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Two-Jet and Three-Jet Differential Event Shapes in Deep-Inelastic Scattering |
| Reference |
Preliminary results expected for EPS03, Summer 2003 |
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| Contact |
T Kluge |
| Abstract |
Deep-inelastic ep scattering data, taken with the H1 detector at HERA and corresponding to an integrated luminosity of 115 pb-1, are used to study the differential distributions of event shape variables. These include two-jet event shapes (thrust, jet broadening, jet mass, C-parameter and the two-jet rate) as well as three-jet event shapes (out-of-event-plane momentum, azimuthal correlation and the three-jet rate). The four-momentum transfer Q is taken to be the relevant energy scale and ranges between 14 GeV and 200 GeV. The event shape distributions are compared with perturbative QCD predictions, which include resummed contributions for many of the observables. Power law corrections are applied to account for hadronization effects. |
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