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It is well known that the validity of the so called Lenard-Magri scheme of integrability of a bi-Hamiltonian PDE can be established if one has some precise information on the corresponding 1st variational Poisson cohomology for one of the…

Mathematical Physics · Physics 2015-12-18 Alberto De Sole , Victor G. Kac

We present an effective field theory to resum the large double logarithms originated from soft-gluon radiations at small final-state hadron invariant masses in Higgs and vector boson (\gamma^*, $W$ and $Z$) production at hadron colliders.…

High Energy Physics - Phenomenology · Physics 2009-11-11 Ahmad Idilbi , Xiangdong Ji , Jian-Ping Ma , Feng Yuan

The studies of the associated production processes of a top-quark pair with a colour-singlet boson, e.g. Higgs, W or Z, are among the highest priorities of the LHC programme. Correspondingly, improvements in precision of theoretical…

High Energy Physics - Phenomenology · Physics 2020-08-26 Anna Kulesza , Leszek Motyka , Daniel Schwartländer , Tomasz Stebel , Vincent Theeuwes

A computational algorithm based on recursive equations is developed in order to estimate multigluon production processes at high energy hadron colliders. The partonic reactions gg->(n-2)g with n up to n=9 are studied and comparisons with…

High Energy Physics - Phenomenology · Physics 2009-10-31 P. Draggiotis , R. Kleiss , C. G. Papadopoulos

We calculate the three-loop matching coefficient $C_{HH}$, required for a consistent description of Higgs boson pair production in gluon fusion through next-to-next-to-leading order QCD in the heavy top quark approximation. We also compute…

High Energy Physics - Phenomenology · Physics 2015-06-22 Jonathan Grigo , Kirill Melnikov , Matthias Steinhauser

In this work, we study a system of coupled Cahn-Hilliard equations describing the phase separation of a copolymer and a homopolymer blend. The numerical methods we propose are based on suitable combinations of existing schemes for the…

Numerical Analysis · Mathematics 2021-04-07 Mattia Martini , Giacomo Enrico Sodini

We present the computer code RECOLA2 along with the first NLO electroweak corrections to Higgs production in vector-boson fusion and updated results for Higgs strahlung in the Two-Higgs-Doublet Model and Higgs-Singlet extension of the…

High Energy Physics - Phenomenology · Physics 2017-08-02 Ansgar Denner , Jean-Nicolas Lang , Sandro Uccirati

We discuss how the UN2LOPS scheme for matching NNLO calculations to parton showers can be applied to processes with large higher-order perturbative QCD corrections. We focus on Higgs-boson production through gluon fusion as an example. We…

High Energy Physics - Phenomenology · Physics 2015-06-22 Stefan Höche , Ye Li , Stefan Prestel

The contributions of virtual corrections and soft gluon emission to the inclusive Higgs production cross section pp -> H + X are computed at next-to-next-to-leading order in the heavy top quark limit. We show that this part of the total…

High Energy Physics - Phenomenology · Physics 2009-11-07 Robert V. Harlander , William B. Kilgore

This work studies the associated production of a top-quark pair with a $W$, $Z$, or Higgs boson at the LHC. Predictions for the total cross sections as well as for several differential distributions of the massive particles in the final…

High Energy Physics - Phenomenology · Physics 2019-09-04 Alessandro Broggio , Andrea Ferroglia , Rikkert Frederix , Davide Pagani , Benjamin D. Pecjak , Ioannis Tsinikos

We present the program package ggxy, which in its first version can be used to calculate partonic and hadronic cross sections to Higgs boson pair production at NLO QCD and it offers a direct interface to POWHEG-BOX. The 2-loop virtual…

High Energy Physics - Phenomenology · Physics 2025-12-19 Daniel Stremmer

We present applications of the program GoSam for the automated calculation of one-loop amplitudes. Results for NLO QCD corrections to beyond the Standard Model processes as well as Higgs plus up to three-jet production in gluon fusion are…

We present results for the complete one-loop electroweak logarithmic corrections for general processes at high energies and fixed angles. Our results are applicable to arbitrary matrix elements that are not mass-suppressed. We give explicit…

High Energy Physics - Phenomenology · Physics 2011-09-13 Ansgar Denner , Stefano Pozzorini

The analytical expressions of the mixed QCD-EW corrections to on-shell Z boson inclusive production cross section at hadron colliders are presented, together with computational details. The results are given in terms of polylogarithmic…

High Energy Physics - Phenomenology · Physics 2021-11-25 Roberto Bonciani , Federico Buccioni , Narayan Rana , Alessandro Vicini

We consider QCD radiative corrections to Standard Model Higgs boson production in association with a W boson in hadron collisions. We present a fully exclusive calculation up to next-to-next-to-leading order (NNLO) in QCD perturbation…

High Energy Physics - Phenomenology · Physics 2013-05-29 G. Ferrera , M. Grazzini , F. Tramontano

We consider Standard Model Higgs boson production through gluon--gluon fusion in hadron collisions. We combine the calculation of the next-to-next-to-leading order QCD corrections to the inclusive cross section with the resummation of…

High Energy Physics - Phenomenology · Physics 2015-06-04 D. de Florian , G. Ferrera , M. Grazzini , D. Tommasini

We generalize the family of approximate momentum average methods to formulate a numerically exact, convergent hierarchy of equations whose solution provides an efficient algorithm to compute the Green's function of a particle dressed by…

Strongly Correlated Electrons · Physics 2021-08-05 Matthew R. Carbone , David R. Reichman , John Sous

Using Wilsonian renormalization, we calculate the quantum correction to observable quantities, rather than the bare parameters, of the Higgs field. A physical parameter, such as a mass-squared or a quartic coupling, at an energy scale $\mu$…

High Energy Physics - Theory · Physics 2024-04-01 Kang-Sin Choi

This document is the manual for a free Mathematica package for computing with harmonic functions. This package allows the user to make calculations that would take a prohibitive amount of time if done without a computer. For example, the…

Mathematical Software · Computer Science 2016-11-08 Sheldon Axler

This paper presents new formulae for the harmonic numbers of order $k$, $H_{k}(n)$, and for the partial sums of two Fourier series associated with them, denoted here by $C^m_{k}(n)$ and $S^m_{k}(n)$. I believe this new formula for…

Number Theory · Mathematics 2026-04-28 Jose Risomar Sousa