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Related papers: Higgs Precision at a 125 GeV Muon Collider

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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

Measurements of Higgs boson production cross-sections are carried out in the diphoton decay channel using 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV collected by the ATLAS experiment at the LHC. The analysis is based on the…

High Energy Physics - Experiment · Physics 2023-09-19 ATLAS Collaboration

Methods for extracting Higgs boson signals at a 1 TeV center-of-mass energy e+e- linear collider are described. In addition, estimates are given for the accuracy with which branching fractions can be measured for Higgs boson decays to bb,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Timothy L. Barklow

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

The coupling of Higgs with gauge bosons can receive non-decoupling corrections due to heavy quanta. Deviation from the SM predictions are described by a set of parameters e_V, which can be related to the parameters S,T. The Higgs production…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Lorenzo Diaz-Cruz

We perform the most up-to-date comprehensive signal-background analysis for Higgs-pair production in $HH \to b\bar b \gamma\gamma$ channel at the HL-LHC and HL-100 TeV hadron collider, with the goal of probing the self-coupling…

High Energy Physics - Phenomenology · Physics 2019-11-13 Jung Chang , Kingman Cheung , Jae Sik Lee , Chih-Ting Lu , Jubin Park

Standard Model Higgs pair production at e^+e^- colliders has the capability to determine the Higgs boson self-coupling \lambda. I present a detailed analysis of the e^+e^- -> ZHH and e^+e^- -> \nu\bar\nu HH signal channels, and the relevant…

High Energy Physics - Phenomenology · Physics 2009-08-13 U. Baur

We study the associated production of a charged Higgs and a W boson in high-energy pp collisions at the Large Hadron Collider. This is an interesting process for charged Higgs discovery, or exclusion, since the production cross section…

High Energy Physics - Phenomenology · Physics 2012-04-25 R. Enberg , R. Pasechnik , O. Stål

Higgs couplings can be measured at a linear collider with high precision. We estimate the uncertainties of such measurements, including theoretical errors. Based on these results we show an extrapolation for a combined analysis at a linear…

High Energy Physics - Phenomenology · Physics 2015-06-12 Markus Klute , Remi Lafaye , Tilman Plehn , Michael Rauch , Dirk Zerwas

The interplay of prospective experimental information from both the Large Hadron Collider (LHC) and the Linear Collider (LC) in the investigation of the MSSM Higgs sector is analyzed in the SPS~1a and SPS 1b benchmark scenarios. Combining…

High Energy Physics - Phenomenology · Physics 2010-02-03 K. Desch , E. Gross , S. Heinemeyer , G. Weiglein , L. Zivkovic

Besides continued work on the parameters of a 3-4 and 0.5 TeV CoM collider, many studies are now concentrating on a machine near 100 GeV that could be a factory for the s-channel production of Higgs particles. We mention the research on the…

Accelerator Physics · Physics 2007-05-23 R. Palmer , A. Sessler , A. Tollestrup , J. Gallardo

In scenarios with sterile (right-handed) neutrinos that are subject to an approximate "lepton-number-like" symmetry, the heavy neutrinos (i.e. the mass eigenstates) can have masses around the electroweak scale and couple to the Higgs boson…

High Energy Physics - Phenomenology · Physics 2016-05-25 Stefan Antusch , Eros Cazzato , Oliver Fischer

Higgs precision program at future lepton collider aims at (sub) percent level precision measurement of the Higgs properties, shedding light to new physics through the Higgs lamppost. Amongst many exclusive Higgs channels that can be…

High Energy Physics - Phenomenology · Physics 2019-03-06 Yang Zhang

After the discovery of the Higgs boson at the LHC, it is natural to start the research program on the precision study of the Higgs-boson couplings to various standard model (SM) particles. We provide a generic framework for the deviations…

High Energy Physics - Phenomenology · Physics 2015-06-15 Kingman Cheung , Jae Sik Lee , Po-Yan Tseng

With the recent hints of the Higgs boson from the LHC and a mass near 125 GeV/c we re-propose to study and build a muon collider Higgs factory to study the Higgs in the S channel [1]. This was first proposed in 1992 by the first author. It…

Accelerator Physics · Physics 2012-05-01 D. Cline , X. Ding , J. Lederman

The Future Circular Collider (FCC-ee) offers the unique opportunity of studying the Higgs coupling to the electron, $y_e$, via resonant s-channel production, $e^+e^- \to H$, in a dedicated run at $\sqrt{s} = m_H$. The signature for direct…

High Energy Physics - Experiment · Physics 2022-02-08 David d'Enterria , Andres Poldaru , George Wojcik

Assuming a SM or MSSM scenario, one expects a light Higgs boson which could be studied in great detail with a LC operating at \sqrt s>m_h+m_Z. In the TESLA scenario, with 500 fb^-1 accumulated at \sqrt s = 350 GeV, about 10^5 hZ events…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Borisov , F. Richard

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

The future Compact Linear Collider (CLIC) offers a possibility for a rich precision physics programme, in particular in the Higgs sector through the energy staging. This is the first paper addressing the measurement of the Standard Model…

This contribution describes precision width measurements that could be done at a muon collider for very narrow resonances as the Higgs or a possible pseudogoldstone boson, or for almost degenerate resonances as the A0 and H0 in the MSSM for…

High Energy Physics - Phenomenology · Physics 2007-05-23 Roberto Casalbuoni