Measurements of branching fractions for B-0 -> D-s(+) pi(-) and (B)over-bar(0) -> D-s(+) K-

  • Das, A.
  • Aziz, T.
  • Trabelsi, K.
  • Mohanty, B.
  • Adachi, I.
  • ... Cheon, B. G.
  • 외 145명
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초록

We present improved measurements of the branching fractions for the decays B-0 -> D-s(+) pi(-) and (B) over bar (0) -> D-s(+) K- using a data sample of 657 X 10(6) B (B) over bar events collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric- energy e(+)e(-) collider. The results are B(B-0 -> D-s(+) pi(-)) = (1.99 +/- 0.26 +/- 0.18) X 10(-5) and B((B) over bar (0) -> D-s(+) K-) = (1.91 +/- 0.24 +/- 0.17) X 10(-5), where the uncertainties are statistical and systematic, respectively. Based on these results, we determine the ratio between amplitudes of the doubly Cabibbo suppressed decay B-0 -> D+pi(-) and the Cabibbo favored decay B-0 -> D-pi(+), R-D pi = [1.71 +/- 0.11(stat) +/- 0.09(syst) +/- 0.02(theo)]%, where the last term denotes the theory error.

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ANNIHILATIONDECAYS
제목
Measurements of branching fractions for B-0 -> D-s(+) pi(-) and (B)over-bar(0) -> D-s(+) K-
저자
Das, A.Aziz, T.Trabelsi, K.Mohanty, B.Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Aushev, T.Bakich, A. M.Balagura, V.Barberio, E.Belous, K.Bhardwaj, V.Bhuyan, B.Bischofberger, M.Bondar, A.Bozek, A.Bracko, M.Browder, T. E.Chao, Y.Chen, A.Chen, K. -F.Chen, P.Cheon, B. G.Chiang, C. -C.Cho, I. -S.Choi, Y.Dalseno, J.Danilov, M.Dolezal, Z.Drasal, Z.Drutskoy, A.Dungel, W.Eidelman, S.Esen, S.Gabyshev, N.Ha, H.Hayasaka, K.Hayashii, H.Horii, Y.Hoshi, Y.Hou, W. -S.Hyun, H. J.Iijima, T.Inami, K.Itoh, R.Iwabuchi, M.Iwasaki, Y.Joshi, N. J.Julius, T.Kah, D. H.Kang, J. H.Kapusta, P.Kawai, H.Kawasaki, T.Kichimi, H.Kiesling, C.Kim, H. J.Kim, H. O.Kim, J. H.Kim, M. J.Kim, Y. J.Kinoshita, K.Ko, B. R.Kodys, P.Korpar, S.Krizan, P.Krokovny, P.Kuhr, T.Kumar, R.Kumita, T.Kwon, Y. -J.Kyeong, S. -H.Lange, J. S.Lee, M. J.Lee, S. -H.Li, J.Liu, C.Liu, Y.Liventsev, D.Louvot, R.MacNaughton, J.Matyja, A.McOnie, S.Miyabayashi, K.Miyata, H.Miyazaki, Y.Mori, T.Nakano, E.Nakao, M.Neubauer, S.Nishida, S.Nitoh, O.Ohshima, T.Okuno, S.Olsen, S. L.Ostrowicz, W.Pakhlova, G.Park, C. W.Park, H.Park, H. K.Park, K. S.Pestotnik, R.Petric, M.Piilonen, L. E.Roehrken, M.Ryu, S.Sahoo, H.Sakai, K.Sakai, Y.Schneider, O.Senyo, K.Sevior, M. E.Shapkin, M.Shebalin, V.Shen, C. P.Shiu, J. -G.Shwartz, B.Simon, F.Singh, J. B.Sinha, R.Smerkol, P.Sokolov, A.Solovieva, E.Staric, M.Sumiyoshi, T.Suzuki, S.Teramoto, Y.Uehara, S.Uglov, T.Unno, Y.Uno, S.Usov, Y.Varner, G.Vervink, K.Wang, C. H.Wang, P.Watanabe, M.Watanabe, Y.Williams, K. M.Won, E.Yamashita, Y.Yamauchi, M.Zhang, C. C.Zhang, Z. P.Zhilich, V.Zhou, P.Zhulanov, V.Zupanc, A.Zyukova, O.
DOI
10.1103/PhysRevD.82.051103
발행일
2010-09
유형
Article
저널명
Physical Review D - Particles, Fields, Gravitation and Cosmology
82
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