Beyond the Narrow-Width Limit for Off-Shell and Boosted Differential Top Quark Decays
- Author(s)
- André H. Hoang, Simon Plätzer, Christoph Regner, Ines Ruffa
- Abstract
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(s)
- Particle Physics, Research Platform Erwin Schrödinger International Institute for Mathematics and Physics
- External organisation(s)
- Karl-Franzens-Universität Graz
- Publication date
- 01-2024
- Austrian Fields of Science 2012
- 103012 High energy physics
- Portal url
- https://ucrisportal.univie.ac.at/en/publications/11d5307c-a670-4aa6-bdfe-f2174bbd898e