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The light Higgs window in the 2HDM at GigaZ | | Maria Krawczyk
; Jan Zochowski
; Peter Mattig
; | | Date: |
17 Sep 2000 | | Journal: | Eur.Phys.J. C19 (2001) 463-469 | | Subject: | hep-ph | | Affiliation: | Institute of Theoretical Physics, University of Warsaw, Poland), Jan Zochowski (Bialystok University, Poland) and Peter Mattig (Weizmann Institute, Rehovot, Israel | | Abstract: | The sensitivity to a light Higgs boson in the general 2HDM (II), with a mass below 40 GeV, is estimated for an future e+e- 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 -> b {ar b} h(A), -> tau {ar tau} h(A), and the decay Z ->h(A)+gamma. Although the discovery potential is considerably extended compared to the current sensitivities, mainly from LEP, the existence of a h or A even with a mass of a few GeV cannot be excluded with two billion Z decays. The need to study the very light Higgs scenario at a linear e+e- collider running at several hundred GeV and the LHC is emphasised. | | Source: | arXiv, hep-ph/0009201 | | Services: | Forum | Review | PDF | Favorites | |
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