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]<inf>D</inf>π∓ and the quasi-Gronau-London-Wyler decay B∓ → [K+ K- π0]<inf>D</inf>π∓. The results are interpreted in the context of the unitarity triangle angle γ and related parameters. © 2015 CERN, for the LHCb Collaboration. CERN. Published by the American Physical Society under the terms of the http://creativecommons.org/licenses/by/3.0/ Creative Commons Attribution 3.0 License.

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

PALANO, Antimo;PAPPAGALLO, MARCO IGNAZIO;
2015-01-01

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. © 2015 CERN, for the LHCb Collaboration. CERN. Published by the American Physical Society under the terms of the http://creativecommons.org/licenses/by/3.0/ Creative Commons Attribution 3.0 License.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11586/179609
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