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1.
$\alpha_S$ 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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2.
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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3.
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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4.
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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5.
Three-jet production in electron-positron collisions using the CoLoRFulNNLO method / Del Duca, Vittorio (Zurich, ETH) ; Duhr, Claude (CERN ; Louvain U., CP3) ; Kardos, Adam (Debrecen U. ; MTA-DE, Debrecen) ; Somogyi, Gábor (Debrecen U. ; MTA-DE, Debrecen) ; Trócsányi, Zoltán (Debrecen U. ; MTA-DE, Debrecen)
We introduce a subtraction method for jet cross sections at next-to-next-to-leading order (NNLO) accuracy in the strong coupling and use it to compute event shapes in three-jet production in electron-positron collisions. We validate our method on two event shapes, thrust and C-parameter, which are already known in the literature at NNLO accuracy and compute for the first time oblateness and the energy-energy correlation at the same accuracy..
arXiv:1603.08927.- 2016-10-07 - 5 p. - Published in : Phys. Rev. Lett. 117 (2016) 152004 APS Open Access article: PDF; Fulltext: PDF; Preprint: PDF; External link: Preprint
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Vea también: autores con nombres similares
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