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Related papers: Higgs Precision (Higgcision) Era begins

200 papers

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

The data accumulated so far confirm the Higgs-like nature of the new boson discovered at the LHC. The Standard Model Higgs hypothesis is compatible with the collider results and no significant deviations from the Standard Model have been…

High Energy Physics - Phenomenology · Physics 2013-12-30 Alejandro Celis , Victor Ilisie , Antonio Pich

ATLAS and CMS have discovered a Standard Model Higgs-like particle. One of the main discovery channels is the Higgs decay to two photons, which, at the moment, seems to be considerably enhanced over the Standard Model expectation. Models…

High Energy Physics - Phenomenology · Physics 2013-05-29 Christoph Englert , Emanuele Re , Michael Spannowsky

Since the discovery of the Higgs boson in 2012, significant progress has been made in measuring several properties related to the Higgs boson. The large dataset available now facilitates precise measurements of the Higgs boson mass, natural…

High Energy Physics - Experiment · Physics 2024-05-17 Spandan Mondal

Motivated by future collider proposals that aim to measure the Higgs properties precisely, we study the partial decay widths of the lightest Higgs boson in the minimal supersymmetric standard model with an emphasis on the parameter region…

High Energy Physics - Phenomenology · Physics 2015-06-11 Motoi Endo , Takeo Moroi , Mihoko M. Nojiri

We present an update of the Standard Model fit to electroweak precision data. We include newest experimental results on the top quark mass, the W mass and width, and the Higgs boson mass bounds from LEP, Tevatron and the LHC. We also…

High Energy Physics - Phenomenology · Physics 2022-07-25 M. Baak , M. Goebel , J. Haller , A. Hoecker , D. Kennedy , K. Moenig , M. Schott , J. Stelzer

An accurate determination of the Higgs decay branching ratios to bb, cc, gg, WW* and tau tau pairs is important for the study of the Higgs couplings and for determining its SM or MSSM nature in the mass range 100 GeV/c2 < M_H < 140 GeV/c^2.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Battaglia

In view of the discovery of a new boson by the ATLAS and CMS Collaborations at the LHC, we present an update of the global Standard Model (SM) fit to electroweak precision data. Assuming the new particle to be the SM Higgs boson, all…

High Energy Physics - Phenomenology · Physics 2013-06-05 M. Baak , M. Goebel , J. Haller , A. Hoecker , D. Kennedy , R. Kogler , K. Moenig , M. Schott , J. Stelzer

For an intermediate mass Higgs boson with SM-like couplings the LHC allows observation of a variety of decay channels in production by gluon fusion and weak boson fusion. Cross section ratios provide measurements of various ratios of Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Zeppenfeld , R. Kinnunen , A. Nikitenko , E. Richter-Was

A search is presented for the decay of the 125 GeV Higgs boson (H) to a pair of new light pseudoscalar bosons (a), followed by the prompt decay of each a boson to a bottom quark-antiquark pair, H $\to$ aa $\to$ $\mathrm{b\bar{b}b\bar{b}}$.…

High Energy Physics - Experiment · Physics 2024-06-21 CMS Collaboration

A brief overview of Higgs physics and of supersymmetry is given. The central theme of the overview is to explore the implications of the recent discovery of a Higgs like particle regarding the prospects for the discovery of supersymmetry…

High Energy Physics - Phenomenology · Physics 2015-06-11 Pran Nath

The next-to-minimal supersymmetric standard model (NMSSM) with an extended Higgs sector offers one of the Higgs boson as the Standard model (SM) like Higgs with a mass around 125 GeV along with other Higgs bosons with lighter and heavier…

High Energy Physics - Phenomenology · Physics 2017-04-10 Monoranjan Guchait , Jacky Kumar

We perform global fits of the Higgs boson couplings to the full Higgs datasets collected at the LHC with the integrated luminosities per experiment of approximately 5/fb at 7 TeV, 20/fb at 8 TeV, and up to 139/fb at 13 TeV. Our combined…

High Energy Physics - Phenomenology · Physics 2024-07-17 Yongtae Heo , Dong-Won Jung , Jae Sik Lee

A search is presented for a standard model-like Higgs boson decaying to muon pair or electron pair final states based on proton-proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated luminosities…

High Energy Physics - Experiment · Physics 2015-04-23 CMS Collaboration

This report reviews the properties of Higgs bosons in the Standard Model (SM) and its various extensions. We give an extensive overview about the potential of the ILC operated at centre-of-mass energies up to 1 TeV (including the gamma…

The study of the Higgs boson properties offers compelling perspectives for testing the effects of physics beyond the Standard Model and has deep implications for the LHC program and future colliders. Accurate determinations of the Higgs…

High Energy Physics - Phenomenology · Physics 2022-09-08 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi , M. Muhlleitner , M. Spira

The discovery of the Standard Model (SM) Higgs boson by ATLAS and CMS at the LHC in 2012 marked a major milestone in particle physics. However, many questions remain unanswered, which has led to an active research program to search for…

High Energy Physics - Experiment · Physics 2023-06-01 Jay Chan

We study the Higgs sector of the Next to Minimal Supersymmetric Standard Model (NMSSM) in light of the discovery of the SM-like Higgs boson at the LHC. We perform a broad scan over the NMSSM parameter space and identify the regions that are…

High Energy Physics - Phenomenology · Physics 2015-06-15 Neil D. Christensen , Tao Han , Zhen Liu , Shufang Su

We perform a multi-parameter global analysis of all data available till date from the ATLAS, CMS and Tevatron experiments, on the signals of a Higgs boson, to investigate how much scope exists for departure from the standard model…

High Energy Physics - Phenomenology · Physics 2012-10-12 Shankha Banerjee , Satyanarayan Mukhopadhyay , Biswarup Mukhopadhyaya

We investigate the possibilities of New Physics affecting the Standard Model (SM) Higgs sector. An effective Lagrangian with dimension-six operators is used to capture the effect of New Physics. We carry out a global Bayesian inference…

High Energy Physics - Phenomenology · Physics 2013-07-23 Beranger Dumont , Sylvain Fichet , Gero von Gersdorff