{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/23886"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/23886","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Hadroproduction of Lamda c̳ [arrow] pK[pi]","abstract":"\"Production of the charmed baryon Ac has been observed in n-nucleus collisions at the Proton East area of FNAL. A 50' peak was seen in the decay mode At -+ pK-7r+ (and charge congugate). The lifetime was determined to be consistent with the current world average of 0.23 ps, and the cross section for At at Vi = 33 Ge V was measured to be 0\"\" BR = 2.1 ± 1.1 (±.74)llb/nucleon for 0.028 < xI < 0.226. The fraction of At / (At + A; ) was estimated to be 78% ± 18%.\"","abstract_html":"&quot;Production of the charmed baryon Ac has been observed in n-nucleus collisions at the Proton East area of FNAL. A 50&#x27; peak was seen in the decay mode At -+ pK-7r+ (and charge congugate). The lifetime was determined to be consistent with the current world average of 0.23 ps, and the cross section for At at Vi = 33 Ge V was measured to be 0&quot;&quot; BR = 2.1 ± 1.1 (±.74)llb/nucleon for 0.028 &lt; xI &lt; 0.226. The fraction of At / (At + A; ) was estimated to be 78% ± 18%.&quot;","abstract_has_math":false,"creators":["Filaseta, John Eugene"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Wiss, J.E."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-16T18:49:09Z","date_published":"2011-05-16T18:49:09Z","updated_at":"2026-07-22T22:25:22Z","subjects":["hadroproduction","charmed baryon","n-nucleus collisions","Proton East FNAL"],"languages":["en"],"rights":["1987 John Eugene Filaseta"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["1855544"],"render_values":[{"text":"1855544","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/23886","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Wiss, J.E."]},{"key":"dc:creator","label":"Author","values":["Filaseta, John Eugene"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-16T18:49:09Z","10000-01-01","1987"]},{"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":["hadroproduction","charmed baryon","n-nucleus collisions","Proton East FNAL"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1987 John Eugene Filaseta"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["1855544","http://hdl.handle.net/2142/23886"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["\"Production of the charmed baryon Ac has been observed in n-nucleus collisions at the Proton East area of FNAL. A 50' peak was seen in the decay mode At -+ pK-7r+ (and charge congugate). The lifetime was determined to be consistent with the current world average of 0.23 ps, and the cross section for At at Vi = 33 Ge V was measured to be 0\"\" BR = 2.1 ± 1.1 (±.74)llb/nucleon for 0.028 < xI < 0.226. The fraction of At / (At + A; ) was estimated to be 78% ± 18%.\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T18:49:09Z No. of bitstreams: 1 1987_filaseta.pdf: 4707865 bytes, checksum: e5d9b0771916b465834b2d506a1c827c (MD5)","Made available in DSpace on 2011-05-16T18:49:09Z (GMT). No. of bitstreams: 1 1987_filaseta.pdf: 4707865 bytes, checksum: e5d9b0771916b465834b2d506a1c827c (MD5) Previous issue date: 1987","Restriction data tranferred 2014-07-01T11:13:08-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T18:49:09Z Item is restricted indefinitely.","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Hadroproduction of Lamda c̳ [arrow] pK[pi]"]}]}],"canonical_facts":{"dc:contributor":["Wiss, J.E."],"dc:creator":["Filaseta, John Eugene"],"dc:date":["2011-05-16T18:49:09Z","10000-01-01","1987"],"dc:description":["\"Production of the charmed baryon Ac has been observed in n-nucleus collisions at the Proton East area of FNAL. A 50' peak was seen in the decay mode At -+ pK-7r+ (and charge congugate). The lifetime was determined to be consistent with the current world average of 0.23 ps, and the cross section for At at Vi = 33 Ge V was measured to be 0\"\" BR = 2.1 ± 1.1 (±.74)llb/nucleon for 0.028 < xI < 0.226. The fraction of At / (At + A; ) was estimated to be 78% ± 18%.\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T18:49:09Z No. of bitstreams: 1 1987_filaseta.pdf: 4707865 bytes, checksum: e5d9b0771916b465834b2d506a1c827c (MD5)","Made available in DSpace on 2011-05-16T18:49:09Z (GMT). No. of bitstreams: 1 1987_filaseta.pdf: 4707865 bytes, checksum: e5d9b0771916b465834b2d506a1c827c (MD5) Previous issue date: 1987","Restriction data tranferred 2014-07-01T11:13:08-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-16T18:49:09Z Item is restricted indefinitely.","Thesis","U of I Only"],"dc:identifier":["1855544","http://hdl.handle.net/2142/23886"],"dc:language":["en"],"dc:rights":["1987 John Eugene Filaseta"],"dc:subject":["hadroproduction","charmed baryon","n-nucleus collisions","Proton East FNAL"],"dc:title":["Hadroproduction of Lamda c̳ [arrow] pK[pi]"],"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"}