{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/28702"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/28702","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Charged Pion Photoproduction Cross Section and Beam Asymmetry Measurement on HD","abstract":"The charged pion production reactions d(gamma,pi<sup>+</sup>n), d(gamma,pi<sup>-</sup>p), HD(gamma,pi<sup>+</sup>n)X were studied using linearly polarized gamma-rays with energies in the range from 260 MeV to 370 MeV at the Laser Electron Gamma Source (LEGS). A solid HD target was used in this experiment for the first time. The beam asymmetry data for the d(gamma,pi<sup>-</sup>p) reaction significantly add to the previously available data. This gives new input to multipole analysis of pion production. A slight deviation from the beam asymmetry predicted for the free neutron is observed. The cross sections in the d(gamma,pi<sup>-</sup>p) channel agree with previous measurements.","abstract_html":"The charged pion production reactions d(gamma,pi&lt;sup&gt;+&lt;/sup&gt;n), d(gamma,pi&lt;sup&gt;-&lt;/sup&gt;p), HD(gamma,pi&lt;sup&gt;+&lt;/sup&gt;n)X were studied using linearly polarized gamma-rays with energies in the range from 260 MeV to 370 MeV at the Laser Electron Gamma Source (LEGS). A solid HD target was used in this experiment for the first time. The beam asymmetry data for the d(gamma,pi&lt;sup&gt;-&lt;/sup&gt;p) reaction significantly add to the previously available data. This gives new input to multipole analysis of pion production. A slight deviation from the beam asymmetry predicted for the free neutron is observed. The cross sections in the d(gamma,pi&lt;sup&gt;-&lt;/sup&gt;p) channel agree with previous measurements.","abstract_has_math":false,"creators":["Meyer, Holger"],"institution":"Virginia Tech","degree_name":"Ph. D.","degree_level":"doctoral","degree_discipline":"Physics","degree_department":"Physics","school":null,"contributors":[],"advisors":[],"committee_chairs":["Blecher, Marvin"],"committee_members":["Vogelaar, R. Bruce","Ficenec, John R.","Sandorfi, Andrew","Slawny, Joseph"],"year":2002,"date_issued":"2002-08-08","date_published":"2002-08-08","updated_at":"2026-07-22T22:18:50Z","subjects":["HD-target","Photoproduction","Beam Asymmetry","Cross Section","Polarization"],"languages":[],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-08182002-122903"],"render_values":[{"text":"etd-08182002-122903","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/28702","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Blecher, Marvin"]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Vogelaar, R. Bruce","Ficenec, John R.","Sandorfi, Andrew","Slawny, Joseph"]},{"key":"dc:contributor.department","label":"Department","values":["Physics"]},{"key":"dc:creator","label":"Author","values":["Meyer, Holger"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T20:15:22Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T20:15:22Z","2003-08-23"]},{"key":"dc:date.issued","label":"Date","values":["2002-08-08"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["doctoral"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph. D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["HD-target","Photoproduction","Beam Asymmetry","Cross Section","Polarization"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-08182002-122903"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/28702"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The charged pion production reactions d(gamma,pi<sup>+</sup>n), d(gamma,pi<sup>-</sup>p), HD(gamma,pi<sup>+</sup>n)X were studied using linearly polarized gamma-rays with energies in the range from 260 MeV to 370 MeV at the Laser Electron Gamma Source (LEGS). A solid HD target was used in this experiment for the first time. The beam asymmetry data for the d(gamma,pi<sup>-</sup>p) reaction significantly add to the previously available data. This gives new input to multipole analysis of pion production. A slight deviation from the beam asymmetry predicted for the free neutron is observed. The cross sections in the d(gamma,pi<sup>-</sup>p) channel agree with previous measurements."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Ph. D."]},{"key":"dc:title","label":"Title","values":["Charged Pion Photoproduction Cross Section and Beam Asymmetry Measurement on HD"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Blecher, Marvin"],"dc:contributor.committeemember":["Vogelaar, R. Bruce","Ficenec, John R.","Sandorfi, Andrew","Slawny, Joseph"],"dc:contributor.department":["Physics"],"dc:creator":["Meyer, Holger"],"dc:date.accessioned":["2014-03-14T20:15:22Z"],"dc:date.available":["2014-03-14T20:15:22Z","2003-08-23"],"dc:date.issued":["2002-08-08"],"dc:description.abstract":["The charged pion production reactions d(gamma,pi<sup>+</sup>n), d(gamma,pi<sup>-</sup>p), HD(gamma,pi<sup>+</sup>n)X were studied using linearly polarized gamma-rays with energies in the range from 260 MeV to 370 MeV at the Laser Electron Gamma Source (LEGS). A solid HD target was used in this experiment for the first time. The beam asymmetry data for the d(gamma,pi<sup>-</sup>p) reaction significantly add to the previously available data. This gives new input to multipole analysis of pion production. A slight deviation from the beam asymmetry predicted for the free neutron is observed. The cross sections in the d(gamma,pi<sup>-</sup>p) channel agree with previous measurements."],"dc:description.degree":["Ph. D."],"dc:identifier.other":["etd-08182002-122903"],"dc:identifier.uri":["http://hdl.handle.net/10919/28702"],"dc:publisher":["Virginia Tech"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:subject":["HD-target","Photoproduction","Beam Asymmetry","Cross Section","Polarization"],"dc:title":["Charged Pion Photoproduction Cross Section and Beam Asymmetry Measurement on HD"],"dc:type":["Dissertation"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["doctoral"],"thesis:degree_name":["Ph. D."],"thesis:institution_name":["Virginia Polytechnic Institute and State University"]},"updated_at":"2026-07-22T22:18:50Z"}