{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/23512"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/23512","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Observation of tungsten ---> muon-neutrino decays in proton-antiproton collisions at sqrt. s = 1.8 TeV","abstract":"The inclusive spectrum of charged particles resulting from the decays of stopped positively charged kaons, produced in proton-antiproton annihilations at rest, has been measured with good momentum resolution $(\\delta p/p$ = 1.5%) and high statistics ($\\sim$300,000 potential decays). The data were obtained with the Experiment PS183 magnetic pair spectrometer at LEAR, the Low Energy Antiproton Ring located at CERN, during two running periods: May 1985 and July-August 1986. Peaks corresponding to the reactions $K\\sp+\\to\\pi\\sp+\\pi\\sp0$ and $K\\sp+\\to\\mu\\sp+\\nu\\sb\\mu$ have been measured with high precision resulting in a determination of the relative branching ratio $K\\sp+\\to\\pi\\sp+\\pi\\sp0$/K$\\sp+\\to\\mu\\sp+\\nu\\sb\\mu$ =.3329 $\\pm$.0047 (statistical) $\\pm$.0017 (systematic). This measurement represents the most precise determination of this ratio to date.","abstract_html":"The inclusive spectrum of charged particles resulting from the decays of stopped positively charged kaons, produced in proton-antiproton annihilations at rest, has been measured with good momentum resolution <span class=\"etd-inline-math\">(&delta; p/p</span> = 1.5%) and high statistics ($\\sim$300,000 potential decays). The data were obtained with the Experiment PS183 magnetic pair spectrometer at LEAR, the Low Energy Antiproton Ring located at CERN, during two running periods: May 1985 and July-August 1986. Peaks corresponding to the reactions <span class=\"etd-inline-math\">K\\sp+\\to&pi;\\sp+&pi;\\sp0</span> and <span class=\"etd-inline-math\">K\\sp+\\to&mu;\\sp+\\nu\\sb&mu;</span> have been measured with high precision resulting in a determination of the relative branching ratio <span class=\"etd-inline-math\">K\\sp+\\to&pi;\\sp+&pi;\\sp0</span>/K<span class=\"etd-inline-math\">\\sp+\\to&mu;\\sp+\\nu\\sb&mu;</span> =.3329 $\\pm$.0047 (statistical) $\\pm$.0017 (systematic). This measurement represents the most precise determination of this ratio to date.","abstract_has_math":true,"creators":["Westhusing, Thomas Kevin"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics, Elementary Particles and High Energy","degree_department":null,"school":null,"contributors":["Holloway, L.E."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T14:16:58Z","date_published":"2011-05-07T14:16:58Z","updated_at":"2026-07-22T22:25:22Z","subjects":["Physics, Elementary Particles and High Energy"],"languages":["eng"],"rights":["Copyright 1989 Westhusing, Thomas Kevin"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI8916322","(UMI)AAI8916322"],"render_values":[{"text":"AAI8916322","href":null,"code":true},{"text":"(UMI)AAI8916322","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/23512","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Holloway, L.E."]},{"key":"dc:creator","label":"Author","values":["Westhusing, Thomas Kevin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T14:16:58Z","10000-01-01","1989"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics, Elementary Particles and High Energy"]},{"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":["Physics, Elementary Particles and High Energy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1989 Westhusing, Thomas Kevin"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI8916322","(UMI)AAI8916322","http://hdl.handle.net/2142/23512"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The inclusive spectrum of charged particles resulting from the decays of stopped positively charged kaons, produced in proton-antiproton annihilations at rest, has been measured with good momentum resolution $(\\delta p/p$ = 1.5%) and high statistics ($\\sim$300,000 potential decays). The data were obtained with the Experiment PS183 magnetic pair spectrometer at LEAR, the Low Energy Antiproton Ring located at CERN, during two running periods: May 1985 and July-August 1986. Peaks corresponding to the reactions $K\\sp+\\to\\pi\\sp+\\pi\\sp0$ and $K\\sp+\\to\\mu\\sp+\\nu\\sb\\mu$ have been measured with high precision resulting in a determination of the relative branching ratio $K\\sp+\\to\\pi\\sp+\\pi\\sp0$/K$\\sp+\\to\\mu\\sp+\\nu\\sb\\mu$ =.3329 $\\pm$.0047 (statistical) $\\pm$.0017 (systematic). This measurement represents the most precise determination of this ratio to date.","Made available in DSpace on 2011-05-07T14:16:58Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 8916322.pdf: 3144437 bytes, checksum: f44a1d6ea2f680ca37f0000a0fd2813b (MD5) Previous issue date: 1989","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T15:04:59Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:31:05-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["Observation of tungsten ---> muon-neutrino decays in proton-antiproton collisions at sqrt. s = 1.8 TeV"]}]}],"canonical_facts":{"dc:contributor":["Holloway, L.E."],"dc:creator":["Westhusing, Thomas Kevin"],"dc:date":["2011-05-07T14:16:58Z","10000-01-01","1989"],"dc:description":["The inclusive spectrum of charged particles resulting from the decays of stopped positively charged kaons, produced in proton-antiproton annihilations at rest, has been measured with good momentum resolution $(\\delta p/p$ = 1.5%) and high statistics ($\\sim$300,000 potential decays). The data were obtained with the Experiment PS183 magnetic pair spectrometer at LEAR, the Low Energy Antiproton Ring located at CERN, during two running periods: May 1985 and July-August 1986. Peaks corresponding to the reactions $K\\sp+\\to\\pi\\sp+\\pi\\sp0$ and $K\\sp+\\to\\mu\\sp+\\nu\\sb\\mu$ have been measured with high precision resulting in a determination of the relative branching ratio $K\\sp+\\to\\pi\\sp+\\pi\\sp0$/K$\\sp+\\to\\mu\\sp+\\nu\\sb\\mu$ =.3329 $\\pm$.0047 (statistical) $\\pm$.0017 (systematic). This measurement represents the most precise determination of this ratio to date.","Made available in DSpace on 2011-05-07T14:16:58Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 8916322.pdf: 3144437 bytes, checksum: f44a1d6ea2f680ca37f0000a0fd2813b (MD5) Previous issue date: 1989","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T15:04:59Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:31:05-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI8916322","(UMI)AAI8916322","http://hdl.handle.net/2142/23512"],"dc:language":["eng"],"dc:rights":["Copyright 1989 Westhusing, Thomas Kevin"],"dc:subject":["Physics, Elementary Particles and High Energy"],"dc:title":["Observation of tungsten ---> muon-neutrino decays in proton-antiproton collisions at sqrt. s = 1.8 TeV"],"dc:type":["text"],"thesis:degree_discipline":["Physics, Elementary Particles and High Energy"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:22Z"}