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Ad interim recommendations for the Higgs boson production cross sections at $\sqrt{s} = 13.6$ TeV
/ Karlberg, Alexander (CERN) ; Malcles, Julie (Université Paris-Saclay (FR)) ; Mistlberger, Bernhard (SLAC National Accelerator Laboratory (US)) ; Di Nardo, Roberto (Universita e INFN Roma Tre (IT)) ; Jones, Stephen Philip (University of Durham (GB)) ; Abidi, Haider (Brookhaven National Laboratory (US)) ; Ferrario Ravasio, Silvia (CERN) ; Pellen, Mathieu (Albert Ludwigs Universitaet Freiburg (DE)) ; Barone, Gaetano (Brown University (US)) ; Cooperstein, Stephane Brunet (Univ. of California San Diego (US)) et al.
This note documents predictions for the production cross sections of the Standard Model Higgs boson at the Large Hadron Collider at a centre of mass energy of 13.6 TeV. The predictions here are based on simple extrapolations of previously documented predictions published in the CERN Yellow Report ”Deciphering the Nature of the Higgs Sector”. [...]
arXiv:2402.09955; LHCHWG-2024-001.-
Geneva : CERN, 2024 - 13 p.
Fulltext: PDF; Updated PDF following discussions before final approval: PDF;
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Computing Pinched Feynman Integrals and the Method of Regions
/ Jones, Stephen Philip (speaker) (University of Durham (GB))
Sector decomposition is a well known method for numerically computing Feynman integrals. In the physical (Minkowski) region, it is sometimes necessary to deform the integration contour into the complex plane in order to avoid poles, or more generally singular hypersurfaces, in the integration domain. [...]
2023 - 1956.
Conferences, Workshops & Schools; QCD Meets Gravity 2023
External links: Talk details; Event details
In : QCD Meets Gravity 2023
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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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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+$2 jets calculation the two-loop virtual amplitudes are approximated via a reweighting with leading-order mass effects, while keeping all top-quark mass effects in the real radiation contributions. [...]
arXiv:2110.06953; KA-TP-21-2021; TTP21-035; CERN-TH-2021-153; P3H-21-070; ZU-TH 48/21
; IPPP/21/39.-
2022-03-15 - 22 p.
- Published in : JHEP 2203 (2022) 096
Fulltext: document - PDF; 2110.06953 - PDF;
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$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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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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Les Houches 2019: Physics at TeV Colliders: Standard Model Working Group Report
/ Amoroso, S. (DESY) ; Azzurri, P. (INFN, Pisa) ; Bendavid, J. (CERN) ; Bothmann, E. (Gottingen U.) ; Britzger, D. (Munich, Max Planck Inst.) ; Brooks, H. (Monash U.) ; Buckley, A. (Glasgow U.) ; Calvetti, M. (INFN, Pisa ; Pisa U.) ; Chen, X. (Zurich U.) ; Chiesa, M. (Annecy, LAPTH) et al.
This Report summarizes the proceedings of the 2019 Les Houches workshop on Physics at TeV Colliders. [...]
arXiv:2003.01700.
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226 p.
Fulltext
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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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