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Title:High Energy Measurements of the Deuteron Photodisintegration Differential Cross Section
Author(s):Schulte, Elaine Carol
Doctoral Committee Chair(s):Holt, R.J.
Department / Program:Physics
Subject(s):deutron photodisintegration
Abstract:New measurements of the high energy deutron photodisintegration differential cross section were made at the Thomas Jefferson National Accelerator Facility in Newport News, Virginia. Two experiments were performed. Experiment E96-003 was performed in experimental Hall C. The measurements were designed to extend the highest energy differential cross section values to 5.5 GeV incident photon energy at forward angles. This builds upon previous high energy measurements in which scaling consistent with the pQCD constituent counting rules was observed at 90° and 70° in the center of mass. From the new measurements, a threshold for the onset of constituent counting rule scaling seems present at transverse momentum approximately 1.3 GeV/c. The second experiment, E99-008, was performed in experimental Hall A. The measurements were designed to explore the angular distribution of the differential cross section at constant energy. The measurements were made symmetric about 90° in the center of mass. The results, which are neither consistent with meson exchange nor quark-exchange, remain puzzling.
Issue Date:2002
Genre:Dissertation / Thesis
Rights Information:©2002 Elaine Carol Schulte
Date Available in IDEALS:2012-06-07
Identifier in Online Catalog:4591828

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