Study of CP violation in B → Dh (h = K, π) with the modes D → Kπ±π0, D → π+ π- π0 and D → K+ K- π0

R. Aaij, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, LA Everse, L. Anderlini, J. Anderson, M. AndreottiJ.E. Andrews, R. B. Appleby, O. Aquines Gutierrez, F. Archilli, P. d'Argent, A. Artamonov, M. Artuso, K. Carvalho Akiba, V. Coco, P. N.Y. David, K. De Bruyn, C. Farinelli, M. Ferro-Luzzi, V. Heijne, T. Ketel, R. F. Koopman, R. W. Lambert, J. Van Leerdam, M. Merk, C. J.G. Onderwater, G. Raven, M. Schiller, N. Serra, H. Snoek, B. Storaci, V. Syropoulos, J. Van Tilburg, S. Tolk, P. Tsopelas, N. Tuning, LHCb Collaboration

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Abstract

An analysis of the decays of B → DK and B → Dπ is presented in which the D meson is reconstructed in the three-body final states K π±π0, π+π-π0 and K+K-π0. Using data from LHCb corresponding to an integrated luminosity of 3.0fb-1 of pp collisions, measurements of several CP observables are performed. First observations are obtained of the suppressed Atwood-Dunietz-Soni decay B → [π K± π0]Dπ and the quasi-Gronau-London-Wyler decay B → [K+ K- π0]Dπ. The results are interpreted in the context of the unitarity triangle angle γ and related parameters.

Original languageEnglish
Article number112014
JournalPhysical Review D
Volume91
Issue number11
DOIs
Publication statusPublished - 26 Jun 2015

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