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Measurement of the electron--deuteron elastic scattering cross section in the range 0. 8 less than or equal to q/sup 2/ less than or equal to 6 GeV/sup 2/

Conference ·
OSTI ID:7086463
; ; ; ; ; ; ; ;
Preliminary results of elastic eD scattering at large momentum transfer performed at the Stanford Linear Accelerator Center using two high resolution spectrometers in coincidence are reported. The deuteron structure function A(q/sup 2/) is deduced at 9 values of q/sup 2/ from a comparison of elastic eD and eP coincident yields and the world's eP cross sections. These measurements extend the range of q/sup 2/ by 4.5 over previous work, and in this new range A(q/sup 2/) is observed to approach 1/q/sup 20/ momentum dependence. Results are in sharp disagreement with the meson exchange calculations, and they are in rough agreement with the nonrelativistic potential models, and they are in agreement with the predictions of the quark dimensional scaling model which pictures the deuteron as a bound state of 6 quarks at large momentum transfer.
Research Organization:
Stanford Linear Accelerator Center, Calif. (USA)
OSTI ID:
7086463
Report Number(s):
SLAC-PUB-1596; CONF-750631-15
Country of Publication:
United States
Language:
English

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Related Subjects

645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
645103 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHARGED PARTICLES
COMPOSITE MODELS
DEUTERONS
DIMENSIONS
ELASTIC SCATTERING
ELECTRON-DEUTERON INTERACTIONS
FUNCTIONS
INTERACTIONS
INVARIANCE PRINCIPLES
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
QUARK MODEL
SCALE INVARIANCE
SCATTERING
STRUCTURE FUNCTIONS