{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/26162"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/26162","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Measurement of direct CP asymmetry in B± → J/ K± decays produced in pp̅ collisions at √s = 1.96TeV","abstract":"A measurement of direct CP asymmetry is performed using 6fb−1 of pp̄ collisions at √s = 1.96TeV from the CDF detector at the Fermi National Accelerator Laboratory. Approximately 80,000 B− → J/ K− (and charge conjugate) events were selected on the dimuon trigger and the yields were determined using a simultaneous mass and lifetime fit. After corrections, a measurement of ACP = 0.0034 ± 0.0043(stat.) ± 0.0060(syst.) is obtained, which is consistent with the SM prediction and previous measurements at DØ and the B factories.","abstract_html":"A measurement of direct CP asymmetry is performed using 6fb−1 of pp̄ collisions at √s = 1.96TeV from the CDF detector at the Fermi National Accelerator Laboratory. Approximately 80,000 B− → J/ K− (and charge conjugate) events were selected on the dimuon trigger and the yields were determined using a simultaneous mass and lifetime fit. After corrections, a measurement of ACP = 0.0034 ± 0.0043(stat.) ± 0.0060(syst.) is obtained, which is consistent with the SM prediction and previous measurements at DØ and the B factories.","abstract_has_math":false,"creators":["Thompson, Gregory A."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Pitts, Kevin T.","Liss, Tony M.","Gladding, G.E.","Stack, John D."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-08-25T22:16:50Z","date_published":"2011-08-25T22:16:50Z","updated_at":"2026-07-22T22:25:26Z","subjects":["CP Asymmetry","Collider Detector at Fermilab (CDF)","CP (charge particle)"],"languages":["en"],"rights":["Copyright 2011 Gregory Andrew Thompson"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/26162","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Pitts, Kevin T.","Liss, Tony M.","Gladding, G.E.","Stack, John D."]},{"key":"dc:creator","label":"Author","values":["Thompson, Gregory A."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-08-25T22:16:50Z","2011-08"]},{"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."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["CP Asymmetry","Collider Detector at Fermilab (CDF)","CP (charge particle)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2011 Gregory Andrew Thompson"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/26162"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A measurement of direct CP asymmetry is performed using 6fb−1 of pp̄ collisions at √s = 1.96TeV from the CDF detector at the Fermi National Accelerator Laboratory. Approximately 80,000 B− → J/ K− (and charge conjugate) events were selected on the dimuon trigger and the yields were determined using a simultaneous mass and lifetime fit. After corrections, a measurement of ACP = 0.0034 ± 0.0043(stat.) ± 0.0060(syst.) is obtained, which is consistent with the SM prediction and previous measurements at DØ and the B factories.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2011-06-06T13:22:55Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 thesis_uiuc.tex: 246769 bytes, checksum: d8816f1233362fd2d44a2bb4e4b8c05c (MD5) Thompson_Gregory.pdf: 58439475 bytes, checksum: d0e1e5504f88c024272e14c8b2175c3d (MD5)","Made available in DSpace on 2011-08-25T22:16:50Z (GMT). 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After corrections, a measurement of ACP = 0.0034 ± 0.0043(stat.) ± 0.0060(syst.) is obtained, which is consistent with the SM prediction and previous measurements at DØ and the B factories.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2011-06-06T13:22:55Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 thesis_uiuc.tex: 246769 bytes, checksum: d8816f1233362fd2d44a2bb4e4b8c05c (MD5) Thompson_Gregory.pdf: 58439475 bytes, checksum: d0e1e5504f88c024272e14c8b2175c3d (MD5)","Made available in DSpace on 2011-08-25T22:16:50Z (GMT). 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