{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/77373"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/77373","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Measurement of Chi(3510) and Chi(3555) Production in 190 Gev/c Negative Pion-Beryllium Interactions","abstract":"Charmonium production in 190 GeV/c (pi)('-)-Be interactions has been observed. The states (chi)(3510) and (chi)(3555)are seen through their radiative decay into J/(psi), and are found to correspond to 0.29 (+OR-) 0.09 of total J/(psi) production for J/(psi)'s with x(,f) > 0.2. The rate of production for the two (chi) states appears as B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.60 (+OR-) 0.35. The fraction of J/(psi)'s produced through (chi) decay appears to rise with higher x(,f). For J/(psi)'s with x(,f) > 0.42, (chi) decay is responsible for 0.345 (+OR-) 0.09 of the total J/(psi) sample, with the two states produced at the rate B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.82 (+OR-) 0.45.","abstract_html":"Charmonium production in 190 GeV/c (pi)('-)-Be interactions has been observed. The states (chi)(3510) and (chi)(3555)are seen through their radiative decay into J/(psi), and are found to correspond to 0.29 (+OR-) 0.09 of total J/(psi) production for J/(psi)'s with x(,f) > 0.2. The rate of production for the two (chi) states appears as B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.60 (+OR-) 0.35. The fraction of J/(psi)'s produced through (chi) decay appears to rise with higher x(,f). For J/(psi)'s with x(,f) > 0.42, (chi) decay is responsible for 0.345 (+OR-) 0.09 of the total J/(psi) sample, with the two states produced at the rate B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.82 (+OR-) 0.45.","abstract_has_math":false,"creators":["Lukens, Patrick Thomas"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-05-13T15:41:44Z","date_published":"2015-05-13T15:41:44Z","updated_at":"2026-07-22T22:26:10Z","subjects":["Physics, Elementary Particles and High Energy"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8502227"],"render_values":[{"text":"(UMI)AAI8502227","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/77373","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Lukens, Patrick Thomas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-05-13T15:41:44Z","10000-01-01","1984"]},{"key":"dc:type","label":"Dc Type","values":["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."]},{"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"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/77373","(UMI)AAI8502227"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Charmonium production in 190 GeV/c (pi)('-)-Be interactions has been observed. The states (chi)(3510) and (chi)(3555)are seen through their radiative decay into J/(psi), and are found to correspond to 0.29 (+OR-) 0.09 of total J/(psi) production for J/(psi)'s with x(,f) > 0.2. The rate of production for the two (chi) states appears as B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.60 (+OR-) 0.35. The fraction of J/(psi)'s produced through (chi) decay appears to rise with higher x(,f). For J/(psi)'s with x(,f) > 0.42, (chi) decay is responsible for 0.345 (+OR-) 0.09 of the total J/(psi) sample, with the two states produced at the rate B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.82 (+OR-) 0.45.","Made available in DSpace on 2015-05-13T15:41:44Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 8502227.PDF: 3860329 bytes, checksum: 7ffd57f990b11fce7c52cfaf28260d44 (MD5) Previous issue date: 1984","Embargo set by: Seth Robbins for item 78584 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","168 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984."]},{"key":"dc:title","label":"Title","values":["Measurement of Chi(3510) and Chi(3555) Production in 190 Gev/c Negative Pion-Beryllium Interactions"]}]}],"canonical_facts":{"dc:creator":["Lukens, Patrick Thomas"],"dc:date":["2015-05-13T15:41:44Z","10000-01-01","1984"],"dc:description":["Charmonium production in 190 GeV/c (pi)('-)-Be interactions has been observed. The states (chi)(3510) and (chi)(3555)are seen through their radiative decay into J/(psi), and are found to correspond to 0.29 (+OR-) 0.09 of total J/(psi) production for J/(psi)'s with x(,f) > 0.2. The rate of production for the two (chi) states appears as B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.60 (+OR-) 0.35. The fraction of J/(psi)'s produced through (chi) decay appears to rise with higher x(,f). For J/(psi)'s with x(,f) > 0.42, (chi) decay is responsible for 0.345 (+OR-) 0.09 of the total J/(psi) sample, with the two states produced at the rate B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.82 (+OR-) 0.45.","Made available in DSpace on 2015-05-13T15:41:44Z (GMT). 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