Title
Search for neutral MSSM Higgs bosons at LEPSearch for neutral MSSM Higgs bosons at LEP
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Berlin,
Subject
Physics
Source (journal)
European physical journal : C : particles and fields. - Berlin
European physical journal : C : particles and fields. - Berlin
Volume/pages
47(2006):3, p. 547-587
ISSN
1434-6044
ISI
000241559900001
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric standard model (MSSM). The data of the four collaborations are statistically combined and examined for their consistency with the background hypothesis and with a possible Higgs boson signal. The combined LEP data show no significant excess of events which would indicate the production of Higgs bosons. The search results are used to set upper bounds on the cross-sections of various Higgs-like event topologies. The results are interpreted within the MSSM in a number of benchmark models, including CP-conserving and CP-violating scenarios. These interpretations lead in all cases to large exclusions in the MSSM parameter space. Absolute limits are set on the parameter cosβ and, in some scenarios, on the masses of neutral Higgs bosons.
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