# Study of $B^0(\bar{} \to \pi^0pi^0$, $B^\pm \pi^\pm\pi^0$ and $B^\pm \to K^\pm\pi^0$ decays

Abstract : We present a preliminary measurement of the time-dependent CP-violating asymmetry in decays of neutral B mesons to the final states D*-+ pi+- using approximately 178 million BB events recorded by the BaBar experiment at the PEP-II e+e- storage ring. Events containing these decays are selected with a partial reconstruction technique, in which only the high-momentum pi+- from the B decay and the low-momentum pi-+ from the D*-+ decay are used. % We measure the amplitude of the asymmetry to be $-0.041 \pm 0.016 (stat.) \pm 0.010 (syst.)$ and determine bounds on $|\sin(2 \beta + \gamma)|$.
Document type :
Conference papers

http://hal.in2p3.fr/in2p3-00087617
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Submitted on : Wednesday, July 26, 2006 - 8:30:06 AM
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### Citation

B. Aubert, T. Abe, G. S. Abrams, T. Adye, Mohamed-Salem Ahmed, et al.. Study of $B^0(\bar{} \to \pi^0pi^0$, $B^\pm \pi^\pm\pi^0$ and $B^\pm \to K^\pm\pi^0$ decays. 32nd International Conference on High Energy Physics (ICHEP 2004), Aug 2004, Beijing, China. ⟨in2p3-00087617⟩

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