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nu. /sub. mu. /-. nu. /sub e/ universality in charged-current neutrino interactions

Conference ·
OSTI ID:6917630
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Approximately 2000 ..nu../sub e/ and /bar /nu///sub e/ charged-current interactions with energies ranging up to 200 GeV were observed in a wide band neutrino beam using the Fermilab 15-ft bubble chamber filled with a heavy Ne-H/sub 2/ mix. The cross-section, kinematic distributions, charged particle multiplicity, strange particle production, and dilepton production for these events are compared to those for samples of ..nu../sub ..mu../ and /bar /nu///sub ..mu../ charged-current events obtained during the same experiment. No evidence for a violation of ..nu../sub ..mu..//minus/..nu../sub e/ universality is observed. The universality of charged leptons has a strong experimental foundation. However, the universality of neutrinos is not as well established. We report on a detailed study of ..nu../sub ..mu..//minus/..nu../sub e/ universality, including comparisons of cross sections and many properties, such as kinematic distributions and the strange particle production rates. These results represent an order of magnitude improvement in statistics over previous bubble chamber studies of neutrino universality. Counter experiments have measured cross sections only. 12 refs., 9 figs.
Research Organization:
Brookhaven National Lab., Upton, NY (USA)
DOE Contract Number:
AC02-76CH00016
OSTI ID:
6917630
Report Number(s):
BNL-41674; CONF-8806204-3; ON: DE88016740
Country of Publication:
United States
Language:
English

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Related Subjects

645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHARGED-CURRENT INTERACTIONS
CROSS SECTIONS
ELECTRON NEUTRINOS
ELEMENTARY PARTICLES
FERMIONS
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MASSLESS PARTICLES
MULTIPLICITY
MUON NEUTRINOS
NEUTRINO-NEUTRINO INTERACTIONS
NEUTRINOS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
STRANGE PARTICLES