{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/23897"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/23897","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Study of D-star mesons produced in electron positron annihilations at 4.14 GeV center of mass energy","abstract":"Charmed D* mesons produced in e+e-annihilations at a center of mass energy of 4.14 GeV are observed by the Mark III detector at SPEAR. The recoil mass spectrum of the D mesons is used to extract the branching fractions of the charged and neutral D*. Measurements are presented for the two decay modes of the D*O (-'yDo, and :71'0DO) and the three decay modes of the D*+ (-'yD+, :71'0D+ , and :71'+ DO). The quasi-two-body D* D+iY'D, D* D* and two-body DD cross sections are measured. The decay of the D*+ to :71'+ DO is exploited in a search for wrong strangeness events.","abstract_html":"Charmed D* mesons produced in e+e-annihilations at a center of mass energy of 4.14 GeV are observed by the Mark III detector at SPEAR. The recoil mass spectrum of the D mesons is used to extract the branching fractions of the charged and neutral D*. Measurements are presented for the two decay modes of the D*O (-&#x27;yDo, and :71&#x27;0DO) and the three decay modes of the D*+ (-&#x27;yD+, :71&#x27;0D+ , and :71&#x27;+ DO). The quasi-two-body D* D+iY&#x27;D, D* D* and two-body DD cross sections are measured. The decay of the D*+ to :71&#x27;+ DO is exploited in a search for wrong strangeness events.","abstract_has_math":false,"creators":["Simopoulos, Constantine"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Thaler, Jonathan J."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-16T20:43:30Z","date_published":"2011-05-16T20:43:30Z","updated_at":"2026-07-22T22:25:22Z","subjects":["charmed D mesons","D-star mesons","electron positron annihilations"],"languages":["en"],"rights":["Copyright 1988 Constantine Simopoulos"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["3476302"],"render_values":[{"text":"3476302","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/23897","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Thaler, Jonathan J."]},{"key":"dc:creator","label":"Author","values":["Simopoulos, Constantine"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-16T20:43:30Z","10000-01-01","1988"]},{"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":["charmed D mesons","D-star mesons","electron positron annihilations"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1988 Constantine Simopoulos"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["3476302","http://hdl.handle.net/2142/23897"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Charmed D* mesons produced in e+e-annihilations at a center of mass energy of 4.14 GeV are observed by the Mark III detector at SPEAR. The recoil mass spectrum of the D mesons is used to extract the branching fractions of the charged and neutral D*. Measurements are presented for the two decay modes of the D*O (-'yDo, and :71'0DO) and the three decay modes of the D*+ (-'yD+, :71'0D+ , and :71'+ DO). The quasi-two-body D* D+iY'D, D* D* and two-body DD cross sections are measured. The decay of the D*+ to :71'+ DO is exploited in a search for wrong strangeness events.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T20:43:30Z No. of bitstreams: 1 1988_simopoulos.pdf: 3671676 bytes, checksum: 5f62794dca299f3d214d3de209168512 (MD5)","Made available in DSpace on 2011-05-16T20:43:30Z (GMT). No. of bitstreams: 1 1988_simopoulos.pdf: 3671676 bytes, checksum: 5f62794dca299f3d214d3de209168512 (MD5) Previous issue date: 1988","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T20:43:30Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:14:43-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Study of D-star mesons produced in electron positron annihilations at 4.14 GeV center of mass energy"]}]}],"canonical_facts":{"dc:contributor":["Thaler, Jonathan J."],"dc:creator":["Simopoulos, Constantine"],"dc:date":["2011-05-16T20:43:30Z","10000-01-01","1988"],"dc:description":["Charmed D* mesons produced in e+e-annihilations at a center of mass energy of 4.14 GeV are observed by the Mark III detector at SPEAR. The recoil mass spectrum of the D mesons is used to extract the branching fractions of the charged and neutral D*. Measurements are presented for the two decay modes of the D*O (-'yDo, and :71'0DO) and the three decay modes of the D*+ (-'yD+, :71'0D+ , and :71'+ DO). The quasi-two-body D* D+iY'D, D* D* and two-body DD cross sections are measured. The decay of the D*+ to :71'+ DO is exploited in a search for wrong strangeness events.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T20:43:30Z No. of bitstreams: 1 1988_simopoulos.pdf: 3671676 bytes, checksum: 5f62794dca299f3d214d3de209168512 (MD5)","Made available in DSpace on 2011-05-16T20:43:30Z (GMT). No. of bitstreams: 1 1988_simopoulos.pdf: 3671676 bytes, checksum: 5f62794dca299f3d214d3de209168512 (MD5) Previous issue date: 1988","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T20:43:30Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:14:43-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["3476302","http://hdl.handle.net/2142/23897"],"dc:language":["en"],"dc:rights":["Copyright 1988 Constantine Simopoulos"],"dc:subject":["charmed D mesons","D-star mesons","electron positron annihilations"],"dc:title":["Study of D-star mesons produced in electron positron annihilations at 4.14 GeV center of mass energy"],"dc:type":["Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:22Z"}