Precision measurements of alphas at HERA

Details Precision measurements of alphas at HERA Precision measurements of alphas at HERA

2007-09-27

arxiv.org/abs/0709.4426v1

J.Phys.Conf.Ser.110:022013,2008

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages, 4 figures

Scientific paper

10.1088/1742-6596/110/2/022013

Recent determinations of alphas(Mz) from the H1 and ZEUS Collaborations using inclusive-jet cross-section measurements in neutral current deep inelastic scattering at high Q2 are presented. A combined value of alphas(mz)=0.1198 +- 0.0019 (exp.) +- 0.0026 (th.) was obtained from these measurements. The determinations of alphas at various scales clearly show the running of the coupling from HERA jet data alone and in agreement with the prediction of QCD.

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