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A search for a Higgs boson decaying into a Z boson and a photon is described. The analysis is performed using proton-proton collision datasets recorded by the CMS detector at the LHC. Events were collected at center-of-mass energies of 7…

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

We demonstrate that, at a 500 GeV e+e- collider, inclusion of the $ZZ$-fusion process for production of a light standard-model-like Higgs boson can substantially increase the precision with which the $ZZh$ coupling can be determined (using…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. F. Gunion , T. Han , R. Sobey

We analyze the prospects for detecting the three neutral Higgs bosons of the Minimal Supersymmetric extension of the Standard Model in the intense-coupling regime at e+e- colliders. Due to the small mass differences between the Higgs states…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. Boos , V. Bunichev , A. Djouadi , H. J. Schreiber

Triple Higgs boson production (3H) may provide essential information to reconstruct the Higgs potential. We consider 3H-production in the International Linear Collider (ILC) both in the Minimal Supersymmetric Standard Model (MSSM) and in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Giancarlo Ferrera , Jaume Guasch , David Lopez-Val , Joan Sola

We consider the ratio of cross sections of double-to-single Higgs boson production at the Large Hadron Collider at 14 TeV. Since both processes possess similar higher-order corrections, leading to a cancellation of uncertainties in the…

High Energy Physics - Phenomenology · Physics 2013-11-20 Florian Goertz , Andreas Papaefstathiou , Li Lin Yang , José Zurita

Measurements of the inclusive and differential fiducial cross sections of the Higgs boson are presented, using the $\tau$ lepton decay channel. The differential cross sections are measured as functions of the Higgs boson transverse…

High Energy Physics - Experiment · Physics 2022-02-28 CMS Collaboration

We present a search for the Higgs boson in the process $q\bar{q} \to ZH \to \ell^+\ell^- b\bar{b}$. The analysis uses an integrated luminosity of 1 fb$^{-1}$ of $p\bar{p}$ collisions produced at $\sqrt{s} =$ 1.96 TeV and accumulated by the…

High Energy Physics - Experiment · Physics 2010-05-12 CDF Collaboration , T. Aaltonen

The plan for the International Linear Collider (ILC) is now being prepared as a staged design, with the first stage of 2 ${\rm ab^{-1}}$ at 250GeV and later stages achieving the full project specifications with 4 ${\rm ab^{-1}}$ at 500 GeV.…

High Energy Physics - Experiment · Physics 2021-06-18 Tomohisa Ogawa

We present the most precise value for the Higgs boson cross-section in the gluon-fusion production mode at the LHC. Our result is based on a perturbative expansion through N$^3$LO in QCD, in an effective theory where the top-quark is…

Higgs boson production cross-sections via gluon-gluon fusion and vector-boson fusion in proton-proton collisions are measured in the $H\rightarrow WW^\ast \rightarrow \ell\nu\ell\nu$ decay channel. The Large Hadron Collider delivered…

High Energy Physics - Experiment · Physics 2025-12-12 ATLAS Collaboration

Production of the Standard Model Higgs-boson at the Photon Collider at TESLA is studied for the Higgs-boson masses above 150 GeV. Simulation of signal and background processes takes into account realistic luminosity spectra and detector…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. Niezurawski , A. F. Zarnecki , M. Krawczyk

An important task at future colliders is the investigation of the Higgs-boson sector. Here the measurement of the triple Higgs coupling(s) plays a special role. Based on previous analyses, within the framework of Two Higgs Doublet Models…

High Energy Physics - Phenomenology · Physics 2021-10-22 F. Arco , S. Heinemeyer , M. J. Herrero

An improved measurement of the mass of the Higgs boson is derived from a combined fit to the invariant mass spectra of the decay channels $H\rightarrow \gamma\gamma$ and $H \rightarrow ZZ^{*} \rightarrow 4\ell$. The analysis uses the $pp$…

High Energy Physics - Experiment · Physics 2014-09-22 ATLAS Collaboration

A search for a Higgs boson in the decay channel ${\rm H} \rightarrow {\rm ZZ}^{(*)}$ with each Z boson decaying to an electron or muon pair is presented using pp collisions from the LHC at $\sqrt s$ = 7 TeV. The data analyzed correspond to…

High Energy Physics - Experiment · Physics 2019-08-14 Mario Pelliccioni

We summarize the possible processes which may be used to search for a Higgs boson, of mass in the range 114-130 GeV, at the LHC. We discuss, in detail, two processes with rapidity gaps: exclusive Higgs production with tagged outgoing…

High Energy Physics - Phenomenology · Physics 2011-09-13 A. De Roeck , V. A. Khoze , A. D. Martin , R. Orava , M. G. Ryskin

For the preparation of the experimental search for charged Higgs bosons at the LHC detailed studies have been made to determine the expected charged Higgs boson production cross-sections and decay branching ratios at sqrts = 14 TeV. In the…

High Energy Physics - Phenomenology · Physics 2009-07-10 Andre Sopczak

We examine the prospects for measuring the $H Z \gamma$ coupling of a Standard Model-like Higgs boson with a mass between 120 and 160 GeV at the future TESLA linear \ee collider, assuming an integrated luminosity of 1 ab$^{-1}$ and a…

High Energy Physics - Phenomenology · Physics 2011-09-13 M. Dubinin , H. J. Schreiber , A. Vologdin

We consider the possibility of detecting a heavy Higgs boson ($m_H>2m_Z$) in proposed $\gamma\gamma$ colliders through the semi-leptonic mode $\gamma\gamma \rightarrow H \rightarrow ZZ \rightarrow q\bar q \ell^+\ell^-$. We show that due to…

High Energy Physics - Phenomenology · Physics 2009-10-22 David Bowser-Chao , Kingman Cheung

A comprehensive set of studies has been conducted to measure the fiducial differential cross sections of Higgs boson production by the ATLAS and CMS experiments. These analyses are based on proton-proton collision data collected by both…

High Energy Physics - Experiment · Physics 2024-07-08 Abdollah Mohammadi

Assuming an integrated luminosity of 500 fb$^{-1}$ and a center-of-mass energy of 350 GeV, we examine the prospects for measuring branching fractions of a Standard Model-like Higgs boson with a mass of 160 GeV at the future linear \ee…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Boos , V. Ilyin , A. Pukhov , M. Sachwitz , H. J. Schreiber