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Searches for invisibly decaying Higgs bosons with the DELPHI detector at LEP | | The DELPHI Collaboration
; J. Abdallah
; et al
; | | Date: |
16 Dec 2003 | | Journal: | Eur.Phys.J. C32 (2004) 475-492 | | Subject: | hep-ex | | Abstract: | Searches for HZ production with the Higgs boson decaying into an invisible final state were performed using the data collected by the DELPHI experiment at centre-of-mass energies between 188 GeV and 209 GeV. Both hadronic and leptonic final states of the Z boson were analysed. In addition to the search for a heavy Higgs boson, a dedicated search for a light Higgs boson down to 40 GeV/c^2 was performed. No signal was found. Assuming the Standard Model HZ production cross-section, the mass limit for invisibly decaying Higgs bosons is 112.1 GeV/c^2 at 95% confidence level. An interpretation in the Minimal Supersymmetric extension of the Standard Model (MSSM) and in a Majoron model is also given. | | Source: | arXiv, hep-ex/0401022 | | Services: | Forum | Review | PDF | Favorites | |
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