DESY-05-093

hep-ex/0507080
H1-142

A Determination of Electroweak Parameters at HERA

Reference H1 Collab., A. Aktas et al., Phys.Lett.B632 (2006) 35-42 ,   07/05
Figures (1) (2a) (2b) (3)
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Comments Contours of the weak neutral current couplings of the u-quark and of the d-quark to the Z boson, including also the preliminary LEP contours.