Wuppertal 2015 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 39: Eingeladene Vorträge 1

T 39.4: Eingeladener Vortrag

Dienstag, 10. März 2015, 15:15–15:45, M.10.12 (HS 14)

Parton Distribution Functions and Constraints from LHC data — •Ringaile Placakyte — DESY, Notkestr. 85, 22607 Hamburg

A precise knowledge of the Parton Distribution Functions (PDF) of the proton is essential in order to make predictions for Standard Model (SM) and beyond the Standard Model (BSM) processes at hadron colliders. Moreover, the PDFs uncertainties often are a limiting factor in the accuracy of theoretical predictions for both, SM and BSM.

The knowledge of proton PDFs mainly comes from the deep inelastic scattering HERA, fixed target, Tevatron and, increasingly precise LHC data. Recent ATLAS and CMS results which are sensitive to PDFs including the Drell-Yan, jet and top quark production data, are presented. HERAFitter, an open-source package which provides a framework for the determination of the PDFs and has been used in many LHC analyses to assess the impact of new data on PDFs, is also introduced.