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State-of-the-art cross sections for ttH: NNLO predictions matched with NNLL resummation and EW corrections
/ Balsach, Roger (Institute for Theoretical Physics, University of Munster, D-48149 Munster, Germany) ; Broggio, Alessandro (Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria) ; Devoto, Simone (Department of Physics and Astronomy, Ghent University, 9000 Ghent, Belgium) ; Ferroglia, Andrea (Physics Department, New York City College of Technology, The City University of New York, 300 Jay Street, Brooklyn, NY 11201, USA & The Graduate School and University Center, The City University of New York, 365 Fifth Avenue, New York, NY 10016, USA) ; Frederix, Rikkert (Department of Physics, Lund University, SE-223 63 Lund, Sweden) ; Grazzini, Massimiliano (University of Zurich (CH)) ; Kallweit, Stefan (University of Zurich (CH)) ; Kulesza, Anna (Institute for Theoretical Physics, University of Munster, D-48149 Munster, Germany) ; Mazzitelli, Javier (Paul Scherrer Institut, 5232 Villigen PSI, Switzerland) ; Motyka, Leszek (Institute of Theoretical Physics, Jagellonian University,S.Lojasiewicza11,30-348Krakow,Poland) et al.
We present new, state-of-the-art predictions for the associated production of the SM Higgs boson with top quarks, computed in accordance with the recommendations of the LHC Higgs Working Group. The NNLO QCD predictions, derived through suitable approximations of the two-loop virtual contribution, are supplemented with soft-gluon resummation up to NNLL accuracy. [...]
LHCHWG-2025-001.-
Geneva : CERN, 2025
Fulltext: PDF;
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Mixed QCD-EW corrections to the neutral-current Drell-Yan process
/ Armadillo, Tommaso (Milan U. ; INFN, Milan) ; Bonciani, Roberto (Florence U. ; INFN, Rome ; Rome U.) ; Buonocore, Luca (CERN) ; Devoto, Simone (Gent U.) ; Grazzini, Massimiliano (Zurich U.) ; Kallweit, Stefan (Zurich U.) ; Rana, Narayan (NISER, Jatni) ; Vicini, Alessandro (Milan U. ; INFN, Milan)
We report on the complete computation of the mixed QCD-electroweak corrections to the neutral-current Drell-Yan process. [...]
CERN-TH-2024-199 ; ZU-TH 56/24 ; TIF-UNIMI-2024-18 ; arXiv:2412.16095.
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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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Higher-order corrections on diboson production processes with MATRIX
/ Kallweit, Stefan (CERN) ; Grazzini, Massimiliano (Zurich U.) ; Wiesemann, Marius (CERN)
We review the calculations of the next-to-next-to-leading order (NNLO) QCD corrections to vector-boson pair production processes in proton–proton collisions and their implementation in the computational framework MATRIX, which has been publicly released recently. Our calculations include the leptonic decays of $W$ and $Z$ bosons, consistently taking into account spin correlations, off-shell effects and non-resonant contributions. [...]
SISSA, 2018 - 10 p.
- Published in : PoS RADCOR2017 (2018) 075
Fulltext: PDF; External link: PoS server
In : 13th International Symposium on Radiative Corrections : Application of Quantum Field Theory to Phenomenology, St. Gilgen, Austria, 24 - 29 Sep 2017, pp.075
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Higgs boson pair production at NNLO with top quark mass effects
/ Grazzini, Massimiliano (Zurich U.) ; Heinrich, Gudrun (Munich, Max Planck Inst.) ; Jones, Stephen (Munich, Max Planck Inst.) ; Kallweit, Stefan (CERN) ; Kerner, Matthias (Munich, Max Planck Inst.) ; Lindert, Jonas M. (Durham U., IPPP) ; Mazzitelli, Javier (Zurich U.)
We consider QCD radiative corrections to Higgs boson pair production through gluon fusion in proton collisions. We combine the exact next-to-leading order (NLO) contribution, which features two-loop virtual amplitudes with the full dependence on the top quark mass $M_t$, with the next-to-next-to-leading order (NNLO) corrections computed in the large-$M_t$ approximation. [...]
arXiv:1803.02463; CERN-TH-2018-044; IPPP/18/15; MPP-2018-30; ZU-TH 10/18; IPPP-18-15; ZU-TH-10-18.-
2018-05-09 - 19 p.
- Published in : JHEP 05 (2018) 059
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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Fully-differential NNLO predictions for vector-boson pair production with MATRIX
/ Wiesemann, Marius (Zurich U.) ; Grazzini, Massimiliano (Zurich U.) ; Kallweit, Stefan (U. Mainz, PRISMA) ; Rathlev, Dirk (DESY)
We review the computations of the next-to-next-to-leading order (NNLO) QCD corrections to vector-boson pair production processes in proton–proton collisions and their implementation in the numerical code MATRIX. Our calculations include the leptonic decays of W and Z bosons, consistently taking into account all spin correlations, off-shell effects and non-resonant contributions. [...]
SISSA, 2016 - 10 p.
- Published in : PoS: LL2016 (2016) , pp. 072
- Published in : PoS: LHCP2016 (2016) , pp. 050
Fulltext: PoS(LL2016)072 - PDF; PoS(LHCP2016)050 - PDF; External link: PoS server
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