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1.
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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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2.
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Top-quark mass effects in $H$+jet and $H$+2 jets production
/ Chen, X. (KIT, Karlsruhe ; KIT, Karlsruhe, TP ; Zurich U.) ; Huss, A. (CERN) ; Jones, S.P. (Durham U., IPPP) ; Kerner, M. (KIT, Karlsruhe ; KIT, Karlsruhe, TP ; Zurich U.) ; Lang, J.-N. (Zurich U.) ; Lindert, J.M. (Sussex U.) ; Zhang, Hantian (Zurich U. ; KIT, Karlsruhe, TTP)
We present calculations of Higgs boson production via gluon-gluon fusion in association with one or two additional jets at next-to-leading order in QCD. The calculation of H+jet is exact in the treatment of the top-quark mass, whereas for the $H+$2 jets calculation the two-loop virtual amplitudes are approximated via a reweighting with leading-order mass effects, while keeping all top-quark mass effects in the real radiation contributions. [...]
arXiv:2110.06953; KA-TP-21-2021; TTP21-035; CERN-TH-2021-153; P3H-21-070; ZU-TH 48/21
; IPPP/21/39.-
2022-03-15 - 22 p.
- Published in : JHEP 2203 (2022) 096
Fulltext: document - PDF; 2110.06953 - PDF;
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3.
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$ZH$ production in gluon fusion: two-loop amplitudes with full top quark mass dependence
/ Chen, Long (Munich, Max Planck Inst. ; Aachen, Tech. Hochsch.) ; Heinrich, Gudrun (KIT, Karlsruhe, TP) ; Jones, Stephen P. (CERN ; Durham U., IPPP) ; Kerner, Matthias (Zurich U.) ; Klappert, Jonas (RWTH Aachen U.) ; Schlenk, Johannes (PSI, Villigen)
We present results for the two-loop helicity amplitudes entering the NLO QCD corrections to the production of a Higgs boson in association with a $Z$-boson in gluon fusion. The two-loop integrals, involving massive top quarks, are calculated numerically. [...]
arXiv:2011.12325; ZU-TH 45/20; CERN-TH-2020-199; IPPP/20/57; P3H-20-076,
KA-TP-21-2020; P3H-20-076, KA-TP-21-2020; TTK-20-42; PSI-PR-20-21; PSI-PR-20-21 P3H-20-076\\ KA-TP-21-2020\\ TTK-20-42\\ PSI-PR-20-21.-
2021-03-11 - 26 p.
- Published in : JHEP 2103 (2021) 125
Article from SCOAP3: PDF; Fulltext: PDF;
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4.
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Trilinear Higgs boson coupling variations for di-Higgs production with full NLO QCD predictions in Powheg
/ Heinrich, G (Munich, Max Planck Inst.) ; Jones, S (CERN) ; Kerner, M (Zurich U.) ; Luisoni, G (Munich, Max Planck Inst.) ; Scyboz, L (Munich, Max Planck Inst.)
The couplings of the Higgs boson to other particles are increasingly well measured by the ATLAS and CMS experiments. The Higgs boson trilinear self-coupling however is still largely unconstrained, mainly due to the low cross-section for Higgs boson pair production. [...]
IOP, 2020 - 6 p.
- Published in : J. Phys.: Conf. Ser. 1525 (2020) 012009
Published fulltext: PDF;
In : 19th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Saas Fee, Switzerland, 11 - 15 Mar 2019, pp.012009
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5.
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A non-linear EFT description of $gg\to HH$ at NLO interfaced to POWHEG
/ Heinrich, Gudrun (KIT, Karlsruhe, TP) ; Jones, Stephen P. (CERN) ; Kerner, Matthias (Zurich U.) ; Scyboz, Ludovic (Oxford U., Theor. Phys.)
We present the implementation of Higgs boson pair production in gluon fusion within a non-linear Effective Field Theory framework containing five anomalous couplings for this process. The code, available within the POWHEG-BOX-V2, includes full NLO QCD corrections with massive top quarks. [...]
arXiv:2006.16877; CERN-TH-2020-106; KA-TP-04-2020; OUTP-20-06P; P3H-20-026,
ZU-TH-21/20; P3H-20-026, ZU-TH-21/20.-
2020-10-05 - 17 p.
- Published in : JHEP 2020 (2020) 021
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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6.
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Precise predictions for boosted Higgs production
/ Becker, Kathrin (Freiburg U.) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Massironi, Andrea (CERN ; INFN, Milan Bicocca) ; Mistlberger, Bernhard (MIT) ; Monni, Pier Francesco (CERN) ; Chen, Xuan (Zurich U.) ; Frixione, Stefano (INFN, Genoa) ; Gehrmann, Thomas (Zurich U.) ; Glover, Nigel (Durham U., IPPP) ; Hamilton, Keith (University Coll. London) et al.
Inclusive Higgs boson production at large transverse momentum is induced by different production channels. We focus on the leading production through gluon fusion, and perform a consistent combination of the state of the art calculations obtained in the infinite-top-mass effective theory at next-to-next-to-leading order (NNLO) and in the full Standard Model (SM) at next-to-leading order (NLO). [...]
arXiv:2005.07762; CERN-TH-2020-074.-
2024-01-04 - 17 p.
- Published in : SciPost Phys. Core 7 (2024) 001
Fulltext: 2005.07762 - PDF; document - PDF; Publication - PDF;
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7.
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Photon pair production in gluon fusion: Top quark effects around threshold
/ Chen, Long (Munich, Max Planck Inst.) ; Heinrich, Gudrun (Munich, Max Planck Inst.) ; Jahn, Stephan (Munich, Max Planck Inst.) ; Jones, Stephen P. (CERN) ; Kerner, Matthias (Zurich U.) ; Schlenk, Johannes (PSI, Villigen) ; Yokoya, Hiroshi (Korea Inst. Advanced Study, Seoul)
We present a calculation of the NLO QCD corrections to the loop-induced production of a photon pair through gluon fusion, including massive top quarks at two loops. The two-loop virtual amplitudes are computed via projecting onto a set of Lorentz structures related to linear polarisation states of external gauge bosons. [...]
arXiv:1912.05943; MPP-2019-254.-
SISSA, 2019-12-12 - 11 p.
- Published in : PoS RADCOR2019 (2019) 026
Fulltext: PoS(RADCOR2019)026 - PDF; 1912.05943 - PDF;
In : 14th International Symposium on Radiative Corrections : Application of Quantum Field Theory to Phenomenology, Avignon, France, 8 - 13 Sep 2019, pp.026
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8.
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Photon pair production in gluon fusion: Top quark effects at NLO with threshold matching
/ Chen, Long (Munich, Max Planck Inst.) ; Heinrich, Gudrun (Munich, Max Planck Inst.) ; Jahn, Stephan (Munich, Max Planck Inst.) ; Jones, Stephen P. (CERN) ; Kerner, Matthias (Zurich U.) ; Schlenk, Johannes (PSI, Villigen) ; Yokoya, Hiroshi (Korea Inst. Advanced Study, Seoul)
We present a calculation of the NLO QCD corrections to the loop-induced production of a photon pair through gluon fusion, including massive top quarks at two loops, where the two-loop integrals are calculated numerically. Matching the fixed-order NLO results to a threshold expansion, we obtain accurate results around the top quark pair production threshold. [...]
arXiv:1911.09314; CERN-TH-2019-195; MPP-2019-236; PSI-PR-19-24; ZU-TH 48/19.-
2020-04-20 - 26 p.
- Published in : JHEP 2004 (2020) 115
Article from SCOAP3: PDF; Fulltext: PDF;
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9.
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Numerical Multiloop Calculations: Sector Decomposition and QMC Integration in pySecDec
/ Borowka, S (CERN) ; Heinrich, G (Munich, Max Planck Inst.) ; Jahn, S (Munich, Max Planck Inst.) ; Jones, Stephen Philip (CERN) ; Kerner, M (Zurich U.) ; Schlenk, J (Durham U., IPPP)
The FCC-ee will allow the experimental uncertainties on several important observables, such as the Electroweak Pseudo-Observables (EWPOs), to be reduced by up to two orders of magnitude compared to the previous generation LEP/SLC experiments [1, 2]. In order to be able to best exploit this unprecedented boost in precision, it is necessary also for theoretical predictions to be known with sufficient accuracy. [...]
2019 - 10 p.
- Published in : 10.23731/CYRM-2020-003.185
Fulltext: Preprint - PDF; Publication - PDF;
In : Theory for the FCC-ee : Report on the 11th FCC-ee Workshop Theory and Experiments, pp.185-192
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10.
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Higgs boson pair production at colliders: status and perspectives
/ Di Micco, Biagio (ed.) (INFN, Rome3 ; Rome III U.) ; Gouzevitch, Maxime (ed.) (Lyon, IPN) ; Mazzitelli, Javier (ed.) (Zurich U.) ; Vernieri, Caterina (ed.) (SLAC) ; Alison, J. (Carnegie Mellon U.) ; Androsov, K. (INFN, Pisa) ; Baglio, J. (Tubingen U.) ; Bagnaschi, E. (PSI, Villigen) ; Banerjee, S. (Durham U., IPPP) ; Basler, P. (KIT, Karlsruhe, TTP) et al.
This document summarises the current theoretical and experimental status of the di-Higgs boson production searches, and of the direct and indirect constraints on the Higgs boson self-coupling, with the wish to serve as a useful guide for the next years. The document discusses the theoretical status, including state-of-the-art predictions for di-Higgs cross sections, developments on the effective field theory approach, and studies on specific new physics scenarios that can show up in the di-Higgs final state. [...]
arXiv:1910.00012; FERMILAB-CONF-19-468-E-T; LHCXSWG-2019-005.-
2020-11 - 161 p.
- Published in : Rev. Phys. 5 (2020) 100045
Fulltext: 1910.00012 - PDF; fermilab-conf-19-468-e-t - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server (fulltext available)
In : Double Higgs Production at Colliders, Batavia, IL, USA, 4 - 9 Sep 2018, pp.100045
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