Results from DELPHI on the searches for SM and MSSM Neutral Higgs bosons
Javier Fernandez (on behalf of the DELPHI Collaboration)
TL;DR
This paper reports the final results from DELPHI searches for the Standard Model and MSSM neutral Higgs bosons, setting mass bounds based on data collected at energies between 192 and 209 GeV.
Contribution
It provides updated mass limits for SM and MSSM Higgs bosons using improved analysis techniques and a comprehensive dataset from LEP.
Findings
95% CL lower mass bound on SM Higgs is 114.1 GeV
Mass limits established for MSSM Higgs bosons
Reanalysis with improved b-tagging enhances search sensitivity
Abstract
These final results from DELPHI searches for the Standard Model SM Higgs boson, together with benchmark scans of the Minimal Supersymmetric Standard Model MSSM neutral Higgs bosons, used data taken at centre-of-mass energies between 200 and 209GeV with a total integrated luminosity of 224inv. pb.The data from 192 to 202GeV are reanalysed with improved b-tagging for MSSM final states decaying to four b-quarks. The 95% confidence level lower mass bound on the Standard Model Higgs boson is 114.1GeV. Mass limits are also given on the lightest scalar and pseudo-scalar Higgs bosons of the MSSM.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Astrophysics and Cosmic Phenomena · Computational Physics and Python Applications