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Title: Search for neutral MSSM Higgs bosons at LEP

Journal Article · · European Physical Journal. C, Particles and Fields
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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.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
Contributing Organization:
The LEP Collaborations ALEPH, DELPHI, L3 and OPAL; The LEP Working Group for Higgs Boson Searches
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1511295
Journal Information:
European Physical Journal. C, Particles and Fields, Vol. 47, Issue 7; ISSN 1434-6044
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 602 works
Citation information provided by
Web of Science

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Figures / Tables (43)