{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25321"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25321","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 piminus-beryllium interactions","abstract":"\"Charmonium production in 190 GeV/c pi--Be interactions has been observed. The states 1(3510) and X(3555) are seen through their radiative decay into J/psi , and are found to correspond to 0.29 +- 0.09 of total J/psi' production for J/psi's with xf > 0.2. The rate of production for the two X states appears as Ba(X(3555)/Bc(X(3510) = 0.60 + 0.35. The fraction of J/~'s produced through X decay appears to rise with higher xf . For J/psi's wf > 0 42, X decay 1\"\"th x f X is responsible for 0.345 + 0.09 of the total J/, sample, with the two states produced at the rate Bc(X(3555)/Ba(X(3510) = 0.82 +- 0.45.\"","abstract_html":""Charmonium production in 190 GeV/c pi--Be interactions has been observed. The states 1(3510) and X(3555) are seen through their radiative decay into J/psi , and are found to correspond to 0.29 +- 0.09 of total J/psi' production for J/psi's with xf > 0.2. The rate of production for the two X states appears as Ba(X(3555)/Bc(X(3510) = 0.60 + 0.35. The fraction of J/~'s produced through X decay appears to rise with higher xf . For J/psi's wf > 0 42, X decay 1""th x f X is responsible for 0.345 + 0.09 of the total J/, sample, with the two states produced at the rate Bc(X(3555)/Ba(X(3510) = 0.82 +- 0.45."","abstract_has_math":false,"creators":["Lukens, Patrick Thomas"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Holloway, L.E.","Kruse, U.E."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-06-07T15:54:01Z","date_published":"2011-06-07T15:54:01Z","updated_at":"2026-07-22T22:25:24Z","subjects":["chi production","piminus-beryllium interactions","charmonium production"],"languages":["en"],"rights":["1984 Patrick Thomas Lukens"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["824792"],"render_values":[{"text":"824792","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25321","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Holloway, L.E.","Kruse, U.E."]},{"key":"dc:creator","label":"Author","values":["Lukens, Patrick Thomas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-06-07T15:54:01Z","10000-01-01","1984"]},{"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":["chi production","piminus-beryllium interactions","charmonium production"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1984 Patrick Thomas Lukens"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["824792","http://hdl.handle.net/2142/25321"]}]},{"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 1(3510) and X(3555) are seen through their radiative decay into J/psi , and are found to correspond to 0.29 +- 0.09 of total J/psi' production for J/psi's with xf > 0.2. The rate of production for the two X states appears as Ba(X(3555)/Bc(X(3510) = 0.60 + 0.35. The fraction of J/~'s produced through X decay appears to rise with higher xf . For J/psi's wf > 0 42, X decay 1\"\"th x f X is responsible for 0.345 + 0.09 of the total J/, sample, with the two states produced at the rate Bc(X(3555)/Ba(X(3510) = 0.82 +- 0.45.\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T15:54:01Z No. of bitstreams: 1 1984_lukens.pdf: 4219208 bytes, checksum: 0e11f03fa7b7bf606188abc6c3c680c6 (MD5)","Made available in DSpace on 2011-06-07T15:54:01Z (GMT). No. of bitstreams: 1 1984_lukens.pdf: 4219208 bytes, checksum: 0e11f03fa7b7bf606188abc6c3c680c6 (MD5) Previous issue date: 1984","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T15:54:01Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:13:19-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Measurement of chi (3510) and chi (3555) production in 190 gev/c piminus-beryllium interactions"]}]}],"canonical_facts":{"dc:contributor":["Holloway, L.E.","Kruse, U.E."],"dc:creator":["Lukens, Patrick Thomas"],"dc:date":["2011-06-07T15:54:01Z","10000-01-01","1984"],"dc:description":["\"Charmonium production in 190 GeV/c pi--Be interactions has been observed. The states 1(3510) and X(3555) are seen through their radiative decay into J/psi , and are found to correspond to 0.29 +- 0.09 of total J/psi' production for J/psi's with xf > 0.2. The rate of production for the two X states appears as Ba(X(3555)/Bc(X(3510) = 0.60 + 0.35. The fraction of J/~'s produced through X decay appears to rise with higher xf . For J/psi's wf > 0 42, X decay 1\"\"th x f X is responsible for 0.345 + 0.09 of the total J/, sample, with the two states produced at the rate Bc(X(3555)/Ba(X(3510) = 0.82 +- 0.45.\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T15:54:01Z No. of bitstreams: 1 1984_lukens.pdf: 4219208 bytes, checksum: 0e11f03fa7b7bf606188abc6c3c680c6 (MD5)","Made available in DSpace on 2011-06-07T15:54:01Z (GMT). No. of bitstreams: 1 1984_lukens.pdf: 4219208 bytes, checksum: 0e11f03fa7b7bf606188abc6c3c680c6 (MD5) Previous issue date: 1984","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T15:54:01Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:13:19-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["824792","http://hdl.handle.net/2142/25321"],"dc:language":["en"],"dc:rights":["1984 Patrick Thomas Lukens"],"dc:subject":["chi production","piminus-beryllium interactions","charmonium production"],"dc:title":["Measurement of chi (3510) and chi (3555) production in 190 gev/c piminus-beryllium interactions"],"dc:type":["Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:24Z"}