A search for neutral Higgs bosons at high tan-beta in multi-jet events from proton-antiproton collisions at center of mass energy = 1960 GeV
Abstract
The Higgs mechanism preserves the gauge symmetries of the Standard Model while giving masses to the W, Z bosons. Supersymmetry, which protects the Higgs boson mass scale from quantum corrections, predicts at least 5 Higgs bosons, none of which has been directly observed. This thesis presents a search for neutral Higgs bosons, produced in association with bottom quarks. The production rate is greatly enhanced at large values of the Supersymmetric parameter tan beta. High-energy pp¯ collision data, collected from Run II of the Fermilab Tevatron using the DO detector, are analyzed. In the absence of a signal, values of tanbeta > 80--120 are excluded at 95% Confidence Level (C.L.), depending on the (CP-odd) neutral Higgs boson mass (studied from 100 to 150 GeV/c2).
- Publication:
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Ph.D. Thesis
- Pub Date:
- 2004
- Bibcode:
- 2004PhDT........81H