Time-dependent CP asymmetries in D and B decays
Abstract
The measurement of time-dependent CP asymmetries in charm decays can provide a unique insight into the flavor changing structure of the Standard Model. We examine a number of different CP eigenstate decays of D mesons and describe a method that can be used to measure time-dependent CP asymmetries at existing and future experiments, with a preliminary assessment, based on statistical considerations, of their various capabilities. Any asymmetry observed in time-dependent analysis of neutral D mesons could signify new physics. We discuss the measurements required to perform direct and indirect tests of the charm unitarity triangle and the relationship between this and the B_d unitarity triangle. We also highlight that current experimental bounds on DeltaGamma(B_d) translate into a significant systematic uncertainty on the measurement of beta from b to c c-bar s decays.
Keywords
Cite
@article{arxiv.1106.5075,
title = {Time-dependent CP asymmetries in D and B decays},
author = {Adrian Bevan and Gianluca Inguglia and Brian Meadows},
journal= {arXiv preprint arXiv:1106.5075},
year = {2013}
}
Comments
19 pages, 7 figures, 3 tables