• Open Access

Measurement of CP violation parameters in B0DK*0 decays

R. Aaij et al. (LHCb Collaboration)
Phys. Rev. D 90, 112002 – Published 2 December 2014
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Abstract

An analysis of B0DK*0 decays is presented, where D represents an admixture of D0 and D¯0 mesons reconstructed in four separate final states: Kπ+, πK+, K+K and π+π. The data sample corresponds to 3.0fb1 of proton-proton collision, collected by the LHCb experiment. Measurements of several observables are performed, including CP asymmetries. The most precise determination is presented of rB(DK*0), the magnitude of the ratio of the amplitudes of the decay B0DK+π with a bu or a bc transition, in a Kπ mass region of ±50MeV/c2 around the K*(892) mass and for an absolute value of the cosine of the K*0 helicity angle larger than 0.4.

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  • Received 31 July 2014

DOI:https://doi.org/10.1103/PhysRevD.90.112002

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 2014 CERN, for the LHCb Collaboration

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Vol. 90, Iss. 11 — 1 December 2014

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