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Related papers: Precision Higgs physics at a $\gamma \gamma$ colli…

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We perform comparative studies for four types of the two Higgs Doublet Models (2HDMs) under the precision measurements of the Standard Model (SM) Higgs observables at the proposed Higgs factories. We explore the discovery potential based on…

High Energy Physics - Phenomenology · Physics 2021-02-03 Tao Han , Shuailong Li , Shufang Su , Wei Su , Yongcheng Wu

We present the efficient technique to extract the signal of the intermediate mass Higgs boson from the backgrounds at future $\gamma \gamma$ colliders. For a clear Higgs detection, it is important to fit the original electron accelerator…

High Energy Physics - Phenomenology · Physics 2007-05-23 Isamu Watanabe

We study the one-loop prediction for the single production of a SM-like Higgs boson in association with a photon in electron-positron collisions in the context of the two Higgs doublet type-II seesaw model ($2HDMcT$). We explore to what…

High Energy Physics - Phenomenology · Physics 2024-08-27 B. Ait Ouazghour , M. Chabab , K. Goure

We describe recent results from CMS and TOTEM on hard diffraction, diffractive jets and jet gap jet events. We also give the first sensitivities and limits on quartic anomalous couplings and axion-like particles at high mass using the LHC…

High Energy Physics - Experiment · Physics 2023-01-23 C. Royon

A measurement is presented of differential cross sections for the Higgs boson (H) production in pp collisions at sqrt(s) = 8 TeV. The analysis exploits the H to gamma gamma decay in data corresponding to an integrated luminosity of 19.7…

High Energy Physics - Experiment · Physics 2016-01-18 CMS Collaboration

The potential of a linear e+e- collider operated at a centre-of-mass energy of 350 GeV is studied for the measurement of the Higgs boson mass. An integrated luminosity of 500 fb-1 is assumed. For Higgs boson masses of 120, 150 and 180 GeV…

High Energy Physics - Experiment · Physics 2015-06-25 P. Garcia-Abia , W. Lohmann , A. Raspereza

A search is described for a Higgs boson decaying into two photons, one of which has an internal conversion to a muon or an electron pair (ll gamma). The analysis is performed using proton-proton collision data recorded with the CMS detector…

High Energy Physics - Experiment · Physics 2016-01-08 CMS Collaboration

We present a simple new way to visualize the constraints of Higgs coupling measurements on light stops in natural SUSY scenarios beyond the MSSM, which works directly in the plane of stop mass eigenvalues (with no need to make assumptions…

High Energy Physics - Phenomenology · Physics 2015-06-18 JiJi Fan , Matthew Reece

The feasibility of measuring the Higgs-boson properties at the Photon Collider at TESLA has been studied in detail for masses between 200 and 350 GeV, using realistic luminosity spectra and detector simulation. We consider the Two Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Niezurawski , A. F. Zarnecki , M. Krawczyk

We summarize the predictions of different models for total $\gamma \gamma$ cross-sections. The experimentaly observed rise of $\sigma_{\gamma \gamma}$ with $\sqrt{s_{\gamma \gamma}}$, faster than that for $\sigma_{\bar p p}$,…

High Energy Physics - Phenomenology · Physics 2009-11-07 Rohini M. Godbole , G. Pancheri

We derive the Lagrangian and Feynman rules up to bilinear scalar fields for the mixed Higgs-radion eigenstates interacting with Standard Model particles confined to a 3-brane in Randall-Sundrum warped geometry. We use the results to compute…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. F. Gunion , M. Toharia , J. Wells

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

The prospects for a precise exploration of the properties of a single or many observed Higgs bosons at future accelerators are summarized, with particular emphasis on the abilities of a Linear Collider (LC). Some implications of these…

High Energy Physics - Phenomenology · Physics 2019-08-14 J. Conway , K. Desch , J. F. Gunion , S. Mrenna , D. Zeppenfeld

Many beyond the Standard Model (BSM) scenarios involve Higgs couplings to additional electroweak fields. It is well established that these new fields may modify Higgs gamma-gamma and gamma-Z decays at one-loop. However, one unexplored…

High Energy Physics - Phenomenology · Physics 2015-06-15 Christoph Englert , Matthew McCullough

The CMS collaboration has recently produced results of a number of searches for new physics processes using data collected during the 2011 run of the Large Hadron Collider. Up to 5 inverse femtobarns of proton-proton collisions at 7 TeV…

High Energy Physics - Experiment · Physics 2019-08-13 Tommaso Dorigo

In the Minimal Supersymmetric Standard Model heavy superparticles introduce large logarithms in the calculation of the lightest $\mathcal{CP}$-even Higgs boson mass. These logarithmic contributions can be resummed using effective field…

High Energy Physics - Phenomenology · Physics 2018-05-23 Henning Bahl , Wolfgang Hollik

The charged Higgs pair production via photon-photon collisions is investigated in the framework of two Higgs doublet model (2HDM), taking into account a full set of one-loop-level scattering amplitudes, i.e., including electroweak (EW)…

High Energy Physics - Phenomenology · Physics 2020-11-18 Mehmet Demirci

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

The detection and the measurement of the production cross section of a light Higgs boson at the CERN Large Hadron Collider demand the accurate prediction of the background distributions of photon pairs. To improve this theoretical…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Balazs , P. Nadolsky , C. Schmidt , C. -P. Yuan

The most reliable prediction for the Higgs-boson mass, M_H, is obtained in a fit to the leptonic Z-resonance observables Gamma_l and swbar^2 combined with the W-boson mass, M_W, and top-quark mass, m_t, measurements. The corresponding…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dittmaier , D. Schildknecht
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