Results 1 to 10 of about 769 (175)

Deep learning as a parton shower [PDF]

open access: yesJournal of High Energy Physics, 2018
We make the connection between certain deep learning architectures and the renormalisation group explicit in the context of QCD by using a deep learning network to construct a toy parton shower model.
J. W. Monk
doaj   +5 more sources

Calculations with off-shell matrix elements, TMD parton densities and TMD parton showers [PDF]

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
A new calculation using off-shell matrix elements with TMD parton densities supplemented with a newly developed initial state TMD parton shower is described.
Marcin Bury   +5 more
doaj   +2 more sources

Parton-shower matching systematics in vector-boson-fusion WW production

open access: yesEuropean Physical Journal C, 2017
We perform a detailed analysis of next-to-leading order plus parton-shower matching in vector-boson-fusion WW production including leptonic decays. The study is performed in the Herwig 7 framework interfaced to VBFNLO 3, using the angular-ordered and ...
Simon Platzer   +2 more
exaly   +3 more sources

What is a parton shower? [PDF]

open access: yesPhysical Review D, 2018
64 pages, 2 figure, new version cites accompanying paper and has some minor improvements in the text, published ...
Davison Soper
exaly   +5 more sources

The ALARIC parton shower [PDF]

open access: yesEPJ Web of Conferences
Parton showers are important tools in the event generation chain for present and future colliders. Recently, their formally achieved accuracy has been under extended scrutiny.
Reichelt Daniel
doaj   +2 more sources

An improved parton shower algorithm in QED

open access: yesPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2001
An improved QED Parton Shower algorithm to calculate photonic radiative corrections to QED processes at flavour factories is described. We consider the possibility of performing photon generation in order to take into account also the effects due to interference between initial and final state radiation.
Carlo Michel Carloni Calame
exaly   +3 more sources

An event generator for same-sign W-boson scattering at the LHC including electroweak corrections [PDF]

open access: yesEuropean Physical Journal C: Particles and Fields, 2019
In this article we present an event generator based on the Monte Carlo program Powheg in combination with the matrix-element generator Recola. We apply it to compute NLO electroweak corrections to same-sign W-boson scattering, which have been shown to be
Mauro Chiesa   +3 more
doaj   +2 more sources

A parton shower consistent with parton densities at LO and NLO: Pdf2Isr

open access: yesEuropean Physical Journal C: Particles and Fields
We present a method for obtaining an initial-state parton shower model where the (backward) evolution fully consistent with the (forward) evolution of the collinear parton density used.
H. Jung   +3 more
doaj   +5 more sources

Building a consistent parton shower [PDF]

open access: yesJournal of High Energy Physics, 2020
Modern parton showers are built using one of two models: dipole showers or angular ordered showers. Both have distinct strengths and weaknesses. Dipole showers correctly account for wide-angle, soft gluon emissions and track the leading flows in QCD ...
Jeffrey R. Forshaw   +2 more
doaj   +4 more sources

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