{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25249"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25249","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Direct measurement of the decays of charmed D mesons","abstract":"Charmed D mesons produced in the decay of the t/1(3770) are observed by the Mark III detector at SPEAR. A new technique is applied to these data to derive D branching fractions which do not rely on the measurement of D production cross sections. Measurements are presented for three decay modes of the D0 ( K-1pi+, K-1pi-1pi+ 1pi+ and K-1pi+ 1pi0 ) and four decay modes of the n+ ( K-1pi+ 1pi+, K-1pi+1pi+1pi0 , K-1pi+ and K-1pi+1pi0 ). The resulting branching fractions are significantly larger than previous measurements.","abstract_html":"Charmed D mesons produced in the decay of the t/1(3770) are observed by the Mark III detector at SPEAR. A new technique is applied to these data to derive D branching fractions which do not rely on the measurement of D production cross sections. Measurements are presented for three decay modes of the D0 ( K-1pi+, K-1pi-1pi+ 1pi+ and K-1pi+ 1pi0 ) and four decay modes of the n+ ( K-1pi+ 1pi+, K-1pi+1pi+1pi0 , K-1pi+ and K-1pi+1pi0 ). The resulting branching fractions are significantly larger than previous measurements.","abstract_has_math":false,"creators":["Blaylock, Guy Thomas"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Eisenstein, Bob I."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-06-03T14:58:05Z","date_published":"2011-06-03T14:58:05Z","updated_at":"2026-07-22T22:25:24Z","subjects":["charmed D mesons","D branching fractions","decay modes"],"languages":["en"],"rights":["1986 Guy Thomas Blaylock"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["977333"],"render_values":[{"text":"977333","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25249","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Eisenstein, Bob I."]},{"key":"dc:creator","label":"Author","values":["Blaylock, Guy Thomas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-06-03T14:58:05Z","10000-01-01","1986"]},{"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 branching fractions","decay modes"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1986 Guy Thomas Blaylock"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["977333","http://hdl.handle.net/2142/25249"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Charmed D mesons produced in the decay of the t/1(3770) are observed by the Mark III detector at SPEAR. A new technique is applied to these data to derive D branching fractions which do not rely on the measurement of D production cross sections. Measurements are presented for three decay modes of the D0 ( K-1pi+, K-1pi-1pi+ 1pi+ and K-1pi+ 1pi0 ) and four decay modes of the n+ ( K-1pi+ 1pi+, K-1pi+1pi+1pi0 , K-1pi+ and K-1pi+1pi0 ). The resulting branching fractions are significantly larger than previous measurements.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-03T14:58:05Z No. of bitstreams: 1 1986_blaylock.pdf: 6871475 bytes, checksum: c012d58635816a97f1014aa2dc6a3d95 (MD5)","Made available in DSpace on 2011-06-03T14:58:05Z (GMT). No. of bitstreams: 1 1986_blaylock.pdf: 6871475 bytes, checksum: c012d58635816a97f1014aa2dc6a3d95 (MD5) Previous issue date: 1986","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-03T14:58:05Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:11:26-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Direct measurement of the decays of charmed D mesons"]}]}],"canonical_facts":{"dc:contributor":["Eisenstein, Bob I."],"dc:creator":["Blaylock, Guy Thomas"],"dc:date":["2011-06-03T14:58:05Z","10000-01-01","1986"],"dc:description":["Charmed D mesons produced in the decay of the t/1(3770) are observed by the Mark III detector at SPEAR. A new technique is applied to these data to derive D branching fractions which do not rely on the measurement of D production cross sections. Measurements are presented for three decay modes of the D0 ( K-1pi+, K-1pi-1pi+ 1pi+ and K-1pi+ 1pi0 ) and four decay modes of the n+ ( K-1pi+ 1pi+, K-1pi+1pi+1pi0 , K-1pi+ and K-1pi+1pi0 ). The resulting branching fractions are significantly larger than previous measurements.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-03T14:58:05Z No. of bitstreams: 1 1986_blaylock.pdf: 6871475 bytes, checksum: c012d58635816a97f1014aa2dc6a3d95 (MD5)","Made available in DSpace on 2011-06-03T14:58:05Z (GMT). No. of bitstreams: 1 1986_blaylock.pdf: 6871475 bytes, checksum: c012d58635816a97f1014aa2dc6a3d95 (MD5) Previous issue date: 1986","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-03T14:58:05Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:11:26-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["977333","http://hdl.handle.net/2142/25249"],"dc:language":["en"],"dc:rights":["1986 Guy Thomas Blaylock"],"dc:subject":["charmed D mesons","D branching fractions","decay modes"],"dc:title":["Direct measurement of the decays of charmed D mesons"],"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"}