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Heavy-Meson Decay Constants: Isospin Breaking from QCD Sum Rules
Published 29 Sep 2016 in hep-ph, hep-lat, and nucl-th | (1609.09388v1)
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.
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