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A collinear shower algorithm for NSL non-singlet fragmentation
/ van Beekveld, Melissa (NIKHEF, Amsterdam) ; Dasgupta, Mrinal (Manchester U.) ; El-Menoufi, Basem Kamal (Monash U.) ; Helliwell, Jack (Oxford U., Theor. Phys.) ; Monni, Pier Francesco (CERN) ; Salam, Gavin P. (Oxford U., Theor. Phys. ; U. Oxford (main))
We formulate a collinear partonic shower algorithm that achieves next-to-single-logarithmic (NSL, $\alpha_s^n L^{n-1}$) accuracy for collinear-sensitive non-singlet fragmentation observables. [...]
CERN-TH-2024-125 ; Nikhef 2024-013 ; OUTP-24-05P ; arXiv:2409.08316.
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36.
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New Standard for the Logarithmic Accuracy of Parton Showers
/ van Beekveld, Melissa (Nikhef, Amsterdam) ; Dasgupta, Mrinal (Manchester U.) ; El-Menoufi, Basem Kamal (Monash U.) ; Ferrario Ravasio, Silvia (CERN) ; Hamilton, Keith (University Coll. London) ; Helliwell, Jack (Oxford U., Theor. Phys.) ; Karlberg, Alexander (CERN) ; Monni, Pier Francesco (CERN) ; Salam, Gavin P. (Oxford U., Theor. Phys. ; U. Oxford (main)) ; Scyboz, Ludovic (Monash U.) et al.
We report on a major milestone in the construction of logarithmically accurate final-state parton showers, achieving next-to-next-to-leading-logarithmic (NNLL) accuracy for the wide class of observables known as event shapes. The key to this advance lies in the identification of the relation between critical NNLL analytic resummation ingredients and their parton-shower counterparts. [...]
arXiv:2406.02661; CERN-TH-2024-057; OUTP-24-03P.-
2025-01-03 - 7 p.
- Published in : Phys. Rev. Lett. 134 (2025) 011901
Fulltext: 2406.02661 - PDF; Publication - 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: 2312.13275 - PDF; Publication - PDF;
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Collinear fragmentation at NNLL: generating functionals, groomed correlators and angularities
/ van Beekveld, Melissa (Oxford U., Theor. Phys.) ; Dasgupta, Mrinal (Manchester U. ; CERN) ; El-Menoufi, Basem Kamal (Manchester U.) ; Helliwell, Jack (Oxford U., Theor. Phys.) ; Monni, Pier Francesco (CERN)
Jet calculus offers a unique mathematical technique to bridge the area of QCD resummation with Monte Carlo parton showers. With the ultimate goal of constructing next-to-next-to-leading logarithmic (NNLL) parton showers we study, using the language of generating functionals, the collinear fragmentation of final-state partons. [...]
arXiv:2307.15734; CERN-TH-2023-143; OUTP-23-08P.-
2024-05-09 - 47 p.
- Published in : JHEP 2405 (2024) 093
Fulltext: 2307.15734 - PDF; document - PDF;
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Event Generators for High-Energy Physics Experiments
/ Campbell, J.M. (Fermilab) ; Diefenthaler, M. (Jefferson Lab) ; Hobbs, T.J. (Fermilab ; IIT, Chicago) ; Höche, Stefan (Fermilab) ; Isaacson, Joshua (Fermilab) ; Kling, Felix (DESY) ; Mrenna, Stephen (Fermilab) ; Reuter, J. (DESY) ; Alioli, S. (Milan Bicocca U. ; INFN, Milan Bicocca) ; Andersen, J.R. (Durham U., IPPP) et al.
We provide an overview of the status of Monte-Carlo event generators for high-energy particle physics. Guided by the experimental needs and requirements, we highlight areas of active development, and opportunities for future improvements. [...]
arXiv:2203.11110; CP3-22-12; DESY-22-042; FERMILAB-PUB-22-116-SCD-T; IPPP/21/51,
JLAB-PHY-22-3576; KA-TP-04-2022; LA-UR-22-22126; LU-TP-22-12; MCNET-22-04,
OUTP-22-03P; P3H-22-024; PITT-PACC 2207; UCI-TR-2022-02.-
2024-05-24 - 225 p.
- Published in : 10.21468/SciPostPhys.16.5.130
Fulltext: jt - PDF; 2203.11110 - PDF; Fulltext from Publisher: PDF; External links: JLab Document Server; Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.
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Parton Showers beyond Leading Logarithmic Accuracy
/ Dasgupta, Mrinal (U. Manchester (main)) ; Dreyer, Frédéric A. (Oxford U., Theor. Phys.) ; Hamilton, Keith (U. Coll. London) ; Monni, Pier Francesco (CERN) ; Salam, Gavin P. (Oxford U., Theor. Phys.) ; Soyez, Gregory (IPhT, Saclay)
Parton showers are among the most widely used tools in collider physics. Despite their key importance, none so far has been able to demonstrate accuracy beyond a basic level known as leading logarithmic (LL) order, with ensuing limitations across a broad spectrum of physics applications. [...]
arXiv:2002.11114; CERN-TH-2020-026.-
2020-07-29 - 6 p.
- Published in : Phys. Rev. Lett. 125 (2020) 052002
Article from SCOAP3: PDF; Fulltext: PDF;
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Monte Carlo event generators for high energy particle physics event simulation
/ Buckley, Andy (ed.) (Glasgow U.) ; Krauss, Frank (ed.) (Durham U.) ; Plätzer, Simon (ed.) (Vienna U.) ; Seymour, Michael (ed.) (Manchester U.) ; Alioli, Simone (Milan Bicocca U.) ; Andersen, Jeppe (Durham U.) ; Bellm, Johannes (Lund U.) ; Butterworth, Jon (University Coll. London) ; Dasgupta, Mrinal (Manchester U.) ; Duhr, Claude (CERN ; University Coll. London) et al.
Monte Carlo event generators (MCEGs) are the indispensable workhorses of particle physics, bridging the gap between theoretical ideas and first-principles calculations on the one hand, and the complex detector signatures and data of the experimental community on the other hand. [...]
arXiv:1902.01674 ; MCnet-19-02.
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2019. - 7 p.
Fermilab Library Server (fulltext available) - Fulltext - Fulltext
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