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Search for B ->pi l(+)l(-) decays at Belle

Authors
Wei, J. -T.Chen, K. -F.Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Aushev, T.Bakich, A. M.Balagura, V.Belous, K.Bitenc, U.Bondar, A.Bozek, A.Bracko, M.Browder, T. E.Chang, P.Chao, Y.Chen, A.Chen, W. T.Cheon, B. G.Chistov, R.Cho, I. -S.Choi, Y.Dalseno, J.Eidelman, S.Golob, B.Hayashii, H.Heffernan, D.Hoshi, Y.Hou, W. -S.Hyun, H. J.Iijima, T.Inami, K.Ishino, H.Itoh, R.Iwasaki, M.Iwasaki, Y.Kah, D. H.Kang, J. H.Kapusta, P.Kawasaki, T.Kichimi, H.Kim, H. O.Kim, J. H.Kim, S. K.Kim, Y. I.Kim, Y. J.Kinoshita, K.Korpar, S.Krokovny, P.Kumar, R.Kwon, Y. -J.Kyeong, S. -H.Lee, J. S.Lesiak, T.Limosani, A.Lin, S. -W.Liventsev, D.Mandl, F.Matyja, A.McOnie, S.Medvedeva, T.Miyata, H.Miyazaki, Y.Moloney, G. R.Nakao, M.Nishida, S.Nitoh, O.Ogawa, S.Ohshima, T.Okuno, S.Ozaki, H.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H. K.Pestotnik, R.Peters, M.Piilonen, L. E.Sahoo, H.Sakai, Y.Schneider, O.Schwanda, C.Senyo, K.Shapkin, M.Shiu, J. -G.Singh, J. B.Somov, A.Stanic, S.Staric, M.Sumisawa, K.Sumiyoshi, T.Takasaki, F.Tanaka, M.Taylor, G. N.Teramoto, Y.Tikhomirov, I.Uehara, S.Uglov, T.Unno, Y.Uno, S.Usov, Y.Varner, G.Wang, C. C.Wang, C. H.Wang, M. -Z.Wang, P.Watanabe, Y.Wicht, J.Won, E.Yamashita, Y.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zivko, T.Zupanc, A.Zyukova, O.
Issue Date
Jul-2008
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.78, no.1
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
78
Number
1
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123329
DOI
10.1103/PhysRevD.78.011101
ISSN
1550-7998
Abstract
We present a search for the decays B+ -> pi(+)l(+)l(-) and B-0 ->pi(0)l(+)l(-), where l(+)l(-) either a mu(+)mu(-) or e(+)e(-) pair, with a data sample of 657x10(6) B (B) over bar pairs collected with the Belle detector at the KEKB e(+)e(-) collider. Signal events are reconstructed from a charged or a neutral pion candidate and a pair of oppositely charged electrons or muons. No significant signal is observed and we set an upper limit on the isospin-averaged branching fraction B(B -> pi l(+)l) < 6.2x10(-8) at the 90% confidence level.
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