Measurement of the A sub yy tensor analyzing power for the sup 1 H(d sup yields ,pp)n reaction in the symmetric constant relative energy geometry
Measurements of the unpolarized cross section and A{sub yy} for the {sup 1}H(d{sup yields},pp)n reaction were made using the 95 MeV tensor polarized deuteron beam at IUCF. The Symmetric Constant Relative Energy (SCRE) final-state geometry was chosen to enhance sensitivity to offshell and three-body force effects. In addition, the entire kinematic energy loci were analyzed for SCRE values of {alpha} {ge} 144{degree}. The tensor analyzing power was found to exhibit a large and narrow minimum centered on the point of the locus opposite the SCRE point. The data were compared to various Faddeev calculations. Specifically, these calculations were conducted using either separable potentials or by treating the S-wave portions of the two-nucleon interaction exactly and all higher order waves perturbatively. The perturbative calculations overall did a better job of describing the analyzing power data. This was especially true in the interference region near {alpha} = 144{degree}. Predictions for the unpolarized cross section were available for the perturbative calculations only. They tracked the data well for values of {alpha} > 160{degree}.
- Research Organization:
- Indiana Univ., Bloomington, IN (USA)
- OSTI ID:
- 6850108
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
645100 -- High Energy Physics-- Particle Interactions & Properties-Experimental
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
74 ATOMIC AND MOLECULAR PHYSICS
ANALYZING POWER
BARYON-BARYON INTERACTIONS
CALCULATION METHODS
CROSS SECTIONS
DATA
DATA ANALYSIS
ENERGY RANGE
EQUATIONS
EXPERIMENTAL DATA
FADDEEV EQUATIONS
GEOMETRY
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
MATHEMATICS
MEASURING INSTRUMENTS
MEASURING METHODS
MEV RANGE
MEV RANGE 10-100
NEUTRON-DEUTERON INTERACTIONS
NUCLEON-DEUTERON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS