Neutral current coupling constants from [nu][sub [mu]][ital e][sup [minus]] and [bar [nu]][sub [mu]][ital e][sup [minus]] scattering
Conference
·
· AIP Conference Proceedings (American Institute of Physics); (United States)
OSTI ID:5473779
We report on determinations of the neutral current coupling constants of the electron from the study of muon neutrino and antineutrino scattering off electrons. The results were obtained with the CHARM II detector which was exposed to the CERN wide band neutrino beam during the years 1987 to 1991. We present the determination of [ital g][sub [ital V]] and [ital g][sub [ital A]] from the measurement of [nu][sub [mu]][ital e] and [bar [nu]][sub [mu]][ital e] cross sections with 80% of the data and a preliminary result for sin[sup 2][theta][sub [ital w]] from the ratio of [nu][sub [mu]][ital e] and [ital [bar v]][sub [mu]][ital e] cross sections, using the full data sample. We furthermore give results from the comparison of neutrino electron scattering with inverse muon decay and present the first measurement of the [ital y]-distributions for [nu][sub [mu]][ital e] and [bar [nu]][sub [mu]][ital e] scattering. The agreement between our results and those from the measurements at LEP demonstrates the validity of the Standard Model over a range in momentum transfer which spans six orders of magnitude.
- OSTI ID:
- 5473779
- Report Number(s):
- CONF-920837--
- Conference Information:
- Journal Name: AIP Conference Proceedings (American Institute of Physics); (United States) Journal Volume: 272:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
662210 -- Specific Theories & Interaction Models
662310* -- Weak & Electromagnetic Interactions of Leptons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRAIC CURRENTS
ANTILEPTONS
ANTIMATTER
ANTINEUTRINO-ELECTRON INTERACTIONS
ANTINEUTRINOS
ANTIPARTICLES
COUPLING CONSTANTS
CROSS SECTIONS
CURRENTS
ELECTRON NEUTRINOS
ELEMENTARY PARTICLES
FERMIONS
INTERACTIONS
LEP STORAGE RINGS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MATTER
MUON ANTINEUTRINOS
MUON NEUTRINOS
NEUTRAL CURRENTS
NEUTRINO-ELECTRON INTERACTIONS
NEUTRINOS
PARTICLE INTERACTIONS
PARTICLE MODELS
Pa
Particle Systematics-- Unified Theories & Models-- (1992-)
STANDARD MODEL
STORAGE RINGS
UNIFIED GAUGE MODELS
662310* -- Weak & Electromagnetic Interactions of Leptons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRAIC CURRENTS
ANTILEPTONS
ANTIMATTER
ANTINEUTRINO-ELECTRON INTERACTIONS
ANTINEUTRINOS
ANTIPARTICLES
COUPLING CONSTANTS
CROSS SECTIONS
CURRENTS
ELECTRON NEUTRINOS
ELEMENTARY PARTICLES
FERMIONS
INTERACTIONS
LEP STORAGE RINGS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MATTER
MUON ANTINEUTRINOS
MUON NEUTRINOS
NEUTRAL CURRENTS
NEUTRINO-ELECTRON INTERACTIONS
NEUTRINOS
PARTICLE INTERACTIONS
PARTICLE MODELS
Pa
Particle Systematics-- Unified Theories & Models-- (1992-)
STANDARD MODEL
STORAGE RINGS
UNIFIED GAUGE MODELS