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Implications of the precision data for very light Higgs Boson scenarios in 2HDM(II) (1999)

Chankowski, P.H. ; Krawczyk, M. ; Żochowski, J.

Springer

The European physical journal 11 (1999), S. 661-672

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ISSN: 1434-6052

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract. We present an up-to-date analysis of the constraints the precision data impose on the (CP-conserving) Two Higgs Doublet Model of type II with emphasis on the possible existence of very light neutral (pseudo)scalar Higgs boson with mass below 20–30 GeV. We show that even in the presence of such light particles, the 2HDM(II) can describe the electroweak data with the precision comparable to that given by the SM. Particularly interesting lower limits on the mass of the lighter neutral CP-even scalar $h^0$ are obtained in the scenario with light CP-odd Higgs boson $A^0$ and large $\tan\beta$ .

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100529900217

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