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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) |
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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