# Progress in the calculation of purely leptonic $D_{(s)}$ -- decay constants from lattice QCD

## TL;DR

This paper reviews recent advancements in lattice QCD calculations of the decay constants for D and D_s mesons, emphasizing simulations with near-physical quark masses and different flavor configurations.

## Contribution

It provides an overview of progress in lattice QCD techniques for computing leptonic decay constants, highlighting improvements in simulation realism and flavor inclusion.

## Key findings

- Enhanced precision in decay constant calculations
- Successful simulations with near-physical light quark masses
- Progress in incorporating different quark flavor configurations

## Abstract

We review recent progress in the calculation of the decay constants $f_{D}$ and $f_{D_s}$ from lattice QCD. We focus particularly on simulations with $N_f=2+1$ and $N_f=2+1+1$ and simulations with close to physical light quark masses.