6533b7ddfe1ef96bd1275335
RESEARCH PRODUCT
Charm quark mass and D-meson decay constants from two-flavour lattice QCD
Jochen HeitgerStefan SchaeferFrancesco VirottaGeorg M. Von Hippelsubject
PhysicsParticle physics010308 nuclear & particles physicsHigh Energy Physics::LatticeHigh Energy Physics - Lattice (hep-lat)QCD vacuumLattice field theoryNuclear TheoryHigh Energy Physics::PhenomenologyFOS: Physical sciencesDown quarkParticle Physics - LatticeLattice QCD01 natural sciencesBottom quarkCharm quarkNuclear physicsPionHigh Energy Physics - Lattice0103 physical sciencesD mesonHigh Energy Physics::Experiment010306 general physicsdescription
We present a computation of the charm quark's mass and the leptonic D-meson decay constants f_D and f_{D_s} in two-flavour lattice QCD with non-perturbatively O(a) improved Wilson quarks. Our analysis is based on the CLS configurations at two lattice spacings (a=0.065 and 0.048 fm, where the lattice scale is set by f_K) and pion masses ranging down to ~ 190 MeV at L*m_pi > 4, in order to perform controlled continuum and chiral extrapolations with small systematic uncertainties.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2013-12-30 |