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Humboldt-Universität zu Berlin - Mathematisch-Naturwissen­schaft­liche Fakultät - Experimentelle Elementarteilchenphysik

Humboldt-Universität zu Berlin | Mathematisch-Naturwissen­schaft­liche Fakultät | Institut für Physik | Experimentelle Elementarteilchenphysik | ATLAS | Theses | Fast Single-Top Cross-Section Predictions for Hadron Colliders with the HATHOR Program

Thomas Kintscher (2013)

Fast Single-Top Cross-Section Predictions for Hadron Colliders with the HATHOR Program

Master Thesis, Humboldt-Universität zu Berlin.

The interactions of elementary particles are usually described by the successful, yet incomplete Standard Model. The study of top quark physics may provide a means to uncover its shortcomings and new physics. In this thesis, a method for the fast evaluation of hadronic cross-sections for single-top quark production at hadron colliders is developed. The integration of the results into the existing H AT H OR program makes them easily accessible for future use. The required input is extracted from existing calculations at next-to-leading order in perturbative QCD. All three production channels are considered. Furthermore, the inclusion of approximate next-to-next-to-leading order corrections from soft-gluon resummation is discussed. Eventually, the capabilities of the program are demonstrated by studying theoretical uncertainties of the hadronic cross-section with regard to different sets of parton density functions, couplings, masses and energies.

particle physics