{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/31384"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/31384","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"High Energy Measurements of the Deuteron Photodisintegration Differential Cross Section","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.","abstract_html":"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.","abstract_has_math":false,"creators":["Schulte, Elaine Carol"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Holt, R.J."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-06-07T17:27:40Z","date_published":"2012-06-07T17:27:40Z","updated_at":"2026-07-22T22:25:30Z","subjects":["deutron photodisintegration"],"languages":["en"],"rights":["©2002 Elaine Carol Schulte"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["4591828"],"render_values":[{"text":"4591828","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/31384","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Holt, R.J."]},{"key":"dc:creator","label":"Author","values":["Schulte, Elaine Carol"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2012-06-07T17:27:40Z","10000-01-01","2002"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation / Thesis","text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["deutron photodisintegration"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["©2002 Elaine Carol Schulte"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["4591828","http://hdl.handle.net/2142/31384"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["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.","Submitted by Elizabeth Kent (eckent2@illinois.edu) on 2012-06-07T17:27:40Z No. of bitstreams: 1 2002_schulte.pdf: 8174082 bytes, checksum: 538fce73c481e18e787e9a626cb72e4b (MD5)","Made available in DSpace on 2012-06-07T17:27:40Z (GMT). No. of bitstreams: 1 2002_schulte.pdf: 8174082 bytes, checksum: 538fce73c481e18e787e9a626cb72e4b (MD5) Previous issue date: 2002","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Elizabeth Kent (eckent2@illinois.edu) on 2012-06-07T17:27:40Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:34:32-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: thesis","thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["High Energy Measurements of the Deuteron Photodisintegration Differential Cross Section"]}]}],"canonical_facts":{"dc:contributor":["Holt, R.J."],"dc:creator":["Schulte, Elaine Carol"],"dc:date":["2012-06-07T17:27:40Z","10000-01-01","2002"],"dc:description":["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.","Submitted by Elizabeth Kent (eckent2@illinois.edu) on 2012-06-07T17:27:40Z No. of bitstreams: 1 2002_schulte.pdf: 8174082 bytes, checksum: 538fce73c481e18e787e9a626cb72e4b (MD5)","Made available in DSpace on 2012-06-07T17:27:40Z (GMT). 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