Measurement of the branching fraction and <i>CP</i> asymmetry for <i>B</i> → (<i>D</i>)over-bar<SUP>0</SUP>π decays
  • Bloomfield, T.
  • Sevior, M. E.
  • Adachi, I.
  • Aihara, H.
  • Al Said, S.
  • ... Choi, S. -K.
  • 외 208명
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초록

We measure the branching fractions and CP asymmetries for the decays B-0 -> (D) over bar (0)pi(0) and B+ -> (D) over bar (0)pi(+), using a data sample of 772 x 10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB e(+)e(-) collider. The branching fractions obtained and direct CP asymmetries are B(B-0 -> (D) over bar (0)pi(0)) = [2.70 +/- 0.06(stat) +/- 0.10(syst)] x 10(-4), B(B+ -> (D) over bar (0)pi+) = [4.53 +/- 0.02(stat) +/- 0.15(syst)] x 10(-3), A(CP)(B-0 -> (D) over bar (0)pi(0)) = [+/- 0.42 +/- 2.05(stat) +/- 1.22(syst)]%, and A(CP)((D) over bar (0)pi(+)) = [+0.19 +/- 0.36(stat) +/- 0.57(syst)]%. The measurements of B are the most precise to date and are in good agreement with previous results, as is the measurement of A(CP)((D) over bar (0)pi(+)). The measurement of A(CP) for B-0 -> (D) over bar (0)pi(0) is the first for this mode, and the value is consistent with Standard Model expectations.

제목
Measurement of the branching fraction and <i>CP</i> asymmetry for <i>B</i> → (<i>D</i>)over-bar<SUP>0</SUP>π decays
저자
Bloomfield, T.Sevior, M. E.Adachi, I.Aihara, H.Al Said, S.Asner, D. M.Aulchenko, V.Aushev, T.Ayad, R.Babu, V.Bahinipati, S.Behera, P.Bennett, J.Bessner, M.Bilka, T.Biswal, J.Bobrov, A.Bonvicini, G.Bozek, A.Bracko, M.Browder, T. E.Campajola, M.Cao, L.Cervenkov, D.Chang, M. -CChekelian, V.Chen, A.Cheon, B. G.Chilikin, K.Cho, H. E.Cho, K.Cho, S. -J.Choi, S. -K.Choi, Y.Choudhury, S.Cinabro, D.Cunliffe, S.Das, S.Dash, N.De Nardo, G.Dhamija, R.Di Capua, F.Dolezal, Z.V. Dong, T.Dubey, S.Eidelman, S.Epifanov, D.Ferber, T.Ferlewicz, D.Fulsom, B. G.Garg, R.Gaur, V.Garmash, A.Giri, A.Goldenzweig, P.Hadjivasiliou, C.Halder, S.Hartbrich, O.Hayasaka, K.Hayashii, H.Hedges, M. T.Villanueva, M. HernandezHou, W. -S.Hsu, C. -L.Iijima, T.Inguglia, G.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jacobs, W. W.Jang, E. -J.Jia, S.Jin, Y.Joo, C. W.Joo, K. K.Kaliyar, A. B.Kang, K. H.Karyan, G.Kawasaki, T.Kim, C. H.Kim, D. Y.Kim, H. J.Kim, S. H.Kim, Y. -K.Kimmel, T. D.Kodys, P.Konno, T.Korobov, A.Korpar, S.Kovalenko, E.Krizan, P.Kroeger, R.Krokovny, P.Kumar, M.Kumar, R.Kumara, K.Kwon, Y. -J.Lalwani, K.Lange, J. S.Lee, I. S.Lee, S. C.Li, C. H.Li, J.Li, Y. B.Li Gioi, L.Libby, J.Lieret, K.Liventsev, D.Luo, T.MacQueen, C.Masuda, M.Matsuda, T.Matvienko, D.Merola, M.Metzner, F.Miyabayashi, K.Mizuk, R.Mohanty, G. B.Mohanty, S.Moon, H. K.Mussa, R.Nakao, M.Natkaniec, Z.Natochii, A.Nayak, L.Nayak, M.Niiyama, M.Nisar, N. K.Nishida, S.Ono, H.Onuki, Y.Oskin, P.Pakhlov, P.Pakhlova, G.Pardi, S.Park, H.Park, S. -H.Paul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Podobnik, T.Popov, V.Prencipe, E.Prim, M. T.Ritter, M.Rostomyan, A.Rout, N.Rozanska, M.Russo, G.Sahoo, D.Sakai, Y.Sandilya, S.Sangal, A.Santelj, L.Sanuki, T.Savinov, V.Schnell, G.Schueler, J.Schwanda, C.Schwartz, A. J.Seino, Y.Senyo, K.Shapkin, M.Sharma, C.Shen, C. P.Shiu, J. -G.Shwartz, B.Simon, F.Sokolov, A.Solovieva, E.Staric, M.Stottler, Z. S.Strube, J. F.Sumihama, M.Sumisawa, K.Sumiyoshi, T.Sutcliffe, W.Takizawa, M.Tanida, K.Tao, Y.Tenchini, F.Trabelsi, K.Uchida, M.Uno, K.Uno, S.Usov, Y.Vahsen, S. E.Van Tonder, R.Varner, G.Varvell, K. E.Vossen, A.Waheed, E.Wang, C. H.Wang, E.Wang, M. -Z.Wang, P.Watanabe, M.Watanuki, S.Werbycka, O.Wiechczynski, J.Won, E.Xu, X.Yabsley, B. D.Yan, W.Yang, S. B.Ye, H.Yin, J. H.Yuan, C. Z.Zhang, Z. P.Zhilich, V.Zhukova, V.Zhulanov, V.
DOI
10.1103/PhysRevD.105.072007
발행일
2022-04
유형
Article
저널명
Physical Review d
105
7