@misc{10481/76869,
year = {2022},
month = {8},
url = {https://hdl.handle.net/10481/76869},
abstract = {This paper presents updated Monte Carlo configurations used to model the production of single electroweak vector bosons (W, Z/gamma*) in association with jets in proton-proton collisions for the ATLAS experiment at the Large Hadron Collider. Improvements pertaining to the electroweak input scheme, parton-shower splitting kernels and scale-setting scheme are shown for multi-jet merged configurations accurate to next-to-leading order in the strong and electroweak couplings. The computational resources required for these set-ups are assessed, and approximations are introduced resulting in a factor three reduction of the per-event CPU time without affecting the physics modelling performance. Continuous statistical enhancement techniques are introduced by ATLAS in order to populate low cross-section regions of phase space and are shown to match or exceed the generated effective luminosity. This, together with the lower per-event CPU time, results in a 50% reduction in the required computing resources compared to a legacy set-up previously used by the ATLAS collaboration. The set-ups described in this paper will be used for future ATLAS analyses and lay the foundation for the next generation of Monte Carlo predictions for single vector-boson plus jets production.},
organization = {ANPCyT, Argentina},
organization = {YerPhI, Armenia},
organization = {ARC, Australia},
organization = {BMWFW and FWF, Austria},
organization = {ANAS, Azerbaijan},
organization = {SSTC, Belarus},
organization = {CNPq and
FAPESP, Brazil},
organization = {NSERC, NRC and CFI, Canada},
organization = {CERN},
organization = {ANID, Chile},
organization = {CAS, MOST
and NSFC, China},
organization = {Minciencias, Colombia},
organization = {MSMT CR, MPO CR and VSC CR, Czech Republic},
organization = {DNRF and DNSRC, Denmark},
organization = {IN2P3-CNRS and CEA-DRF/IRFU, France},
organization = {SRNSFG, Georgia},
organization = {BMBF, HGF and MPG, Germany},
organization = {GSRI, Greece},
organization = {RGC and Hong
Kong SAR, China},
organization = {ISF and Benoziyo Center, Israel},
organization = {INFN, Italy;},
organization = {MEXT and JSPS, Japan},
organization = {CNRST, Morocco},
organization = {NWO, The Netherlands},
organization = {RCN, Norway},
organization = {MEiN, Poland},
organization = {FCT,
Portugal},
organization = {MNE/IFA, Romania},
organization = {JINR},
organization = {MES of Russia and NRC KI, Russian Federation},
organization = {MESTD, Serbia},
organization = {MSSR, Slovakia},
organization = {ARRS and MIZŠ, Slovenia},
organization = {DSI/NRF, South Africa},
organization = {MICINN, Spain},
organization = {SRC and Wallenberg Foundation, Sweden},
organization = {SERI, SNSF and Cantons of
Bern and Geneva, Switzerland},
organization = {MOST, Taiwan},
organization = {TAEK, Turkey},
organization = {STFC, U.K.},
organization = {DOE and
NSF, U.S.A.},
organization = {BCKDF, CANARIE, Compute Canada and CRC, Canada},
organization = {COST, ERC, ERDF, Horizon
2020 and Marie Skłodowska-Curie Actions, European Union},
organization = {Investissements d’Avenir
Labex, Investissements d’Avenir Idex and ANR, France},
organization = {DFG and AvH Foundation, Germany},
organization = {Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek
NSRF, Greece},
organization = {BSF-NSF and GIF, Israel},
organization = {Norwegian Financial Mechanism 2014–2021,
Norway},
organization = {NCN and NAWA, Poland},
organization = {La Caixa Banking Foundation, CERCA Programme
Generalitat de Catalunya and PROMETEO and GenT Programmes Generalitat Valenciana,
Spain},
organization = {Göran Gustafssons Stiftelse, Sweden},
organization = {The Royal Society and Leverhulme
Trust, U.K.},
publisher = {Springer},
keywords = {Hadron-Hadron scattering},
title = {Modelling and computational improvements to the simulation of single vector-boson plus jet processes for the ATLAS experiment},
doi = {10.1007/JHEP08(2022)089},
author = {Aad, G. and Aguilar Saavedra, Juan Antonio and Rodríguez Chala, Mikael and Atlas Collaboration},
}