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Standard-Model-like scenarios in the 2HDM and Photon Collider potential | | Ilya F. Ginzburg
; Maria Krawczyk
; Per Osland
; | | Date: |
30 Dec 2000 | | Subject: | hep-ph | | Affiliation: | Novosibirsk), Maria Krawczyk (Warsaw), Per Osland (Bergen | | Abstract: | After operations at the LHC and e^+e^- Linear Colliders it may be found that a Standard-Model-like scenario is realized. In this scenario no new particle will be discovered, except a single Higgs boson having partial widths or coupling constants with fundamental particles, whose squares are close, within anticipated experimental uncertainty, to those of the SM. Experiments at a Photon Collider can resolve whether the SM or e.g. the Two-Higgs-Doublet Model is realized in Nature. For the SM-like realizations of the 2HDM (II) we study the loop couplings of the Higgs boson with gammagamma and Z gamma, and also with gluons. The deviation of the two-photon width from its SM value is generally higher than the expected inaccuracy in the measurement of Gamma_{gamma gamma} at a Photon Collider. The deviation is sensitive to the parameters of the Higgs self interaction. | | Source: | arXiv, hep-ph/0101331 | | Services: | Forum | Review | PDF | Favorites | |
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