Heavy-Meson Decay Constants: QCD Sum-Rule Glance at Isospin Breaking
classification
✦ hep-ph
hep-latnucl-th
keywords
mesonsbreakingconstantsdecayisospinagreementglancegood
read the original 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.
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