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Related papers: Measurement of Higgs Branching Ratio at ILC

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In this paper we address the potential of a 3 TeV center-of-mass energy Compact Linear Collider (CLIC) to measure the Standard Model (SM) Higgs boson decay to two photons. Since photons are massless, they are not coupled to the Higgs boson…

A linear e+e- collider provides excellent possibilities for precision measurements of the properties of the Higgs boson. At energies close to the Z-Higgs threshold, the Higgs boson can be studied in recoil against a Z boson, to obtain not…

High Energy Physics - Experiment · Physics 2012-12-03 Frank Simon

We examine the prospects for measuring the \gaga branching fraction of a Standard Model-like Higgs boson with a mass of 120 GeV at the future TESLA linear \ee collider, assuming an integrated luminosity of 1 ab$^{-1}$ and center-of-mass…

High Energy Physics - Phenomenology · Physics 2009-01-07 E. Boos , J. -C. Brient , D. W. Reid , H. J. Schreiber , R. Shanidze

The imperfect knowledge of the Higgs boson decay rates and cross sections at the LHC constitutes a critical systematic uncertainty in the study of the Higgs boson properties. We show that the full covariance matrix between the Higgs rates…

High Energy Physics - Phenomenology · Physics 2016-12-21 Alexandre Arbey , Sylvain Fichet , Farvah Mahmoudi , Grégory Moreau

The potential for the measurement of the branching ratio of the Standard Model-like Higgs boson decay into a mu+mu- pair at 1.4 TeV CLIC is analysed. The study is performed using the fully simulated CLIC_ILD detector concept, taking into…

High Energy Physics - Experiment · Physics 2014-12-19 G. Milutinović-Dumbelović , I. Božović-Jelisavčić , C. Grefe , S. Lukić , M. Pandurović , P. Roloff

In this paper we address the potential of a 3 TeV centre-of-mass energy Compact Linear Collider (CLIC) to measure the branching fraction of the Higgs boson decay to two photons, BR($H\rightarrow\gamma\gamma$). Since photons are massless,…

The Higgs boson branching ratio into vector bosons is sensitive to the decay widths of those vector bosons because they are produced with at least one boson significantly off-shell. Gamma(H to V V ) is approximately proportional to the…

High Energy Physics - Phenomenology · Physics 2016-05-10 William Murray

We consider the ratio between the double and single Higgs production cross sections and examine the prospect of measuring the trilinear Higgs self-coupling using this observable. Such a ratio has a reduced theoretical (scale) uncertainty…

High Energy Physics - Phenomenology · Physics 2013-09-17 Florian Goertz , Andreas Papaefstathiou , Li Lin Yang , José Zurita

This proceeding summarizes the Higgs recoil mass and Higgs-strahlung cross-section study done for the Letter of Intent (LOI) of the International Large Detector (ILD) Concept. Assuming a Higgs mass of 120 GeV, working at 250 GeV center of…

High Energy Physics - Experiment · Physics 2010-07-20 Hengne Li

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

We carried out a feasibility study on the measurement of the branching ratio of H -> cc_bar at a future e+e- linear collider. We used the topological vertex reconstructing algorithm for accumulating secondary vertex information and the…

High Energy Physics - Experiment · Physics 2009-07-09 G. B. Yu , J. S. Kang , A. Miyamoto , H. Park

Measurement of the Higgs coupling to W-bosons is an important test of our understanding of the electroweak symmetry breaking mechanism. We study the sensitivity of the International Linear Collider (ILC) to the presence of anomalous HW+W-…

High Energy Physics - Phenomenology · Physics 2015-03-17 Yosuke Takubo , Robert N. Hodgkinson , Katsumasa Ikematsu , Keisuke Fujii , Nobuchika Okada , Hitoshi Yamamoto

The Higgs sector of particle physics is still largely uncovered, where establishing the Higgs mechanism is central to advance the field. The Higgs self-coupling is the key ingredient missing and an important puzzle piece for potentially…

High Energy Physics - Phenomenology · Physics 2023-08-01 Julie Munch Torndal , Jenny List

New theoretical and experimental information motivates a re-examination of the Standard Model Higgs production rates at the LHC pp collider. We present calculations of the relevant cross sections and branching ratios, including recently…

High Energy Physics - Phenomenology · Physics 2008-02-03 Z. Kunszt , S. Moretti , W. J. Stirling

Precision measurements of SM Higgs recoil mass and cross-section are performed with the Higgs-Strahlung process ee -> Zh, with Z -> mumu and Z -> ee at 230 GeV and 250 GeV center of mass energies, presuming Mh=120GeV, assuming the…

High Energy Physics - Experiment · Physics 2009-09-30 Hengne Li , Francois Richard , Roman Poeschl , Zhiqing Zhang

We report on the accuracy of the measurement of the Higgs boson mass and the total cross section of the process e+e- -> ZH that would be achieved in a linear collider operating at a centre-of-mass energy of 350 GeV, assuming an integrated…

High Energy Physics - Experiment · Physics 2008-11-26 Pablo Garcia-Abia , Wolfgang Lohmann

The high-precision measurement of Higgs boson properties is one of the primary goals of the Circular Electron Positron Collider (CEPC). The measurements of $H\to b\bar{b}/c\bar{c}/gg$ decay branching fraction in the CEPC experiment is…

High Energy Physics - Experiment · Physics 2019-12-02 Yu Bai , Chunhui Chen , Yuquan Fang , Gang Li , Manqi Ruan , Jingyuan Shi , Bo Wang , Panyu Kong , Boyang Lan , Zhanfeng Liu

In the event that the Higgs mass is large or that the electroweak interactions are strongly interacting at high energy, top quark couplings to longitudinal components of the weak gauge bosons could offer important clues to the underlying…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stephen Godfrey , Shou-hua Zhu

In this paper, the statistical potential of the measurement of Higgs to $WW^{*}$ decay at the International Linear Collider (ILC) is presented. The Higgs boson with a mass of 125 GeV is produced through the Higgsstrahlung production…

High Energy Physics - Experiment · Physics 2025-11-04 M. Pandurović

We examine the prospects for measuring the photon-photon branching ratio of a Standard-Model-like Higgs boson ($h$) at the Next Linear $e^+e^-$ Collider when the Higgs boson is produced via $W^+W^-$--fusion: $e^+e^-\to\nu_e \bar\nu_e h$. In…

High Energy Physics - Phenomenology · Physics 2011-04-15 J. F. Gunion , P. C. Martin