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A numerical program for the evaluation of the inclusive cross section for associated Higgs production with a massive weak gauge boson at hadron colliders is described, sigma(pp/pbar p -> HV), V=W,Z. The calculation is performed in the…

High Energy Physics - Phenomenology · Physics 2012-12-20 Oliver Brein , Robert V. Harlander , Tom J. E. Zirke

Indirect constraints on the total Higgs width $\Gamma_h$ from correlating Higgs signal strengths with cross section measurements in the off-shell region for $p(g)p(g)\to 4\ell$ production have received considerable attention recently, and…

High Energy Physics - Phenomenology · Physics 2014-09-10 Christoph Englert , Michael Spannowsky

We review the theory of Higgs bosons, with emphasis on the Higgs scalars of the Standard Model and its non-supersymmetric and supersymmetric extensions. After surveying the expected knowledge of Higgs boson physics after the Tevatron and…

High Energy Physics - Phenomenology · Physics 2007-05-23 John F. Gunion , Howard E. Haber , Rick Van Kooten

We explore the potential of a future e^+ e^- collider in the 0.5 TeV center-of-mass energy range to detect intermediate or heavy Higgs bosons in the Standard Model. We first briefly assess the production cross sections and update the decay…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , Kingman Cheung , B. A. Kniehl , R. J. N. Phillips

A search for the Higgs boson decaying to $W^+W^-$ has been performed on $1.1\:$fb$^{-1}$ of pp collision data at $\sqrt{s}=7\:$TeV collected with the Compact Muon Solenoid (CMS) detector in 2011. No significant excess above Standard Model…

High Energy Physics - Experiment · Physics 2019-08-13 Kevin Sung

In the framework of the littlest Higgs($LH$) model, we study single production of the standard model($SM$) gauge boson $W_{s}^{-}$ and the heavy gauge boson $W_{H}^{-}$ via polarized $e^{-}\gamma$ collisions. We find that the corrections of…

High Energy Physics - Phenomenology · Physics 2009-11-11 Chong-Xing Yue , Feng Zhang , Li-Na Wang , Li Zhou

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 176.4 pb^-1. Higgs decays into a charm and a…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

Production of a single doubly charged Higgs boson $Delta^{--}$ in polarized $e^+e^-$ and $e^+\gamma$ collision modes of the linear collider have been investigated. The mass range of $Delta^{--}$ to be probed extends up to the collision…

High Energy Physics - Phenomenology · Physics 2011-07-19 G. Barenboim , K. Huitu , J. Maalampi , M. Raidal

This article presents searches for the $Z\gamma$ decay of the Higgs boson and for narrow high-mass resonances decaying to $Z\gamma$, exploiting $Z$ boson decays to pairs of electrons or muons. The data analysis uses 36.1 fb$^{-1}$ of $pp$…

High Energy Physics - Experiment · Physics 2017-10-31 ATLAS Collaboration

A strong candidate for the Standard Model Scalar boson, H(126), has been discovered by the Large Hadron Collider (LHC) experiments. In order to study this fundamental particle with unprecedented precision, and to perform precision tests of…

A future e+e- collider, such as the ILC or CLIC, would allow the Higgs sector to be probed with a precision significantly beyond that achievable at the High-Luminosity LHC. A central part of the Higgs programme at an e+e- collider is the…

High Energy Physics - Experiment · Physics 2016-03-23 Mark Thomson

Precise measurement of Higgs boson couplings is an important task for International Linear Collider (ILC) experiments and will facilitate the understanding of the particle mass generation mechanism. In this study, the measurement accuracies…

High Energy Physics - Experiment · Physics 2013-03-20 H. Ono , A. Miyamoto

A search is reported for a neutral Higgs boson in the decay channel H->Z gamma, Z->l+l- (l=e, mu), using 4.5 fb-1 of pp collisions at sqrt(s) = 7 TeV and 20.3 fb-1 of pp collisions at sqrt(s) = 8 TeV, recorded by the ATLAS detector at the…

High Energy Physics - Experiment · Physics 2014-08-21 ATLAS Collaboration

We have studied the production of a light Higgs boson with a mass of 120 GeV in photon-photon collisions at a Compton collider. The event generator for the backgrounds to a Higgs signal due to bbbar and ccbar heavy quark pair production in…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Jikia , S. Soldner-Rembold

Searches for the Higgs boson decays $H \to ee$ and $H \to e \mu$ are performed using data corresponding to an integrated luminosity of 139 fb$^{-1}$ collected with the ATLAS detector in $pp$ collisions at $\sqrt{s} = 13$ TeV at the LHC. No…

High Energy Physics - Experiment · Physics 2020-04-01 ATLAS Collaboration

We review some recent developments in Higgs physics at a $\gamma\gamma$ collider. We begin with single Higgs boson production in $\gamma\gamma$ collisions proceeding via the hadronic content of the photon. For SM Higgs masses of current…

High Energy Physics - Phenomenology · Physics 2017-08-23 Stephen Godfrey , Shouhua Zhu

To establish the Higgs mechanism experimentally, one has to determine the Higgs self-interaction potential responsible for the electroweak symmetry breaking. This requires a measurement of the trilinear and quadrilinear self-couplings of…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Belusevic , G. Jikia

A search for the Higgsstrahlung process ${\rm e}^+{\rm e}^- \to {\rm HZ}$ is carried out, covering decays of the Higgs boson into any quark pair, a gluon pair or a tau pair. The analysis is based on the $630 {\rm pb}^{-1}$ of data collected…

High Energy Physics - Experiment · Physics 2012-08-27 ALEPH Collaboration

As one of the key properties of the Higgs boson, the Higgs total width is sensitive to global profile of the Higgs boson couplings, and thus new physics would modify the Higgs width. We investigate the total width in various new physics…

High Energy Physics - Phenomenology · Physics 2023-01-25 Qing-Hong Cao , Hao-Lin Li , Ling-Xiao Xu , Jiang-Hao Yu

The inclusive Higgs boson production cross-section is measured in the di-photon and the $ZZ^* \to 4 \ell$ decay channels using 31.4 and 29.0 fb$^{-1}$ of $pp$ collision data respectively, collected with the ATLAS detector at a…

High Energy Physics - Experiment · Physics 2024-02-23 ATLAS Collaboration