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We study the prospects for observing exotic decays of the Standard Model Higgs boson $h$ into light beyond the Standard Model scalars $a$ with mass $m_{a} \lesssim m_{h}/2$ in the single Higgs and Higgs pair production channels at the high…

Higgs boson production in association with two forward jets and a central photon at the CERN Large Hadron Collider is analyzed, for the Higgs boson decaying into a b bbar pair in the m_H <= 140 GeV mass region. We study both irreducible and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Emidio Gabrielli , Fabio Maltoni , Barbara Mele , Mauro Moretti , Fulvio Piccinini , Roberto Pittau

The search for charged Higgs bosons, which are predicted in supersymmetric theories, is difficult at hadron colliders if the mass is large. In this paper we present the theoretical set-up for the production of charged Higgs boson pairs at…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. Krause , T. Plehn , M. Spira , P. M. Zerwas

The quartic Higgs-gauge-boson coupling $g_{hhWW}$ is sensitive to the electroweak symmetry breaking mechanism, however, it is challenging to be measured at the large hadron collider. We show that the coupling can be well probed at future…

High Energy Physics - Phenomenology · Physics 2023-12-13 Qing-Hong Cao , Kun Cheng , Yandong Liu , Xiao-Rui Wang

We studied single Higgs boson production in $\gamma\gamma$ collisions proceeding via the hadronic content of the photon. For SM Higgs masses of current theoretical interest, the resolved photon contributions are non-negligible in precision…

High Energy Physics - Phenomenology · Physics 2009-11-10 Stephen Godfrey , Shou-Hua Zhu , M. A. Doncheski

We study the phenomenology of associated production of a vector boson with a pair of Higgs bosons ($VHH$) at the High-Luminosity LHC. Despite the low rate of this channel, the scaling of the cross section suggests a measurement could be a…

High Energy Physics - Phenomenology · Physics 2018-07-05 Karl Nordström , Andreas Papaefstathiou

In the NMSSM it is well possible to find an additional Higgs boson with a mass below 125 GeV which remains invisible in standard Higgs boson search channels. We study the Higgs pair production cross sections times branching fractions in…

High Energy Physics - Phenomenology · Physics 2015-06-16 Ulrich Ellwanger

The charged Higgs boson plays an essential role in distinguishing between a wide variety of standard model extensions with multiple Higgs doublets, and has been searched for in various collider experiments. This paper expands our previous…

High Energy Physics - Phenomenology · Physics 2023-09-12 ChunHao Fu , Jun Gao

The Higgs mechanism is essential for the success of the Standard Model (SM) and can be experimentally verified with the determination of the Higgs self-coupling. As the simplest model of a Higgs potential, the SM provides a clear prediction…

High Energy Physics - Experiment · Physics 2026-03-23 Mikael Berggren , Bryan Bliewert , Jenny List , Dimitris Ntounis , Taikan Suehara , Junping Tian , Julie Munch Torndal , Caterina Vernieri

Combined measurements of the production and decay rates of the Higgs boson, as well as its couplings to vector bosons and fermions, are presented. The analysis uses the LHC proton-proton collision data set recorded with the CMS detector in…

High Energy Physics - Experiment · Physics 2019-05-21 CMS Collaboration

The associated production of a Higgs boson and a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. The Higgs boson decay into a $b$-quark pair is used. The analysed data, corresponding to…

High Energy Physics - Experiment · Physics 2022-07-14 ATLAS Collaboration

We discuss the production and two-photon decay of the lightest Higgs boson (h) of the minimal supersymmetric standard model at the CERN Large Hadron Collider. Since the observability of the signal is quite model dependent, we conduct a…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. L. Kane , Graham D. Kribs , Stephen P. Martin , James D. Wells

The coupling properties of the Higgs boson are studied in the four-lepton decay channel using 36.1 fb$^{-1}$ of $pp$ collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are…

High Energy Physics - Experiment · Physics 2018-05-22 ATLAS Collaboration

In the context of the little Higgs models, we discuss single production of the new charged gauge bosons in association with top quark at the $CERN$ Large Hadron Collider$(LHC)$. We find that the new charged gauge bosons $W_{H}^{-}$ and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chong-Xing Yue , Shuo Yang , Li-Hong Wang

Much of the discussion regarding future measurements of the Higgs boson mass and self-coupling is focussed on how well various collider options can do. In this article we ask a physics-based question of how well do we need colliders to…

High Energy Physics - Phenomenology · Physics 2013-10-30 Rick S. Gupta , Heidi Rzehak , James D. Wells

We analyze the potentiality of the CERN Large Hadron Collider to probe the Higgs boson couplings to the electroweak gauge bosons. We parametrize the possible deviations of these couplings due to new physics in a model independent way, using…

High Energy Physics - Phenomenology · Physics 2014-11-17 O. J. P. Eboli , M. C. Gonzalez-Garcia , S. M . Lietti , S. F. Novaes

The Higgs boson pair production at a linear $e^+e^-$ collider is analyzed in the $4\tau$ final state in the context of lepton-specific or type IV 2HDMs. Both beams are assumed to be unpolarized. The Higgs boson pairs (HA) are produced…

High Energy Physics - Phenomenology · Physics 2018-12-12 Majid Hashemi

In light of the recent LHC Higgs search data, we investigate the pair production of a SM-like Higgs boson around 125 GeV in the MSSM and NMSSM. We first scan the parameter space of each model by considering various experimental constraints,…

High Energy Physics - Phenomenology · Physics 2015-06-12 Junjie Cao , Zhaoxia Heng , Liangliang Shang , Peihua Wan , Jin Min Yang

The LHC may be currently seeing the first hints of the Higgs boson. The dominant production mode for the Higgs at the LHC involves a top-quark loop. An accurate measurement of Higgs production cross-sections and decay widths can thus be…

High Energy Physics - Phenomenology · Physics 2012-11-28 Debajyoti Choudhury , Pratishruti Saha

Searching for Higgs bosons beyond the Standard Model (BSM) is one of the most important missions for hadron colliders. As a landmark of BSM physics, the MSSM Higgs sector at the LHC is expected to be tested up to the scale of the decoupling…

High Energy Physics - Phenomenology · Physics 2016-01-20 Jan Hajer , Ying-Ying Li , Tao Liu , John F. H. Shiu