Progress in leptonic and semileptonic decays in lattice QCD

TL;DR

This paper reviews recent progress in lattice QCD calculations of leptonic and semileptonic heavy quark decays, focusing on uncertainty control and implications for CKM matrix element constraints.

Contribution

It provides an updated overview of lattice QCD methods and their improvements in calculating heavy quark decay processes, highlighting uncertainty management.

Findings

Enhanced precision in decay constant calculations

Improved constraints on CKM matrix elements

Better understanding of systematic uncertainties

Abstract

The status of lattice calculations of heavy quark phenomenology is reviewed. Particular emphasis is placed on the understanding and control of the calculational uncertainties. The ensuing implications for constraining the CKM matrix elements are discussed.