Bonn 2010 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 19: Beyond the Standard Model (Theorie) III

T 19.5: Vortrag

Mittwoch, 17. März 2010, 15:00–15:15, HG XIV

The Randall Sundrum Model and the tt Forward-Backward Asymmetry — •Martin Bauer — Institut für Physik (WA THEP), Johannes Gutenberg-Universität D-55099 Mainz, Germany

The forward-backward asymmetry in tt production measured at the Tevatron shows a discrepancy of almost 3σ from the SM, while the cross section is in good agreement with SM predictions. In Randall-Sundrum models Kaluza-Klein gluons couple different to left- and right-handed SM fermions. I will talk about how these contributions could be responsible for the observed discrepancy.