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High-statistics study of. pi. /sup +/p,. pi. /sup -/p, and pp elastic scattering at 200 GeV/c

Journal Article · · Phys. Rev. D; (United States)
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We have measured ..pi../sup +/p, ..pi../sup -/p, and pp elastic scattering at an incident-beam momentum of 200 GeV/c in the region of -t, four-momentum transfer squared, from 0.021 to 0.665 (GeV/c)/sup 2/. The data allow an investigation of the t dependence of the logarithmic forward slope parameter bequivalent(d/dt)(ln dsigma/dt). In addition to standard parametrizations, we use functional forms suggested by the additive quark model to fit the measured dsigma/dt distributions. Within the context of this model we estimate the size of the clothed quark in the pion and proton. Limits on the elastic-scattering amplitude derived from unitarity bounds are checked, and no violations are observed.
Research Organization:
Yale University, New Haven, Connecticut 06520
OSTI ID:
6441779
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 24:1; 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
645104 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
ANGULAR DISTRIBUTION
BARYON-BARYON INTERACTIONS
CHERENKOV COUNTERS
COMPOSITE MODELS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELASTIC SCATTERING
ENERGY RANGE
GEV RANGE
GEV RANGE 100-1000
HADRON-HADRON INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MATHEMATICS
MEASURING INSTRUMENTS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PION MINUS-PROTON INTERACTIONS
PION PLUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
QUARK MODEL
RADIATION DETECTORS
SCATTERING
SCATTERING AMPLITUDES
STATISTICS
TIME DEPENDENCE