Author: "Miyazaki, Y." / Topic: colliders (nuclear physics) - Searchworks@Jio Institute Digital Library Search Results

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Author: Miyazaki, Y., Hayasaka, K., Adachi, I., Aihara, H., Asner, D.M., Aulchenko, V., Aushev, T., Bakich, A.M., Bay, A., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Bozek, A., Bračko, M., Browder, T.E., Chang, M.-C., Chen, A., Chen, P., Cheon, B.G., and Chistov, R.
Subjects: *LEPTONS (Nuclear physics), *PARTICLE decays, *ACQUISITION of data, *NUCLEAR counters, *MESONS, *COLLIDERS (Nuclear physics), *ELECTRONS
Abstract: Abstract: We search for lepton-flavor and lepton-number-violating τ decays into a lepton (ℓ= electron or muon) and two charged mesons ( or ) using of data collected with the Belle detector at the KEKB asymmetric-energy collider. We obtain 90% confidence level upper limits on the branching fractions in the range . These results improve upon our previously published upper limits by factors of about 1.8 on average. [Copyright &y& Elsevier]
Published: 2013
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Author: Miyazaki, Y., Aihara, H., Arinstein, K., Aulchenko, V., Bakich, A.M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bhardwaj, V., Bischofberger, M., Bondar, A., Bozek, A., Bračko, M., Browder, T.E., Chen, A., Chen, P., Cheon, B.G., Chiang, C.-C., and Cho, I.-S.
Subjects: *LEPTONS (Nuclear physics), *FLAVOR in particle physics, *CP violation, *RADIOACTIVE decay, *VECTOR mesons, *COLLIDERS (Nuclear physics), *BRANCHING ratios
Abstract: Abstract: We search for lepton-flavor-violating decays, where ℓ is an electron or muon and is one of the vector mesons , ϕ, ω, and . We use of data collected with the Belle detector at the KEKB asymmetric-energy 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 . [Copyright &y& Elsevier]
Published: 2011
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Author: Miyazaki, Y., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Bakich, A.M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bischofberger, M., Bozek, A., Bračko, M., Browder, T.E., Chang, M.-C., Chang, P., Chen, A., Chen, K.-F., Chen, P., and Cheon, B.G.
Subjects: *LEPTONS (Nuclear physics), *FLAVOR in particle physics, *CP violation, *RADIOACTIVE decay, *COLLIDERS (Nuclear physics), *BRANCHING ratios, *OBSERVED confidence levels (Statistics)
Abstract: Abstract: We have searched for the lepton-flavor-violating decays and (), using a data sample of 671 fb−1 collected with the Belle detector at the KEKB asymmetric-energy collider. No evidence for a signal was found in any of the decay modes, and we set the following upper limits for the branching fractions: , , and at the 90% confidence level. [ABSTRACT FROM AUTHOR]
Published: 2010
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Author: Miyazaki, Y., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., Bakich, A.M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bhardwaj, V., Bischofberger, M., Bondar, A., Bračko, M., Browder, T.E., Chang, P., Chen, A., Cheon, B.G., Cho, I.-S., and Choi, Y.
Subjects: *LEPTONS (Nuclear physics), *FLAVOR in particle physics, *CP violation, *RADIOACTIVE decay, *PARTICLE accelerators, *COLLIDERS (Nuclear physics)
Abstract: Abstract: We search for lepton flavor and lepton number violating τ decays into a lepton ( or muon) and two charged mesons ( or ), and , using 671 fb−1 of data collected with the Belle detector at the KEKB asymmetric-energy collider. We obtain 90% C.L. upper limits on the branching fractions in the range for , and for processes. These results improve upon previously published upper limits by factors between 1.6 to 8.8. [Copyright &y& Elsevier]
Published: 2010
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Author: Miyazaki, Y.
Subjects: *LEPTONS (Nuclear physics), *PARTICLE decays, *FLAVOR in particle physics, *PHYSICS experiments, *PARTICLE accelerators, *COLLIDERS (Nuclear physics), *BRANCHING ratios
Abstract: We review recent searches for lepton flavor violation in decays based on of data collected with the Belle detector at the KEKB asymmetric-energy collider. No evidence for these decays is observed and we set 90% confidence level upper limits on the branching fractions at the level. [Copyright &y& Elsevier]
Published: 2009
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Author: Hayasaka, K., Inami, K., Miyazaki, Y., Arinstein, K., Aulchenko, V., Aushev, T., Bakich, A.M., Bay, A., Belous, K., Bhardwaj, V., Bischofberger, M., Bozek, A., Bračko, M., Browder, T.E., Chang, M.-C., Chang, P., Chen, A., Chen, P., Cheon, B.G., and Chiang, C.-C.
Subjects: *RADIOACTIVE decay, *CP violation, *LEPTONS (Nuclear physics), *FLAVOR in particle physics, *COLLIDERS (Nuclear physics), *DETECTORS
Abstract: Abstract: We present a search for lepton-flavor-violating τ decays into three leptons (electrons or muons) using 782 fb−1 of data collected with the Belle detector at the KEKB asymmetric-energy collider. No evidence for these decays is observed and we set 90% confidence level upper limits on the branching fractions between and . [Copyright &y& Elsevier]
Published: 2010
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Author: Usuki, Y., Inami, K., Hayasaka, K., Miyazaki, Y., and Ohshima, T.
Subjects: *HADRON decay, *PHYSICAL measurements, *BRANCHING ratios, *PARTICLE accelerators, *COLLIDERS (Nuclear physics), *VECTOR dominance model, MESON decay
Abstract: We have measured branching fractions of hadronic τ-decays involving an η meson, using 490 fb−1 of data collected with the Belle detector at the KEKB asymmetric-energy collider: , , , , and . Thoese results are compared with theoretical calculations based on the CVC hypothesis or the VDM model. [Copyright &y& Elsevier]
Published: 2009
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