Threshold and transverse-momentum resummations for gaugino-pair hadroproduction

TL;DR

This paper provides high-precision calculations for gaugino-pair production at hadron colliders, incorporating advanced resummation techniques to improve accuracy over standard perturbative methods.

Contribution

It introduces combined threshold and transverse-momentum resummation formalisms at NLO accuracy for gaugino-pair production, matching them with fixed-order predictions.

Findings

Resummed cross sections show improved agreement with Monte Carlo simulations.

Theoretical uncertainties are reduced through resummation techniques.

Comparison with perturbative results highlights the importance of resummation for precision.

Abstract

We present precision calculations of the invariant-mass and transverse-momentum distributions of gaugino pairs produced at hadron colliders. We implement the threshold and transverse-momentum resummation formalisms at next-to-leading order accuracy and match the obtained result to the perturbative prediction at O(alpha_s). We compare the various resummed cross sections with the perturbative results and Monte Carlo predictions. The theoretical uncertainties coming from renormalisation and factorisation scale variations are also discussed.