; Adachi, I.; Aihara, H.; Asner, D. M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Bahinipati, S.; Behera, P.; Belous, K.; Bernlochner, F.; Bessner, M.; Bhuyan, B.; Bilka, T.; Biswal, J.; Bobrov, A.; Bozek, A.; Bracko, M.; Branchini, P.; Browder, T. E.; Budano, A.; Campajola, M.; Cervenkov, D.; Chang, M. -C.; Chang, P.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, H. E.; Cho, K.; Cho, S. -J.; Choi, S. -K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Czank, T.; Das, S.; De Nardo, G.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dingfelder, J.; Dolezal, Z.; Dubey, S.; Epifanov, D.; Ferber, T.; Ferlewicz, D.; Fulsom, B. G.; Garg, R.; Gaur, V.; Gabyshev, N.; Garmash, A.; Giri, A.; Goldenzweig, P.; Graziani, E.; Gu, T.; Gudkova, K.; Hara, T.; Hartbrich, O.; Hayasaka, K.; Villanueva, M. Hernandez; Hou, W. -S.; Hsu, C. -L.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Jacobs, W. W.; Jang, E. -J.; Jia, S.; Jin, Y.; Joo, K. K.; Kahn, J.; Kang, K. H.; Kichimi, H.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, S. H.; Kim, Y. -K.; Kimmel, T. D.; Kodys, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; Krizan, P.; Kroeger, R.; Krokovny, P.; Kuhr, T.; Kulasiri, R.; Kumar, M.; Kumar, R.; Kumara, K.; Kuzmin, A.; Kwon, Y. -J.; Laurenza, M.; Lee, S. C.; Li, J.; Li, L. K.; Li, Y. B.; Gioi, L. Li; Libby, J.; Lieret, K.; Liventsev, D.; MacQueen, C.; Masuda, M.; Matsuda, T.; Matvienko, D.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mizuk, R.; Mohanty, G. B.; Nakao, M.; Natochii, A.; Nayak, L.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Nishimura, K.; Ogawa, S.; Ono, H.; Onuki, Y.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pardi, S.; Park, H.; Park, S. -H.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Podobnik, T.; Popov, V.; Prencipe, E.; Prim, M. T.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, D.; Sandilya, S.; Sangal, A.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schueler, J.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Sharma, C.; Shiu, J. -G.; Simon, F.; Solovieva, E.; Staric, M.; Sumihama, M.; Sumisawa, K.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Trabelsi, K.; Uchida, M.; Unno, Y.; Uno, S.; Van Tonder, R.; Varner, G.; Varvell, K. E.; Waheed, E.; Wang, C. H.; Wang, E.; Wang, P.; Watanabe, M.; Watanuki, S.; Werbycka, O.; Won, E.; Yabsley, B. D.; Yan, W.; Yang, S. B.; Ye, H.; Yin, J. H.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.
- Issue Date
- Jul-2023
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.108, no.1
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 108
- Number
- 1
- ISSN
- 2470-0010
2470-0029
- Abstract
- This paper presents a search for the rare flavor-changing neutral current process B-0 -> K*(0)tau(+)tau(-) using data taken with the Belle detector at the KEKB asymmetric energy e(+)e(-) collider. The analysis is based on the entire Gamma(4S) resonance data sample of 711 fb(-1), corresponding to 772 x 10(6) B (B) over bar pairs. In our search we fully reconstruct the companion B meson produced in the process e(+)e(-) -> Gamma(4S)-> B (B) over bar from its hadronic decay modes, and look for the decay B-0 -> K-*0 tau(+)tau(-) in the rest of the event. No evidence for a signal is found. We report an upper limit on the branching fraction B(B-0 -> K*(0)tau(+)tau(-) ) < 3.1 x 10(-3) at 90% confidence level. This is the first direct limit on B(B-0 -> K*(0)tau(+)tau(-) ).
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Related Researcher
- Kim, D. Y.
- College of Natural Sciences (Department of Physics)