Colour Rearrangement for Dipole Showers

TL;DR

This paper introduces a new algorithm for rearranging colour chains in dipole showers based on colour amplitudes, implemented in Herwig, and validated through comparisons with experimental data.

Contribution

The paper presents a novel algorithm for colour chain rearrangement in dipole showers, improving the accuracy of parton shower simulations.

Findings

Enhanced agreement with experimental data

Improved modelling of colour flow in showers

Algorithm successfully integrated into Herwig

Abstract

We present an algorithm to rearrange the colour chains of dipole showers in the shower process according to the colour amplitudes of a simple matrix element. We implement the procedure in the dipole shower of Herwig and show comparisons to data.