{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25087"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25087","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Backward resonance production in pi minus plus proton goes to neutron pi plus pi minus at 8 GeV/c","abstract":"This thesis reports on a study of the interaction n p ~ nn n where the neutron was produced fast and forward in the laboratory. The data were obtained using an 8 GeV/c n beam that was focussed on a liquid hydrogen target located inside the University of Il1inois~Argonne National Laboratory streamer chamber. The chamber was triggered on the interaction of a fast, forward neutral hadron in thick plate optical spark chambers. A total of 866 events had an acceptable 3-constraint fit to n p ~ nn nand satisfied other selection criteria. The data was characterized by backward production of the final states npo, nfo, and delta-(1232)pi+. Differential cross sections and decay angular distributions for these resonant states are presented and the implications for the production mechanisms discussed.","abstract_html":"This thesis reports on a study of the interaction n p ~ nn n where the neutron was produced fast and forward in the laboratory. The data were obtained using an 8 GeV/c n beam that was focussed on a liquid hydrogen target located inside the University of Il1inois~Argonne National Laboratory streamer chamber. The chamber was triggered on the interaction of a fast, forward neutral hadron in thick plate optical spark chambers. A total of 866 events had an acceptable 3-constraint fit to n p ~ nn nand satisfied other selection criteria. The data was characterized by backward production of the final states npo, nfo, and delta-(1232)pi+. Differential cross sections and decay angular distributions for these resonant states are presented and the implications for the production mechanisms discussed.","abstract_has_math":false,"creators":["Wagner, Robert Gene"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Eisenstein, Bob I."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-31T18:04:26Z","date_published":"2011-05-31T18:04:26Z","updated_at":"2026-07-22T22:25:24Z","subjects":["backward resonance productions","liquid hydrogen","neutral hadron","decay angular distributions","resonant states"],"languages":["en"],"rights":["1978 Robert Gene Wagner"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["312182"],"render_values":[{"text":"312182","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25087","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Eisenstein, Bob I."]},{"key":"dc:creator","label":"Author","values":["Wagner, Robert Gene"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-31T18:04:26Z","10000-01-01","1978"]},{"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":["backward resonance productions","liquid hydrogen","neutral hadron","decay angular distributions","resonant states"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1978 Robert Gene Wagner"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["312182","http://hdl.handle.net/2142/25087"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["This thesis reports on a study of the interaction n p ~ nn n where the neutron was produced fast and forward in the laboratory. The data were obtained using an 8 GeV/c n beam that was focussed on a liquid hydrogen target located inside the University of Il1inois~Argonne National Laboratory streamer chamber. The chamber was triggered on the interaction of a fast, forward neutral hadron in thick plate optical spark chambers. A total of 866 events had an acceptable 3-constraint fit to n p ~ nn nand satisfied other selection criteria. The data was characterized by backward production of the final states npo, nfo, and delta-(1232)pi+. Differential cross sections and decay angular distributions for these resonant states are presented and the implications for the production mechanisms discussed.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T18:04:26Z No. of bitstreams: 1 1978_wagner.pdf: 2653604 bytes, checksum: 6f25e48f65244bbb5a3fbb68965177af (MD5)","Made available in DSpace on 2011-05-31T18:04:26Z (GMT). No. of bitstreams: 1 1978_wagner.pdf: 2653604 bytes, checksum: 6f25e48f65244bbb5a3fbb68965177af (MD5) Previous issue date: 1978","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T18:04:26Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:15:17-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Backward resonance production in pi minus plus proton goes to neutron pi plus pi minus at 8 GeV/c"]}]}],"canonical_facts":{"dc:contributor":["Eisenstein, Bob I."],"dc:creator":["Wagner, Robert Gene"],"dc:date":["2011-05-31T18:04:26Z","10000-01-01","1978"],"dc:description":["This thesis reports on a study of the interaction n p ~ nn n where the neutron was produced fast and forward in the laboratory. The data were obtained using an 8 GeV/c n beam that was focussed on a liquid hydrogen target located inside the University of Il1inois~Argonne National Laboratory streamer chamber. The chamber was triggered on the interaction of a fast, forward neutral hadron in thick plate optical spark chambers. A total of 866 events had an acceptable 3-constraint fit to n p ~ nn nand satisfied other selection criteria. The data was characterized by backward production of the final states npo, nfo, and delta-(1232)pi+. Differential cross sections and decay angular distributions for these resonant states are presented and the implications for the production mechanisms discussed.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T18:04:26Z No. of bitstreams: 1 1978_wagner.pdf: 2653604 bytes, checksum: 6f25e48f65244bbb5a3fbb68965177af (MD5)","Made available in DSpace on 2011-05-31T18:04:26Z (GMT). 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