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Vector-boson pair production is an important background for Higgs boson and new physics searches at the Large Hadron Collider LHC. We have calculated the loop-induced gluon-fusion process gg -> WW -> leptons, allowing for arbitrary…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Binoth , M. Ciccolini , N. Kauer , M. Krämer

The production of W pairs from the one-loop gluon fusion process is studied. Formulas are presented for the helicity amplitudes keeping the top mass finite, but all other quark masses zero. The correlations among the leptons coming from the…

High Energy Physics - Phenomenology · Physics 2009-11-11 M. D"uhrssen , K. Jakobs , P. Marquard , J. J. van der Bij

A leading order (LO) analysis is presented that demonstrates that key top backgrounds to H -> W^+W^- -> l^\pm l^\mp \sla{p}_T decays in weak boson fusion (WBF) and gluon fusion (GF) at the CERN Large Hadron Collider can be extrapolated from…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Kauer

In this article, we summarise the recent experimental measurements and theoretical work on Higgs boson production via vector-boson fusion at the LHC. Along with this, we provide state-of-the-art predictions at fixed order as well as with…

The detection and the measurement of the production cross section of a light Higgs boson at the CERN Large Hadron Collider demand the accurate prediction of the background distributions of photon pairs. To improve this theoretical…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Balazs , P. Nadolsky , C. Schmidt , C. -P. Yuan

The searches for H -> WW events at the LHC use data driven techniques for estimating the q qbar -> WW background, by normalizing the background cross section to data in a control region. We investigate the possibility that new physics…

High Energy Physics - Phenomenology · Physics 2012-10-23 Bastian Feigl , Heidi Rzehak , Dieter Zeppenfeld

A SM-like Higgs boson can be produced in a variety of channels at the LHC. By combining information from production via gluon fusion and weak boson fusion, various partial widths and the total Higgs boson width can be extracted. Expected…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Zeppenfeld

We compute the QCD corrections to the gluon fusion subprocess gg to gamma gamma, which forms an important component of the background to the search for a light Higgs boson at the LHC. We study the dependence of the improved pp to gamma…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zvi Bern , Lance Dixon , Carl Schmidt

We present precise predictions for the Higgs boson rapidity distribution at the LHC in the gluon fusion production mode. Our approach relies on the fully analytic computation of six terms in a systematic expansion of the partonic…

High Energy Physics - Phenomenology · Physics 2019-02-20 Falko Dulat , Bernhard Mistlberger , Andrea Pelloni

We present updated predictions for the total cross section for Higgs boson production through gluon fusion at hadron colliders. In addition to renormalization-group improvement at next-to-next-to-next-to-leading logarithmic accuracy, we…

High Energy Physics - Phenomenology · Physics 2011-04-05 Valentin Ahrens , Thomas Becher , Matthias Neubert , Li Lin Yang

We briefly review the status of high precision QCD predictions available for LHC processes, focusing on corrections beyond NLO and ways to make the latter available in a convenient format. As a phenomenological example we discuss the…

High Energy Physics - Phenomenology · Physics 2017-10-16 Gudrun Heinrich

The present status of theoretical calculations for signal and background processes relevant to the Higgs boson search at the LHC is reviewed, with special emphasis on recent developments. The issue of Higgs properties determination at the…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Piccinini

We present updated predictions for the total cross section for Higgs boson production by gluon--gluon fusion in hadron collisions. Our calculation includes the most advanced theoretical information available at present for this observable:…

High Energy Physics - Phenomenology · Physics 2009-11-19 D. de Florian , M. Grazzini

For an intermediate mass Higgs boson with SM-like couplings the LHC allows observation of a variety of decay channels in production by gluon fusion and weak boson fusion. Cross section ratios provide measurements of various ratios of Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Zeppenfeld , R. Kinnunen , A. Nikitenko , E. Richter-Was

We present precise predictions for the production of a Higgs boson in association with a hadronic jet and a $\mathrm{W}$ boson at hadron colliders. The behaviour of QCD corrections are studied for fiducial cross sections and distributions…

High Energy Physics - Phenomenology · Physics 2021-06-02 R. Gauld , A. Gehrmann-De Ridder , E. W. N. Glover , A. Huss , I. Majer

The weak boson fusion process for neutral Higgs boson production is investigated with particular attention to the accuracy with which the Higgs boson couplings to weak bosons can be determined in final states that contain a Higgs boson plus…

High Energy Physics - Phenomenology · Physics 2007-05-23 Edmond L. Berger

We investigate the determination of Higgs boson couplings to gauge bosons and fermions at the LHC from data on Higgs boson production and decay. We demonstrate that very mild theoretical assumptions, which are valid in general multi-Higgs…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. D"uhrssen , S. Heinemeyer , H. Logan , D. Rainwater , G. Weiglein , D. Zeppenfeld

The study of the Higgs boson properties is one of the most important tasks to be accomplished in the next years, at the Large Hadron Collider (LHC) and at future colliders such as the Future Circular Collider in hadron-hadron mode (FCC-hh),…

High Energy Physics - Phenomenology · Physics 2016-11-22 Julien Baglio

The production of Z bosons via Vector Boson Fusion at the LHC collider at 10 TeV centre-of-mass energy has been studied. The aim is to investigate the possibility to isolate a known Standard Model process to be used as reference for the…

High Energy Physics - Phenomenology · Physics 2010-01-26 Pietro Govoni , Chiara Mariotti

The gluon fusion component of Higgs-boson production in association with dijets is of particular interest because it both (a) allows for a study of the CP-structure of the Higgs-boson couplings to gluons, and (b) provides a background to…

High Energy Physics - Phenomenology · Physics 2018-01-22 Jeppe R. Andersen , Tuomas Hapola , Andreas Maier , Jennifer M. Smillie
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