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Measurement of Double Differential Deep Inelastic Scattering Neutral and Charged Current Cross Sections in Collisions of Longitudinally Polarised Positrons and Unpolarised Protons at sqrt{s} = 319 GeV. |
| Reference |
Results expected for ICHEP04, Summer 2004 |
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| Contact |
E Rizvi, Z Zhang |
| Abstract |
The inclusive e^+ p double differential cross sections, d^2 sigma / dx dQ^2, for neutral and charged current processes are measured with the H1 detector at HERA. The positrons are polarised in left and right handed states with up to 50% polarisation. The cross sections are measured in the range of four-momentum
transfer squared Q^2 between 150 and 30,000 GeV^2 and Bjorken x between 0.0032 and 0.65. The polarisation asymmetry of the neutral current cross section is measured for the first time. |
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