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Like-Sign W-Boson Scattering at the LHC -- Approximations and Full Next-to-Leading-Order Predictions
Stefan Dittmaier, Philipp Maierhöfer, Christopher Schwan +1
We present a new calculation of next-to-leading-order corrections of the strong and electroweak interactions to like-sign W-boson scattering at the Large Hadron Collider, implement…
Developments since Kira 2.0
Fabian Lange, Philipp Maierhöfer, Johann Usovitsch
Last year we released version 2.0 of the Feynman integral reduction program Kira. In this contribution we first report on changes and new features since then and, secondly, on new…
Integral Reduction with Kira 2.0 and Finite Field Methods
Jonas Klappert, Fabian Lange, Philipp Maierhöfer +1
We present the new version 2.0 of the Feynman integral reduction program Kira and describe the new features. The primary new feature is the reconstruction of the final coefficients…
OpenLoops 2
Federico Buccioni, Jean-Nicolas Lang, Jonas M. Lindert +4
We present the new version of OpenLoops, an automated generator of tree and one-loop scattering amplitudes based on the open-loop recursion. One main novelty of OpenLoops 2 is the…
Higgs interference effects at the one-loop level in the 1-Higgs-Singlet extension of the Standard Model
Nikolas Kauer, Alexander Lind, Philipp Maierhöfer +1
A detailed study of Higgs interference effects at the one-loop level in the 1-Higgs-Singlet extension of the Standard Model (1HSM) is presented for the WW and tt decay modes with f…
QCD and electroweak corrections to WZ scattering at the LHC
Ansgar Denner, Stefan Dittmaier, Philipp Maierhöfer +2
We present the first computation of the full next-to-leading-order QCD and electroweak corrections to the WZ scattering process at the LHC. All off-shell, gauge-boson-decay, and in…
Les Houches 2017: Physics at TeV Colliders Standard Model Working Group Report
J. Bendavid, F. Caola, V. Ciulli +102
This Report summarizes the proceedings of the 2017 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard…
Kira - A Feynman Integral Reduction Program
Philipp Maierhoefer, Johann Usovitsch, Peter Uwer
In this article, we present a new implementation of the Laporta algorithm to reduce scalar multi-loop integrals---appearing in quantum field theoretic calculations---to a set of ma…
Precise predictions for V+jets dark matter backgrounds
J. M. Lindert, S. Pozzorini, R. Boughezal +16
High-energy jets recoiling against missing transverse energy (MET) are powerful probes of dark matter at the LHC. Searches based on large MET signatures require a precise control o…
Next-to-leading order QCD predictions for top-quark pair production with up to three jets
Stefan Höche, Philipp Maierhoefer, Niccolo Moretti +2
We present theoretical predictions for the production of top-quark pairs with up to three jets at the next-to leading order in perturbative QCD. The relevant calculations are perfo…
Physics at a 100 TeV pp collider: Standard Model processes
M. L. Mangano, G. Zanderighi, J. A. Aguilar Saavedra +73
This report summarises the properties of Standard Model processes at the 100 TeV pp collider. We document the production rates and typical distributions for a number of benchmark S…
Differential Higgs Boson Pair Production at Next-to-Next-to-Leading Order in QCD
Daniel de Florian, Massimiliano Grazzini, Catalin Hanga +5
We report on the first fully differential calculation for double Higgs boson production through gluon fusion in hadron collisions up to next-to-next-to-leading order (NNLO) in QCD…
Boosting invisible searches via : From the Higgs Boson to Dark Matter Simplified Models
Dorival Goncalves, Frank Krauss, Silvan Kuttimalai +1
Higgs boson production in association with a -boson at the LHC is analysed, both in the Standard Model and in Simplified Model extensions for Dark Matter. We focus on $H\rightar…
production at hadron colliders in NNLO QCD
Massimiliano Grazzini, Stefan Kallweit, Dirk Rathlev +1
We report on the first computation of the next-to-next-to-leading order (NNLO) QCD corrections to production in proton collisions. We consider both the inclusive product…
NLO QCD+EW predictions for V+jets including off-shell vector-boson decays and multijet merging
Stefan Kallweit, Jonas M. Lindert, Stefano Pozzorini +2
We present next-to-leading order (NLO) predictions including QCD and electroweak (EW) corrections for the production and decay of off-shell electroweak vector bosons in association…
Higgs-Strahlung: Merging the NLO Drell-Yan and Loop-Induced 0+1 jet Multiplicities
Dorival Goncalves, Frank Krauss, Silvan Kuttimalai +1
We analyse the production of a Higgs boson in association with a Z boson at hadron colliders in the Standard Model and some simple extensions. We show how multi-jet merging algorit…
NLO electroweak automation and precise predictions for W+multijet production at the LHC
Stefan Kallweit, Jonas M. Lindert, Philipp Maierhöfer +2
We present a fully automated implementation of next-to-leading order electroweak (NLO EW) corrections in the OpenLoops matrix-element generator combined with the Sherpa and Munich…
production at hadron colliders in NNLO QCD
T. Gehrmann, M. Grazzini, S. Kallweit +5
Charged gauge boson pair production at the Large Hadron Collider allows detailed probes of the fundamental structure of electroweak interactions. We present precise theoretical pre…
ZZ production at hadron colliders in NNLO QCD
F. Cascioli, T. Gehrmann, M. Grazzini +7
We report on the first calculation of next-to-next-to-leading order (NNLO) QCD corrections to the inclusive production of ZZ pairs at hadron colliders. Numerical results are presen…
NNLO QCD subtraction for top-antitop production in the channel
Gabriel Abelof, Aude Gehrmann-De Ridder, Philipp Maierhöfer +1
We present the computation of the double real and real-virtual contributions to top-antitop pair production in the quark-antiquark channel at leading colour. The $q \bar q \to t \b…
Next-to-leading order QCD predictions for top-quark pair production with up to two jets merged with a parton shower
Stefan Höche, Frank Krauss, Philipp Maierhoefer +3
We present differential cross sections for the production of top-quark pairs in conjunction with up to two jets, computed at next-to leading order in perturbative QCD and consisten…
A unified NLO description of top-pair and associated Wt production
F. Cascioli, S. Kallweit, P. Maierhöfer +1
We present an NLO simulation of WWbb production with massive b-quarks at the LHC. Off-shell and non-resonant contributions associated with top-pair and single-top channels and with…
Higgs Boson pair production merged to one jet
Philipp Maierhöfer, Andreas Papaefstathiou
We develop a Monte Carlo event generator for Higgs Boson pair production merged to exact one-jet matrix elements. The matrix elements are generated with OpenLoops and event generat…
Higgs Boson Pair Production at Next-to-Next-to-Leading Order in QCD
Daniel de Florian, Javier Mazzitelli
We compute the next-to-next-to-leading order QCD corrections for Standard Model Higgs boson pair production inclusive cross section at hadron colliders within the large top-mass ap…