Boosting the t tbar charge asymmetry

TL;DR

This paper introduces a kinematic selection method that boosts the t tbar charge asymmetry signal at the LHC, improving detection significance and aiding in model discrimination.

Contribution

It presents a novel, model-independent kinematic selection technique to enhance the t tbar charge asymmetry measurement at the LHC.

Findings

Asymmetry and significance increase up to a factor of two

Method is model-independent and complements existing analyses

Enhances the potential for model discrimination at the LHC

Abstract

We propose a kinematical enhancement of the t tbar charge asymmetry at the LHC by selecting events with the t tbar centre of mass frame highly boosted along the beam axis. This kinematical selection increases the asymmetries and their significance up to a factor of two in a rather model-independent fashion. Hence, it can be a perfect complement to enhance model discrimination at the LHC.