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Related papers: Higgs Production in a Warped Extra Dimension

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A critical element of the LHC physics program is the search for an additional source of CP violation. This is largely unexplored in the context of non-linear Higgs physics, which is naturally described in Higgs Effective Field Theory…

High Energy Physics - Phenomenology · Physics 2024-07-23 Akanksha Bhardwaj , Christoph Englert , Dorival Gonçalves , Alberto Navarro

We perform a study of the charged Higgs production from an $SU(3)_{C}\otimes SU(3)_{L}\otimes U(1)_{X}$ model with right-handed neutrinos, postulating a custodial symmetry which reduces the number of free parameters in the scalar potential.…

High Energy Physics - Phenomenology · Physics 2015-03-19 A. Alves , E. Ramirez Barreto , A. G. Dias

We calculate differential cross sections for Higgs boson and/or two-photon production from intermediate (virtual) Higgs boson within the formalism of $k_t$-factorization. The off-shell $g^* g^* \to H$ matrix elements are used. We compare…

High Energy Physics - Phenomenology · Physics 2014-11-26 Antoni Szczurek , Marta Luszczak , Rafal Maciula

The hadroproduction of a Higgs boson in association with a bottom-quark pair ($H b \bar b$) is commonly considered as the key process for directly probing the Yukawa interaction between the Higgs boson and the bottom quark ($y_b$). However,…

High Energy Physics - Phenomenology · Physics 2020-11-19 Davide Pagani , Hua-Sheng Shao , Marco Zaro

Large Hadron Collider (LHC) searches for the SM Higgs boson provide a powerful limit on models involving Universal Extra Dimensions (UED) where the Higgs production is enhanced. We have evaluated all one-loop diagrams for Higgs production…

High Energy Physics - Phenomenology · Physics 2013-05-30 Genevieve Belanger , Alexander Belyaev , Matthew Brown , Mitsuru Kakizaki , Alexander Pukhov

The production of multiple Higgs bosons at the LHC and beyond is a strong test of the mechanism of electroweak symmetry breaking. Taking inspiration from recent experimental efforts to move towards limits on triple Higgs production at the…

High Energy Physics - Phenomenology · Physics 2024-05-10 Anisha , Daniel Domenech , Christoph Englert , Maria J. Herrero , Roberto A. Morales

In this piece of work, the nonstandard Higgs boson masses have been constrained by restrictions arising from Higgs diphoton decay width, stability, perturbativity, unitarity and electroweak T-parameter in the framework of the Higgs triplet…

High Energy Physics - Phenomenology · Physics 2017-02-20 Ambalika Biswas

The amplitude for scalar Higgs boson production in a fusion of two off-shell gluons is calculated including finite (not infinite) masses of quarks in the triangle loop. In comparison to the effective Lagrangian approach, we have found a new…

High Energy Physics - Phenomenology · Physics 2009-01-07 R. S. Pasechnik , O. V. Teryaev , A. Szczurek

The processes gg -> h and h -> gamma gamma are of paramount importance in the context of Higgs search at the LHC. These processes are loop driven and hence could be sensitive to the presence of any new colored fermion states having a large…

High Energy Physics - Phenomenology · Physics 2010-04-23 Gautam Bhattacharyya , Tirtha Sankar Ray

The recent up to 2fb^{-1} of data from the ATLAS and CMS experiments at the CERN Large Hadron Collider at 7TeV put an upper bound on the production cross section of a Higgs-like particle. We translate the results of the H -> WW -> l nu l nu…

High Energy Physics - Phenomenology · Physics 2015-05-30 Kenji Nishiwaki , Kin-ya Oda , Naoya Okuda , Ryoutaro Watanabe

In this paper, we examine the potential of Higgs boson production associated with a photon at the LHC to probe the new physics effects in the framework of the standard model effective field theory. It is shown that the differential…

High Energy Physics - Phenomenology · Physics 2017-09-21 Hamzeh Khanpour , Sara Khatibi , Mojtaba Mohammadi Najafabadi

To solve the hierarchy problem, extra-dimensional models must explain why the new dimensions stabilize to the right size, and the known mechanisms for doing so require bulk scalars that couple to the branes. Because of these couplings the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Ross Diener , C. P. Burgess

We consider the production of a Standard-Model (SM) Higgs boson in gluon fusion in hadronic collisions and compute the QCD corrections up to next-to-next-to-leading order (NNLO) and match them to parton showers (NNLO+PS). The complete…

High Energy Physics - Phenomenology · Physics 2024-10-22 Marco Niggetiedt , Marius Wiesemann

The current LHC results make weak scale supersymmetry difficult due to relatively heavy mass of the discovered Higgs boson and the null results of new particle searches. Geometrical supersymmetry breaking from extra dimensions,…

High Energy Physics - Phenomenology · Physics 2016-04-13 Kohsaku Tobioka , Ryuichiro Kitano , Hitoshi Murayama

Within the minimal supersymmetric extension of the Standard Model (MSSM) the associated production of neutral Higgs bosons with top and bottom quarks belongs to the most important Higgs-boson production processes at the LHC. At large values…

High Energy Physics - Phenomenology · Physics 2015-06-22 Stefan Dittmaier , Petra Häfliger , Michael Krämer , Michael Spira , Manuel Walser

We study the off-shell production of the Higgs boson at the LHC to probe Higgs physics at higher energy scales utilizing the process $g g \rightarrow h^{*} \rightarrow ZZ$. We focus on the energy scale dependence of the off-shell Higgs…

High Energy Physics - Phenomenology · Physics 2018-07-25 Dorival Goncalves , Tao Han , Satyanarayan Mukhopadhyay

We present the full one-loop calculation for $gg \to ZZ$ in the Minimal Supersymmetric Model (MSSM) including nonresonant contributions from the squark loop diagrams and provide analytical expressions for the helicity amplitudes. The…

High Energy Physics - Phenomenology · Physics 2011-01-27 M. S. Berger , Chung Kao

Higgs boson production in association with two tagging jets will be mediated by electroweak vector boson fusion and by gluon fusion processes at the CERN LHC. The characteristic distributions for the gluon fusion process are analyzed for…

High Energy Physics - Phenomenology · Physics 2010-10-27 G. Klamke , D. Zeppenfeld

Production of two Higgs bosons is studied in a CP violating supersymmetric scenario at the Large Hadron Collider with $E_{cm}=14$ TeV. There exists a region where a very light Higgs $\lesssim 50$ GeV could not be probed by LEP experiment.…

High Energy Physics - Phenomenology · Physics 2013-08-29 Priyotosh Bandyopadhyay , Katri Huitu

We analyze double Higgs boson production at the LHC in the context of Little Higgs models. In double Higgs production, the diagrams involved are directly related to those that cause the cancellation of the quadratic divergence of the Higgs…

High Energy Physics - Phenomenology · Physics 2015-06-25 Claudio O. Dib , Rogerio ROsenfeld , Alfonso Zerwekh