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Study of the sensitivity to CKM angle $\gamma$ under simultaneous determination from multiple $B$ meson decay modes

High Energy Physics - Phenomenology 2020-09-14 v8
Authors: J. Garra Ticó , V. Gibson , S. C. Haines , C. R. Jones , M. Kenzie , G. Lovell
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Abstract

Several methods exist to measure CPCP violation observables related to the CKM unitarity triangle angle γ\gamma using BB meson decays. These observables are different for every BB meson decay considered, although the information they contain on γ\gamma is encoded in a similar way for all of them. This paper describes a strategy for a simultaneous measurement of γ\gamma using several BB meson decays that takes into account possible correlations between them. Sensitivity studies demonstrate that the simultaneous analysis of several BB meson decay modes results in smaller uncertainties and improved statistical behaviour compared to a combination of standalone measurements.

Keywords

ckm angle gamma b meson decays cp violation simultaneous measurement sensitivity study unitarity triangle

Cite

@article{arxiv.1909.00600,
  title  = {Study of the sensitivity to CKM angle $\gamma$ under simultaneous determination from multiple $B$ meson decay modes},
  author = {J. Garra Ticó and V. Gibson and S. C. Haines and C. R. Jones and M. Kenzie and G. Lovell},
  journal= {arXiv preprint arXiv:1909.00600},
  year   = {2020}
}

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