Testing supergravity grand unification at future accelerator and underground experiments

Journal Article · Tue Feb 01 00:00:00 EST 1994 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.49.1479· OSTI ID:5409847

Arnowitt, R ^[1]; Nath, P ^[2]

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1. Physics Research Division, Superconducting Super Collider Laboratory, Dallas, Texas 75237 (United States)
2. Department of Physics, Northeastern University, Boston, Massaschusetts 02115 (United States)

The full parameter space of supergravity grand unified theory with SU(5)-type [ital p][r arrow][bar [nu]][ital K] proton decay is analyzed using renormalization-group--induced electroweak symmetry breaking under the restrictions that the universal scalar mass [ital m][sub 0] and gluino mass are [le]1 TeV (no extreme fine tuning) and the Higgs triplet mass obeys [ital M][sub [ital H]3]/[ital M][sub [ital G]][lt]10. Future proton decay experiments at SuperKamiokande or ICARUS can reach a sensitivity for the [bar [nu]][ital K] mode of (2--5)[times]10[sup 33] yr allowing a number of predictions concerning the SUSY mass spectrum. Thus either the [ital p][r arrow][bar [nu]][ital K] decay mode will be seen at these experiments or a chargino of mass [ital m][sub [ital [tilde W]]][lt]100 GeV will exist and hence be observable at CERN LEP2. Further, if ([ital p][r arrow][bar [nu]][ital K])[gt]1.5[times]10[sup 33] yr, then either the light Higgs boson has mass [ital m][sub [ital h]][le]95 GeV or [ital m][sub [ital [tilde W]]][le]100 GeV, i.e., either the light Higgs boson or the light chargino (or both) would be observable at LEP2. Thus, the combination of future accelerator and future underground experiments allow for strong experimental tests of this theory.

• OSTI ID: 5409847
• Journal Information: Physical Review, D (Particles Fields); (United States), Vol. 49:3; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
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GRAND UNIFIED THEORY
SUPERGRAVITY
TESTING
DECAY
HIGGS BOSONS
MASS SPECTRA
PROTONS
RENORMALIZATION
SU-5 GROUPS
SYMMETRY BREAKING
BARYONS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
HADRONS
LIE GROUPS
MATHEMATICAL MODELS
NUCLEONS
PARTICLE MODELS
POSTULATED PARTICLES
SPECTRA
SU GROUPS
SYMMETRY GROUPS
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
662210* - Specific Theories & Interaction Models
Particle Systematics- Unified Theories & Models- (1992-)
662360 - Decays of Baryons- (1992-)