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Preliminary results of nu/sub e/e/sup -/ scattering at LAMPF

Conference ·
OSTI ID:6383608
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We present preliminary results of a neutrino experiment in progress at LAMPF by an Irvine-Los Alamos-Maryland collaboration. We have observed a signal consistent with nu/sub e/e/sup -/ elastic scattering, with a 15-ton sandwich detector. The number of these nu/sub e/e/sup -/ candidates agrees with that predicted by the Weinberg-Salam electroweak theory. The corresponding sin/sup 2/theta/sub w/ and total cross section are reported. This study shows that the interference of weak charged-current and weak neutral-current in nu/sub e/e/sup -/ scattering is not constructive. We also searched for anomalous appearance of anti nu/sub e/ from the LAMPF beam stop. An upper limit for the multiplicative lepton number conservation law, and limits for anti nu/sub ..mu../ ..-->.. anti nu/sub e/ oscillation are given. 15 references.
Research Organization:
California Univ., Irvine (USA); Los Alamos National Lab., NM (USA); Maryland Univ., College Park (USA)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
6383608
Report Number(s):
LA-UR-84-2764; CONF-8406158-3; ON: DE85002010
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
ALGEBRAIC CURRENTS
ANTILEPTONS
ANTIMATTER
ANTINEUTRINOS
ANTIPARTICLES
CHARGED CURRENTS
CROSS SECTIONS
CURRENTS
ELASTIC SCATTERING
ELECTRON ANTINEUTRINOS
ELECTRON NEUTRINOS
ELEMENTARY PARTICLES
FERMIONS
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
LIMITING VALUES
MASSLESS PARTICLES
MUON ANTINEUTRINOS
MUON NEUTRINOS
NEUTRAL CURRENTS
NEUTRINO OSCILLATION
NEUTRINO-ELECTRON INTERACTIONS
NEUTRINOS
PARTICLE INTERACTIONS
SCATTERING
TOTAL CROSS SECTIONS
WEAK CHARGED CURRENTS
WEAK NEUTRAL CURRENTS