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1.
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Truncation, validity, uncertainties
/ Brivio, Ilaria (Heidelberg U. ; Zurich U.) ; Dawson, Sally (Brookhaven) ; de Blas, Jorge (CAFPE, Granada ; Granada U., Theor. Phys. Astrophys. ; CERN) ; Durieux, Gauthier (CERN) ; Petrucciani, Giovanni (CERN) ; Savard, Pierre (Toronto U.) ; Berger, Nicolas (Annecy, LAPP) ; Contino, Roberto (Rome U.) ; Degrande, Céline (Louvain U., CP3) ; Falkowski, Adam (IJCLab, Orsay) et al.
The truncation of the standard-model effective field theory, its validity and the associated uncertainties have been discussed in meetings of the LHC EFT WG. Proposals were made by participants to address these issues. [...]
CERN-LHCEFTWG-2021-002; CERN-LPCC-2022-01; arXiv:2201.04974.-
21 - 8 p.
Fulltext: PDF; v2 draft: PDF;
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2.
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Automated one-loop computations in the SMEFT
/ Degrande, Céline (Louvain U., CP3) ; Durieux, Gauthier (Technion) ; Maltoni, Fabio (Louvain U., CP3 ; INFN, Bologna ; U. Bologna, DIFA) ; Mimasu, Ken (Louvain U., CP3) ; Vryonidou, Eleni (CERN) ; Zhang, Cen (Beijing, GUCAS ; Peking U., CHEP)
We present the automation of one-loop computations in the standard-model effective field theory at dimension six. Our general implementation, dubbed SMEFT@NLO, covers all types of operators: bosonic, two- and four-fermion ones. [...]
arXiv:2008.11743; CERN-TH-2020-140; CP3-20-42.-
2021-05-25 - 9 p.
- Published in : Phys. Rev. D 103 (2021) 096024
Article from SCOAP3: PDF; Fulltext: PDF;
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3.
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Proposal for the validation of Monte Carlo implementations of the standard model effective field theory
/ Durieux, Gauthier (ed.) (Technion) ; Brivio, Ilaria (ed.) (Bohr Inst. ; Heidelberg U.) ; Maltoni, Fabio (Louvain U., CP3 ; INFN, Bologna ; U. Bologna, DIFA) ; Trott, Michael (Bohr Inst.) ; Alioli, Simone (INFN, Milan Bicocca ; Milan Bicocca U.) ; Buckley, Andy (Glasgow U.) ; Chiesa, Mauro (Wurzburg U.) ; de Blas, Jorge (U. Padua, Dept. Phys. Astron. ; INFN, Padua) ; Dedes, Athanasios (Ioannina U.) ; Degrande, Céline (Louvain U., CP3) et al.
We propose a procedure to cross-validate Monte Carlo implementations of the standard model effective field theory. [...]
arXiv:1906.12310 ; CERN-LPCC-2019-02.
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2019. - 10 p.
Fulltext
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4.
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5.
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Single-top associated production with a $Z$ or $H$ boson at the LHC: the SMEFT interpretation
/ Degrande, Celine (CERN) ; Maltoni, Fabio (Louvain U., CP3) ; Mimasu, Ken (Louvain U., CP3) ; Vryonidou, Eleni (CERN) ; Zhang, Cen (Beijing, Inst. High Energy Phys.)
At the LHC, top quarks can be produced singly with a sizeable rate via electroweak interactions. This process probes a limited set of top-quark electroweak couplings, i.e. [...]
arXiv:1804.07773; CERN-TH-2018-092.-
2018-10-01 - 29 p.
- Published in : JHEP 10 (2018) 005
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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6.
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Electroweak Higgs production in Standard Model effective field theory at next-to-leading order in QCD
/ Mimasu, Ken (Louvain U., CP3) ; Degrande, Celine (CERN) ; Fuks, Benjamin (Paris, LPTHE) ; Mawatari, Kentarou (LPSC, Grenoble) ; Sanz, Veronica (Sussex U.)
We study the effect of dimension-six operators of the standard model effective field theory relevant for vector-boson fusion and associated Higgs boson production at the LHC. We present predictions at the next-to-leading order accuracy in QCD that include matching to parton showers and that rely on fully automated simulations. [...]
SISSA, 2018 - 8 p.
- Published in : PoS DIS2017 (2018) 298
Fulltext: PDF; External link: PoS server
In : 25th International Workshop on Deep Inelastic Scattering and Related Topics, Birmingham, UK, 03 - 07 Apr 2017, pp.298
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7.
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8.
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Circular polarisation: a new probe of dark matter and neutrinos in the sky
/ Bœhm, Céline (Durham U., IPPP ; Annecy, LAPTH ; Munich, Tech. U., Universe) ; Degrande, Céline (CERN) ; Mattelaer, Olivier (Louvain U., CP3) ; Vincent, Aaron C. (Imperial Coll., London)
The study of anomalous electromagnetic emission in the sky is the basis of indirect searches for dark matter. It is also a powerful tool to constrain the radiative decay of active neutrinos. [...]
arXiv:1701.02754; CERN-TH-2017-003; CP3-17-01.-
2017-05-22 - 12 p.
- Published in : JCAP 05 (2017) 043
Fulltext: PDF;
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9.
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Electroweak Higgs boson production in the standard model effective field theory beyond leading order in QCD
/ Degrande, Celine (CERN) ; Fuks, Benjamin (Paris, LPTHE ; UPMC, Paris (main)) ; Mawatari, Kentarou (LPSC, Grenoble ; Brussels U., IIHE ; Intl. Solvay Inst., Brussels) ; Mimasu, Ken (Sussex U. ; Louvain U., CP3) ; Sanz, Veronica (Sussex U.)
We study the impact of dimension-six operators of the standard model effective field theory relevant for vector-boson fusion and associated Higgs boson production at the LHC. We present predictions at the next-to-leading order accuracy in QCD that include matching to parton showers and that rely on fully automated simulations. [...]
arXiv:1609.04833; IPPP-16-80; LPSC16198; IPPP-16-80; LPSC16198.-
2017-04-25 - 12 p.
- Published in : Eur. Phys. J. C 77 (2017) 262
Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF;
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10.
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NLO predictions for the production of a spin-two particle at the LHC
/ Das, Goutam (Saha Inst.) ; Degrande, Celine (Durham U., IPPP) ; Hirschi, Valentin (SLAC) ; Maltoni, Fabio (Louvain U., CP3) ; Shao, Hua-Sheng (CERN)
We obtain predictions accurate at the next-to-leading order in QCD for the production of a generic spin-two particle in the most relevant channels at the LHC: production in association with coloured particles (inclusive, one jet, two jets and $t\bar t$), with vector bosons ($Z,W^\pm,\gamma$) and with the Higgs boson. We present total and differential cross sections as well as branching ratios as a function of the mass and the collision energy also considering the case of non-universal couplings to standard model particles. [...]
CERN-TH-2016-122; CP3-16-25; IPPP-16-42; MCNET-16-17; SLAC-PUB-16528; arXiv:1605.09359.-
2017-07-10 - 7 p.
- Published in : Phys. Lett. B 770 (2017) 507-513
Article from SCOAP3: PDF; Preprint: PDF; External link: Preprint
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