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Charm quark mass and D-meson decay constants from two-flavour lattice QCD

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arxiv 1312.7693 v1 pith:QIIZREGU submitted 2013-12-30 hep-lat

Jochen Heitger (Muenster U.) , Georg M. von Hippel (Mainz U.) , Stefan Schaefer (NIC , DESY) , Francesco Virotta This is my paper · ORCID
classification hep-lat
keywords latticecharmconstantsd-mesondecaymassquarktwo-flavour
verification ladder T0 review T1 audit T2 compute T3 formal
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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.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The hadronic decay of vector charmonium

    hep-lat 2024-12 conditional novelty 6.0 of 10

    The authors extract the psi(3770) to D Dbar hadronic mixing and a decay width compatible with experiment using a narrow-width ratio method on two CLS ensembles.

  2. Hadronic decay of vector charmonium from the lattice

    hep-lat 2024-11 conditional novelty 6.0 of 10

    The ratio method, tuned with twisted boundary conditions, extracts a psi(3770) -> D D mixing amplitude from two N_f=2 ensembles and gives Gamma = 24.2(6.4) MeV, but with unquantified systematic errors.

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