Начало > Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower |
Article | |
Report number | arXiv:2107.04051 ; CERN-TH-2021-103 ; OUTP-21-18P ; MCnet-21-13 ; IPPP/21/05 |
Title | Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower |
Author(s) | Bewick, Gavin (Durham U., IPPP) ; Ferrario Ravasio, Silvia (Durham U., IPPP ; Oxford U., Theor. Phys.) ; Richardson, Peter (Durham U., IPPP ; CERN) ; Seymour, Michael H. (Manchester U.) |
Publication | 2022-01-07 |
Imprint | 2021-07-08 |
Number of pages | 27 |
In: | JHEP 01 (2022) 026 |
DOI | 10.1007/JHEP01(2022)026 |
Subject category | hep-ph ; Particle Physics - Phenomenology |
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 $Z^0$-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. |
Copyright/License | preprint: (License: arXiv nonexclusive-distrib 1.0) publication: © 2022-2025 The Authors (License: CC-BY-4.0), sponsored by SCOAP³ |