{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25544"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25544","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"A multi-Regge analysis of the exclusive and inclusive production of low-mass rho-pion systems","abstract":"Thesis","abstract_html":"Thesis","abstract_has_math":false,"creators":["Puhala, Michael John"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-06-28T14:37:03Z","date_published":"2011-06-28T14:37:03Z","updated_at":"2026-07-22T22:25:24Z","subjects":["multi-regge","low-mass rho-pion systems","Reggeized Deck model","Steinmann relation"],"languages":["en"],"rights":["1979 Michael John Puhala III"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["409217"],"render_values":[{"text":"409217","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25544","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Puhala, Michael John"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-06-28T14:37:03Z","10000-01-01","1979"]},{"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":["multi-regge","low-mass rho-pion systems","Reggeized Deck model","Steinmann relation"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1979 Michael John Puhala III"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["409217","http://hdl.handle.net/2142/25544"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis","U of I Only","We construct a Reggeized Deck model for the exclusive reaction pi- rho -> rho o pi- rho that satisfies the Steinmann relation in the physical region. An explanation is given for the success of the Reggeization in this low-rho/pi-mass region. Resonancelike behavior is isolated in the P-1I-cut term, and a resonance-type loop is shown to be present in the l+s wave Argand diagram. We also consider in detail the multi-Regge expansion for the eight particle amplitude with one triple-Regge and two double-Regge couplings, appropriate to the inclusive reaction pi-rho -> rhoo pi- X. We show that under trivial conditions and with a suitable choice of helicity contours, the double-Regge couplings in the multi-Regge (MR) limit are identical, to leading order,with couplings obtained in the mixed helicity-pole Reggepole (HPRP) limit appropriate to inclusive reactions. As a plausibility argument for the identity of the MR and HPRP limit, we present an intuitive picture of a way in which helicity poles may be visualized at the triple-Regge vertex. Assuming the identity of the double-Regge couplings in the exclusive and inclusive cases, we discuss the problem of isolating this mechanism experimentally. We propose experimental tests for the identity of the couplings. We discuss the origin of the problems associated with observing the Al meson in the exclusive reaction, and discuss mechanisms by which it might be seen in the inclusive case.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-28T14:37:03Z No. of bitstreams: 1 1979_puhala.pdf: 4507726 bytes, checksum: b518198b21d4a6528c226eee59de47c6 (MD5)","Made available in DSpace on 2011-06-28T14:37:03Z (GMT). No. of bitstreams: 1 1979_puhala.pdf: 4507726 bytes, checksum: b518198b21d4a6528c226eee59de47c6 (MD5) Previous issue date: 1979","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-28T14:37:03Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:32:22-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis"]},{"key":"dc:title","label":"Title","values":["A multi-Regge analysis of the exclusive and inclusive production of low-mass rho-pion systems"]}]}],"canonical_facts":{"dc:creator":["Puhala, Michael John"],"dc:date":["2011-06-28T14:37:03Z","10000-01-01","1979"],"dc:description":["Thesis","U of I Only","We construct a Reggeized Deck model for the exclusive reaction pi- rho -> rho o pi- rho that satisfies the Steinmann relation in the physical region. An explanation is given for the success of the Reggeization in this low-rho/pi-mass region. Resonancelike behavior is isolated in the P-1I-cut term, and a resonance-type loop is shown to be present in the l+s wave Argand diagram. We also consider in detail the multi-Regge expansion for the eight particle amplitude with one triple-Regge and two double-Regge couplings, appropriate to the inclusive reaction pi-rho -> rhoo pi- X. We show that under trivial conditions and with a suitable choice of helicity contours, the double-Regge couplings in the multi-Regge (MR) limit are identical, to leading order,with couplings obtained in the mixed helicity-pole Reggepole (HPRP) limit appropriate to inclusive reactions. As a plausibility argument for the identity of the MR and HPRP limit, we present an intuitive picture of a way in which helicity poles may be visualized at the triple-Regge vertex. Assuming the identity of the double-Regge couplings in the exclusive and inclusive cases, we discuss the problem of isolating this mechanism experimentally. We propose experimental tests for the identity of the couplings. We discuss the origin of the problems associated with observing the Al meson in the exclusive reaction, and discuss mechanisms by which it might be seen in the inclusive case.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-28T14:37:03Z No. of bitstreams: 1 1979_puhala.pdf: 4507726 bytes, checksum: b518198b21d4a6528c226eee59de47c6 (MD5)","Made available in DSpace on 2011-06-28T14:37:03Z (GMT). No. of bitstreams: 1 1979_puhala.pdf: 4507726 bytes, checksum: b518198b21d4a6528c226eee59de47c6 (MD5) Previous issue date: 1979","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-28T14:37:03Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:32:22-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis"],"dc:identifier":["409217","http://hdl.handle.net/2142/25544"],"dc:language":["en"],"dc:rights":["1979 Michael John Puhala III"],"dc:subject":["multi-regge","low-mass rho-pion systems","Reggeized Deck model","Steinmann relation"],"dc:title":["A multi-Regge analysis of the exclusive and inclusive production of low-mass rho-pion systems"],"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"}