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High Energy Physics - Experiment

arXiv:1511.05402 (hep-ex)
[Submitted on 17 Nov 2015]

Title:HERA Inclusive Neutral and Charged Current Cross Sections and a New PDF Fit, HERAPDF 2.0

Authors:Zhiqing Zhang (for the H1 and ZEUS Collaborations)
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Abstract:In this talk, I present the brand new results from the H1 and ZEUS Collaborations on the combination of all previously published inclusive deep inelastic cross sections at HERA for neutral and charged current $e^\pm p$ scattering for zero beam polarisation and the corresponding parton distributions functions, HERAPDF 2.0, at up to next-to-next-to-leading order (NNLO). The results also include a new precise determination at next-to-leading order (NLO) of the strong coupling constant $\alpha_s(M^2_Z)=0.1184\pm 0.0016$ (excluding scale uncertainties) based on a simultaneous fit to the combined inclusive cross section data and jet production data.
Comments: 6 pages, 2 figures, talk given at the EDS Blois 2015 Conference for the H1 and ZEUS Collaborations
Subjects: High Energy Physics - Experiment (hep-ex); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1511.05402 [hep-ex]
  (or arXiv:1511.05402v1 [hep-ex] for this version)
  https://doi.org/10.48550/arXiv.1511.05402

Submission history

From: Zhiqing Zhang [view email]
[v1] Tue, 17 Nov 2015 13:49:57 UTC (190 KB)
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