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High Energy Physics - Experiment

arXiv:1604.05083 (hep-ex)
[Submitted on 18 Apr 2016]

Title:Combined Electroweak and QCD Fit to HERA Data

Authors:I. Abt, A.M. Cooper-Sarkar, B. Foster, C. Gwenlan, V. Myronenko, O. Turkot, K. Wichmann
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Abstract:A simultaneous Electroweak and QCD fit of electroweak parameters and parton distribution functions to HERA data on deep inelastic scattering is presented. The input data are neutral current and charged current inclusive cross sections measured by the H1 and ZEUS collaborations at the ep collider HERA. The polarisation of the electron beam was taken into account for the ZEUS and H1 data recorded between 2004 and 2007. Results are presented on the vector and axial-vector couplings of the Z boson to u- and d-type quarks. The values are in agreement with Standard Model predictions. The results on a_u and v_u represent the most precise measurements from a single process.
Comments: 16 pages, 7 figures, 2 tables
Subjects: High Energy Physics - Experiment (hep-ex); High Energy Physics - Phenomenology (hep-ph)
Report number: DESY-16-063
Cite as: arXiv:1604.05083 [hep-ex]
  (or arXiv:1604.05083v1 [hep-ex] for this version)
  https://doi.org/10.48550/arXiv.1604.05083
Journal reference: Phys. Rev. D 94, 052007 (2016)
Related DOI: https://doi.org/10.1103/PhysRevD.94.052007

Submission history

From: Katarzyna Helena Wichmann [view email]
[v1] Mon, 18 Apr 2016 10:58:07 UTC (103 KB)
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