Heavy-Meson Decay Constants: QCD Sum-Rule Glance at Isospin Breaking
arXiv:1609.02382 · doi:10.1051/epjconf/201612900026
Abstract
QCD sum rules for decay constants of heavy mesons with $u$ or $d$ quark yield for $B$ mesons much less isospin breaking than lattice QCD but good agreement for $D$ mesons.
5 pages, 2 figures, contributed to "QCD@Work 2016 - International Workshop on Quantum Chromodynamics: Theory and Experiment" (27 - 30 June 2016, Martina Franca, Italy)