A comprehensive overview of kaon decays is presented. The standard model predictions
are discussed in detail, covering both the underlying short-distance electroweak dynamics …

We present an overview of searches for violation of lepton flavor universality with a focus on
low energy precision probes using π, K, τ, and nuclear beta decays. We review the current …

Recently, discrepancies of up to 4 σ between the different determinations of the Cabibbo
angle were observed. In this context, we point out that this “Cabibbo-angle anomaly” can be …

Nuclear β decays as well as the decay of the neutron are well-established low-energy
probes of physics beyond the standard model (SM). In particular, with the axial-vector …

We propose a theoretical framework for analyzing two-body nonleptonic D meson decays,
based on the factorization of short-distance (long-distance) dynamics into Wilson coefficients …

Investigation at a φ-factory can shed light on several debated issues in particle physics. We
discuss:(i) recent theoretical development and experimental progress in kaon physics …

In this article we perform a combined analysis of low energy precision constraints and LHC
searches for leptoquarks which couple to first generation fermions. Considering all ten …

Motivated by the recent observation of CP violation in the charm sector by LHCb, we study
direct CP asymmetries in the standard model (SM) for the singly Cabibbo-suppressed two …

The description of strong interaction physics of low-lying resonances is out of the valid range
of perturbative QCD. Chiral effective field theories (EFTs) have been developed to tackle the …

The most statistically significant hints for new physics in the flavor sector are discrepancies
between theory and experiment in B decays to lepton pairs (b→ s ℓ+ ℓ-) and a deficit in the …