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Dimuon production by neutrinos: Test of weak-current models

Journal Article · · Phys. Rev., D; (United States)
; ;
We compare predictions of weak-current models for ..mu../sup +/..mu../sup -/ production initiated by ..nu.. and anti ..nu.. with experimental x, y, p, and v distributions of the muon associated with the incident neutrino. These distributions indicate that ..nu..N dimuon production occurs dominantly off valence quarks, with a y dependence that is somewhat suggestive of (1 - y)/sup 2/, while anti ..nu..N production occurs from sea quarks. Nevertheless, the original charm model provides a viable explanation within the uncertainties of present data. An improved description of the ..nu..N dimuon distributions is obtained with a V + A charm-changing current. The dimuon data do not exhibit the characteristics expected from the production of the b-type quark of vectorlike theories. A vector-meson-dominance interpretation does not predict satisfactory x dependences. (AIP)
Research Organization:
Stanford Linear Accelerator Center, Stanford University, Stanford, California 94305
OSTI ID:
7365035
Journal Information:
Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 13:9; ISSN PRVDA
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
ALGEBRAIC CURRENTS
ANTILEPTONS
ANTIMATTER
ANTINEUTRINOS
ANTIPARTICLES
CHARM PARTICLES
CURRENTS
ELEMENTARY PARTICLES
FERMIONS
INTERACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LEPTONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MUONS
MUONS MINUS
MUONS PLUS
NEUTRAL CURRENTS
NEUTRINO-NUCLEON INTERACTIONS
NEUTRINOS
PAIR PRODUCTION
PARTICLE INTERACTIONS
PARTICLE MODELS
POSTULATED PARTICLES
QUARKS
V-A THEORY
VECTOR DOMINANCE MODEL
WEAK NEUTRAL CURRENTS