heavy-meson decay constants: isospin breaking from qcd sum rules
;Lucha Wolfgang;Melikhov Dmitri;Simula Silvano
utilitas mathematica2017Vol. 137pp. 06017-
102
wolfgang2017epjheavy-meson
Abstract
Compared with lattice QCD, isospin breaking of heavy-meson decay constants from QCD sum rules agrees for D mesons but disagrees (by a factor of four) for B mesons.