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Wuppertal 2015 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 59: QCD: Vorwärtsjet, W+jet, Z+jet

T 59.5: Vortrag

Dienstag, 10. März 2015, 17:45–18:00, K.11.10 (K8)

Running of the charm quark mass — •Andrii Gizhko1,2, Achim Geiser1, and Sven-Olaf Moch1,21Deutsches Elektronen-Synchrotron , Hamburg — 2Hamburg University, Hamburg

The combined HERA data on charm production in deep inelastic scattering have recently been used to determine the charm quark running mass mc(mc) in the MS renormalisation scheme. The same data are used differentially as a function of the photon virtuality Q2 to evaluate the charm quark running mass at different physical scales to one-loop order. The scale dependence of the mass is found to be consistent with QCD expectations, and a graphical representation of the charm mass running, similar to the representation of the beauty mass running from LEP data, is obtained for the first time.

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