{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25688"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25688","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Calculations on production reactions using the absorptive peripheral model","abstract":"We present calculations for the production and decay angular distributions of resonances produced in high energy collisions. The peripheral model with absorption is used in the calculations; only two body meson induced reactions are treated. A comparison between the partial wave summation method~ which is used here, and the earlier impact parameter formalism is given. The reaction K p -> K*N is treated in detail, as both pseudoscalar and vector meson exchanges appear to be important. The possibility of determining the signs of coupling constants from a study of these reactions is discussed. Reactions in which two resonances are produced are analyzed for correlations between the decay angles of the resonances ~ and absorption model predictions for these correlations are compared with experiment. The problem of measuring the branching ratio for the decay po -> e+e- is discussed, first generally and then using absorption model predictions to estimate the effect of the omega -> e+e- decay mode. The exchange of baryons is treated in an attempt to understand the small backward peaks in differential cross sections for some reactions. Absorption model predictions are found to be unreliable for these reactions. The details of the partial wave summation formalism for the exchange of mesons and baryons in meson induced reactions are given in the Appendices.","abstract_html":"We present calculations for the production and decay angular distributions of resonances produced in high energy collisions. The peripheral model with absorption is used in the calculations; only two body meson induced reactions are treated. A comparison between the partial wave summation method~ which is used here, and the earlier impact parameter formalism is given. The reaction K p -> K*N is treated in detail, as both pseudoscalar and vector meson exchanges appear to be important. The possibility of determining the signs of coupling constants from a study of these reactions is discussed. Reactions in which two resonances are produced are analyzed for correlations between the decay angles of the resonances ~ and absorption model predictions for these correlations are compared with experiment. The problem of measuring the branching ratio for the decay po -> e+e- is discussed, first generally and then using absorption model predictions to estimate the effect of the omega -> e+e- decay mode. The exchange of baryons is treated in an attempt to understand the small backward peaks in differential cross sections for some reactions. Absorption model predictions are found to be unreliable for these reactions. The details of the partial wave summation formalism for the exchange of mesons and baryons in meson induced reactions are given in the Appendices.","abstract_has_math":false,"creators":["Donohue, John Thomas"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Jackson, J.D."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-07-07T15:28:18Z","date_published":"2011-07-07T15:28:18Z","updated_at":"2026-07-22T22:25:26Z","subjects":["absorption peripheral model","production and decay angular distributions","high energy collisions","two body mesons","partial wave summation method"],"languages":["en"],"rights":["1967 John Thomas Donohue"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["3033588"],"render_values":[{"text":"3033588","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25688","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Jackson, J.D."]},{"key":"dc:creator","label":"Author","values":["Donohue, John Thomas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-07-07T15:28:18Z","10000-01-01","1967"]},{"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":["absorption peripheral model","production and decay angular distributions","high energy collisions","two body mesons","partial wave summation method"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1967 John Thomas Donohue"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["3033588","http://hdl.handle.net/2142/25688"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["We present calculations for the production and decay angular distributions of resonances produced in high energy collisions. The peripheral model with absorption is used in the calculations; only two body meson induced reactions are treated. A comparison between the partial wave summation method~ which is used here, and the earlier impact parameter formalism is given. The reaction K p -> K*N is treated in detail, as both pseudoscalar and vector meson exchanges appear to be important. The possibility of determining the signs of coupling constants from a study of these reactions is discussed. Reactions in which two resonances are produced are analyzed for correlations between the decay angles of the resonances ~ and absorption model predictions for these correlations are compared with experiment. The problem of measuring the branching ratio for the decay po -> e+e- is discussed, first generally and then using absorption model predictions to estimate the effect of the omega -> e+e- decay mode. The exchange of baryons is treated in an attempt to understand the small backward peaks in differential cross sections for some reactions. Absorption model predictions are found to be unreliable for these reactions. The details of the partial wave summation formalism for the exchange of mesons and baryons in meson induced reactions are given in the Appendices.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-07T15:28:18Z No. of bitstreams: 1 1967_donohue.pdf: 6517989 bytes, checksum: 1022e5409cb045b6348db9847bdc9cc4 (MD5)","Made available in DSpace on 2011-07-07T15:28:18Z (GMT). No. of bitstreams: 1 1967_donohue.pdf: 6517989 bytes, checksum: 1022e5409cb045b6348db9847bdc9cc4 (MD5) Previous issue date: 1967","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-07T15:28:18Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:32:41-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Calculations on production reactions using the absorptive peripheral model"]}]}],"canonical_facts":{"dc:contributor":["Jackson, J.D."],"dc:creator":["Donohue, John Thomas"],"dc:date":["2011-07-07T15:28:18Z","10000-01-01","1967"],"dc:description":["We present calculations for the production and decay angular distributions of resonances produced in high energy collisions. The peripheral model with absorption is used in the calculations; only two body meson induced reactions are treated. A comparison between the partial wave summation method~ which is used here, and the earlier impact parameter formalism is given. The reaction K p -> K*N is treated in detail, as both pseudoscalar and vector meson exchanges appear to be important. The possibility of determining the signs of coupling constants from a study of these reactions is discussed. Reactions in which two resonances are produced are analyzed for correlations between the decay angles of the resonances ~ and absorption model predictions for these correlations are compared with experiment. The problem of measuring the branching ratio for the decay po -> e+e- is discussed, first generally and then using absorption model predictions to estimate the effect of the omega -> e+e- decay mode. The exchange of baryons is treated in an attempt to understand the small backward peaks in differential cross sections for some reactions. Absorption model predictions are found to be unreliable for these reactions. The details of the partial wave summation formalism for the exchange of mesons and baryons in meson induced reactions are given in the Appendices.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-07T15:28:18Z No. of bitstreams: 1 1967_donohue.pdf: 6517989 bytes, checksum: 1022e5409cb045b6348db9847bdc9cc4 (MD5)","Made available in DSpace on 2011-07-07T15:28:18Z (GMT). No. of bitstreams: 1 1967_donohue.pdf: 6517989 bytes, checksum: 1022e5409cb045b6348db9847bdc9cc4 (MD5) Previous issue date: 1967","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-07T15:28:18Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:32:41-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["3033588","http://hdl.handle.net/2142/25688"],"dc:language":["en"],"dc:rights":["1967 John Thomas Donohue"],"dc:subject":["absorption peripheral model","production and decay angular distributions","high energy collisions","two body mesons","partial wave summation method"],"dc:title":["Calculations on production reactions using the absorptive peripheral model"],"dc:type":["Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:26Z"}