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Search for neutral Higgs bosons in $e^{+}e^{-}$ interactions at center-of-mass energies between 130 GeV and 183 GeV
We have implemented precision tracking algorithms and developed novel techniques to efficiently identify the production of b quarks with a high purity. These techniques would allow us to discover the Higgs boson through its decay into b quark pairs. The search for the Higgs boson was carried out wit...
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Lenguaje: | eng |
Publicado: |
UC, San Diego
1998
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/722648 |
Sumario: | We have implemented precision tracking algorithms and developed novel techniques to efficiently identify the production of b quarks with a high purity. These techniques would allow us to discover the Higgs boson through its decay into b quark pairs. The search for the Higgs boson was carried out within the framework of the Standard Model and a restricted version of the Minimal Supersymmetric Standard Model using the four-jets channel in the data from e$\sp+$e$\sp-$ interactions with center-of-mass energies 130 $\rm GeV \le \sqrt{s} \le 183$ GeV collected by the L3 detector. After combining the results of the search in the four-jets channel with the other decay modes, no evidence of the production of a Higgs signal is observed. Lower limits are set on the mass of the Standard Model Higgs and on the Minimal Supersymmetric Standard Model Higgs as a function of tan $\beta.$ The mass of the Standard Model Higgs boson, h, is restricted to be |
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