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CoLoRFul for hadron collisions: Integrating the counterterms
/ Van Thurenhout, S. (Wigner RCP, Budapest) ; Del Duca, V. (Zurich, ETH ; Zurich U. ; Frascati) ; Duhr, C. (U. Bonn, Phys. Inst., BCTP) ; Fekésházy, L. (Wigner RCP, Budapest ; Hamburg U., Inst. Theor. Phys. II ; Eotvos U.) ; Guadagni, F. (Zurich U.) ; Mukherjee, P. (Hamburg U., Inst. Theor. Phys. II) ; Somogyi, G. (Wigner RCP, Budapest) ; Tramontano, F. (CERN ; Naples U.)
In order to numerically compute scattering cross sections in QCD, one needs to deal with various kinematic divergences that appear at intermediate stages of the calculation. [...]
DESY-24-190 ; arXiv:2412.12750.
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Next-to-leading-order QCD Corrections to Higgs Production in association with a Jet
/ Bonciani, Roberto (Rome U.) ; Del Duca, Vittorio (INFN, Rome ; Zurich U. ; Frascati) ; Frellesvig, Hjalte (Bohr Inst.) ; Hidding, Martijn (Uppsala U.) ; Hirschi, Valentin (CERN) ; Moriello, Francesco (Unlisted, CH) ; Salvatori, Giulio (Princeton, Inst. Advanced Study) ; Somogyi, Gábor (Wigner RCP, Budapest) ; Tramontano, Francesco (Naples U. ; INFN, Naples)
We compute the next-to-leading-order (NLO) QCD corrections to the Higgs pT distribution in Higgs production in association with a jet via gluon fusion at the LHC, with exact dependence on the mass of the quark circulating in the heavy-quark loops. The NLO corrections are presented including the top-quark mass, and for the first time, the bottom-quark mass as well. [...]
arXiv:2206.10490.-
2023-06-12 - 7 p.
- Published in : Phys. Lett. B 843 (2023) 137995
Fulltext: 2206.10490 - PDF; Publication - PDF;
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CoLoRFulNNLO at work: A determination of $\alpha_S$
/ Kardos, A (KLTE-ATOMKI) ; Kluth, S (Munich, Max Planck Inst.) ; Somogyi, G (MTA-DE, Debrecen ; U. Debrecen, Inst. Phys.) ; Tulipant, Zoltan (MTA-DE, Debrecen) ; Troczanyi, Zoltan (MTA-DE, Debrecen ; Eotvos Lorand U., Budapest, Inst. Theor. Phys.) ; Verbytskyi, A (Munich, Max Planck Inst.)
The most precise determination of fundamental parameters of the Standard Model is very important. One such fundamental parameter is the strong coupling of QCD. [...]
2019 - 8 p.
- Published in : 10.23731/CYRM-2020-003.57
Fulltext: Preprint - PDF; Publication - PDF;
In : Theory for the FCC-ee : Report on the 11th FCC-ee Workshop Theory and Experiments, pp.57-64
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$\alpha_s$(2019): Precision measurements of the QCD coupling
/ d'Enterria, David (CERN) ; Kluth, Stefan (Munich, Max Planck Inst.) ; Alekhin, S. (Hamburg U.) ; Baikov, P.A. (Lomonosov Moscow State U.) ; Banfi, A. (Sussex U.) ; Barreiro, F. (Madrid, Autonoma U.) ; Bazavov, A. (Michigan State U., East Lansing (main)) ; Bethke, S. ; Blümlein, J. (DESY, Zeuthen) ; Boito, D. (Sao Paulo U.) et al.
This document collects a written summary of all contributions presented at the workshop "$\alpha_s$(2019): Precision measurements of the strong coupling" held at ECT* (Trento) in Feb. 11--15, 2019. [...]
arXiv:1907.01435.-
SISSA, 2019-07-09 - 154 p.
- Published in : PoS: ALPHAS2019 (2019) , pp. 001
Fulltext: PDF;
In : Workshop on precision measurements of the QCD coupling constant (alphas-2019), Trento, Italy, 11 - 15 Feb 2019, pp.001
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$\alpha_S$ from energy-energy correlations and jet rates in $e^+e^-$ collisions
/ Verbytskyi, Andrii (Munich, Max Planck Inst.) ; Banfi, Andrea (U. Sussex (main)) ; Kardos, Adam (Debrecen U.) ; Kluth, Stefan (Munich, Max Planck Inst.) ; Monni, Pier Francesco (CERN) ; Somogyi, Gabor (MTA-DE, Debrecen) ; Szor, Zoltan (U. Mainz, PRISMA) ; Trócsányi, Zoltán (Eotvos Lorand U., Budapest, Inst. Theor. Phys. ; MTA-DE, Debrecen) ; Tulipant, Zoltan (MTA-DE, Debrecen) ; Zanderighi, Giulia (Munich, Max Planck Inst.)
We present a comparison of the computation of energy-energy correlations and Durham algorithm jet rates in $e^+e^−$ collisions at next-to-next-to-leading logarithmic accuracy matched with the $\mathcal{O}(\alpha^3_s)$ perturbative prediction to LEP, PEP, PETRA, SLC, and TRISTAN data. With these predictions we perform extractions of the strong coupling constant taking into account non-perturbative effects modelled with modern Monte Carlo event generators that simulate NLO QCD corrections..
SISSA, 2019 - 9 p.
- Published in : PoS ALPHAS2019 (2019) 003
Fulltext from publisher: PDF;
In : Workshop on precision measurements of the QCD coupling constant (alphas-2019), Trento, Italy, 11 - 15 Feb 2019, pp.003
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$\alpha_s$(2019) discussions summary
/ Alekhin, Sergey (Hamburg U., Inst. Theor. Phys. II ; Serpukhov, IHEP) ; Barreiro, Fernando (U. Autonoma, Madrid (main)) ; Bethke, Siegfried (Munich, Max Planck Inst.) ; Brambilla, Nora (Munich, Tech. U.) ; Britzger, Daniel (Munich, Max Planck Inst.) ; Brodsky, Stanley J (SLAC) ; Camarda, Stefano (CERN) ; D'Enterria, David (CERN) ; Dalla Brida, Mattia (INFN, Milan Bicocca ; Milan Bicocca U.) ; Golterman, Maarten (San Francisco State U.) et al.
A summary of the main points of discussion raised during the talks and their follow-up questions,as well as in the round table of the last day of the $α_s$ (2019) workshop, is presented. The discussions not only focused on particular issues affecting each one of the individual $α_s$ extractions, but also on the current PDG categorization of $α_s$ measurements and on the methods used to average them into a single $α_s$ ($m_Z$) value. [...]
SISSA, 2019 - 8 p.
- Published in : PoS ALPHAS2019 (2019) 026
Fulltext from publisher: PDF;
In : Workshop on precision measurements of the QCD coupling constant (alphas-2019), Trento, Italy, 11 - 15 Feb 2019, pp.026
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Theory for the FCC-ee : Report on the 11th FCC-ee Workshop Theory and Experiments : Geneva, Switzerland 08 - 11 Jan 2019
Theory for the FCC-ee: Report on the 11th FCC-ee Workshop Theory and Experiments - 11th FCC-ee workshop
08 - 11 Jan 2019
- Geneva, Switzerland
/ Blondel, A. (ed.) (Geneva U.); Gluza, J. (ed.) (Silesia U. ; Hradec Kralove U.); Jadach, S. (ed.) (Cracow, INP); Janot, P. (ed.) (CERN); Riemann, T. (ed.) (Silesia U. ; DESY, Zeuthen); Abreu, S. (Louvain U., CP3); Aguilera-Verdugo, J.J. (Valencia U.); Arbuzov, A.B. (Dubna, JINR); Baglio, J. (Tubingen U.); Bakshi, S.D. (Indian Inst. Tech., Kanpur) et al.
The FCC at CERN, a proposed 100-km circular facility with several colliders in succession, culminates with a 100 TeV proton-proton collider. It offers a vast new domain of exploration in particle physics, with orders of magnitude advances in terms of Precision, Sensitivity and Energy. [...]
Geneva : CERN, 2020 - 286 p.
arXiv:1905.05078 .- CERN-2020-003 .- BU-HEPP-19-03 .- CERN-TH-2019-061 .- CP3-19-22 .- DESY-19-072 .- FR-PHENO-2019-005 .- IFIC/19-23 .- IFT-UAM-CSIC-19-058 .- IPhT-19-050 .- IPPP/19/32 .- KW 19-003 .- MPP-2019-84 .- LTH 1203 .- ZU-TH-22-19 .- TUM-HEP-1200-19 .- TTP19-008 .- TTK-19-19 .- CERN-2020-003
- Published in : 10.23731/CYRM-2020-003
e-proceedings
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Precise determination of $\alpha_S$ ($M_Z$) from global fits of $e^+ e^−$ data to NNLO+NNLL predictions
/ Verbytskyi, Andrii (Munich, Max Planck Inst.) ; Banfi, Andrea (Sussex U.) ; Kardos, Adam (MTA-DE, Debrecen ; Debrecen U.) ; Monni, Pier Francesco (CERN) ; Kluth, Stefan (Munich, Max Planck Inst.) ; Somogyi, Gábor (MTA-DE, Debrecen ; Debrecen U.) ; Szőr, Zoltán (Mainz U., Inst. Phys.) ; Trocsányi, Zoltán (MTA-DE, Debrecen ; Debrecen U.) ; Tulipánt, Zoltán (MTA-DE, Debrecen ; Debrecen U.) ; Zanderighi, Giulia (CERN)
We present a comparison of the computation of energy-energy correlations and Durham algorithm jet rates in $e^+e^−$ collisions at next-to-next-to-leading logarithmic accuracy matched with the next-to-next-to-leading order perturbative prediction to LEP, PEP, PETRA, SLC and TRISTAN data. With these predictions we perform global extractions of the strong coupling constant taking into account non-perturbative effects modelled with modern Monte Carlo event generators that simulate NLO QCD corrections..
2018 - 6 p.
- Published in : Nucl. Part. Phys. Proc. 300-302 (2018) 87-92
In : 21th High-Energy Physics International Conference in Quantum Chromodynamics, Montpellier, France, 2 - 6 Jul 2018, pp.87-92
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High precision determination of $\alpha_s$ from a global fit of jet rates
/ Verbytskyi, Andrii (Munich, Max Planck Inst.) ; Banfi, Andrea (Sussex U.) ; Kardos, Adam (Debrecen U.) ; Monni, Pier Francesco (CERN) ; Kluth, Stefan (Munich, Max Planck Inst.) ; Somogyi, Gábor (MTA-DE, Debrecen) ; Szőr, Zoltán (U. Mainz, PRISMA) ; Trócsányi, Zoltán (MTA-DE, Debrecen ; Eotvos U.) ; Tulipánt, Zoltán (MTA-DE, Debrecen) ; Zanderighi, Giulia (Munich, Max Planck Inst.)
We present state-of-the-art extractions of the strong coupling based on N$^3$LO+NNLL accurate predictions for the two-jet rate in the Durham clustering algorithm at $e^+e^-$ collisions, as well as a simultaneous fit of the two- and three-jet rates taking into account correlations between the two observables. The fits are performed on a large range of data sets collected at LEP and PETRA colliders, with energies spanning from $35$ GeV to $207$ GeV. [...]
arXiv:1902.08158; MPP-2019-37; CERN-TH-2019-015; MITP/19-012.-
2019-08-23 - 33 p.
- Published in : JHEP 1908 (2019) 129
Article from SCOAP3: PDF; Fulltext: PDF;
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Jet production in the CoLoRFulNNLO method: event shapes in electron-positron collisions
/ Del Duca, Vittorio (Zurich, ETH) ; Duhr, Claude (CERN ; Louvain U., CP3) ; Kardos, Adam (Debrecen U. ; Santa Barbara, KITP) ; Somogyi, Gábor (Debrecen U.) ; Szőr, Zoltán (Debrecen U. ; Santa Barbara, KITP) ; Trócsányi, Zoltán (Debrecen U. ; Santa Barbara, KITP) ; Tulipánt, Zoltán (Debrecen U.)
We present the CoLoRFulNNLO method to compute higher order radiative corrections to jet cross sections in perturbative QCD. We apply our method to the computation of event shape observables in electron-positron collisions at NNLO accuracy and validate our code by comparing our predictions to previous results in the literature. [...]
arXiv:1606.03453; CERN-TH-2016-138.-
2016 - 45 p.
- Published in : Phys. Rev. D 94 (2016) 074019
APS Open Access article: PDF; Fulltext: arXiv:1606.03453 - PDF; 10.1103_PhysRevD.94.074019 - PDF; External link: Preprint
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