Heavy-Meson Decay Constants: Isospin Breaking from QCD Sum Rules
High Energy Physics - Phenomenology
2017-03-27 v1 High Energy Physics - Lattice
Nuclear Theory
Abstract
Compared with lattice QCD, isospin breaking of heavy-meson decay constants from QCD sum rules agrees for mesons but disagrees (by a factor of four) for mesons.
Cite
@article{arxiv.1609.09388,
title = {Heavy-Meson Decay Constants: Isospin Breaking from QCD Sum Rules},
author = {Wolfgang Lucha and Dmitri Melikhov and Silvano Simula},
journal= {arXiv preprint arXiv:1609.09388},
year = {2017}
}
Comments
8 pages, 2 figures, talk presented at "Quark Confinement and the Hadron Spectrum XII" (28 August - 3 September 2016, Thessaloniki, Greece)