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Precision matching of microscopic physics to the Standard Model Effective Field Theory (SMEFT) / Greljo, Admir (Universitaet Bern (CH)) ; Dawson, Sally (Department of Physics, Brookhaven National Laboratory (US)) ; Lohwasser, Kristin (University of Sheffield (GB)) ; Aebischer, Jason (Universität Zürich (CH)) ; Das Bakshi, Supratim (Universidad de Granada (ES)) ; Carmona, Adrían (Universidad de Granada (ES)) ; Chakrabortty, Joydeep (Indian Institute of Technology Kanpur (IN)) ; Cohen, Timothy (University of Oregon (US)) ; Criado, Juan Carlos (Durham University (UK)) ; Fuentes-Martín, Javier (Universidad de Granada (ES)) et al.
This note gives an overview of the tools for the precision matching of ultraviolet theories to the Standard Model effective field theory (SMEFT) at the tree level and one loop. Several semi- and fully automated codes are presented, as well as some supplementary codes for the basis conversion and the subsequent running and matching at low energies. [...]
arXiv:2212.02905; CERN-LHCEFTWG-2022-002; CERN-LPCC-2022-07.- Geneva : CERN, 2022 - 23 p. Fulltext: CERN-LHCEFTWG-2022-002 - PDF; 2212.02905 - PDF;

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Tree-level splitting amplitudes for a gluon into four collinear partons / Del Duca, Vittorio (Zurich, ETH) ; Duhr, Claude (CERN) ; Haindl, Rayan (Zurich, ETH) ; Lazopoulos, Achilleas (Zurich, ETH) ; Michel, Martin (Louvain U., CP3)
We compute in conventional dimensional regularisation the tree-level splitting amplitudes for a gluon parent which splits into four collinear partons. This is part of the universal infrared behaviour of the QCD scattering amplitudes at next- to-next-to-next-to-leading order (N

$^3$ LO) in the strong coupling constant. [...]
arXiv:2007.05345.- 2020-10-14 - 31 p. - Published in : JHEP 2010 (2020) 093 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;

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Tree-level splitting amplitudes for a quark into four collinear partons / Del Duca, Vittorio (Zurich, ETH) ; Duhr, Claude (CERN) ; Haindl, Rayan (Zurich, ETH) ; Lazopoulos, Achilleas (Zurich, ETH) ; Michel, Martin (Louvain U., CP3)
We compute in conventional dimensional regularisation the tree-level splitting amplitudes for a quark parent in the limit where four partons become collinear to each other. This is part of the universal infrared behaviour of the QCD scattering amplitudes at next-to-next-to-next-to-leading order (

${\rm N^3LO}$ ) in the strong coupling constant. [...]
arXiv:1912.06425; CERN-TH-2019-221; CP3-19-57.- 2020-02-28 - 46 p. - Published in : JHEP 2002 (2020) 189 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDFPDFA; Fulltext: PDF; External link: Article from SCOAP3

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iHixs 2 - Inclusive Higgs Cross Sections / Dulat, Falko (SLAC) ; Lazopoulos, Achilleas (Zurich, ETH) ; Mistlberger, Bernhard (CERN)
We present a new release of the program iHixs. This easy-to-use tool allows to derive state of the art predictions for the inclusive production cross section of a Higgs boson at hadron colliders in the gluon fusion production mode. [...]
arXiv:1802.00827; CERN-TH-2018-019; SLAC-PUB-17222.- 2018-12 - 18 p. - Published in : Comp. Phys. Commun. 233 (2018) 243-260 Fulltext: PDF; External link: GitHub

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CP-even scalar boson production via gluon fusion at the LHC / Anastasiou, Charalampos (Zurich, ETH) ; Duhr, Claude (CERN ; Louvain U., CP3) ; Dulat, Falko (Zurich, ETH) ; Furlan, Elisabetta (Zurich, ETH ; Santa Barbara, KITP) ; Gehrmann, Thomas (Zurich U.) ; Herzog, Franz (NIKHEF, Amsterdam) ; Lazopoulos, Achilleas (Zurich, ETH) ; Mistlberger, Bernhard (CERN)
In view of the searches at the LHC for scalar particle resonances in addition to the 125 GeV Higgs boson, we present the cross section for a CP-even scalar produced via gluon fusion at N3LO in perturbative QCD assuming that it couples directly to gluons in an effective theory approach. We refine our prediction by taking into account the possibility that the scalar couples to the top-quark and computing the corresponding contributions through NLO in perturbative QCD. [...]
arXiv:1605.05761; CP3-16-12; ZU-TH-11/16; NIKHEF 2016-013; CERN-TH-2016-085; NSF-KITP-16-039.- 2016-09-07 - 33 p. - Published in : JHEP 09 (2016) 037 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;

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High precision determination of the gluon fusion Higgs boson cross-section at the LHC / Anastasiou, Charalampos (Zurich, ETH) ; Duhr, Claude (CERN ; Louvain U., CP3) ; Dulat, Falko (Zurich, ETH) ; Furlan, Elisabetta (Zurich, ETH) ; Gehrmann, Thomas (Zurich U.) ; Herzog, Franz (NIKHEF, Amsterdam) ; Lazopoulos, Achilleas (Zurich, ETH) ; Mistlberger, Bernhard (CERN)
We present the most precise value for the Higgs boson cross-section in the gluon-fusion production mode at the LHC. Our result is based on a perturbative expansion through N

$^3$ LO in QCD, in an effective theory where the top-quark is assumed to be infinitely heavy, while all other Standard Model quarks are massless [...]
arXiv:1602.00695; CP3-16-01; ZU-TH-27-15; NIKHEF-2016-004; CERN-TH-2016-006; CP3-16-01; ZU-TH 27-15; NIKHEF 2016-004; CERN-TH-2016-006.- Geneva : CERN, 2016-05-10 - 114 p. - Published in : JHEP 05 (2016) 058 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF;

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Vea también: autores con nombres similares
7	Lazopoulos, A
5	Lazopoulos, A.
1	Lazopoulos, Achillefs

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