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

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.

Bibliographic Details
Main Authors: Lucha Wolfgang, Melikhov Dmitri, Simula Silvano
Format: Article
Language:English
Published: EDP Sciences 2016-01-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/201612900026