Predictions of selected flavour observables within the Standard Model

TL;DR

This paper compiles Standard Model predictions for various flavour observables, focusing on meson decays and mixing, to aid future experimental measurements and tests of the model's validity.

Contribution

It provides a comprehensive set of Standard Model predictions for flavour observables using the CKMfitter analysis, including recent and future experimental constraints.

Findings

Predictions for leptonic B, D, K meson decays

Analysis of B-meson mixing and charge asymmetries

Constraints from rare kaon decay measurements

Abstract

This letter gathers a selection of Standard Model predictions issued from the metrology of the CKM parameters performed by the CKMfitter group. The selection includes purely leptonic decays of neutral and charged B, D and K mesons. In the light of the expected measurements from the LHCb experiment, a special attention is given to the radiative decay modes of B mesons as well as to the B-meson mixing observables, in particular the semileptonic charge asymmetries a^d,s_SL which have been recently investigated by the D0 experiment at Tevatron. Constraints arising from rare kaon decays are addressed, in light of both current results and expected performances of future rare kaon experiments. All results have been obtained with the CKMfitter analysis package, featuring the frequentist statistical approach and using Rfit to handle theoretical uncertainties.