Running of the charm-quark mass from HERA deep-inelastic scattering data

A. Gizhko (Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany) ; A. Geiser (Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany) ; S. Moch (II. Institute for Theoretical Physics, Hamburg University, Hamburg, Germany) ; I. Abt (Max-Planck-Institut für Physik, München, Germany) ; O. Behnke (Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany) ; et al. - Show all 50 authors

Combined HERA data on charm production in deep-inelastic scattering have previously been used to determine the charm-quark running mass mc(mc) in the MS‾ renormalisation scheme. Here, the same data are used as a function of the photon virtuality Q2 to evaluate the charm-quark running mass at different scales to one-loop order, in the context of a next-to-leading order QCD analysis. The scale dependence of the mass is found to be consistent with QCD expectations.

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      "value": "Combined HERA data on charm production in deep-inelastic scattering have previously been used to determine the charm-quark running mass mc(mc) in the MS\u203e renormalisation scheme. Here, the same data are used as a function of the photon virtuality Q2 to evaluate the charm-quark running mass at different scales to one-loop order, in the context of a next-to-leading order QCD analysis. The scale dependence of the mass is found to be consistent with QCD expectations."
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Published on:
08 November 2017
Publisher:
Elsevier
Published in:
Physics Letters B (2017)

DOI:
https://doi.org/10.1016/j.physletb.2017.11.002
Copyrights:
The Author(s)
Licence:
CC-BY-3.0

Fulltext files: