Heavy-Meson Decay Constants: Isospin Breaking from QCD Sum Rules
oleh: Lucha Wolfgang, Melikhov Dmitri, Simula Silvano
| Format: | Article |
|---|---|
| Diterbitkan: | EDP Sciences 2017-01-01 |
Deskripsi
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.