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Measurement of the branching fraction of B -> D-(*()) pi l nu at Belle using hadronic tagging in fully reconstructed events

Authors
Vossen, A.Collaboration, BelleAdachi, I.Adamczyk, K.Aihara, H.Al Said, S.Asner, D. M.Aulchenko, V.Aushev, T.Ayad, R.Badhrees, I.Bansal, V.Beleno, C.Bhuyan, B.Bilka, T.Biswal, J.Bondar, A.Bozek, A.Browder, T. E.Cervenkov, D.Chen, A.Cheon, B. G.Chilikin, K.Cho, K.Choi, S. -K.Choi, Y.Choudhury, S.Cinabro, D.Cunliffe, S.Dash, N.Di Carlo, S.Dolezal, Z.Eidelman, S.Fast, J. E.Ferber, T.Fulsom, B. G.Garg, R.Gaur, V.Gabyshev, N.Garmash, A.Gelb, M.Goldenzweig, P.Guido, E.Hara, T.Hartbrich, O.Hayasaka, K.Hayashii, H.Hedges, M. T.Hirose, S.Hou, W. -S.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jacobs, W. W.Jaegle, I.Jia, S.Jin, Y.Julius, T.Kim, D. Y.Kim, H. J.Kim, J. B.Kim, K. T.Kim, S. H.Kinoshita, K.Korpar, S.Kotchetkov, D.Krizan, P.Kroeger, R.Krokovny, P.Kuhr, T.Kulasiri, R.Kumita, T.Kwon, Y. -J.Lange, J. S.Lee, I. S.Lee, S. C.Li, L. K.Li, Y.Gioi, L. LiLibby, J.Liventsev, D.Lubej, M.Masuda, M.Merola, M.Miyabayashi, K.Miyata, H.Mizuk, R.Moon, H. K.Mussa, R.Nakano, E.Nakao, M.Nanut, T.Nath, K. J.Nayak, M.Niiyama, M.Nishida, S.Ono, H.Pakhlov, P.Pakhlova, G.Pal, B.Pardi, S.Park, H.Paul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Popov, V.Ritter, M.Rostomyan, A.Russo, G.Sahoo, D.Sakai, Y.Salehi, M.Sandilya, S.Santelj, L.Sanuki, T.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Schwartz, A. J.Seino, Y.Senyo, K.Shebalin, V.Shen, C. P.Shibata, T. -A.Shimizu, N.Shiu, J. -G.Simon, F.Solovieva, E.Staric, M.Strube, J. F.Sumihama, M.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Trabelsi, K.Uchida, M.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Van Hulse, C.Varner, G.Varvell, K. E.Vinokurova, A.Vorobyev, V.Wang, B.Wang, C. H.Wang, M. -Z.Wang, P.Watanabe, M.Widmann, E.Won, E.Ye, H.Yusa, Y.Zakharov, S.Zhang, Z. P.Zhilich, V.Zhukova, V.Zhulanov, V.Zupanc, A.
Issue Date
30-7월-2018
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.98, no.1
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
98
Number
1
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/74297
DOI
10.1103/PhysRevD.98.012005
ISSN
2470-0010
Abstract
We report a measurement of the branching fraction of the decay B -> D-(*()) pi l nu. The analysis uses 772X106 B (B) over bar pairs produced in e(+)e(-) -> Upsilon (4S) data recorded by the Belle experiment at the KEKB asymmetric-energy e+e- collider. The tagging B meson in the decay is fully reconstructed in a hadronic decay mode. On the signal side, we reconstruct the decay B -> D-(*()) pi l nu (l=e,mu). The measured branching fractions are B(B+ -> D- (pi)+l(+) nu) = [4.55 +/- 0.27 (stat.) +/- 0.39 (syst.)]X10-3, B(B0?D (_) 0p-l+?) = [4.05 +/- 0.36 (stat.) +/- 0.41 (syst.)]X10(-3), B (B) over bar (D) over bar *0 pi(-)l(+) nu) = [6.03 +/- 0.43 (stat.) +/- 0.38 (syst.)]X10(-3), and B (B) over bar (D) over bar *0 pi(-)l(+) nu) = [6.46 +/- 0.53 (stat.) +/- 0.52 (syst.)10]X-3. These are in good agreement with the current world average values.
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