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Related papers: Six-fermion production and Higgs boson physics at …

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The class of six-fermion production processes at e+e- colliders comprises very interesting particle reactions, such as the production of top-quark pairs and of Higgs bosons in the intermediate Higgs mass range, the scattering of massive…

High Energy Physics - Phenomenology · Physics 2009-11-07 Stefan Dittmaier , Markus Roth

The production of an intermediate-mass Higgs boson in processes of the kind $e^+ e^- \to 6$ fermions at the energies of future linear colliders is studied. The recently developed and fully automatic algorithm/code ALPHA is used to compute…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini

The production of the Standard Model Higgs boson in the four-fermion reaction $e^+ e^- \to \mu^+ \mu^- b \bar b$ is studied. The complete tree-level matrix element, including signal and backgrounds in the standard electroweak theory, is…

High Energy Physics - Phenomenology · Physics 2016-09-01 G. Montagna , O. Nicrosini , F. Piccinini

Three studies on six-fermion production processes are presented, in which the production of an intermediate-mass Higgs boson, the top-quark physics and the analysis of possible anomalous quartic gauge couplings are considered. A Monte Carlo…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Gangemi , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini

A fully massive Monte Carlo program to compute all four-fermion processes in electron positron collisions, including Higgs boson production, is presented. Leading higher order effects are discussed and included.

High Energy Physics - Phenomenology · Physics 2009-10-31 F. A. Berends , C. G. Papadopoulos , R. Pittau

Boson boson scattering and Higgs production in boson boson fusion will be actively investigated at the LHC. We have performed a parton level study of all processes of the type $q_1 q_2 \to q_3 q_4 q_5 q_6 l^+l^-$ using for the first time a…

High Energy Physics - Phenomenology · Physics 2009-09-29 E. Accomando , A. Ballestrero , A. Belhouari , E. Maina

We introduce a new, fully massive, Monte Carlo program to compute all four-fermion processes in electron-positron collisions, including Higgs production. We outline our strategy for the matrix element evaluation, the phase space generation…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. A. Berends , C. G. Papadopoulos , R. Pittau

We study higgs physics at future $e^+e^-$ colliders taking into account the full set of Feynman diagrams for six fermion final states, which are produced for higgs masses near or above the two $W$'s threshold. In particular we examine…

High Energy Physics - Phenomenology · Physics 2009-10-31 Elena Accomando , Alessandro Ballestrero , Marco Pizzio

In this study, Higgs production processes, Higgsstrahlung and vector boson (W and Z) fusion processes, were investigated for four different future lepton colliders (CEPC, ILC, CLIC, and FCC-ee). The cross sections for each production…

High Energy Physics - Phenomenology · Physics 2023-02-01 Deniz Yilmaz , Mehmet Sahin , Dogukan Hazar Yavuz

LUSIFER is a Monte Carlo event generator for all processes e+e-->6fermions, which is based on the multi-channel Monte Carlo integration technique and employs the full set of tree-level diagrams. External fermions are taken to be massless,…

High Energy Physics - Phenomenology · Physics 2010-04-05 Stefan Dittmaier , Markus Roth

In view of the forthcoming experiments at high energy $e^+ e^-$ colliders, LEP2 and beyond, the process $e^+ e^- \to W^+ W^- \to 4f$ has been investigated for {\it off-shell} $W$'s. After deriving the matrix element for the process within…

High Energy Physics - Phenomenology · Physics 2009-10-28 G. Montagna , O. Nicrosini , G. Passarino , F. Piccinini

Following the HL-LHC era, proposed lepton colliders highlight the need to study various important Higgs boson production mechanisms to precisely probe the Standard Model Higgs sector. We propose a novel mechanism $e^\pm \gamma \rightarrow…

High Energy Physics - Phenomenology · Physics 2026-03-31 Pankaj Agrawal , Biswajit Das , Tousik Samui

We consider Higgs boson production through gluon--gluon fusion in hadron collisions. We present a numerical program that computes the cross section up to NNLO in QCD perturbation theory. The program includes the decay modes H->gamma-gamma,…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Catani , M. Grazzini

We present predictions for the inclusive cross section for Higgs boson production by gluon--gluon fusion in proton collisions at $\sqrt{s}=8$ TeV. Our calculation is accurate up to next-to-next-to-leading order in QCD perturbation theory…

High Energy Physics - Phenomenology · Physics 2015-06-05 D. de Florian , M. Grazzini

We study the double Higgs boson production processes $e^+e^- \to hh f\bar{f}$ ($f\neq t$) with $h$ being the 125 GeV Higgs boson in the two-Higgs-doublet model with a softly-broken $Z_2$ symmetry. The cross section can be significantly…

High Energy Physics - Phenomenology · Physics 2019-05-29 Tadashi Kon , Takuto Nagura , Takahiro Ueda , Kei Yagyu

We present results of QCD corrections to Higgs boson production at the CERN Large Hadron Collider. Potentially large logarithmic contributions from multiple soft-gluon emission are summed up to all order in the strong coupling. Various…

High Energy Physics - Phenomenology · Physics 2009-10-31 C. Balazs , C. -P. Yuan

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

We study Higgs boson production in association with a pair of electroweak vector bosons ($WW,ZZ,Z\gamma$) at future $\epem$ colliders in the framework of the Standard Model. Total cross sections and distributions for the intermediate-mass…

High Energy Physics - Phenomenology · Physics 2009-10-22 M. Baillargeon , F. Boudjema , F. Cuypers , E. Gabrielli , B. Mele

We consider Higgs boson production through gluon--gluon fusion in hadron collisions. We present a numerical program that computes the cross section up to NNLO in QCD perturbation theory. The program allows the user to apply arbitrary cuts…

High Energy Physics - Phenomenology · Physics 2008-06-23 M. Grazzini

The production of the Higgs boson in photon-photon interactions with proton and nucleus beams at three planned or proposed future CERN colliders --- the high-luminosity Large Hadron Collider (HL-LHC), the high-energy LHC (HE-LHC), and the…

High Energy Physics - Phenomenology · Physics 2020-03-04 David d'Enterria , Daniel E. Martins , Patricia Rebello Teles
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