A new approach to color-coherent parton evolution
High Energy Physics - Phenomenology
2023-10-13 v3
Abstract
We present a simple parton-shower model that replaces the explicit angular ordering of the coherent branching formalism with a differentially accurate simulation of soft-gluon radiation by means of a non-trivial dependence on azimuthal angles. We introduce a global kinematics mapping and provide an analytic proof that it satisfies the criteria for next-to leading logarithmic accuracy. In the new algorithm, initial and final state evolution are treated on the same footing. We provide an implementation for final-state evolution in the numerical code Alaric and present a first comparison to experimental data.
Keywords
Cite
@article{arxiv.2208.06057,
title = {A new approach to color-coherent parton evolution},
author = {Florian Herren and Stefan Höche and Frank Krauss and Daniel Reichelt and Marek Schoenherr},
journal= {arXiv preprint arXiv:2208.06057},
year = {2023}
}
Comments
23 pages, 7 figures