{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25622"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25622","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Photon scattering from 40Ca and 39K up to 14 MeV","abstract":"Average photon elastic scattering was surveyed from 6.6 to 13.6 MeV in 40 Ca using tagged photons of resolution 60 to 200 keV and a NaI scintillation detector. Strength was seen at 6.9 and 10.3 MeV. The strength at 10.3 MeV was assumed to be due to a single line, and angular distribution and resonant absorption experiments were done on it. Nuclear resonance fluorescence was measured up to 9.5 MeV in both 39K and 40Ca using a Ge(Li) detector. Elastic scattering was seen from twelve levels in 40Ca and from seventeen levels in 39K. Inelastic scattering was seen from one level in each nucleus, for which branching ratios were measured. Values of gr 2/r were measured o for each level, and the energies of the levels were determined to 1 or 2 keV. Angular distribution measurements were made in 40Ca , and the spins of the 40Ca levels were determined.","abstract_html":"Average photon elastic scattering was surveyed from 6.6 to 13.6 MeV in 40 Ca using tagged photons of resolution 60 to 200 keV and a NaI scintillation detector. Strength was seen at 6.9 and 10.3 MeV. The strength at 10.3 MeV was assumed to be due to a single line, and angular distribution and resonant absorption experiments were done on it. Nuclear resonance fluorescence was measured up to 9.5 MeV in both 39K and 40Ca using a Ge(Li) detector. Elastic scattering was seen from twelve levels in 40Ca and from seventeen levels in 39K. Inelastic scattering was seen from one level in each nucleus, for which branching ratios were measured. Values of gr 2/r were measured o for each level, and the energies of the levels were determined to 1 or 2 keV. Angular distribution measurements were made in 40Ca , and the spins of the 40Ca levels were determined.","abstract_has_math":false,"creators":["Sandefur, William Marion"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Sutton, D.C."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-07-01T17:32:35Z","date_published":"2011-07-01T17:32:35Z","updated_at":"2026-07-22T22:25:24Z","subjects":["photon scattering","angular distribution","resonant absorption","nuclear resonance fluorescence"],"languages":["en"],"rights":["1977 William Marion Sandefur"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["252906"],"render_values":[{"text":"252906","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25622","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Sutton, D.C."]},{"key":"dc:creator","label":"Author","values":["Sandefur, William Marion"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-07-01T17:32:35Z","10000-01-01","1977"]},{"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":["photon scattering","angular distribution","resonant absorption","nuclear resonance fluorescence"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1977 William Marion Sandefur"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["252906","http://hdl.handle.net/2142/25622"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Average photon elastic scattering was surveyed from 6.6 to 13.6 MeV in 40 Ca using tagged photons of resolution 60 to 200 keV and a NaI scintillation detector. Strength was seen at 6.9 and 10.3 MeV. The strength at 10.3 MeV was assumed to be due to a single line, and angular distribution and resonant absorption experiments were done on it. Nuclear resonance fluorescence was measured up to 9.5 MeV in both 39K and 40Ca using a Ge(Li) detector. Elastic scattering was seen from twelve levels in 40Ca and from seventeen levels in 39K. Inelastic scattering was seen from one level in each nucleus, for which branching ratios were measured. Values of gr 2/r were measured o for each level, and the energies of the levels were determined to 1 or 2 keV. Angular distribution measurements were made in 40Ca , and the spins of the 40Ca levels were determined.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-01T17:32:35Z No. of bitstreams: 1 1977_sandefur.pdf: 5093980 bytes, checksum: a61d1714aa4d26c1f0e31fc671affb1c (MD5)","Made available in DSpace on 2011-07-01T17:32:35Z (GMT). No. of bitstreams: 1 1977_sandefur.pdf: 5093980 bytes, checksum: a61d1714aa4d26c1f0e31fc671affb1c (MD5) Previous issue date: 1977","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-01T17:32:35Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:28:01-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Photon scattering from 40Ca and 39K up to 14 MeV"]}]}],"canonical_facts":{"dc:contributor":["Sutton, D.C."],"dc:creator":["Sandefur, William Marion"],"dc:date":["2011-07-01T17:32:35Z","10000-01-01","1977"],"dc:description":["Average photon elastic scattering was surveyed from 6.6 to 13.6 MeV in 40 Ca using tagged photons of resolution 60 to 200 keV and a NaI scintillation detector. Strength was seen at 6.9 and 10.3 MeV. The strength at 10.3 MeV was assumed to be due to a single line, and angular distribution and resonant absorption experiments were done on it. Nuclear resonance fluorescence was measured up to 9.5 MeV in both 39K and 40Ca using a Ge(Li) detector. Elastic scattering was seen from twelve levels in 40Ca and from seventeen levels in 39K. Inelastic scattering was seen from one level in each nucleus, for which branching ratios were measured. Values of gr 2/r were measured o for each level, and the energies of the levels were determined to 1 or 2 keV. Angular distribution measurements were made in 40Ca , and the spins of the 40Ca levels were determined.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-01T17:32:35Z No. of bitstreams: 1 1977_sandefur.pdf: 5093980 bytes, checksum: a61d1714aa4d26c1f0e31fc671affb1c (MD5)","Made available in DSpace on 2011-07-01T17:32:35Z (GMT). No. of bitstreams: 1 1977_sandefur.pdf: 5093980 bytes, checksum: a61d1714aa4d26c1f0e31fc671affb1c (MD5) Previous issue date: 1977","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-01T17:32:35Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:28:01-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["252906","http://hdl.handle.net/2142/25622"],"dc:language":["en"],"dc:rights":["1977 William Marion Sandefur"],"dc:subject":["photon scattering","angular distribution","resonant absorption","nuclear resonance fluorescence"],"dc:title":["Photon scattering from 40Ca and 39K up to 14 MeV"],"dc:type":["Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:24Z"}