Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2246
Title: CERN LEP indications for two light Higgs bosons and the U(1)' model
Authors: Demir, Durmuş Ali
Solmaz, Levent
Solmaz, Saime
Keywords: Supersymmetric models
Extensions of electroweak gauge sector
Higgs field
Symmetry (Physics)
Issue Date: Jan-2006
Publisher: American Physical Society
Source: Demir, D. A., Solmaz, L., and Solmaz, S. (2006). CERN LEP indications for two light Higgs bosons and the U(1)′ model. Physical Review D - Particles, Fields, Gravitation and Cosmology, 73(1). doi:10.1103/PhysRevD.73.016001
Abstract: Reanalyses of LEP data have shown preference to two light CP-even Higgs bosons. We discuss implications of such a Higgs boson spectrum for the minimal supersymmetric model extended by a standard model singlet chiral superfield and an additional Abelian gauge invariance [the U(1)′ model]. We, in particular, determine parameter regions that lead to two light CP-even Higgs bosons while satisfying existing bounds on the mass and mixings of the extra vector boson. In these parameter regions, the pseudoscalar Higgs is found to be nearly degenerate in mass with either the lightest or next-to-lightest Higgs boson. Certain parameters of the U(1)′ model such as the effective μ parameter are found to be significantly bounded by the LEP two light Higgs signal.
URI: http://doi.org/10.1103/PhysRevD.73.016001
http://hdl.handle.net/11147/2246
ISSN: 1550-7998
1550-7998
1550-2368
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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