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The LHC search for the charged Higgs boson in the intermediate-mass range ($M_{H^\pm} \sim m_t$) is actively being performed after the next-to-leading order calculation of the total production cross section of $p p \to H^\pm W^\mp b…

High Energy Physics - Phenomenology · Physics 2019-09-11 Jeonghyeon Song , Yeo Woong Yoon

A search for a heavy Higgs boson in the H to WW and H to ZZ decay channels is reported. The search is based upon proton-proton collision data samples corresponding to an integrated luminosity of up to 5.1 inverse femtobarns at sqrt(s) = 7…

High Energy Physics - Experiment · Physics 2016-11-11 CMS Collaboration

Many models of physics beyond the Standard Model yield exotic Higgs decays. Some of these, particularly those in which the Higgs decays to light quarks or gluons, can be very difficult to discover experimentally. Here we introduce a new set…

High Energy Physics - Phenomenology · Physics 2013-05-29 Adam Falkowski , David Krohn , Jessie Shelton , Arun Thalapillil , Lian-Tao Wang

Recent results on MSSM Higgs physics at the LHC are reviewed. The dependence of the LHC discovery reach in the b\bar b H/A, H/A \to \tau^+\tau^- channel on the underlying SUSY scenario is analysed. This is done by combining the latest…

High Energy Physics - Phenomenology · Physics 2007-09-28 Georg Weiglein

The search for heavy Higgs bosons at the LHC represents an intense experimental program, carried out by the ATLAS and CMS collaborations, which includes the hunt for invisible Higgs decays and dark matter candidates. No significant…

High Energy Physics - Phenomenology · Physics 2018-03-08 Ernesto Arganda , J. Lorenzo Díaz-Cruz , Nicolás Mileo , Roberto A. Morales , Alejandro Szynkman

The production of a neutral, CP even Higgs via weak boson fusion and decay H -> tau tau at the LHC is studied for the Standard Model and MSSM, utilizing a parton level Monte Carlo analysis. This channel allows a 5 sigma observation of a…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Rainwater

Searches for Beyond the Standard Model Higgs processes in the context of Minimal Supersymmetric Standard Model and Next to MSSM are presented. The results are based on the first LHC run of pp collision data recorded by the ATLAS and CMS…

High Energy Physics - Experiment · Physics 2016-03-01 M. P. Casado

The Standard Model is by far the most encompassing physics theory. With the recent discovery of the Higgs Boson, the Standard Model has performed extremely well against experimental data. However, the theory is intrinsically not complete,…

High Energy Physics - Phenomenology · Physics 2017-10-03 Wei Tang

Motivated by the latest LHC Higgs data, we calculate the new physics contributions to the Higgs decay channels of $h\to \gamma\gamma, Z\gamma, \tau\tau, WW^*$ and $ ZZ^*$ in the left-right twin Higgs (LRTH) model, induced by the loops…

High Energy Physics - Phenomenology · Physics 2015-06-17 Yao-Bei Liu , Shan Cheng , Zhen-Jun Xiao

A search for the standard model Higgs boson is performed in a data sample corresponding to an integrated luminosity of 1.1 fb$^{-1}$, recorded by the CMS detector in proton-proton collisions at the LHC with a 7 TeV center-of-mass energy.…

High Energy Physics - Experiment · Physics 2015-06-03 Michele De Gruttola

Assuming that the Yukawa couplings between the Higgs and exotic quarks cannot be ignored, we analyze the signals of decay channels $h\rightarrow\gamma\gamma$ and $h\rightarrow VV^*\;(V=Z,\;W)$ with the Higgs mass around $125\;{\rm GeV}$ in…

High Energy Physics - Phenomenology · Physics 2015-06-15 Tai-Fu Feng , Shu-Min Zhao , Hai-Bin Zhang , Yin-Jie Zhang , Yu-Li Yan

Detection of a signal in one of the standard LHC Higgs search channels does not guarantee that the particle discovered is the Standard Model (SM) Higgs. In this talk I survey some general classes of alternatives and ways to tell them apart.

High Energy Physics - Phenomenology · Physics 2011-10-17 Heather E. Logan

The CMS and ATLAS collaborations have performed detailed studies of the discovery potential for the Higgs boson in MSSM. Different benchmarks scenarios have been studied both for the CP-conserving case and for the CP-violating one. Results…

High Energy Physics - Experiment · Physics 2007-10-11 Dorian Kcira

A search for the rare decays $W^{+}\rightarrow{D^{+}_{s}\gamma}$ and $Z\rightarrow{D^{0}\gamma}$ is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an…

High Energy Physics - Experiment · Physics 2023-09-14 LHCb collaboration

A measurement of the mass of the Higgs boson combining the $H\to ZZ^{*} \to 4\ell$ and $H\to\gamma\gamma$ decay channels is presented. The result is based on 140 fb$^{-1}$ of proton-proton collision data collected by the ATLAS detector…

High Energy Physics - Experiment · Physics 2024-01-23 The ATLAS Collaboration

The inclusive search for the Standard Model Higgs boson in four-lepton final states with the ATLAS and CMS detectors at the LHC pp collider is presented. The discussion focusses on the H-> ZZ^(*)->4l+X decay mode for a Higgs boson in the…

High Energy Physics - Experiment · Physics 2007-05-23 Evelyne Delmeire

The recent results reported by the CMS collaboration, indicating "bumps" in the $\gamma\gamma$ and $\tau\tau$ channels at $m_\phi\approx 95$ GeV, provide interesting hints for new physics. We find that the lightest Higgs state of the…

High Energy Physics - Phenomenology · Physics 2024-02-07 A. Belyaev , R. Benbrik , M. Boukidi , M. Chakraborti , S. Moretti , S. Semlali

Searches for the standard model Higgs boson are reviewed from the 2 TeV run of the Tevatron with ~ 10 fb-1 of recorded data, and from the 7 and 8 TeV runs of the LHC, with ~ 5 and ~ 6 fb-1, respectively, i.e., until the July-2012 discovery…

High Energy Physics - Experiment · Physics 2014-06-11 Gregorio Bernardi , Matthew Herndon

At $\sqrt{s} = 7$ TeV, the standard model needs at least $10\, (fb)^{-1}$ integrated luminosity at LHC to make a definitive discovery of the Higgs boson. Using binary tetrahedral ($T^{'}$) discrete flavor symmetry, we discuss how the decay…

High Energy Physics - Phenomenology · Physics 2010-12-24 Paul H. Frampton , Chiu Man Ho , Thomas W. Kephart , Shinya Matsuzaki

A Higgs boson lighter than 2 m_W that decays mostly into invisible channels (e.g., dark matter particles) is theoretically well-motivated. We study the prospects for discovery of such an invisible Higgs, h_inv, at the LHC and the Tevatron…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hooman Davoudiasl , Tao Han , Heather E. Logan