K-meson production by nu/sub. mu. /-deuterium reactions near threshold: implications for nucleon-decay searches
Technical Report
·
OSTI ID:6018282
The extent to which atmospheric neutrino interactions can mimic nucleon decay into modes with a strange particle in the final state is evaluated using nu/sub ..mu../-deuterium interactions recorded by the 12-Foot Bubble Chamber at the ANL Zero Gradient Synchrotron. Event distributions representative of atmospheric neutrinos with 1 < E/sub nu/ < 5 GeV are studied. Such neutrino interactions in massive underground detectors will yield K/sup 0/ and K/sup +/ mesons with respective rates of 1.5 +- 0.8 and 4.2 +- 2.3 per kiloton year. However, the neutrino-induced events have final-state invariant mass and net momentum which are distinctly different from the values that characterize nucleon decay. Consequently, at lifetime levels corresponding to ten kilton years of detector exposure, experimental searches capable of reconstructing these variables will not encounter substantial neutrino background for nucleon decay modes leading to K mesons in the final state. 24 refs, 4 figs.
- Research Organization:
- Tufts Univ., Medford, MA (USA); Argonne National Lab., IL (USA); Kansas Univ., Lawrence (USA)
- DOE Contract Number:
- AC02-83ER40085
- OSTI ID:
- 6018282
- Report Number(s):
- DOE/ER/40085-10; ANL-HEP-PR-86-04; ON: DE86009946
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYONS
BOSONS
CYCLIC ACCELERATORS
DATA
DECAY
DEUTERIUM TARGET
ELEMENTARY PARTICLES
EXPERIMENTAL DATA
FERMIONS
HADRONS
INFORMATION
KAONS
LEPTON REACTIONS
LEPTONS
LINEAR MOMENTUM
MASS
MASSLESS PARTICLES
MESONS
MUON NEUTRINOS
NEUTRINO REACTIONS
NEUTRINOS
NUCLEAR REACTIONS
NUCLEONS
NUMERICAL DATA
PARTICLE DECAY
PARTICLE PRODUCTION
PSEUDOSCALAR MESONS
REST MASS
STRANGE MESONS
STRANGE PARTICLES
SYNCHROTRONS
TARGETS
ZGS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYONS
BOSONS
CYCLIC ACCELERATORS
DATA
DECAY
DEUTERIUM TARGET
ELEMENTARY PARTICLES
EXPERIMENTAL DATA
FERMIONS
HADRONS
INFORMATION
KAONS
LEPTON REACTIONS
LEPTONS
LINEAR MOMENTUM
MASS
MASSLESS PARTICLES
MESONS
MUON NEUTRINOS
NEUTRINO REACTIONS
NEUTRINOS
NUCLEAR REACTIONS
NUCLEONS
NUMERICAL DATA
PARTICLE DECAY
PARTICLE PRODUCTION
PSEUDOSCALAR MESONS
REST MASS
STRANGE MESONS
STRANGE PARTICLES
SYNCHROTRONS
TARGETS
ZGS