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Asner, D M; Aulchenko, V; Aushev, T; Ayad, R; Babu, V; Badhrees, I; Behera, P; Bilka, T; Biswal, J; Bobrov, A; Browder, T E; Cao, L; Červenkov, D; Chen, A; Chilikin, K; Cho, K; Choi, S-K; Choi, Y; Cunliffe, S; Dash, N; Doležal, Z; Fast, J E; Ferber, T; Garg, R; Gelb, M; Giri, A; Goldenzweig, P; Guan, Y; Haba, J; Hara, T; Hayasaka, K; Iijima, T; Inami, K; Inguglia, G; Itoh, R; Iwasaki, Y; Jaegle, I; Jeon, H B; Jia, S; Joo, K Joo; Kang, K H; Kawasaki, T; Kiesling, C; Kim, J B; Kodyš, P; Korpar, S; Križan, P; Kroeger, R; Krokovny, P; Kuhr, T; Lange, J S; Li, L K; Gioi, L Li; Libby, J; Liventsev, D; Masuda, M; Matvienko, D; Miyata, H; Mizuk, R; Mohanty, G B; Moon, H K; Nakano, E; Nanut, T; Natkaniec, Z; Nisar, N K; Nishida, S; Ono, H; Pal, B; Paul, S; Resmi, P K; Rostomyan, A; Russo, G; Sahoo, D; Salehi, M; Savinov, V; Schnell, G; Schwanda, C; Seino, Y; Shibata, T-A; Sokolov, A; Starič, M; Sutcliffe, W; Takizawa, M; Tenchini, F; Uchida, M; Unno, Y; Urquijo, P; Tonder, R Van; Varner, G; Vinokurova, A; Waheed, E; Wang, B; Wang, X L; Watanuki, S; Won, E; Ye, H; Yusa, Y; Zhang, Z P; Zhilich, V; Zupanc, A
Physical review. D, 10/2018, Letnik: 98, Številka: 7Journal Article
We have searched for the lepton-flavor-violating decay B0→K*0μ±e∓ using a data sample of 711 fb−1 that contains 772×106 BB¯ pairs. The data were collected near the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. No signals were observed, and we set 90% confidence level upper limits on the branching fractions of B(B0→K*0μ+e−)<1.2×10−7, B(B0→K*0μ−e+)<1.6×10−7, and, for both decays combined, B(B0→K*0μ±e∓)<1.8×10−7. These are the most stringent limits on these decays to date.
