{"id":{"repo_id":"south-carolina","oai_identifier":"oai:scholarcommons.sc.edu:etd-1430"},"canonical_url":"https://search.dev.ndltd.org/etd/south-carolina/oai:scholarcommons.sc.edu:etd-1430","repository":{"repo_id":"south-carolina","name":"University of South Carolina","base_url":"https://scholarcommons.sc.edu/do/oai/"},"display":{"title":"Photoproduction of the Λ*(1520 Hyperon off Protons and Neutrons In Deuterium","abstract":"<p>The photoproduction of the Λ<sup>*</sup>(1520) off both protons and neutrons in deuterium has been studied using the CLAS eg3 run data. The reactions are γ d → K<sup>+</sup> Λ<sup>*</sup> (n) and γ d → K<sup>0</sup> Λ<sup>*</sup> (p). Preliminary Λ<sup>*</sup>(1520) cross sections and decay angle distributions are extracted in the photon energy region 1.75 GeV < E<sub>γ</sub> < 5.50 GeV. This is the first time that exclusive photoproduction of Λ<sup>*</sup>(1520) on neutrons has been reported. Moreover our results on protons extend to higher energies than the previous studies.</p>","abstract_html":"&lt;p&gt;The photoproduction of the Λ&lt;sup&gt;*&lt;/sup&gt;(1520) off both protons and neutrons in deuterium has been studied using the CLAS eg3 run data. The reactions are γ d → K&lt;sup&gt;+&lt;/sup&gt; Λ&lt;sup&gt;*&lt;/sup&gt; (n) and γ d → K&lt;sup&gt;0&lt;/sup&gt; Λ&lt;sup&gt;*&lt;/sup&gt; (p). Preliminary Λ&lt;sup&gt;*&lt;/sup&gt;(1520) cross sections and decay angle distributions are extracted in the photon energy region 1.75 GeV &lt; E&lt;sub&gt;γ&lt;/sub&gt; &lt; 5.50 GeV. This is the first time that exclusive photoproduction of Λ&lt;sup&gt;*&lt;/sup&gt;(1520) on neutrons has been reported. Moreover our results on protons extend to higher energies than the previous studies.&lt;/p&gt;","abstract_has_math":false,"creators":["Zhao, Zhiwen"],"institution":null,"degree_name":"Ph.D.","degree_level":"Campus Access Dissertation","degree_discipline":"Physics and Astronomy","degree_department":null,"school":null,"contributors":["Ralf W. Gothe"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2010,"date_issued":"2010-01-01T08:00:00Z","date_published":"2010-01-01T08:00:00Z","updated_at":"2026-07-24T04:37:14Z","subjects":["Physical Sciences and Mathematics","Physics","Λ*(1520)","Deuterium","Hyperon","Photoproduction"],"languages":[],"rights":["© 2010, Zhiwen Zhao"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://scholarcommons.sc.edu/etd/429","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Ralf W. Gothe"]},{"key":"dc:creator","label":"Author","values":["Zhao, Zhiwen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics and Astronomy"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Campus Access 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":["Physical Sciences and Mathematics","Physics","Λ*(1520)","Deuterium","Hyperon","Photoproduction"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["© 2010, Zhiwen Zhao"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholarcommons.sc.edu/etd/429"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>The photoproduction of the Λ<sup>*</sup>(1520) off both protons and neutrons in deuterium has been studied using the CLAS eg3 run data. The reactions are γ d → K<sup>+</sup> Λ<sup>*</sup> (n) and γ d → K<sup>0</sup> Λ<sup>*</sup> (p). Preliminary Λ<sup>*</sup>(1520) cross sections and decay angle distributions are extracted in the photon energy region 1.75 GeV < E<sub>γ</sub> < 5.50 GeV. This is the first time that exclusive photoproduction of Λ<sup>*</sup>(1520) on neutrons has been reported. Moreover our results on protons extend to higher energies than the previous studies.</p>"]},{"key":"dc:title","label":"Title","values":["Photoproduction of the Λ*(1520 Hyperon off Protons and Neutrons In Deuterium"]}]}],"canonical_facts":{"dc:contributor":["Ralf W. Gothe"],"dc:creator":["Zhao, Zhiwen"],"dc:description.abstract":["<p>The photoproduction of the Λ<sup>*</sup>(1520) off both protons and neutrons in deuterium has been studied using the CLAS eg3 run data. The reactions are γ d → K<sup>+</sup> Λ<sup>*</sup> (n) and γ d → K<sup>0</sup> Λ<sup>*</sup> (p). Preliminary Λ<sup>*</sup>(1520) cross sections and decay angle distributions are extracted in the photon energy region 1.75 GeV < E<sub>γ</sub> < 5.50 GeV. This is the first time that exclusive photoproduction of Λ<sup>*</sup>(1520) on neutrons has been reported. Moreover our results on protons extend to higher energies than the previous studies.</p>"],"dc:identifier":["https://scholarcommons.sc.edu/etd/429"],"dc:rights":["© 2010, Zhiwen Zhao"],"dc:subject":["Physical Sciences and Mathematics","Physics","Λ*(1520)","Deuterium","Hyperon","Photoproduction"],"dc:title":["Photoproduction of the Λ*(1520 Hyperon off Protons and Neutrons In Deuterium"],"thesis:degree_discipline":["Physics and Astronomy"],"thesis:degree_level":["Campus Access Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-24T04:37:14Z"}