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CERN Document Server 2,024 elementer funnet  1 - 10nesteslutt  gå til element: Søket tok 0.37 sekunder. 
1.
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Next-to-leading-logarithmic PanScales showers for Deep Inelastic Scattering and Vector Boson Fusion / van Beekveld, Melissa (Oxford U., Theor. Phys.) ; Ferrario Ravasio, Silvia (CERN)
We introduce the first family of parton showers that achieve next-to-leading logarithmic (NLL) accuracy for processes involving a $t$-channel exchange of a colour-singlet, and embed them in the PanScales framework. These showers are applicable to processes such as deep inelastic scattering (DIS), vector boson fusion (VBF), and vector boson scattering (VBS). [...]
arXiv:2305.08645; CERN-TH-2023-079; OUTP-23-05P.- 2024-02-01 - 50 p. - Published in : JHEP 2402 (2024) 001 Fulltext: Publication - PDF; 2305.08645 - PDF;
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Introduction to the PanScales framework, version 0.1 / van Beekveld, Melissa (Nikhef, Amsterdam) ; Dasgupta, Mrinal (Manchester U.) ; El-Menoufi, Basem Kamal (Manchester U. ; Monash U.) ; Ravasio, Silvia Ferrario (CERN) ; Hamilton, Keith (U. Coll. London) ; Helliwell, Jack (Oxford U.) ; Karlberg, Alexander (CERN) ; Medves, Rok (Oxford U.) ; Monni, Pier Francesco (CERN) ; Salam, Gavin P. (Oxford U.) et al.
In this article, we document version 0.1 of the PanScales code for parton shower simulations. With the help of a few examples, we discuss basic usage of the code, including tests of logarithmic accuracy of parton showers. [...]
arXiv:2312.13275; CERN-TH-2023-238; Nikhef 2023-026; OUTP-23-16P.- 2024-06 - 25 p. - Published in : 10.21468/SciPostPhysCodeb.31 Fulltext: Publication - PDF; 2312.13275 - PDF;
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3.
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An event generator for neutrino-induced Deep Inelastic Scattering and applications to neutrino astronomy / Ferrario Ravasio, Silvia (CERN) ; Gauld, Rhorry (Garching, Max Planck Inst.) ; Jäger, Barbara (Tubingen U.) ; Karlberg, Alexander (CERN) ; Zanderighi, Giulia (Garching, Max Planck Inst. ; Munich, Tech. U.)
We extend the recently presented, fully exclusive, next-to-leading-order accurate event generator for the simulation of massless neutral- and charged-current deep inelastic scattering (DIS) to the case of incoming neutrinos. [...]
CERN-TH-2024-091 ; MPP-2024-121 ; arXiv:2407.03894. - 16 p.
Fulltext
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4.
(27)
A POWHEG generator for deep inelastic scattering / Banfi, Andrea (Sussex U.) ; Ferrario Ravasio, Silvia (CERN) ; Jäger, Barbara (Tubingen U.) ; Karlberg, Alexander (CERN) ; Reichenbach, Felix (Tubingen U.) ; Zanderighi, Giulia (Munich, Max Planck Inst. ; Munich, Tech. U.)
We present a new event generator for the simulation of both neutral- and charged-current deep inelastic scattering (DIS) at next-to-leading order in QCD matched to parton showers using the POWHEG method. Our implementation builds on the existing POWHEG BOX framework originally designed for hadron-hadron collisions, supplemented by considerable extensions to account for the genuinely different kinematics inherent to lepton-hadron collisions. [...]
arXiv:2309.02127.- 2024-02-02 - 54 p.
Fulltext: document - PDF; 2309.02127 - PDF;
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5.
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NLO + parton-shower generator for Wc production in the POWHEG BOX RES / Ferrario Ravasio, Silvia (CERN) ; Oleari, Carlo (Milan Bicocca U. ; INFN, Milan Bicocca)
We present the implementation of a next-to-leading-order plus parton-shower event generator for the hadronic production of a heavy charm quark accompanied by a leptonically-decaying $W$ boson in the POWHEG BOX RES framework. We consider both signatures, i.e. [...]
arXiv:2304.13791; CERN-TH-2023-064.- 2023-07-31 - 25 p. - Published in : Eur. Phys. J. C 83 (2023) 684 Fulltext: document - PDF; 2304.13791 - PDF;
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Subleading colour corrections in PanScales showers / Scyboz, Ludovic (speaker) (University of Oxford)
2021 - 2472. TH institutes; Taming the accuracy of event generators (Part 2) External links: Talk details; Event details In : Taming the accuracy of event generators (Part 2)
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7.
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Logarithmic accuracy of angular-ordered parton showers / Bewick, Gavin (Durham U., IPPP) ; Ferrario Ravasio, Silvia (Durham U., IPPP) ; Richardson, Peter (Durham U., IPPP ; CERN) ; Seymour, Michael H. (Manchester U.)
We study the logarithmic accuracy of angular-ordered parton showers by considering the singular limits of multiple emission matrix elements. This allows us to consider different choices for the evolution variable and propose a new choice which has both the correct logarithmic behaviour and improved performance away from the singular regions. [...]
arXiv:1904.11866; MAN/HEP/2019/003; CERN-TH-2019-047; MCnet-19-08; IPPP/19/30.- 2020-04-03 - 28 p. - Published in : JHEP 2004 (2020) 019 Article from SCOAP3: PDF; Fulltext: PDF;
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Parton Showering with Higher Logarithmic Accuracy for Soft Emissions / Ferrario Ravasio, Silvia (CERN) ; Hamilton, Keith (University Coll. London) ; Karlberg, Alexander (CERN) ; Salam, Gavin P. (Oxford U., Theor. Phys. ; Oxford U.) ; Scyboz, Ludovic (Oxford U., Theor. Phys.) ; Soyez, Gregory (CERN ; IPhT, Saclay)
The accuracy of parton-shower simulations is often a limiting factor in the interpretation of data from high-energy colliders. We present the first formulation of parton showers with accuracy one order beyond state-of-the-art next-to-leading logarithms, for classes of observable that are dominantly sensitive to low-energy (soft) emissions, specifically non-global observables and subjet multiplicities. [...]
arXiv:2307.11142; CERN-TH-2023-127; OUTP-23-07P.- 2023-10-18 - 11 p. - Published in : Phys. Rev. Lett. 131 (2023) 161906 Fulltext: PDF;
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A comparative study of Higgs boson production from vector-boson fusion / Buckley, A. (Glasgow U.) ; Chen, X. (Zurich U. ; KIT, Karlsruhe, TP ; KIT, Karlsruhe, SCC) ; Cruz-Martinez, J. (INFN, Milan ; Milan U.) ; Ferrario Ravasio, S. (Oxford U., Ctr. Quantum Comp. ; Durham U., IPPP) ; Gehrmann, T. (Zurich U.) ; Glover, E.W. N. (Durham U., IPPP) ; Höche, S. (Fermilab) ; Huss, A. (CERN) ; Huston, J. (Michigan State U.) ; Lindert, J.M. (Sussex U.) et al.
The data taken in Run II at the LHC have started to probe Higgs boson production at high transverse momentum. Future data will provide a large sample of events with boosted Higgs boson topologies, allowing for a detailed understanding of electroweak Higgs boson plus two-jet production, and in particular the vector-boson fusion mode (VBF). [...]
arXiv:2105.11399; FERMILAB-PUB-21-218-T; IPPP/20/101; MCNET-21-08; KA-TP-08-2021; KA-TP-08-2021, OUTP-21-14P; ZU-TH 22/21; CERN-TH-2021-081; OUTP-21-14P.- 2021-11-15 - 31 p. - Published in : JHEP 2111 (2021) 108 Fulltext: 2105.11399 - PDF; Publication - PDF; fermilab-pub-21-218-t - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower / 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.)
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. [...]
arXiv:2107.04051; CERN-TH-2021-103; OUTP-21-18P; MCnet-21-13; IPPP/21/05.- 2022-01-07 - 27 p. - Published in : JHEP 01 (2022) 026 Fulltext: document - PDF; 2107.04051 - PDF;
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