Status of 2hdm with a Light Higgs Particle
نویسنده
چکیده
Present data do not rule out the light neutral Higgs particle h or A with mass below 40–50 GeV in the framework of the general 2HDM (" Model II "). The status of this model in a light of existing LEP I data and a potential of the new muon experiment (g-2), the measurement of photon-gluon and gluon-gluon fusion at HERA as well as photon-photon fusion at low energy γγ NLC is discussed.
منابع مشابه
THE LIGHT HIGGS WINDOW IN THE 2HDM AT GigaZ
The sensitivity to a light Higgs boson in the general 2HDM (II), with a mass below 40 GeV, is estimated for an future ee linear collider operating with very high luminosity at the Z peak (GigaZ). We consider a possible Higgs boson production via the Bjorken process, the (hA) pair production, the Yukawa process Z → bb̄h(A),→ τ τ̄h(A), and the decay Z→h(A) + γ. Although the discovery potential is c...
متن کاملar X iv : h ep - p h / 96 07 26 8 v 1 9 J ul 1 99 6 IFT 15 / 96 hep - ph / 9607268 TWO HIGGS DOUBLET MODELS 1
Present data do not rule out the light neutral Higgs particle h or A in the framework of the general 2HDM. The discovery reach/exclusion limits of the Yukawa process Z → f f̄h/A, (f = b quark or τ lepton) at LEP I and of the gluon-gluon fusion at HERA is discussed. In addition the possible search for very light Higgs particle in γγ fusion at low energy NLC is described. Invited talk at the XXXIs...
متن کاملLight Neutral Higgs Bosons at the Low Energy γγ Collider
A light neutral Higgs boson in the framework of the general two Higgs doublet model (2HDM) is not excluded by existing data. We point out that it can be looked for at the proposed low energy γγ collider. Failure to detect one may lead to important limits on the parameters of the general 2HDM. [email protected] [email protected] Supported in part by grants from Polish Committee for Scientif...
متن کاملTesting 2HDM at Muon Colliders
One very light neutral Higgs scalar with mass, say, below 40-50 GeV is still allowed in the non-supersymmetric 2HDM (Model II), while the remaining particles of the Higgs sector in this model have to be heavier. The possibility of testing such a scenario at Muon Colliders is discussed.
متن کاملOn the origin of approximate custodial symmetry in the Two-Higgs Doublet Model
We argue that the consistent implementation of the multiple point principle (MPP) in the general non-supersymmetric two Higgs doublet model (2HDM) can lead to a set of approximate global custodial symmetries that ensure CP conservation in the Higgs sector and the absence of flavour changing neutral currents (FCNC) in the considered model. In particular the existence of a large set of degenerate...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1996