Measurement of the deuteron quadrupole moment by elastic scattering of polarized deuterons

Thesis/Dissertation · Sat Jan 01 04:00:00 EST 1983

OSTI ID:7000156

Kammeraad, J E

The quadrupole moment of the deuteron, Q, was determined to a relative accuracy of +/-7% from measurements of T/sub 20/ for /sup 208/Pb(d,d) at a deuteron bombarding energy of 4 MeV. This bombarding energy is sufficiently far below the Coulomb barrier that T/sub 20/ results primarily from the electrostatic interaction between the quadrupole moment of the deuteron and the gradient of the electric field of the target nucleus. To a good approximation, T/sub 20/ is linear in Q. In order to determine the quadrupole moment, the 4 MeV measurements were compared to quantum mechanical calculations of T/sub 20/, accurate to order Q/sup 2/, for the electric quadrupole interaction. The results were corrected for the deuteron electric polarizability, atomic screening of the nuclear charge, vacuum polarization, and relativistic effects. In order to investigate the effects of nuclear interactions on deuteron scattering at 4 MeV, the tensor analyzing powers for /sup 208/Pb(d,d) were calculated with the distorted-wave theory and with the optical model for a range of sub-Coulomb bombarding energies. The calculated values were checked by comparing them to measurements of an excitation function of T/sub 20/ for E/sub d/ = 4 to 9 MeV and angular distributions of the analyzing powers at E/sub d/ = 8 MeV. Both models explained the measurements and were used to calculate the tensor analysing powers at 4 MeV. It was found that nuclear effects are negligible at 4 MeV for the purposes of this experiment. The final result, Q = 0.285 +/- 0.020 fm/sup 2/, is consistent with the value obtained from atomic physics.

• Research Organization: Wisconsin Univ., Madison (USA)
• OSTI ID: 7000156
• Country of Publication: United States
• Language: English

Related Subjects

651224* -- Nuclear Properties & Reactions
A=1-5
Experimental-- Moments & Spin-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANALYZING POWER
ANGULAR DISTRIBUTION
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DEUTERON REACTIONS
DEUTERONS
DISTORTED WAVE THEORY
DISTRIBUTION
ELASTIC SCATTERING
ENERGY RANGE
EXCITATION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
INFORMATION
LEAD 208 TARGET
MEV RANGE
MEV RANGE 01-10
NUCLEAR REACTIONS
NUMERICAL DATA
OPTICAL MODELS
QUADRUPOLE MOMENTS
SCATTERING
TARGETS
THEORETICAL DATA