22-29 July 2015
Europe/Vienna timezone

Subleading P-wave, Higgs and nonresonant contributions to top-pair production near threshold

Jul 24, 2015, 10:30 AM
18m
HS31

HS31

talk Top and Electroweak Physics Top and Electroweak Physics

Speaker

Mr Thomas Rauh (TU Munich)

Description

A threshold scan of top-pair production at a future linear collider allows to determine several standard model parameters with very high precision. The recent completion of the third-order QCD corrections to the inclusive top-pair production cross section demonstrates that strong dynamics are under control. We investigate effects from P-wave production and Higgs contributions at third order and from the nonresonant production of the physical final state $b\bar{b}W^+W^-$ at first order. We discuss the dependence of the cross section on the top mass, width and Yukawa coupling as well as on the strong coupling and implications for possible measurements of these parameters.

Primary authors

Dr Andreas Maier (TU Munich) Dr Jan Piclum (University of Bern) Prof. Martin Beneke (TU Munich) Mr Thomas Rauh (TU Munich)

Presentation materials