6533b85afe1ef96bd12b9d03

RESEARCH PRODUCT

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

Babar CollaborationFernando Martínez VidalArantza Oyanguren CamposPablo Villanueva Pérez

subject

Violació CP (Física nuclear)Física nuclear

description

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).

yearjournalcountryeditionlanguage
2013-01-01
10.1103/physrevlett.111.101802http://hdl.handle.net/10550/33936