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A study of two-Higgs-doublet models (2HDM) in the decoupling limit reveals the existence of parameter configurations with a large triple-Higgs self-coupling as the only low-energy trace of the departure from a Standard Model (SM) Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Moretti , S. Moretti , F. Piccinini , R. Pittau , A. D. Polosa

We investigate inclusive Standard Model Higgs boson pair production at lepton and hadron colliders for Higgs boson masses in the range 120 GeV < m_H < 200 GeV. For m_H < 140 GeV we find that hadron colliders have a very limited capability…

High Energy Physics - Phenomenology · Physics 2014-11-17 U. Baur , T. Plehn , D. Rainwater

Measurement of the self coupling of 125 GeV Higgs boson is one of the most crucial tasks for high luminosity run of the LHC and it can only be measured in the di-Higgs final state. In the minimal supersymmetric standard model, heavy CP even…

High Energy Physics - Phenomenology · Physics 2015-04-29 Biplob Bhattacherjee , Arghya Choudhury

The measurement of the triple Higgs coupling is a key benchmark for the LHC and future colliders. It directly probes the Higgs potential and its fundamental properties in connection to new physics beyond the Standard Model. There exist two…

High Energy Physics - Phenomenology · Physics 2018-10-25 Dorival Goncalves , Tao Han , Felix Kling , Tilman Plehn , Michihisa Takeuchi

A study of two-Higgs-doublet models (2HDM) in the decoupling limit reveals the existence of parameter configurations with a large triple-Higgs self-coupling as the only low-energy trace of a departure from a Standard Model (SM) Higgs…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. Moretti , S. Moretti , F. Piccinini , R. Pittau , A. D. Polosa

Despite the discovery of a Higgs boson h(125GeV) at the LHC Run-1, its self-interaction has fully evaded direct experimental probe so far. Such self-interaction is vital for electroweak symmetry breaking, vacuum stability and electroweak…

High Energy Physics - Phenomenology · Physics 2016-01-08 Hong-Jian He , Jing Ren , Weiming Yao

Pair production of Higgs boson at the Large Hadron Collider (LHC) is known to be important for the determination of Higgs boson self-coupling and the probe of new physics beyond the Standard Model (SM), especially the existence of new…

High Energy Physics - Phenomenology · Physics 2019-05-01 Chuan-Ren Chen , Yu-Xiang Lin , Van Que Tran , Tzu-Chiang Yuan

The trilinear self-coupling can be measured directly using the Higgs-boson-pair production cross section, or indirectly through the measurement of single-Higgs-boson production and decay modes. In fact, at next-to-leading order in…

High Energy Physics - Experiment · Physics 2020-10-13 Eleonora Rossi

We perform the most up-to-date comprehensive signal-background analysis for Higgs-pair production in $HH \to b\bar b \gamma\gamma$ channel at the HL-LHC and HL-100 TeV hadron collider, with the goal of probing the self-coupling…

High Energy Physics - Phenomenology · Physics 2019-11-13 Jung Chang , Kingman Cheung , Jae Sik Lee , Chih-Ting Lu , Jubin Park

In this work we explore the sensitivity to the Higgs self-coupling $\lambda$ in the production of two Higgs bosons via vector boson scattering at the LHC. Although these production channels, concretely $W^+W^- \to HH$ and $ ZZ \to HH$, have…

High Energy Physics - Phenomenology · Physics 2019-07-16 E. Arganda , C. Garcia-Garcia , M. J. Herrero

Now that the Higgs boson has been observed by the ATLAS and CMS experiments at the LHC, the next important step would be to measure accurately its properties to establish the details of the electroweak symmetry breaking mechanism. Among the…

High Energy Physics - Phenomenology · Physics 2013-07-19 J. Baglio , A. Djouadi , R. Grober , M. M. Muhlleitner , J. Quevillon , M. Spira

Same-sign charged Higgs pair production via vector-boson scattering is a useful probe of the mass spectrum among the heavier scalar, pseudoscalar, and charged Higgs bosons in two-Higgs-doublet models. It has been shown that the production…

High Energy Physics - Phenomenology · Physics 2020-12-30 Abdesslam Arhrib , Kingman Cheung , Chih-Ting Lu

The Higgs boson trilinear and quartic self-couplings are directly related to the shape of the Higgs potential; measuring them with precision is extremely important, as they provide invaluable information on the electroweak symmetry breaking…

High Energy Physics - Experiment · Physics 2022-03-24 Angela Taliercio , Paola Mastrapasqua , Claudio Caputo , Pietro Vischia , Nicola De Filippis , Pushpalatha Bhat

Inclusive Standard Model Higgs boson pair production at hadron colliders has the capability to determine the Higgs boson self-coupling, lambda. We present a detailed analysis of the gg\to HH\to (W^+W^-)(W^+W^-)\to…

High Energy Physics - Phenomenology · Physics 2014-11-17 U. Baur , T. Plehn , D. Rainwater

We consider the Higgs boson signals from pair production at the LHC within the framework of the MSSM in the non-decoupling (low-m_A) region. In light of the recent observation of a SM-like Higgs boson, we argue that the exploration for…

High Energy Physics - Phenomenology · Physics 2013-05-30 Neil D. Christensen , Tao Han , Tong Li

Measurements of the Higgs boson production and decay performed at the Large Hadron Collider by the ATLAS and CMS experiments are reviewed. These measurements are based on proton-proton collision data at $\sqrt{s}$=~13~TeV, corresponding to…

High Energy Physics - Experiment · Physics 2018-11-27 Guillaume Unal

A search is presented for the production of a pair of Higgs bosons, where one decays into two photons and the other one into a bottom quark-antiquark pair. The analysis is performed using proton-proton collision data at $\sqrt{s} =$ 13 TeV…

High Energy Physics - Experiment · Physics 2018-12-17 CMS Collaboration

The Higgs boson pair production process at hadron collider provides an opportunity for performing a study of the trilinear Higgs boson self-coupling. In this paper, we analyze the pair production of a neutral Higgs boson via both…

High Energy Physics - Phenomenology · Physics 2019-12-05 Jing-Jing Liu , Wen-Gan Ma , Gang Li , Ren-You Zhang , Hong-Sheng Hou

Inclusive Standard Model Higgs boson pair production and subsequent decay to same-sign dileptons via weak gauge W bosons at the CERN Large Hadron Collider has the capability to determine the Higgs boson self-coupling, lambda. The large top…

High Energy Physics - Phenomenology · Physics 2014-11-17 Uli Baur , Tilman Plehn , David Rainwater

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
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