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Related papers: Some results on the distinction of Higgs boson mod…

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We analyze the ratio of branching ratios R=BR(H->b b-bar)/BR(H->tau^+ tau^-) of Higgs boson decays as a discriminant quantity between supersymmetric and non-supersymmetric models. This ratio receives large renormalization-scheme independent…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jaume Guasch , Wolfgang Hollik , Siannah Penaranda

We present an experimental and theoretical analysis of the ratio of branching ratios R=BR(H^+ -> tau^+ nu)/BR(H^+ -> t b-bar) of charged Higgs boson decays as a discriminant quantity between supersymmetric and non-supersymmetric models.

High Energy Physics - Phenomenology · Physics 2007-05-23 K. A. Assamagan , J. Guasch , S. Moretti , S. Penaranda

We present results on the determination of the observable ratio R=BR(H^+ -> \tau \nu)/BR(H^+ -> t b-bar) of charged Higgs boson decay rates as a discriminant quantity between Supersymmetric and non-Supersymmetric models. Simulation of…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. A. Assamagan , J. Guasch , S. Moretti , S. Penaranda

It is still an open question whether the new scalar particle discovered at the LHC with a mass of 125 GeV is the SM Higgs boson or it belongs to models of new physics with an extended Higgs sector, as the MSSM or 2HDM. The ratio of…

High Energy Physics - Phenomenology · Physics 2016-06-22 E. Arganda , J. Guasch , W. Hollik , S. Penaranda

Higgs bosons can have a substantial ``invisible'' branching ratio in many extensions of the Standard Model, such as models where the Higgs bosons decay predominantly into light or massless weakly interacting Goldstone bosons. In this work,…

High Energy Physics - Phenomenology · Physics 2009-09-17 O. J. P. Eboli , M. C. Gonzalez-Garcia , A. Lopez-Fernandez , S. F. Novaes , J. W. F. Valle

The measurement of hadronic Higgs Boson branching ratios H -> bb, H -> gg for a light Standard Model-like Higgs boson produced at 250 GeV centre of mass energy at the International Linear Collider (ILC) is presented. The tools and…

High Energy Physics - Phenomenology · Physics 2010-03-08 Y. Banda , T. Lastovicka , A. Nomerotski

We study the prospects for distinguishing the CP-even Higgs boson of the minimal supersymmetric extension of the Standard Model (MSSM) from the Standard Model (SM) Higgs boson by measuring its branching ratios at an e+e- linear collider.…

High Energy Physics - Phenomenology · Physics 2009-10-31 Heather E. Logan

An accurate determination of the Higgs decay branching ratios to bb, cc, gg, WW* and tau tau pairs is important for the study of the Higgs couplings and for determining its SM or MSSM nature in the mass range 100 GeV/c2 < M_H < 140 GeV/c^2.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Battaglia

We present a study of the Higgs boson decay branching ratios to $b\bar{b}$, $c\bar{c}$ and gluons, one of the cornerstones of the physics program at the International Linear Collider (ILC). A standard model Higgs boson of 120\,GeV mass,…

High Energy Physics - Phenomenology · Physics 2014-11-21 Yambazi Banda , Tomas Lastovicka , Andrei Nomerotski

Precise measurement of the Higgs boson properties is an important issue of the International Linear Collider (ILC) experiment to verify the particles mass generation mechanism that the coupling strength between the Higgs boson and the…

High Energy Physics - Experiment · Physics 2010-07-21 Hiroaki Ono

We show that the branching ratio R_{b/tau}=BR(h^0->bb)/BR(h^0->tau tau) of the Higgs boson h^0 may usefully differentiate between the Higgs sectors of the Minimal Supersymmetric Standard Model (MSSM) and non-supersymmetric models such as…

High Energy Physics - Phenomenology · Physics 2009-10-31 K. S. Babu , Christopher Kolda

We examine whether the parameters in the Higgs sector of the minimal supersymmetric standard model can be determined by detailed study of production cross section and decay branching ratios of the Higgs particle. Assuming that the lightest…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Kamoshita , Y. Okada , M. Tanaka

We evaluate the prospects for measuring $BR(h\to\gamma\gamma)$ for a Standard-Model-like Higgs boson at the Next Linear $e^+e^-$ Collider in the $e^+e^-\to Z^*\to Z h$ and $e^+e^-\to\nu_e\anti\nu_e h$ production modes. Relative merits of…

High Energy Physics - Phenomenology · Physics 2009-01-23 J. F. Gunion , P. Martin

We present an analysis for the measurement of the Higgs boson branching ratio H-> cc-bar for a light Standard Model-like Higgs boson produced at 250 GeV centre of mass energy at the International Linear Collider (ILC). The tools and…

High Energy Physics - Phenomenology · Physics 2010-03-05 Y. Banda , T. Lastovicka , A. Nomerotski

A search for the Higgs boson in H->WW->ee and H->WW->mu+tau decays in ppbar collisions at a center-of-mass energy of sqrt(s)=1.96 TeV is presented. The data have been collected by the Run II DO detector. In order to maximize the sensitivity…

High Energy Physics - Experiment · Physics 2008-06-06 Bjoern Penning

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

We investigate the possibility to distinguish between the Standard Model Higgs boson and the lightest Higgs boson in Split Supersymmetry. We point out that the best way to distinguish between these two Higgs bosons is through the decay into…

High Energy Physics - Phenomenology · Physics 2008-11-26 Marco Aurelio Diaz , Pavel Fileviez Perez

We present a complete set of decay rates of the Higgs boson with the mass of 125 GeV at the full next-to-leading order in a variety of extended Higgs models; i.e., a model with an additional real singlet scalar field, four types of two…

High Energy Physics - Phenomenology · Physics 2020-01-08 Shinya Kanemura , Mariko Kikuchi , Kentarou Mawatari , Kodai Sakurai , Kei Yagyu

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

Precise measurement of the Higgs boson properties are important issues for the International Linear Collider (ILC) project to understand the particles mass generation mechanism which strongly related to the coupling with the Higgs boson.…

High Energy Physics - Experiment · Physics 2012-02-23 Hiroaki Ono , Akiya Miyamoto
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