Search for Higgs bosons of minimal supersymmetry: Impact of supersymmetric decay modes

Journal Article · Mon Feb 01 04:00:00 EST 1993 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.47.1062· OSTI ID:6889916

Baer, H ^[1]; Bisset, M ^[2]; Dicus, D ^[3]; Kao, C ^[1]; Tata, X ^[2]

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1. Department of Physics, Florida State University, Tallahassee, Florida 32306 (United States)
2. Department of Physics and Astronomy, University of Hawaii, Honolulu, Hawaii 96822 (United States)
3. Center for Particle Theory, University of Texas, Austin, Texas 78712 (United States)

We investigate the prospects for the detectability of the Higgs bosons of the minimal supersymmetric model (MSSM) at future colliders. First we delineate regions of MSSM parameter space where the various Higgs bosons may be observable at the CERN [ital e][sup +][ital e[minus]] collider LEP 200 or hadron supercolliders, assuming (as usual) that Higgs-boson decay modes to supersymmetric particles are not allowed. We find that, even with optimistic assumptions of detector capabilities, there exist regions of parameter space where none of the Higgs bosons are visible. Next, we show that there are substantial regions of parameter space where rates for Higgs-boson decays to supersymmetric particles are large, and even dominant. These decays reduce the rates for conventional Higgs-boson signatures, thus making conventional detection of Higgs bosons even more difficult. However, a number of new, promising modes for Higgs-boson detection have opened up. These include a gold-plated'' Higgs scalar or pseudoscalar decay to four leptons plus missing energy which may make possible a precise mass measurement of the lightest and second lightest neutralino. Furthermore, rare decays of the top quark into a [ital b] quark plus three leptons may be visible, and signal charged-Higgs-boson decays to a chargino plus neutralino.

• DOE Contract Number: FG05-87ER40319; AM03-76SF00235; FG05-85ER40200
• OSTI ID: 6889916
• Journal Information: Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 47:3; ISSN 0556-2821; ISSN PRVDAQ
• Country of Publication: United States
• Language: English

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662210 -- Specific Theories & Interaction Models
662380* -- Decays of Intermediate Bosons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
DECAY
ELEMENTARY PARTICLES
FIELD THEORIES
GRAND UNIFIED THEORY
HIGGS BOSONS
LEP STORAGE RINGS
MATHEMATICAL MODELS
NUCLEAR POTENTIAL
PARTICLE DECAY
PARTICLE IDENTIFICATION
PARTICLE MODELS
POSTULATED PARTICLES
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Particle Systematics-- Unified Theories & Models-- (1992-)
STANDARD MODEL
STORAGE RINGS
SUPERCONDUCTING SUPER COLLIDER
SUPERSYMMETRY
SYMMETRY
SYMMETRY BREAKING
TOP PARTICLES
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
YUKAWA POTENTIAL