Computing K and D meson masses with N_f = 2+1+1 twisted mass lattice QCD
High Energy Physics - Lattice
2010-11-23 v1
Abstract
We discuss the computation of the mass of the K and D mesons within the framework of N_f = 2+1+1 twisted mass lattice QCD from a technical point of view. These quantities are essential, already at the level of generating gauge configurations, being obvious candidates to tune the strange and charm quark masses to their physical values. In particular, we address the problems related to the twisted mass flavor and parity symmetry breaking, which arise when considering a non-degenerate (c,s) doublet. We propose and verify the consistency of three methods to extract the K and D meson masses in this framework.
Keywords
Cite
@article{arxiv.1005.2042,
title = {Computing K and D meson masses with N_f = 2+1+1 twisted mass lattice QCD},
author = {ETM Collaboration and Remi Baron and Philippe Boucaud and Jaume Carbonell and Vincent Drach and Federico Farchioni and Gregorio Herdoiza and Karl Jansen and Chris Michael and Istvan Montvay and Elisabetta Pallante and Olivier Pene and Siebren Reker and Carsten Urbach and Marc Wagner and Urs Wenger},
journal= {arXiv preprint arXiv:1005.2042},
year = {2010}
}
Comments
30 pages, 10 figures