Measurement of time-dependent CP asymmetries in B0 → D(*)±π± decays and constraints on sin(2β + γ)


Journal Article

The CP-violating asymmetries in fully reconstructed B0 → D(*)∓π∓ decays and constraints on sin(2β + γ) were investigated. The time evolution of decays was sensitive to γ because of interference between the Cabibbo-Kobayashi-Maskawa (CKM) favored decay and doubly CKM-suppressed decay. The consistency of data was computed with given value of sin(2β + γ) by counting fraction of simulated experiments for which χ 2(sin(2β + γ))-χmin2 was smaller. The lower limit on |sin(2β + γ)| was observed at 68% confidence level which drops from 0.69 to 0.60.

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Cited Authors

  • Aubert, B; Barate, R; Boutigny, D; Gaillard, JM; Hicheur, A; Karyotakis, Y; Lees, JP; Robbe, P; Tisserand, V; Zghiche, A; Palano, A; Pompili, A; Chen, JC; Qi, ND; Rong, G; Wang, P; Zhu, YS; Eigen, G; Ofte, I; Stugu, B; Abrams, GS; Borgland, AW; Breon, AB; Brown, DN; Button-Shafer, J; Cahn, RN; Charles, E; Day, CT; Gill, MS; Gritsan, AV; Groysman, Y; Jacobsen, RG; Kadel, RW; Kadyk, J; Kerth, LT; Kolomensky, YG; Kukartsev, G; LeClerc, C; Levi, ME; Lynch, G; Mir, LM; Oddone, PJ; Orimoto, TJ; Pripstein, M; Roe, NA; Romosan, A; Ronan, MT; Shelkov, VG; Telnov, AV; Wenzel, WA; Ford, K; Harrison, TJ; Hawkes, CM; Knowles, DJ; Morgan, SE; Penny, RC; Watson, AT; Watson, NK; Goetzen, K; Held, T; Koch, H; Lewandowski, B; Pelizaeus, M; Peters, K; Schmuecker, H; Steinke, M; Boyd, JT; Chevalier, N; Cottingham, WN; Kelly, MP; Latham, TE; Mackay, C; Wilson, FF; Abe, K; Cuhadar-Donszelmann, T; Hearty, C; Mattison, TS; McKenna, JA; Thiessen, D; Kyberd, P; McKemey, AK; Teodorescu, L; Blinov, VE; Bukin, AD; Golubev, VB; Ivanchenko, VN; Kravchenko, EA; Onuchin, AP; Serednyakov, SI; Skovpen, YI; Solodov, EP; Yushkov, AN; Best, D; Bruinsma, M; Chao, M; Kirkby, D; Lankford, AJ; Mandelkern, M; Mommsen, RK; Roethel, W

Published Date

  • June 25, 2004

Published In

Volume / Issue

  • 92 / 25 I

International Standard Serial Number (ISSN)

  • 0031-9007

Digital Object Identifier (DOI)

  • 10.1103/PhysRevLett.92.251801

Citation Source

  • Scopus