• Open Access

Amplitude analysis of B0D¯0K+π decays

R. Aaij et al. (LHCb Collaboration)
Phys. Rev. D 92, 012012 – Published 20 July 2015

Abstract

The Dalitz plot distribution of B0D¯0K+π decays is studied using a data sample corresponding to 3.0fb1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. The data are described by an amplitude model that contains contributions from intermediate K*(892)0, K*(1410)0, K2*(1430)0 and D2*(2460) resonances. The model also contains components to describe broad structures, including the K0*(1430)0 and D0*(2400) resonances, in the Kπ S-wave and the Dπ S- and P-waves. The masses and widths of the D0*(2400) and D2*(2460) resonances are measured, as are the complex amplitudes and fit fractions for all components included in the amplitude model. The model obtained will be an integral part of a future determination of the angle γ of the Cabibbo-Kobayashi-Maskawa quark mixing matrix using B0DK+π decays.

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  • Received 8 May 2015

DOI:https://doi.org/10.1103/PhysRevD.92.012012

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.

© 2015 CERN, for the LHCb Collaboration

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Vol. 92, Iss. 1 — 1 July 2015

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