Measurement of the asymmetry parameter A in. pi. /sup -/p elastic and charge-exchange scattering at pion energies T/sub. pi. / = 98, 238, 292, and 310 MeV
Journal Article
·
· Phys. Rev. D; (United States)
The asymmetry parameter A in ..pi../sup -/p elastic scattering at incident pion laboratory kinetic energies T/sub ..pi../ of 98, 238, and 292 MeV and in ..pi../sup -/p charge-exchange scattering ..pi../sup -/p..--> pi../sup 0/n at T/sub ..pi../ = 238, 292, and 310 MeV have been measured over a wide range of scattering angles (typically from about 60/sup 0/ to 130/sup 0/ c.m.) with a polarized proton target. The data have been used in an energy-independent phase-shift analysis to improve the precision of the pion-nucleon phase shifts, to set new limits on violation of isospin conservation in the pion-nucleon S wave, and to confirm significant charge dependence in the P/sub 3/2/ wave.
- Research Organization:
- Institut de Physique Nucleaire de l'Universite de Lausanne, CH-1015 Lausanne, Switzerland
- OSTI ID:
- 6048248
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 27:5; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
ASYMMETRY
BASIC INTERACTIONS
CHARGE-EXCHANGE INTERACTIONS
DATA
DISTRIBUTION
ELASTIC SCATTERING
ENERGY RANGE
EXPERIMENTAL DATA
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
ISOSPIN
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PHASE SHIFT
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
POLARIZED TARGETS
SCATTERING
STRONG INTERACTIONS
TARGETS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
ASYMMETRY
BASIC INTERACTIONS
CHARGE-EXCHANGE INTERACTIONS
DATA
DISTRIBUTION
ELASTIC SCATTERING
ENERGY RANGE
EXPERIMENTAL DATA
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
ISOSPIN
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PHASE SHIFT
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
POLARIZED TARGETS
SCATTERING
STRONG INTERACTIONS
TARGETS