期刊
SCIPOST PHYSICS
卷 12, 期 1, 页码 -出版社
SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.12.1.010
关键词
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资金
- Monash eResearch Centre through the MonARCH HPC Cluster
- Monash eSolutions-Research Support Services through the MonARCH HPC Cluster
- Australian Research Council [DP170100708]
- Monash Graduate Scholarship
- Monash International Postgraduate Research Scholarship
- J.L. William Scholarship
- Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility
- Fermi Research Alliance, LLC (FRA) [DE-AC02-07CH11359]
In this paper, we discuss and illustrate the properties of several parton-shower algorithms available in PYTHIA and VINCIA in the context of Higgs production via vector boson fusion (VBF). We study a set of observables sensitive to the coherent radiation pattern of additional jets and compare different algorithms. Additionally, we investigate the robustness of these predictions as higher-order perturbative matrix elements are incorporated.
We discuss and illustrate the properties of several parton-shower algorithms available in PYTHIA and VINCIA, in the context of Higgs production via vector boson fusion (VBF). In particular, the distinctive colour topology of VBF processes allows to define observables sensitive to the coherent radiation pattern of additional jets. We study a set of such observables, using the VINCIA sector-antenna shower as our main reference, and contrast it to PYTHIA's transverse-momentum-ordered DGLAP shower as well as PYTHIA's dipole-improved shower. We then investigate the robustness of these predictions as successive levels of higher-order perturbative matrix elements are incorporated, including next-to-leading-order matched and tree-level merged calculations, using POWHEG BOX and SHERPA respectively to generate the hard events.
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