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T: Fachverband Teilchenphysik

T 24: Gittereichtheorie

T 24.6: Vortrag

Montag, 9. März 2009, 18:15–18:30, A021

Determining the charm-quark mass from current-current correlators in twisted mass lattice QCD — •Marcus Petschlies — Institut fuer Physik, Humboldt-Universitaet zu Berlin

We use the twisted mass lattice QCD formulation to estimate temporal moments of charm-quark current-current correlators, taking advantage of automatic O(a)-improvement. Using these moments in combination with up to four loop continuum perturbation theory we aim for a calculation of both the strong coupling constant and the charm quark mass with high precision.