Searches for Neutral Higgs Bosons in Extended Models

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dc.creatorThe DELPHI Collaboration
dc.creatorAbdallah, J.
dc.date2004-10-06
dc.date.accessioned2026-07-07T11:57:56Z
dc.date.available2026-07-07T11:57:56Z
dc.descriptionSearches for neutral Higgs bosons produced at LEP in association with Z bosons, in pairs and in the Yukawa process are presented in this paper. Higgs boson decays into b quarks, tau leptons, or other Higgs bosons are considered, giving rise to four-b, four-b+jets, six-b and four-tau final states, as well as mixed modes with b quarks and tau leptons. The whole mass domain kinematically accessible at LEP in these topologies is searched. The analysed data set covers both the LEP1 and LEP2 energy ranges and exploits most of the luminosity recorded by the DELPHI experiment. No convincing evidence for a signal is found, and results are presented in the form of mass-dependent upper bounds on coupling factors (in units of model-independent reference cross-sections) for all processes, allowing interpretation of the data in a large class of models.
dc.description48 pages, 16 figures, Accepted by Eur. Phys. J. C; a version with higher resolution figure 12 can be found at http://delphiwww.cern.ch/~pubxx/www/delsec/papers/public/paper0316.ps.gz
dc.identifierhttps://arxiv.org/abs/hep-ex/0410017
dc.identifierhttp://arxiv.org/abs/hep-ex/0410017
dc.identifierEur.Phys.J.C38:1-28,2004
dc.identifierdoi:10.1140/epjc/s2004-02011-4
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206058
dc.subjectHigh Energy Physics - Experiment
dc.titleSearches for Neutral Higgs Bosons in Extended Models
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