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Potential of Photon Collider in resolving SM-like scenarios | | Ilya F. Ginzburg
; Maria Krawczyk
; Per Osland
; | | Date: |
20 Dec 2000 | | Journal: | Nucl.Instrum.Meth. A472 (2001) 149-154 | | 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 squared with fundamental particles close, within anticipated experimental uncertainty, to those of the SM. Experiments at a Photon Collider can resolve whether the SM model or e.g. the Two Higgs Doublet Model is realized in Nature. For the SM-like version 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 result is sensitive to the parameters of the Higgs self interaction. | | Source: | arXiv, hep-ph/0101229 | | Services: | Forum | Review | PDF | Favorites | |
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