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Search for lepton-number-violating B+-> D(-)l(+)l '(+) decays

Authors
Seon, O.Kwon, Y-J.Iijima, T.Adachi, I.Aihara, H.Asner, D. M.Aushev, T.Bakich, A. M.Barberio, E.Bay, A.Bhardwaj, V.Bhuyan, B.Bischofberger, M.Bondar, A.Bozek, A.Bracko, M.Brodzicka, J.Brovchenko, O.Browder, T. E.Chang, P.Chen, A.Chen, P.Cheon, B. G.Chilikin, K.Cho, I-S.Cho, K.Choi, S-K.Choi, Y.Dalseno, J.Dolezal, Z.Drutskoy, A.Eidelman, S.Fast, J. E.Gaur, V.Gabyshev, N.Goh, Y. M.Golob, B.Haba, J.Hara, K.Hara, T.Hayasaka, K.Hayashii, H.Horii, Y.Hoshi, Y.Hou, W-S.Hsiung, Y. B.Hyun, H. J.Inami, K.Ishikawa, A.Itoh, R.Iwabuchi, M.Iwasaki, Y.Iwashita, T.Joshi, N. J.Julius, T.Kang, J. H.Katayama, N.Kawasaki, T.Kichimi, H.Kim, H. J.Kim, H. O.Kim, J. B.Kim, J. H.Kim, K. T.Kim, M. J.Kim, S. K.Kim, Y. J.Kinoshita, K.Ko, B. R.Kobayashi, N.Koblitz, S.Kodys, P.Korpar, S.Krizan, P.Kuhr, T.Kumita, T.Kuzmin, A.Kyeong, S-H.Lange, J. S.Lee, M. J.Lee, S-H.Li, J.Li, Y.Libby, J.Lim, C-L.Liu, C.Liu, Y.Liventsev, D.Louvot, R.McOnie, S.Miyabayashi, K.Miyata, H.Miyazaki, Y.Mizuk, R.Mohanty, G. B.Nagasaka, Y.Nakano, E.Nakao, M.Nakazawa, H.Natkaniec, Z.Neubauer, S.Nishida, S.Nishimura, K.Nitoh, O.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S. L.Onuki, Y.Pakhlov, P.Pakhlova, G.Park, H.Park, H. K.Park, K. S.Pestotnik, R.Petric, M.Piilonen, L. E.Prim, M.Roehrken, M.Ryu, S.Sahoo, H.Sakai, K.Sakai, Y.Sanuki, T.Schneider, O.Schwanda, C.Senyo, K.Sevior, M. E.Shen, C. P.Shibata, T-A.Shiu, J-G.Simon, F.Singh, J. B.Smerkol, P.Sohn, Y-S.Sokolov, A.Solovieva, E.Stanic, S.Staric, M.Sumihama, M.Sumiyoshi, T.Suzuki, K.Suzuki, S.Tatishvili, G.Teramoto, Y.Trabelsi, K.Uchida, M.Uehara, S.Uglov, T.Unno, Y.Uno, S.Ushiroda, Y.Usov, Y.Vahsen, S. E.Varner, G.Varvell, K. E.Vinokurova, A.Wang, C. H.Wang, M-Z.Wang, P.Watanabe, M.Watanabe, Y.Williams, K. M.Won, E.Yabsley, B. D.Yamashita, Y.Yamauchi, M.Zhang, C. C.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zupanc, A.Zyukova, O.
Issue Date
17-10월-2011
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.84, no.7
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
84
Number
7
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/111365
DOI
10.1103/PhysRevD.84.071106
ISSN
1550-7998
Abstract
We perform the first search for lepton-number-violating B+ -> D(-)l(+)l'(+) decays, where l and l' stand for e or mu, using 772 x 10(6) B (B) over bar pairs accumulated at the Y(4S) resonance with the Belle detector at the KEKB e(+)e(-) collider. No evidence for these decays has been found. Assuming uniform three-body phase space distributions for the D(-)l(+)l'(+) decays, we set the following upper limits on the branching fractions at 90% confidence level.B(B+ -> D(-)e(+)e(+)) < 2.6 x 10(-6), B(B+ -> D(-)e(+mu+)) < 1.8 x 10(-6) and B(B+ -> D-mu(+)mu(+)) < 1.1 x 10(-6).
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