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Related papers: Recent Developments in Higher-Order Calculations: …

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We study the inclusive production, at hadron colliders, of a Higgs boson and a jet widely separated in rapidity. Kinematic sectors explored fall into the so-called semi-hard regime, where both fixed-order and high-energy dynamics come into…

High Energy Physics - Phenomenology · Physics 2023-05-10 Francesco Giovanni Celiberto , Luigi Delle Rose , Michael Fucilla , Gabriele Gatto , Alessandro Papa

We compute the complete next-to-leading order electroweak corrections to the form factors entering gluon-induced Higgs boson pair production. We consider the top quark contribution in the limit where the Mandelstam variables are much larger…

High Energy Physics - Phenomenology · Physics 2026-03-11 Joshua Davies , Kay Schönwald , Matthias Steinhauser , Hantian Zhang

I present results for the resummation of soft-gluon contributions to QCD hard-scattering cross sections at next-to-next-to-leading logarithm accuracy. A key ingredient is the calculation of two-loop soft anomalous dimensions for the…

High Energy Physics - Phenomenology · Physics 2011-04-12 Nikolaos Kidonakis

We perform a threshold resummation calculation for the associated production of squarks and electroweakinos at the LHC to the next-to-leading logarithmic (NLL) accuracy. Analytical results for the process-dependent soft anomalous dimension…

High Energy Physics - Phenomenology · Physics 2022-06-24 J. Fiaschi , B. Fuks , M. Klasen , A. Neuwirth

We compute the NLO virtual corrections to the partonic cross section of $gg\to HH$, in the high energy limit. Finite Higgs boson mass effects are taken into account via an expansion which is shown to converge quickly. We obtain analytic…

High Energy Physics - Phenomenology · Physics 2019-02-20 Joshua Davies , Go Mishima , Matthias Steinhauser , David Wellmann

Higgs-pair production via gluon fusion is the dominant production mechanism of Higgs-boson pairs at hadron colliders. In this work, we present details of our numerical determination of the full next-to-leading-order (NLO) QCD corrections to…

High Energy Physics - Phenomenology · Physics 2020-05-01 J. Baglio , F. Campanario , S. Glaus , M. M. Muhlleitner , J. Ronca , M. Spira , J. Streicher

We propose that loop integrals with internal heavy particles can be evaluated by expanding in the limit of small external masses. This provides a systematically improvable approximation to the integrals in the entire phase space, and works…

High Energy Physics - Phenomenology · Physics 2019-02-05 Xiaofeng Xu , Li Lin Yang

We calculate the one-loop corrections to the soft anomalous dimension matrices for the production of a top-antitop quark pair in association with a jet at hadron colliders. This is a step forward towards implementing a procedure for the…

High Energy Physics - Phenomenology · Physics 2022-07-12 Bakar Chargeishvili , Maria Vittoria Garzelli , Sven-Olaf Moch

We present a precise and efficient computation of the two-loop amplitudes entering the Higgs boson pair production process via gluon fusion. Our approach is based on the small-Higgs-mass expansion while keeping the full dependence on the…

High Energy Physics - Phenomenology · Physics 2021-09-29 Guoxing Wang , Yuxuan Wang , Xiaofeng Xu , Yongqi Xu , Li Lin Yang

We consider QCD corrections to Higgs boson production through gluon--gluon fusion in hadron collisions. We compute the cross section, performing the all-order resummation of multiple soft-gluon emission at next-to-next-to-leading…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Catani , D. de Florian , M. Grazzini , P. Nason

We present predictions for gluon-fusion Higgs boson production in association with one jet at next-to-leading order in QCD. The calculation is performed retaining the full dependence on the top-quark mass. The two-loop integrals appearing…

High Energy Physics - Phenomenology · Physics 2018-07-20 Matthias Kerner

The associated production of a Higgs boson with a top-antitop quark pair is a crucial process at the LHC since it allows for a direct measurement of the top-quark Yukawa coupling. We present the computation of the radiative corrections to…

High Energy Physics - Phenomenology · Physics 2023-03-29 Stefano Catani , Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli , Chiara Savoini

In this paper we present a Next-to-Next-to Leading Order (NNLO) calculation of the production of a Higgs boson in association with a massive vector boson. We include the decays of the unstable Higgs and vector bosons, resulting in a fully…

High Energy Physics - Phenomenology · Physics 2016-07-20 John M. Campbell , R. Keith Ellis , Ciaran Williams

Owing to the forecasted improved sensitivity of ground-based gravitational-wave detectors, new research avenues will become accessible. This is the case for gravitational-wave strong lensing, predicted with a non-negligible observation rate…

General Relativity and Quantum Cosmology · Physics 2023-10-18 Justin Janquart , K. Haris , Otto A. Hannuksela , Chris Van Den Broeck

We present a new framework for calculating multi-jet observables. The framework is based on the factorisation of scattering amplitudes in the kinematical limit of large invariant mass between all particles. We show that by constraining the…

High Energy Physics - Phenomenology · Physics 2009-06-11 Jeppe R. Andersen

We present the resumed predictions consisting of both soft-virtual(SV) as well as next-to-SV(NSV) threshold logarithms to all orders in perturbative QCD for the rapidity distribution of Higgs Boson till $\rm NNLO + \overline{NNLL}$ accuracy…

High Energy Physics - Phenomenology · Physics 2023-07-26 V. Ravindran , Aparna Sankar , Surabhi Tiwari

In this talk we discuss recent progress concerning precise predictions for hadron colliders. We show results of two applications of tensor reduction using GOLEM methods: the next-to-leading order (NLO) corrections to $pp \to ZZ+$jet as an…

High Energy Physics - Phenomenology · Physics 2010-01-15 Stefan Karg , Thomas Binoth , Tanju Gleisberg , Nikolas Kauer , Michael Kramer , Qiang Li , Gregory Sanguinetti , Dieter Zeppenfeld

We present new, state-of-the-art predictions for the associated production of the SM Higgs boson with top quarks, computed in accordance with the recommendations of the LHC Higgs Working Group. The NNLO QCD predictions, derived through…

We discuss cross sections for $tW$ production in proton-proton collisions at the LHC and at higher-energy colliders with energies of up to 100 TeV. We find that, remarkably, the soft-gluon corrections are numerically dominant even at very…

High Energy Physics - Phenomenology · Physics 2021-06-16 Nikolaos Kidonakis , Nodoka Yamanaka

A summary of recent results obtained for higher-order corrections to precision observables in the Standard Model and the Minimal Supersymmetric Standard Model is given. In the Standard Model electroweak two-loop results valid for arbitrary…

High Energy Physics - Phenomenology · Physics 2011-03-02 G. Weiglein
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