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Ali, S; Andreassen, R; Andrews, J E; Baalouch, M; Back, J J; Baesso, C; Belyaev, I; Bencivenni, G; Bifani, S; Blake, T; Bonivento, W; Borghi, S; Bowcock, T J V; Bowen, E; Buytaert, J; Calvi, M; Calvo Gomez, M; Clemencic, M; Cliff, H V; Comerma-Montells, A; Coombes, M; Couturier, B; Craik, D C; Cunliffe, S; Davis, A; De Cian, M; De Paula, L; De Simone, P; Easo, S; Eklund, L; Elsasser, Ch; Ferguson, D; Frank, M; Frosini, M; Galli, D; Gandini, P; Graciani Diaz, R; Grünberg, O; Hadjivasiliou, C; Hansmann-Menzemer, S; Henrard, P; Hicks, E; Hill, D; Hunt, P; Jaton, P; Kochebina, O; La Thi, V N; Lambert, D; Lanciotti, E; Leroy, O; Lindner, R; Liu, G; Lohn, S; Longstaff, I; Luisier, J; Lupton, O; Machefert, F; Martins Tostes, D; McCarthy, J; Meier, F; Molina Rodriguez, J; Moran, D; Mous, I; Muheim, F; Nakada, T; Neufeld, N; Niess, V; Nikitin, N; Novoselov, A; Oyanguren, A; Palutan, M; Pappagallo, M; Perrin-Terrin, M; Pesen, E; Qian, W; Rauschmayr, N; Redford, S; Reichert, S; Ricciardi, S; Roiser, S; Romero Vidal, A; Santamarina Rios, C; Savrie, M; Savrina, D; Schneider, O; Smith, E; Storaci, B; Subbiah, V K; Sun, L; Szczypka, P; Vazquez Gomez, R; Velthuis, J J; Veltri, M; Vieira, D; Vorobyev, A; Vorobyev, V; Wandernoth, S; Ward, D R; Wilkinson, G; Wishahi, J
Physical review letters, 2014-Jan-10, Letnik: 112, Številka: 1Journal Article
The charmless decays B± → K+ K- π± and B± → π+ π- π± are reconstructed in a data set of pp collisions with an integrated luminosity of 1.0 fb(-1) and center-of-mass energy of 7 TeV, collected by LHCb in 2011. The inclusive charge asymmetries of these modes are measured to be A(CP)(B± → K+ K- π±) = -0.141±0.040 (stat)±0.018 (syst)±0.007(J/ψ K±) and A(CP)(B± → π+ π- π±) = 0.117±0.021 (stat)±0.009 (syst)±0.007(J/ψ K±), where the third uncertainty is due to the CP asymmetry of the B± → J/ψK± reference mode. In addition to the inclusive CP asymmetries, larger asymmetries are observed in localized regions of phase space.
