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Analyzing power for. pi. /sup -/p charge exchange and a test of isospin invariance up to eta threshold

Journal Article · · Phys. Rev. D; (United States)
; ; ; ; ; ;
The analyzing power for ..pi../sup -/p..--> pi../sup 0/n has been measured at five incident momenta from 547 to 687 MeV/c using a transversely polarized target. Data were obtained with scintillation counters at 10 angles simultaneously covering the range -0.9 less than or equal to costheta/sub c.m.//sup ..pi../ less than or equal to 0.9. Our results and those of Kim et al. are used for a model-independent test of isospin invariance which is based on the triangle inequalities applied to the transversity-up as well as the transversity-down cross sections. No evidence is found for isospin violation.
Research Organization:
Department of Physics, University of California, Los Angeles, California 90024
OSTI ID:
5511494
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 36:11; ISSN PRVDA
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
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
ANALYZING POWER
BARYONS
BASIC INTERACTIONS
BOSONS
CHARGE-EXCHANGE INTERACTIONS
CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY
ENERGY RANGE
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ISOSPIN
LAMPF LINAC
LINEAR ACCELERATORS
MEASURING INSTRUMENTS
MESON FACTORIES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MEV RANGE
MEV RANGE 100-1000
NEUTRONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS NEUTRAL
POLARIZED TARGETS
PSEUDOSCALAR MESONS
RADIATION DETECTORS
RECOILS
SCATTERING
SCINTILLATION COUNTERS
STRONG INTERACTIONS
TARGETS
THRESHOLD ENERGY