157 citations · 1.5k across the 35 of their papers we have counts for
19 papers · 1 filter
Next-to-leading-order QCD Corrections to Higgs Production in association with a Jet
R. Bonciani, V. Del Duca, H. Frellesvig +6
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 depend…
Functions Beyond Multiple Polylogarithms for Precision Collider Physics
Jacob L. Bourjaily, Johannes Broedel, Ekta Chaubey +14
Feynman diagrams constitute one of the essential ingredients for making precision predictions for collider experiments. Yet, while the simplest Feynman diagrams can be evaluated in…
On the Application of Intersection Theory to Feynman Integrals: The Univariate Case
Hjalte Frellesvig, Luca Mattiazzi
This document is a contribution to the proceedings of the MathemAmplitudes 2019 conference held in December 2019 in Padova, Italy. A key step in modern high energy physics scatteri…
Two-Loop QCD-EW Master Integrals for Z Plus Jet Production at Large Transverse Momentum
Hjalte Frellesvig, Kirill Kudashkin, Christopher Wever
The production of electroweak bosons that decay to neutrinos and recoil against jets with large transverse momentum is an important background process to searches for…
The complete set of two-loop master integrals for Higgs + jet production in QCD
Hjalte Frellesvig, Martijn Hidding, Leila Maestri +2
In this paper we complete the computation of the two-loop master integrals relevant for Higgs plus one jet production initiated in arXiv:1609.06685, arXiv:1907.13156, arXiv:1907.13…
Evaluating two-loop non-planar master integrals for Higgs + jet production with full heavy-quark mass dependence
R. Bonciani, V. Del Duca, H. Frellesvig +6
We present the analytic computation of a family of non-planar master integrals which contribute to the two-loop scattering amplitudes for Higgs plus one jet production, with full h…
Decomposition of Feynman Integrals on the Maximal Cut by Intersection Numbers
Hjalte Frellesvig, Federico Gasparotto, Stefano Laporta +4
We elaborate on the recent idea of a direct decomposition of Feynman integrals onto a basis of master integrals on maximal cuts using intersection numbers. We begin by showing an a…
The double-soft integral for an arbitrary angle between hard radiators
Fabrizio Caola, Maximilian Delto, Hjalte Frellesvig +1
We consider the double-soft limit of a generic QCD process involving massless partons and integrate analytically the double-soft eikonal functions over the phase-space of soft part…
The HiggsTools Handbook: Concepts and observables for deciphering the Nature of the Higgs Sector
M. Boggia, J. M. Cruz-Martinez, Hjalte Frellesvig +15
This Report summarizes some of the activities of the HiggsTools Initial Training Network working group in the period 2015-2017. The main goal of this working group was to produce a…
Cuts of Feynman Integrals in Baikov representation
Hjalte Frellesvig, Costas G. Papadopoulos
Based on the Baikov representation, we present a systematic approach to compute cuts of Feynman Integrals, appropriately defined in dimensions. The information provided by thes…
Two-loop planar master integrals for Higgs partons with full heavy-quark mass dependence
Roberto Bonciani, Vittorio Del Duca, Hjalte Frellesvig +3
We present the analytic computation of all the planar master integrals which contribute to the two-loop scattering amplitudes for Higgs partons, with full heavy-quark mass d…
On the Reduction and Evaluation of Generalized Polylogarithms
Hjalte Frellesvig, Damiano Tommasini, Christopher Wever
This is a contribution to the proceedings of the 2016 "Loops and legs" conference, based on the talk by HF. The talk was based on the paper "On the reduction of Generalized Polylog…
On the reduction of generalized polylogarithms to and and on the evaluation thereof
Hjalte Frellesvig, Damiano Tommasini, Christopher Wever
We give expressions for all generalized polylogarithms up to weight four in terms of the functions log, , and , valid for arbitrary complex variables.…
Next-to-Leading Order QCD Corrections to the Decay Width
R. Bonciani, V. Del Duca, H. Frellesvig +3
We present the analytic calculation of the two-loop QCD corrections to the decay width of a Higgs boson into a photon and a boson. The calculation is carried out using integrat…
Multi-loop integrand reduction techniques
Simon Badger, Hjalte Frellesvig, Yang Zhang
We review recent progress in D-dimensional integrand reduction algorithms for two loop amplitudes and give examples of their application to non-planar maximal cuts of the five-poin…
Multi-loop Integrand Reduction with Computational Algebraic Geometry
Simon Badger, Hjalte Frellesvig, Yang Zhang
We discuss recent progress in multi-loop integrand reduction methods. Motivated by the possibility of an automated construction of multi-loop amplitudes via generalized unitarity c…
A Two-Loop Five-Gluon Helicity Amplitude in QCD
Simon Badger, Hjalte Frellesvig, Yang Zhang
We compute the planar part of the two-loop five gluon amplitude with all helicities positive. To perform the calculation we develop a D-dimensional generalized unitarity procedure…
An Integrand Reconstruction Method for Three-Loop Amplitudes
Simon Badger, Hjalte Frellesvig, Yang Zhang
We consider the maximal cut of a three-loop four point function with massless kinematics. By applying Groebner bases and primary decomposition we develop a method which extracts al…
Hepta-Cuts of Two-Loop Scattering Amplitudes
Simon Badger, Hjalte Frellesvig, Yang Zhang
We present a method for the computation of hepta-cuts of two loop scattering amplitudes. Four dimensional unitarity cuts are used to factorise the integrand onto the product of six…