Search for CP Violation in B-0- mixing using partial reconstruction of B-0 -> D*(-)Xl(+)nu(l) and a kaon tag
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Search for CP Violation in B-0- mixing using partial reconstruction of B-0 -> D*(-)Xl(+)nu(l) and a kaon tag

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Search for CP Violation in B-0- mixing using partial reconstruction of B-0 -> D*(-)Xl(+)nu(l) and a kaon tag

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BABAR Collaboration; Martínez Vidal, Fernando Perfil; Oyanguren Campos, Arantza Perfil; Villanueva Pérez, Pablo
This document is a artículoDate2013

Este documento está disponible también en : http://dx.doi.org/10.1103/PhysRevLett.111.101802

Este documento está disponible también en : http://hdl.handle.net/10550/33936
We present results of a search for CP violation in B-0-(B) over bar (0) mixing with the BABAR detector. We select a sample of B0 -> D*-Xl(+)nu decays with a partial reconstruction method and use kaon tagging to assess the flavor of the other B meson in the event. We determine the CP violating asymmetryA(CP) [N((BB0)-B-0) ¿ N((B-0) over bar (B-0) over bar)]/[N((B-0) over bar (B-0) over bar) + N((BB0)-B-0)] = (0.06 +/- 0.17 +/- 0.38-0.32)%, corresponding to Delta(CP) = 1- vertical bar q/p vertical bar = (0.29 +/- 0.84+1.88-1.61) X 10(-3).

    BABAR Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Villanueva Pérez, Pablo 2013 Search for CP Violation in B-0- mixing using partial reconstruction of B-0 -> D*(-)Xl(+)nu(l) and a kaon tag Physical Review Letters 111 10 101802-1 101802-7
http://dx.doi.org/10.1103/PhysRevLett.111.101802

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