Beyond the Narrow-Width Limit for Off-Shell and Boosted Differential Top Quark Decays

Autor(en)

André H. Hoang

Abstrakt

The standard approaches for describing top quark production and its
decay dynamics are currently mostly either based on the narrow-width
(NW) limit or on off-shell fixed-order calculations. In this article we
present a factorised approach for boosted top quarks that combines the
properties of the NW limit and off-shell computations accounting for the
dominant off-shell effects in an expansion in mt/Q with the hard scatter-
ing scale Q. We discuss the key ideas of our approach and show some
preliminary results at tree-level.

Organisation(en)

Teilchenphysik

Publikationsdatum

01-2024

ÖFOS 2012

103012 Hochenergiephysik

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/11d5307c-a670-4aa6-bdfe-f2174bbd898e