Neutron-proton forward-angle elastic cross sections at 790 MeV
Journal Article
·
· Phys. Rev. Lett.; (United States)
High-statistics measurements of the absolute differential cross section for n-p scattering have been made over neutron c.m.-system scattering angles 9.5/sup 0/ < theta* < 64.5/sup 0/. The statistical error is 1.7 to 3.3% for 2/sup 0/-wide angular bins, and the systematic error is 2.7 to 3.3%. The cross section is fitted by dsigma/d..cap omega..* = A exp(bt), with A = 10.27 +- 0.36 mb/sr, b = 5.00 +- 0.05 and 0.01 5 -t 5 0.39 (GeV/c)/sup 2/. For the ratio of the real to the imaginary part of the forward-scattering amplitude we obtained ..cap alpha../sub n/ - 0.43 +- 0.04, consistent with other less precise determinations of ..cap alpha../sub n/.
- Research Organization:
- Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131
- OSTI ID:
- 6773319
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 41:20; 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
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
BARYON-BARYON INTERACTIONS
BOSON-EXCHANGE MODELS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELASTIC SCATTERING
ENERGY RANGE
HADRON-HADRON INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 100-1000
NUCLEON-NUCLEON INTERACTIONS
OBE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PERIPHERAL MODELS
PHASE SHIFT
PROTON-NEUTRON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
SCATTERING
STATISTICAL MODELS
TIME-OF-FLIGHT METHOD
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
BARYON-BARYON INTERACTIONS
BOSON-EXCHANGE MODELS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELASTIC SCATTERING
ENERGY RANGE
HADRON-HADRON INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 100-1000
NUCLEON-NUCLEON INTERACTIONS
OBE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PERIPHERAL MODELS
PHASE SHIFT
PROTON-NEUTRON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
SCATTERING
STATISTICAL MODELS
TIME-OF-FLIGHT METHOD