Regular Article - Experimental Physics
Unbinned model-independent measurements with coherent admixtures of multibody neutral D meson decays
Department of Physics, University of Warwick, Coventry, UK
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Accepted: 29 January 2018
Published online: 10 February 2018
Various studies of Standard Model parameters involve measuring the properties of a coherent admixture of and states. A typical example is the determination of the Unitarity Triangle angle in the decays , . A model-independent approach to perform this measurement is proposed that has superior statistical sensitivity than the well-established method involving binning of the decay phase space. The technique employs Fourier analysis of the complex phase difference between and decay amplitudes and can easily be generalised to other similar measurements, such as studies of charm mixing or determination of the angle from decays.
© The Author(s), 2018