Search for lepton-flavor-violating τ decays into a lepton and a vector meson using the full Belle data sample

被引：3
|
作者：
Tsuzuki, N.
Inami, K.
Adachi, I.
Aihara, H.
Asner, D. M.
Atmacan, H.
Aushev, T.
Ayad, R.
Babu, V.
Banerjee, Sw.
Behera, P.
Belous, K.
Bennett, J.
Bessner, M.
Bhuyan, B.
Bilka, T.
Biswas, D.
Bodrov, D.
Borah, J.
Bozek, A.
Bracko, M.
Branchini, P.
Browder, T. E.
Budano, A.
Campajola, M.
Cervenkov, D.
Chang, M. -C.
Cheon, B. G.
Chilikin, K.
Cho, H. E.
Cho, K.
Cho, S. -J.
Choi, S. -K.
Choi, Y.
Choudhury, S.
Cinabro, D.
Cochran, J.
Das, S.
Dash, N.
De Nardo, G.
De Pietro, G.
Dhamija, R.
Di Capua, F.
Dolezal, Z.
Dong, T. V.
Dossett, D.
Dubey, S.
Epifanov, D.
Ferber, T.
Ferlewicz, D.
机构：
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 2023卷 / 06期
基金：
美国能源部; 欧盟地平线“2020”; 新加坡国家研究基金会; 澳大利亚研究理事会; 美国国家科学基金会; 瑞士国家科学基金会; 中国国家自然科学基金; 奥地利科学基金会; 日本学术振兴会;
关键词：
e(+)-e(-) Experiments; Tau Physics; IDENTIFICATION; SIMULATION;
D O I：
10.1007/JHEP06(2023)118
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Charged-lepton-flavor-violation is predicted in several new physics scenarios. We update the analysis of tau lepton decays into a light charged lepton (l = e(+/-) or mu(+/-)) and a vector meson (V-0 = rho(0), phi, omega, K-*0, or (K) over bar (*0)) using 980 fb(-1) of data collected with the Belle detector at the KEKB collider. No significant excess of such signal events is observed, and thus 90% credibility level upper limits are set on the tau -> lV(0) branching fractions in the range of (1.7- 4.3) x 10(-8). These limits are improved by 30% on average from the previous results.
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收藏
页数：19
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