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Polarization of. lambda. 's and Lambda-bar 's in pp, p-barp, and K/sup -/p interactions at 176 GeV/c

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ; ; ; ;

We have measured the polarization of ..lambda..'s in inclusive pp and K/sup -/p reactions and of Lambda-bar's in p-barp interactions at a beam momentum of 176 GeV/c. Data were taken in the beam fragmentation region with hyperon transverse momenta from 0.2 to 1.5 GeV/c. The p-bar-2 produced Lambda-bar's have the same magnitude and sign of polarization as the p-2 produced ..lambda..'s whereas the ..lambda..'s from K/sup -/p interactions are more highly polarized and in the opposite direction.

Research Organization:
Department of Physics, University of California, Davis, California 95616
OSTI ID:
5572097
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 56:21; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
645104 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANTIBARYONS
ANTIHYPERONS
ANTILAMBDA PARTICLES
ANTIMATTER
ANTIPARTICLES
BARYON-BARYON INTERACTIONS
BARYONS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
GEV RANGE
GEV RANGE 100-1000
HADRON-HADRON INTERACTIONS
HADRONS
HYPERONS
INCLUSIVE INTERACTIONS
INTERACTIONS
KAON MINUS-PROTON INTERACTIONS
KAON-NUCLEON INTERACTIONS
KAON-PROTON INTERACTIONS
LAMBDA BARYONS
LAMBDA PARTICLES
LINEAR MOMENTUM
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MONTE CARLO METHOD
NUCLEON-ANTINUCLEON INTERACTIONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
POLARIZED PRODUCTS
PROTON-ANTIPROTON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
STRANGE PARTICLES
TRANSVERSE MOMENTUM