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Related papers: Composite Higgs Search at the LHC

200 papers

New physics coupled to the Higgs boson may hide it in the standard decay channels to be investigated at LHC. We consider the models where new invisible dominant decay modes of the Higgs boson are responsible for this hiding. We propose to…

High Energy Physics - Phenomenology · Physics 2011-08-31 E. E. Boos , S. V. Demidov , D. S. Gorbunov

A search for the Standard Model Higgs boson has been performed in the H \rightarrow WW \rightarrow l{\nu}jj channel in 1.04 fb-1 of pp collisions at \surds = 7 TeV collected with the ATLAS detector at the Large Hadron Collider. No…

High Energy Physics - Experiment · Physics 2019-08-13 Mark S. Neubauer

Properties of the Higgs boson with mass near 125 GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels include gamma gamma,…

High Energy Physics - Experiment · Physics 2015-06-16 CMS Collaboration

The quest for the Higgs boson of the Standard Model, which was a cornerstone in the physics programme at particle colliders operating at the energy frontier for several decades, is the subject of this review. After reviewing the formulation…

High Energy Physics - Phenomenology · Physics 2015-06-12 S. Dittmaier , M. Schumacher

Despite dark matter abundance, its nature remains elusive. Many searches of dark matter particles are carried out using different technologies either via direct detection, indirect detection, or collider searches. In this work, the…

High Energy Physics - Experiment · Physics 2022-07-25 Mohamed Zaazoua , Farida Fassi , Kétévi Adiklè Assamagan , Diallo Boye

We present a search for the Standard Model Higgs boson produced in association with a W boson in $p\bar{p}$ collisions at a center-of-mass energy of $\sqrt{s} = 1.96$ TeV. The search is performed in the $WH\to \ell\nu b\bar{b}$ channel…

High Energy Physics - Experiment · Physics 2009-10-20 Darren D. Price

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 most salient generic feature of a composite Higgs boson resides in the nonlinearity of its dynamics, which arises from degenerate vacua associated with the pseudo-Nambu-Goldstone (PNGB) nature of the Higgs boson. It has been shown that…

High Energy Physics - Phenomenology · Physics 2019-10-16 Da Liu , Ian Low , Roberto Vega-Morales

Many extensions of the standard electroweak model Higgs sector suggest that the main Higgs decay channel is "invisible", for example, $h \to J J$ where $J$ denotes the majoron, a weakly interacting pseudoscalar Goldstone boson associated to…

High Energy Physics - Phenomenology · Physics 2009-09-25 F. De Campos , M. A. Garcia-JareÑO , Anjan S. Joshipura , J. Rosiek , J. W. F. Valle , D. P. Roy

A first search is reported for a standard model Higgs boson (H) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8 inverse femtobarns and 18.3…

High Energy Physics - Experiment · Physics 2015-09-07 CMS Collaboration

Leptonic decays of the Higgs boson in the ZZ* channel yield what is known as the golden channel due to its clean signature and good total invariant mass resolution. In addition, the full kinematic distribution of the decay products can be…

High Energy Physics - Phenomenology · Physics 2015-05-30 James S. Gainer , Kunal Kumar , Ian Low , Roberto Vega-Morales

We derive the most general sets of viable mass spectra of the exotic Higgs bosons in the Georgi-Machacek model that are consistent with the theoretical constraints of vacuum stability and perturbative unitarity and the experimental…

High Energy Physics - Phenomenology · Physics 2016-02-17 Cheng-Wei Chiang , An-Li Kuo , Toshifumi Yamada

We combine results from the CDF and D0 Collaborations on direct searches for the standard model (SM) Higgs boson (H) in ppbar collisions at the Fermilab Tevatron at sqrt(s)=1.96 TeV. Compared to the previous Tevatron Higgs boson search…

High Energy Physics - Experiment · Physics 2012-08-27 The CDF Collaboration , the D0 Collaboration , the Tevatron New Physics , Higgs Working Group

We study the implications of the LHC Higgs signals on the Higgs mixing in the next-to-minimal supersymmetric standard model (NMSSM). The Higgs couplings can depart from their values in the standard model (SM) due to mixing effects. However…

High Energy Physics - Phenomenology · Physics 2015-06-12 Kiwoon Choi , Sang Hui Im , Kwang Sik Jeong , Masahiro Yamaguchi

The possibility of searching for the Higgs boson in channels with multiple non-resonant leptons is evaluated in light of recent advances in multi-lepton search techniques at the LHC. The total multi-lepton Higgs signal exceeds the four…

High Energy Physics - Phenomenology · Physics 2015-06-03 Emmanuel Contreras-Campana , Nathaniel Craig , Richard Gray , Can Kilic , Michael Park , Sunil Somalwar , Scott Thomas

In this article, we recast and combine the CMS and ATLAS analyses of the Standard Model Higgs boson decaying to a pair of $W$ bosons in order to search for low-mass resonances in this channel. We provide limits on the corresponding cross…

High Energy Physics - Phenomenology · Physics 2023-08-10 Guglielmo Coloretti , Andreas Crivellin , Srimoy Bhattacharya , Bruce Mellado

To ascertain the new boson with mass near 125 {GeV} observed recently by ATLAS and CMS Collaborations to be the Standard Model Higgs, and to determine its intrinsic properties, more measurements on its various decay channels are still…

High Energy Physics - Phenomenology · Physics 2015-06-12 Long-Bin Chen , Cong-Feng Qiao , Rui-Lin Zhu

A search for the Standard Model Higgs boson in proton-proton collisions at a center-of-mass energy of 7 TeV is presented in the decay channel H-->ZZ-->2l2n. The search is conducted by the CMS experiment with data accumulated during the 2010…

High Energy Physics - Experiment · Physics 2019-08-13 Daniele Trocino

We present an extension of the MSSM where the dominant decay channel of the Higgs boson is a cascade decay into a four-gluon final state. In this model the Higgs is a pseudo-Goldstone boson of a broken global symmetry SU(3)-> SU(2). Both…

High Energy Physics - Phenomenology · Physics 2009-11-06 Brando Bellazzini , Csaba Csaki , Adam Falkowski , Andreas Weiler

We demonstrate that an LHC Higgs search in weak boson fusion production with subsequent decay to weak boson pairs is robust against extensions of the Standard Model or MSSM involving a large number of Higgs doublets. We also show that the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Alves , O. Eboli , T. Plehn , D. Rainwater