0000000000172479

AUTHOR

Michal Czakon

showing 2 related works from this author

Top quark pair production at complete NLO accuracy with NNLO+NNLL′ corrections in QCD

2019

We describe predictions for top-quark pair differential distributions at hadron colliders, which combine state-of-the-art NNLO QCD calculations and NLO electroweak corrections together with double resummation at NNLL$'$ accuracy of threshold logarithms and small-mass logarithms. This is the first time that such a combination has appeared in the literature. Numerical results are presented for the invariant-mass distribution, the transverse-momentum distribution as well as rapidity distributions.

Nuclear and High Energy PhysicsParticle physicsTop quarkLogarithmHadroncorrection [quantum chromodynamics]FOS: Physical sciencesrapidity spectrum [top]momentum spectrum [transverse momentum]pair production [top]01 natural sciences530High Energy Physics - ExperimentHigh Energy Physics - Experiment (hep-ex)High Energy Physics - Phenomenology (hep-ph)transverse momentum [top]0103 physical sciencescorrection [electroweak interaction]scattering [p p]Rapidityddc:530Resummation010306 general physicsInstrumentationQuantum chromodynamicsPhysicshigher-order [correction]010308 nuclear & particles physicsElectroweak interactionHigh Energy Physics::PhenomenologyAstronomy and Astrophysics2 [higher-order]ddc:High Energy Physics - PhenomenologyPair productionHigh Energy Physics::Experiment
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Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data

2010

We present the achievements of the last years of the experimental and theoretical groups working on hadronic cross section measurements at the low-energy e (+) e (-) colliders in Beijing, Frascati, Ithaca, Novosibirsk, Stanford and Tsukuba and on tau decays. We sketch the prospects in these fields for the years to come. We emphasise the status and the precision of the Monte Carlo generators used to analyse the hadronic cross section measurements obtained as well with energy scans as with radiative return, to determine luminosities and tau decays. The radiative corrections fully or approximately implemented in the various codes and the contribution of the vacuum polarisation are discussed.

Particle physicsPhysics and Astronomy (miscellaneous)Monte Carlo methodHadronFOS: Physical sciences01 natural sciencesHigh Energy Physics - ExperimentHigh Energy Physics - Experiment (hep-ex)Cross section (physics)High Energy Physics - Phenomenology (hep-ph)Low energy0103 physical sciencesRadiative transferddc:530010306 general physicsEngineering (miscellaneous)Particle Physics - PhenomenologyPhysics010308 nuclear & particles physicsFísicaExperimental dataHigh Energy Physics - Phenomenology[PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]Physics::Accelerator PhysicsHigh Energy Physics::ExperimentEnergy (signal processing)
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