Single bottom quark production in kT-factorisation

TL;DR

This paper investigates single bottom quark production at the LHC using the kT-factorisation scheme, calculating distributions and comparing results with the collinear factorisation approach.

Contribution

It introduces a kT-factorisation calculation with unintegrated gluon density from NLx BFKL and includes mass effects, providing a novel comparison with collinear predictions.

Findings

kT-factorisation results differ from collinear predictions in certain kinematic regions

Mass effects significantly influence bottom quark production distributions

The approach offers a new perspective on heavy quark production at high energies

Abstract

We present a study within the kT-factorisation scheme on single bottom quark production at the LHC. In particular, we calculate the rapidity and transverse momentum differential distributions for single bottom quark/anti-quark production. In our setup, the unintegrated gluon density is obtained from the NLx BFKL Green function whereas we included mass effects to the Lx heavy quark jet vertex. We compare our results to the corresponding distributions predicted by the usual collinear factorisation scheme. The latter were produced with Pythia 8.1.