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https://hdl.handle.net/2142/31241
Description
Title
High energy two-body deuteron photodisintegration
Author(s)
Terburg, Bart Paul
Issue Date
1999
Doctoral Committee Chair(s)
Beck, Douglas H.
Department of Study
Physics
Discipline
Physics
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
photodisintegration
two-body
deuteron
Language
en
Abstract
The differential cross section for two-body deuteron photodisintegration was
measured at photon energies between 0.8 and 4.0 GeV and center-of-mass angles
ϴcm=37°, 53°, 70°, and 90° as part of CEBAF experiment E89-012. Constituent counting
rules predict a scaling of this cross section at asymptotic energies. In previous
experiments this scaling has surprisingly been observed at energies between 1.4 and
2.8 GeV at 90°. The results from this experiment are in reasonable agreement with
previous measurements at lower energies. The data at 70° and 90° show a constituent
counting rule behavior up to 4.0 GeV photon energy. The 37° and 53° data do not
agree with the constituent counting rule prediction. The new data are compared
with a variety of theoretical models inspired by quantum chromodynamics (QCD)
and traditional hadronic nuclear physics.
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