Results 51 to 60 of about 17,639 (237)

Next-to-leading order electroweak corrections to off-shell WWW production at the LHC

open access: yesJournal of High Energy Physics, 2018
Triboson processes allow for a measurement of the triple and quartic couplings of the Standard Model gauge bosons, which can be used to constrain anomalous gauge couplings.
Marek Schönherr
doaj   +1 more source

Extending the MINLO method [PDF]

open access: yes, 2016
We consider improving POWHEG+MINLO simulations, so as to also render them NLO accurate in the description of observables receiving contributions from events with lower parton multiplicity than present in their underlying NLO calculation.
Frederix, Rikkert, Hamilton, Keith
core   +3 more sources

Two-loop master integrals for the planar QCD massive corrections to di-photon and di-jet hadro-production

open access: yesJournal of High Energy Physics, 2018
We present the analytic calculation of the Master Integrals necessary to compute the planar massive QCD corrections to Di-photon (and Di-jet) production at hadron colliders. The master integrals are evaluated by means of the differential equations method
Matteo Becchetti, Roberto Bonciani
doaj   +1 more source

Recent developments in POWHEG

open access: yes, 2010
I review recent developments in POWHEG, a method for interfacing parton-shower generators with NLO QCD computations. I illustrate recent progress in understanding several features of the method, and in clarifying similarity and differences with respect ...
Nason, P.
core   +1 more source

R2 vertices for the effective ggH theory

open access: yes, 2013
We list all possible R2 Feynman rules needed in NLO computations involving couplings of Higgs and gluons mediated by an infinitely heavy top loop. They provide the rational contribution generated by the (d-4)-dimensional part of the amplitude, paving the
Page, Ben, Pittau, Roberto
core   +1 more source

Master integrals for the NNLO virtual corrections to q q ¯ → t t ¯ $$ q\overline{q}\to t\overline{t} $$ scattering in QCD: the non-planar graphs

open access: yesJournal of High Energy Physics, 2019
We complete the analytic evaluation of the master integrals for the two-loop non-planar box diagrams contributing to the top-pair production in the quark-initiated channel, at next-to-next-to-leading order in QCD.
Stefano Di Vita   +5 more
doaj   +1 more source

Constructing d-log integrands and computing master integrals for three-loop four-particle scattering

open access: yesJournal of High Energy Physics, 2020
We compute all master integrals for massless three-loop four-particle scattering amplitudes required for processes like di-jet or di-photon production at the LHC.
Johannes Henn   +3 more
doaj   +1 more source

Thermal dilepton production from hot QCD

open access: yes, 2015
NLO and LPM-resummed computations of thermal dilepton production from a hot QCD plasma are reviewed. An interpolation applicable for all positive photon invariant masses is presented, and possibilities for comparisons with lattice and experimental data ...
Laine, M.
core   +1 more source

Reaching NNLOPS accuracy with POWHEG and MiNLO [PDF]

open access: yes, 2014
We describe how a simulation of Higgs boson production accurate at next-to-next-to-leading order and matched to a parton shower can be built by combining the POWHEG and MiNLO methods and using HNNLO results as input.Comment: 6 pages, 2 figures. Submitted
Re, Emanuele
core   +2 more sources

Two-loop perturbative corrections to the constrained effective potential in thermal QCD

open access: yesJournal of High Energy Physics, 2019
In this paper, we compute the constrained QCD effective potential up to two-loop order with finite quark mass and chemical potential. We present the explicit calculations by using the double line notation and analytical expressions for massless quarks ...
Yun Guo, Qianqian Du
doaj   +1 more source

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