English

Heavy-Meson Decay Constants: QCD Sum-Rule Glance at Isospin Breaking

High Energy Physics - Phenomenology 2016-12-06 v2 High Energy Physics - Lattice Nuclear Theory

Abstract

QCD sum rules for decay constants of heavy mesons with uu or dd quark yield for BB mesons much less isospin breaking than lattice QCD but good agreement for DD mesons.

Keywords

Cite

@article{arxiv.1609.02382,
  title  = {Heavy-Meson Decay Constants: QCD Sum-Rule Glance at Isospin Breaking},
  author = {Wolfgang Lucha and Dmitri Melikhov and Silvano Simula},
  journal= {arXiv preprint arXiv:1609.02382},
  year   = {2016}
}

Comments

5 pages, 2 figures, contributed to "QCD@Work 2016 - International Workshop on Quantum Chromodynamics: Theory and Experiment" (27 - 30 June 2016, Martina Franca, Italy)