Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-06-16
Physics
High Energy Physics
High Energy Physics - Experiment
Submitted as proceedings for Moriond QCD 2008
Scientific paper
The latest results of H1 and ZEUS on the electroweak cross sections using polarised lepton beams are presented with the improvements in the parton density functions that result from them. The asymmetry of the neutral current cross sections between e-p and e+p was measured and shows parity violation in agreement with the Standard Model. The dependence of the charged current cross section on the beam polarisation has been obtained and its extrapolation to full polarisation implies the absence of right-handed charged currents. Constraints on the vector and axial vector couplings of the u and d quarks to the Z boson from a combined QCD and electroweak fit are shown and the results from the combination of H1 and ZEUS data are reviewed.
H1 for the
Korcsak-Gorzo Katherine
ZEUS Collaborations
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