Results from the Soudan 2 detector
Conference
·
OSTI ID:6936479
The Soudan 2 underground detector is a large fine-grained tracking calorimeter comprised of long drift tubes read out by proportional wires. It is surrounded by a proportional tube shield. Preliminary nucleon decay results with 0.5 fiducial kT-yr exposure give 90% CL lower limits of [tau]/B > 4.5 [times] 10[sup 30]yr for the mode p [yields] K[sup +][nu]. A search for GUT magnetic monopoles making highly ionizing tracks yielded a 90% CL upper flux limit of 8.7 [times] 10[sup [minus]15] cm[sup [minus]2]s[sup [minus]1]sr[sup [minus]1] for monopole velocities of [beta] > 2 [times] 10[sup [minus]3] in data taken over almost three years.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6936479
- Report Number(s):
- ANL-HEP-CP-92-85; CONF-920837--8; ON: DE93002777
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440104 -- Radiation Instrumentation-- High Energy Physics Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
662360* -- Decays of Baryons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
CALCULATION METHODS
DECAY
DESIGN
DETECTION
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
GRAND UNIFIED THEORY
HADRONS
IONIZATION
MAGNETIC MONOPOLES
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MONOPOLES
MONTE CARLO METHOD
NUCLEONS
PARTICLE DECAY
PARTICLE MODELS
POSTULATED PARTICLES
PROTONS
RADIATION DETECTORS
RESOLUTION
SEMILEPTONIC DECAY
SHOWER COUNTERS
SPATIAL RESOLUTION
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
WEAK PARTICLE DECAY
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
662360* -- Decays of Baryons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
CALCULATION METHODS
DECAY
DESIGN
DETECTION
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
GRAND UNIFIED THEORY
HADRONS
IONIZATION
MAGNETIC MONOPOLES
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MONOPOLES
MONTE CARLO METHOD
NUCLEONS
PARTICLE DECAY
PARTICLE MODELS
POSTULATED PARTICLES
PROTONS
RADIATION DETECTORS
RESOLUTION
SEMILEPTONIC DECAY
SHOWER COUNTERS
SPATIAL RESOLUTION
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
WEAK PARTICLE DECAY