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A combined measurement of differential and inclusive total cross sections of Higgs boson production is performed using 36.1 fb$^{-1}$ of 13 TeV proton-proton collision data produced by the LHC and recorded by the ATLAS detector in 2015 and…

High Energy Physics - Experiment · Physics 2018-10-02 ATLAS Collaboration

We investigate Higgs-boson pair production at the LHC when the final state system arises from decays of vector-like quarks coupling to the Higgs boson and the Standard Model quarks. Our phenomenological study includes next-to-leading-order…

High Energy Physics - Phenomenology · Physics 2017-07-06 Giacomo Cacciapaglia , Haiying Cai , Alexandra Carvalho , Aldo Deandrea , Thomas Flacke , Benjamin Fuks , Devdatta Majumder , Hua-Sheng Shao

We study multi-Higgs final states in vector boson fusion (VBF) processes at the LHC and at future proton-proton colliders, focusing on the prospects for measurements at 27 TeV and at 100 TeV. We use an effective Lagrangian which includes…

High Energy Physics - Phenomenology · Physics 2020-04-22 Wolfgang Kilian , Sichun Sun , Qi-Shu Yan , Xiaoran Zhao , Zhijie Zhao

The first computation of Higgs production in association with three jets at NLO in QCD has recently been performed using the effective theory, where the top quark is treated as an infinitely heavy particle and integrated out. This approach…

High Energy Physics - Phenomenology · Physics 2017-03-08 Nicolas Greiner , Stefan Hoeche , Gionata Luisoni , Marek Schonherr , Jan-Christopher Winter

A search is performed for WH production with a light Higgs boson decaying to hidden-sector particles resulting in clusters of collimated electrons, known as electron-jets. The search is performed with 2.04 fb-1 of data collected in 2011…

High Energy Physics - Experiment · Physics 2013-06-11 ATLAS Collaboration

A search for neutral Higgs bosons produced in association with b-quark(s) and decaying into a pair of b-quarks is performed with the CMS detector at LHC. The Higgs boson signal is expected to emerge as an excess in the mass spectrum of two…

High Energy Physics - Experiment · Physics 2013-01-30 Igor Marfin

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

In light of the recent discovery of an approximately 126 GeV Higgs boson at the LHC, the particle physics community is beginning to explore the possibilities for a next-generation Higgs factory particle accelerator. In this report we study…

High Energy Physics - Experiment · Physics 2013-04-22 Alexander Conway , Hans Wenzel

A search for the production of a W boson and a Higgs boson through vector boson scattering (VBS) is presented, using CMS data from proton-proton collisions at $\sqrt{s}$ = 13 TeV collected from 2016 to 2018. The integrated luminosity of the…

High Energy Physics - Experiment · Physics 2025-02-05 CMS Collaboration

From the LHC runs we know that, with increasing collider energy, weak-boson-fusion Higgs production dominates as an environment for precision measurements. We show how a future hadron collider performs for three challenging benchmark…

High Energy Physics - Phenomenology · Physics 2017-05-24 Dorival Goncalves , Tilman Plehn , Jennifer M. Thompson

A search for Higgs boson pair production $pp \to hh$ is performed with 19.5 fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=$ 8 TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay products…

High Energy Physics - Experiment · Physics 2015-09-21 ATLAS Collaboration

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 Higgs boson pair production via gluon-gluon fusion and vector boson fusion in the $b\bar{b}\mu^+\mu^-$ final state at the LHC is studied to probe the Higgs self-coupling $\kappa_\lambda$ and the four-boson HHVV coupling…

High Energy Physics - Phenomenology · Physics 2023-03-08 Botao Guo , Xiaohu Sun , Licheng Zhang , Zhe Li , Yong Ban

The strategies recently developed to study Higgs boson properties at the LHC are reviewed. It is shown how to obtain model-independent determinations of couplings to fermions and gauge bosons by exploiting different production and decay…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Piccinini , A. D. Polosa

A search for non-resonant Higgs boson pair production, as predicted by the Standard Model, is presented, where one of the Higgs bosons decays via the $H\rightarrow bb$ channel and the other via one of the $H \rightarrow WW^*/ZZ^*/\tau\tau$…

High Energy Physics - Experiment · Physics 2020-02-07 ATLAS Collaboration

Higgs boson production by the gluon fusion and its decay into two photons at the LHC are investigated in the context of the gauge-Higgs unification scenario. The qualitative behaviors for these processes in the gauge-Higgs unification are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nobuhito Maru , Nobuchika Okada

The detection of a single Higgs boson at the Large Hadron Collider (LHC) has allowed one to probe some properties of it, including the Yukawa and gauge couplings. However, in order to probe the Higgs potential, one has to rely on new…

High Energy Physics - Phenomenology · Physics 2023-07-18 Marco A. Arroyo-Ureña , Amit Chakraborty , J. Lorenzo Díaz-Cruz , Dilip Kumar Ghosh , Najimuddin Khan , Stefano Moretti

Results are presented on searches for standard model and non-standard model production of a Higgs boson in pbar-p collisions at sqrt{s}= 1.96 TeV with the CDF II detector at the Fermilab Tevatron. Using data corresponding to 2-3.6 1/fb of…

High Energy Physics - Experiment · Physics 2012-08-27 Robert Craig Group

The LHC discovery of a light Higgs particle $h^0$ (125GeV) opens up new prospect for searching heavier Higgs boson(s) at the LHC Run-2, which will unambiguously point to new physics beyond the standard model (SM). We study the detection of…

High Energy Physics - Phenomenology · Physics 2016-03-23 Lan-Chun Lü , Chun Du , Yaquan Fang , Hong-Jian He , Huijun Zhang

A search for the Standard Model Higgs boson produced in association with a pair of top quarks, $t\bar{t}H$, is presented. The analysis uses 20.3 fb$^{-1}$ of pp collision data at $\sqrt{s}$ = 8 TeV, collected with the ATLAS detector at the…

High Energy Physics - Experiment · Physics 2015-08-11 ATLAS Collaboration
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