Abstract
The measurement of the cross section for charged current deep inelastic scattering in the e p collisions with longitudinally polarized lepton beams in the H1 experiment at HERA-II is presented. Double and single differential cross sections are measured for the region of negative four momentum transferred squared Q 2 300 GeV 2 . The measured cross sections are in a good agreement with the predictions of the Standard Model. The polarized total CC cross sections demonstrate expected linear dependence on the polarization. The cross sections from HERA-II are combined with the previous measurements from HERA-I to improve the statistical uncertainty of the unpolarized cross sections measurements.
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