Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower
High Energy Physics - Phenomenology
2022-01-26 v2
Abstract
We study the simulation of initial-state radiation in angular-ordered parton showers in order to investigate how different interpretations of the ordering variable affect the logarithmic accuracy of such showers. This also enables us to implement a recoil scheme which is consistent between final-state and initial-state radiation. We present optimal values of the strong coupling and intrinsic transverse momentum to be used in each version of the parton shower, tuned using -boson production at the LHC at 7 TeV. With these tuned showers, we perform a phenomenological study of the Drell-Yan process at several centre-of-mass energies.
Keywords
Cite
@article{arxiv.2107.04051,
title = {Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower},
author = {Gavin Bewick and Silvia Ferrario Ravasio and Peter Richardson and Michael H. Seymour},
journal= {arXiv preprint arXiv:2107.04051},
year = {2022}
}
Comments
26 pages, 7 figures, 2 tables