Results 41 to 50 of about 17,630 (246)

Mixed QCD-EW corrections for Higgs leptonic decay via HW + W − vertex

open access: yesJournal of High Energy Physics, 2021
We consider the two-loop corrections to the HW + W − vertex at order αα s . We construct a canonical basis for the two-loop integrals using the Baikov representation and the intersection theory.
Chichuan Ma   +4 more
doaj   +1 more source

Computation of NLO processes involving heavy quarks using Loop-Tree Duality [PDF]

open access: yesAIP Conference Proceedings, 2017
We present a new method to compute higher-order corrections to physical cross-sections, at Next-to-Leading Order and beyond. This method, based on the Loop Tree Duality, leads to locally integrable expressions in four dimensions. By introducing a physically motivated momentum mapping between the momenta involved in the real and the virtual ...
openaire   +2 more sources

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

Computing decay rates for new physics theories with FeynRules  and MadGraph 5_aMC@NLO [PDF]

open access: yesComputer Physics Communications, 2015
32 pages, 2 figures.
Alwall, Johan   +5 more
openaire   +4 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

Diphoton production in vector-boson scattering at the LHC at next-to-leading order QCD

open access: yesJournal of High Energy Physics, 2020
In this paper, we present results at next-to-leading order (NLO) QCD for photon pair production in association with two jets via vector boson scattering within the Standard Model (SM), and also in an effective field theory framework with anomalous gauge ...
Francisco Campanario   +3 more
doaj   +1 more source

The complete NLO corrections to dijet hadroproduction [PDF]

open access: yes, 2016
We study the production of jets in hadronic collisions, by computing all contributions proportional to $\alpha_S^n\alpha^m$, with $n+m=2$ and $n+m=3$. These correspond to leading and next-to-leading order results, respectively, for single-inclusive and ...
Frederix, Rikkert   +5 more
core   +1 more source

Automation of NLO computations using the FKS subtraction method [PDF]

open access: yesProceedings of RADCOR 2009 - 9th International Symposium on Radiative Corrections (Applications of Quantum Field Theory to Phenomenology) — PoS(RADCOR2009), 2010
In this talk the FKS subtraction method for next-to-leading order (in QCD) computations is reviewed and its automation in the computer code MadFKS is presented. As a proof of concept, some results in the form of plots for distributions at next-to-leading order in e+e− → 2, 3 and 4 jets are shown by interfacing this code to BlackHat and Rocket.
openaire   +2 more sources

Master integrals for the NNLO virtual corrections to μe scattering in QED: the planar graphs

open access: yesJournal of High Energy Physics, 2017
We evaluate the master integrals for the two-loop, planar box-diagrams contributing to the elastic scattering of muons and electrons at next-to-next-to leading-order in QED.
Pierpaolo Mastrolia   +3 more
doaj   +1 more source

QCD static force in gradient flow

open access: yesJournal of High Energy Physics, 2022
We compute the QCD static force and potential using gradient flow at next-to-leading order in the strong coupling. The static force is the spatial derivative of the static potential: it encodes the QCD interaction at both short and long distances.
Nora Brambilla   +3 more
doaj   +1 more source

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