{"id":{"repo_id":"cagliari","oai_identifier":"oai:iris.unica.it:11584/248735"},"canonical_url":"https://search.dev.ndltd.org/etd/cagliari/oai:iris.unica.it:11584/248735","repository":{"repo_id":"cagliari","name":"Università di Cagliari","base_url":"https://iris.unica.it/oai/request"},"display":{"title":"Measurements of the absolute branching fraction of Λc+ → pK-π+ and the relative branching fraction of Bu+ → p π+ π+ Σc(2520)--.","abstract":"The baryonic decay Bu+ → p π+ π+ Σc(2455)-- is exploited in this thesis for two different measurements and constitutes their common element. A measurement of the absolute Λc+ → pK-π+ branching fraction was performed, in a model independent way and for the first time in a hadronic environment, on data recorded by the LHCb experiment during the years 2011 and 2012, corresponding to an integrated luminosity of 3fb-1 . The branching fraction is measured to be B(Λc+ → pK-π+ ) = 0.079 ± 0.015(stat) ± 0.008(syst) In addition, the first observation of the decays Bu+ → p π+ π+ Σc(2520)-- and Bu+ → p π+ π- Σc(2520)0 are reported using the same data sample. The branching fraction of the decay Bu+ → p π+ π+ Σc(2520)-- is measured with respect to the Bu+ → p π+ π+ Σc(2455)-- mode to be B(Bu+ → p π+ π+ Σc(2520)--) = (2.4 ± 0.78(stat) ± 0.64(syst)) · 10-4","abstract_html":"The baryonic decay Bu+ → p π+ π+ Σc(2455)-- is exploited in this thesis for two different measurements and constitutes their common element. A measurement of the absolute Λc+ → pK-π+ branching fraction was performed, in a model independent way and for the first time in a hadronic environment, on data recorded by the LHCb experiment during the years 2011 and 2012, corresponding to an integrated luminosity of 3fb-1 . The branching fraction is measured to be B(Λc+ → pK-π+ ) = 0.079 ± 0.015(stat) ± 0.008(syst) In addition, the first observation of the decays Bu+ → p π+ π+ Σc(2520)-- and Bu+ → p π+ π- Σc(2520)0 are reported using the same data sample. The branching fraction of the decay Bu+ → p π+ π+ Σc(2520)-- is measured with respect to the Bu+ → p π+ π+ Σc(2455)-- mode to be B(Bu+ → p π+ π+ Σc(2520)--) = (2.4 ± 0.78(stat) ± 0.64(syst)) · 10-4","abstract_has_math":false,"creators":["VACCA, CLAUDIA"],"institution":"Università degli Studi di Cagliari","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["SAITTA, BIAGIO"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-03-02","date_published":"2017-03-02","updated_at":"2026-07-24T01:29:59Z","subjects":["Settore FIS/05 - Astronomia e Astrofisica"],"languages":["eng"],"rights":["info:eu-repo/semantics/openAccess"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11584/248735","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["SAITTA, BIAGIO"]},{"key":"dc:creator","label":"Author","values":["VACCA, CLAUDIA"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2017-03-02"]},{"key":"dc:publisher","label":"Institution","values":["Università degli Studi di Cagliari"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/doctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Settore FIS/05 - Astronomia e Astrofisica"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/11584/248735"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The baryonic decay Bu+ → p π+ π+ Σc(2455)-- is exploited in this thesis for two different measurements and constitutes their common element. A measurement of the absolute Λc+ → pK-π+ branching fraction was performed, in a model independent way and for the first time in a hadronic environment, on data recorded by the LHCb experiment during the years 2011 and 2012, corresponding to an integrated luminosity of 3fb-1 . The branching fraction is measured to be B(Λc+ → pK-π+ ) = 0.079 ± 0.015(stat) ± 0.008(syst) In addition, the first observation of the decays Bu+ → p π+ π+ Σc(2520)-- and Bu+ → p π+ π- Σc(2520)0 are reported using the same data sample. The branching fraction of the decay Bu+ → p π+ π+ Σc(2520)-- is measured with respect to the Bu+ → p π+ π+ Σc(2455)-- mode to be B(Bu+ → p π+ π+ Σc(2520)--) = (2.4 ± 0.78(stat) ± 0.64(syst)) · 10-4"]},{"key":"dc:title","label":"Title","values":["Measurements of the absolute branching fraction of Λc+ → pK-π+ and the relative branching fraction of Bu+ → p π+ π+ Σc(2520)--."]}]}],"canonical_facts":{"dc:contributor":["SAITTA, BIAGIO"],"dc:creator":["VACCA, CLAUDIA"],"dc:date":["2017-03-02"],"dc:description":["The baryonic decay Bu+ → p π+ π+ Σc(2455)-- is exploited in this thesis for two different measurements and constitutes their common element. A measurement of the absolute Λc+ → pK-π+ branching fraction was performed, in a model independent way and for the first time in a hadronic environment, on data recorded by the LHCb experiment during the years 2011 and 2012, corresponding to an integrated luminosity of 3fb-1 . The branching fraction is measured to be B(Λc+ → pK-π+ ) = 0.079 ± 0.015(stat) ± 0.008(syst) In addition, the first observation of the decays Bu+ → p π+ π+ Σc(2520)-- and Bu+ → p π+ π- Σc(2520)0 are reported using the same data sample. The branching fraction of the decay Bu+ → p π+ π+ Σc(2520)-- is measured with respect to the Bu+ → p π+ π+ Σc(2455)-- mode to be B(Bu+ → p π+ π+ Σc(2520)--) = (2.4 ± 0.78(stat) ± 0.64(syst)) · 10-4"],"dc:identifier":["http://hdl.handle.net/11584/248735"],"dc:language":["eng"],"dc:publisher":["Università degli Studi di Cagliari"],"dc:rights":["info:eu-repo/semantics/openAccess"],"dc:subject":["Settore FIS/05 - Astronomia e Astrofisica"],"dc:title":["Measurements of the absolute branching fraction of Λc+ → pK-π+ and the relative branching fraction of Bu+ → p π+ π+ Σc(2520)--."],"dc:type":["info:eu-repo/semantics/doctoralThesis"]},"updated_at":"2026-07-24T01:29:59Z"}