English
Related papers

Related papers: Higgs boson decay rate into gluons in a 5 dimensio…

200 papers

We study chargino pair production on the heavy Higgs resonances at a muon collider in the MSSM. At $\sqrt{s} \approx 350$ GeV cross sections up to 2 pb are reached depending on the supersymmetric scenario and the beam energy spread. The…

High Energy Physics - Phenomenology · Physics 2011-09-13 H. Fraas , F. Franke , G. Moortgat-Pick , F. von der Pahlen , A. Wagner

The Higgs boson decay into a pair of real or virtual W bosons, with one of them decaying leptonically, is predicted within the Standard Model to have the largest branching fraction of all Higgs decays that involve an isolated electron or…

High Energy Physics - Phenomenology · Physics 2010-05-12 Bogdan A. Dobrescu , Joseph D. Lykken

A search for the resonant production of high mass photon pairs associated with a leptonic or hadronic system has been performed using a data sample of 57.7 pb-1 collected at an average center-of-mass energy of 182.6 GeV with the OPAL…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , K. Ackerstaff et al

Results are presented from a search for the Higgs boson decay H $\to$ Z$\gamma$, where Z $\to$ $\ell^+\ell^-$ with $\ell$ = e or $\mu$. The search is performed using a sample of proton-proton (pp) collision data at a center-of-mass energy…

High Energy Physics - Experiment · Physics 2023-06-05 CMS Collaboration

We investigate the potential for measuring the relative couplings of a low-mass Higgs boson at the Large Hadron Collider using WH, ZH, and ttbarH production, where the Higgs boson decays to tau-lepton pairs. With 100/fb of sqrt(s) = 14 TeV…

High Energy Physics - Phenomenology · Physics 2013-05-30 Christopher Boddy , Sinead Farrington , Christopher Hays

We consider Standard Model Higgs boson production through gluon--gluon fusion in hadron collisions. We combine the calculation of the next-to-next-to-leading order QCD corrections to the inclusive cross section with the resummation of…

High Energy Physics - Phenomenology · Physics 2015-06-04 D. de Florian , G. Ferrera , M. Grazzini , D. Tommasini

A search is reported for a light pseudoscalar Higgs boson decaying to a pair of tau leptons, produced in association with a b b-bar pair, in the context of two-Higgs-doublet models. The results are based on pp collision data at a…

High Energy Physics - Experiment · Physics 2016-05-23 CMS Collaboration

The production of single and paired lepton bound states in the decay of the Higgs boson has been studied. We explore different decay mechanisms that contribute significantly to the decay width. The decay widths are calculated taking into…

High Energy Physics - Phenomenology · Physics 2025-12-16 F. A. Martynenko , A. P. Martynenko , A. V. Eskin

We analyze the prospects of reconstructing the mass of a heavy charged Higgs boson %have been analyzed in the context of a Type X two-Higgs doublet model where a light pseudoscalar $A$ in the mass range $40-60$ GeV is phenomenologically…

High Energy Physics - Phenomenology · Physics 2018-10-17 Eung Jin Chun , Siddharth Dwivedi , Tanmoy Mondal , Biswarup Mukhopadhyaya , Santosh Kumar Rai

We investigate the muonic decay of a light Higgs boson, produced in weak boson fusion at future hadron colliders. We find that this decay mode would be observable at the CERN LHC only with an unreasonably large amount of data, while at a…

High Energy Physics - Phenomenology · Physics 2014-11-17 T. Plehn , D. Rainwater

Neutral Higgs boson radiative decays of the form h_0, H, A \to f\bar{f}\gamma, in the light fermion limit $m_f->0, are calculated in the two Higgs doublet model at one-loop level. Comparisons with the calculation within the standard model…

High Energy Physics - Phenomenology · Physics 2016-08-25 Chong-Sheng Li , Shou-Hua Zhu , Cong-Feng Qiao

We study the change in the di-photon invariant mass distribution for Higgs boson decays to two photons, due to interference between the Higgs resonance in gluon fusion and the continuum background amplitude for gluon pair to photon pair.…

High Energy Physics - Phenomenology · Physics 2013-09-18 Lance J. Dixon , Ye Li

A measurement of the mass of the Higgs boson in the diphoton decay channel is presented. This analysis is based on 35.9 fb$^{-1}$ of proton-proton collision data collected during the 2016 LHC running period, with the CMS detector at a…

High Energy Physics - Experiment · Physics 2020-04-22 CMS Collaboration

Loop-induced decay of a neutral Higgs boson into a pair of gluons or photons has great implications for the Higgs discovery at the LHC. If the Higgs boson is heavy with mass above $\sim 500\gev$, however, these radiative branching ratios…

High Energy Physics - Phenomenology · Physics 2012-03-13 Sanghyeon Chang , Kang Young Lee , Jeonghyeon Song

In extended Higgs models, the Higgs boson may decay into a pair of light CP-odd scalars, with distinctive collider signatures. We study the ensuing Higgs signals at the upgraded Tevatron, considering the subsequent decays of the scalars…

High Energy Physics - Phenomenology · Physics 2008-11-26 Bogdan A. Dobrescu , Greg Landsberg , Konstantin T. Matchev

The brief discussion of the studies of the radiative QCD corrections to the decay widths and branching ratios of the Standard Model Higgs boson with the mass 2 m_b < M_H < 2 M_W is given. The numerical results are obtained with the help of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrei L. Kataev , Victor T. Kim

We search for the decay Y(1S) -> gamma A0, A0 -> gg or ss-bar, where A0 is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric standard model. We use a sample of (17.6 +- 0.3)x 10^6 Y(1S) mesons produced in…

High Energy Physics - Experiment · Physics 2013-08-09 The BABAR Collaboration , J. P. Lees , others

A search is presented for pairs of light pseudoscalar bosons, in the mass range from 4 to 15 GeV, produced from decays of the 125 GeV Higgs boson. The decay modes considered are final states that arise when one of the pseudoscalars decays…

High Energy Physics - Experiment · Physics 2019-12-06 CMS Collaboration

Warped extra-dimension models in which the Higgs boson is allowed to propagate in the bulk of a compact AdS$_5$ space are conjectured to be dual to models featuring a partially composite Higgs boson. They offer a framework with which to…

High Energy Physics - Phenomenology · Physics 2015-01-16 Paul R. Archer , Marcela Carena , Adrian Carmona , Matthias Neubert

Motivated by future collider proposals that aim to measure the Higgs properties precisely, we study the partial decay widths of the lightest Higgs boson in the minimal supersymmetric standard model with an emphasis on the parameter region…

High Energy Physics - Phenomenology · Physics 2015-06-11 Motoi Endo , Takeo Moroi , Mihoko M. Nojiri