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Searches for Higgs Bosons at LEP2

The latest results of Higgs boson searches from the four LEP experiments, ALEPH, DELPHI, L3 and OPAL, are reviewed using the data taken in 1996 at center-of-mass energies between 161 and 172 GeV. No signal was observed. The 95% CL combined lower mass limit for the Minimal Standard Model (MSM) Higgs...

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Autor principal: Sopczak, André
Lenguaje:eng
Publicado: 1997
Materias:
Acceso en línea:http://cds.cern.ch/record/340345
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author Sopczak, André
author_facet Sopczak, André
author_sort Sopczak, André
collection CERN
description The latest results of Higgs boson searches from the four LEP experiments, ALEPH, DELPHI, L3 and OPAL, are reviewed using the data taken in 1996 at center-of-mass energies between 161 and 172 GeV. No signal was observed. The 95% CL combined lower mass limit for the Minimal Standard Model (MSM) Higgs boson has increased from 66 GeV at LEP1 to 77.5 GeV with the first LEP2 data. In the framework of the Two Higgs Doublet Model, the charged Higgs boson mass limit has increased from 44 GeV to 54.5 GeV, independent of the decay branching ratio. Large new (m_h,tan_beta) and (m_h,m_A) parameter regions are excluded in the framework of the Minimal Supersymmetric extension of the Standard Model (MSSM). Preliminary results from the 1997 data-taking at 183 GeV are presented, and the prospects for a discovery in the near future are given.
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institution Organización Europea para la Investigación Nuclear
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publishDate 1997
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spelling cern-3403452019-09-30T06:29:59Zhttp://cds.cern.ch/record/340345engSopczak, AndréSearches for Higgs Bosons at LEP2Particle Physics - PhenomenologyThe latest results of Higgs boson searches from the four LEP experiments, ALEPH, DELPHI, L3 and OPAL, are reviewed using the data taken in 1996 at center-of-mass energies between 161 and 172 GeV. No signal was observed. The 95% CL combined lower mass limit for the Minimal Standard Model (MSM) Higgs boson has increased from 66 GeV at LEP1 to 77.5 GeV with the first LEP2 data. In the framework of the Two Higgs Doublet Model, the charged Higgs boson mass limit has increased from 44 GeV to 54.5 GeV, independent of the decay branching ratio. Large new (m_h,tan_beta) and (m_h,m_A) parameter regions are excluded in the framework of the Minimal Supersymmetric extension of the Standard Model (MSSM). Preliminary results from the 1997 data-taking at 183 GeV are presented, and the prospects for a discovery in the near future are given.hep-ph/9712283IEKP-KA-97-14oai:cds.cern.ch:3403451997-12-09
spellingShingle Particle Physics - Phenomenology
Sopczak, André
Searches for Higgs Bosons at LEP2
title Searches for Higgs Bosons at LEP2
title_full Searches for Higgs Bosons at LEP2
title_fullStr Searches for Higgs Bosons at LEP2
title_full_unstemmed Searches for Higgs Bosons at LEP2
title_short Searches for Higgs Bosons at LEP2
title_sort searches for higgs bosons at lep2
topic Particle Physics - Phenomenology
url http://cds.cern.ch/record/340345
work_keys_str_mv AT sopczakandre searchesforhiggsbosonsatlep2