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Neutral-current. nu. /sub. mu. /n and. nu. /sub. mu. /p cross sections from high-energy neutrino interactions in deuterium

Journal Article · · Phys. Rev. Lett.; (United States)
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In an exposure of the deuterium-filled 15-ft bubble chamber, sigma(..nu../sub ..mu../n..--> nu../sub ..mu../X)/sigma(..nu../sub ..mu../p..--> nu../sub ..mu../X) is measured to be 1.01 +- 0.14. The ratios of neutral-current to charge-current cross sections are 0.30 +- 0.03, 0.22 +- 0.03, and 0.49 +- 0.06 for D/sub 2/, n, and p targets, respectively, which imply values u/sup 2//sub L/ = 0.19 +- 0.06 and d/sup 2//sub L/ = 0.13 +- 0.04 for the neutral-current chiral couplings. Evidence for both u- and d-quark jets in neutral-current reactions is observed in distributions of energy fraction of the fastest hadron of either charge from each event.
Research Organization:
State University of New York at Stony Brook, Stony Brook, New York 11974
OSTI ID:
5231791
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 48:14; ISSN PRLTA
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
BUBBLE CHAMBERS
CHARGED-CURRENT INTERACTIONS
CROSS SECTIONS
DEEP INELASTIC SCATTERING
DEUTERIUM TARGET
ELEMENTARY PARTICLES
FERMIONS
GAS TRACK DETECTORS
INELASTIC SCATTERING
INTERACTIONS
LEPTON REACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LEPTONS
MASSLESS PARTICLES
MEASURING INSTRUMENTS
MUON NEUTRINOS
NEUTRAL-CURRENT INTERACTIONS
NEUTRINO REACTIONS
NEUTRINO-NEUTRON INTERACTIONS
NEUTRINO-NUCLEON INTERACTIONS
NEUTRINO-PROTON INTERACTIONS
NEUTRINOS
NUCLEAR REACTIONS
PARTICLE INTERACTIONS
POSTULATED PARTICLES
QUARKS
RADIATION DETECTORS
SCATTERING
TARGETS