{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25655"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25655","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Two body rapidity correlations in pi-p interactions at 147 GeV/c","abstract":"\"Results are presented for inclusive and semi-inclusive two body rapidity correlations for 11 p interactions at 147 GeV/c. Strong short range correlations are seen for particles of opposite sign, while a \"\"Bose-Einstein\"\" effect is seen for like sign particles. It is found that the opposite sign correlations are consistent with a cluster model in which 2/3 of the events are generated by a model of independent w-like emission (w -> pi+pi-pi°) with an w-mass of 1.0 GeV, while the remainder of the events are generated according to a model of independent pion emission. It is also found that the data cannot be fit by a model of independent p-like production ( p -> 2pi) regardless of what p-mass is assumed. The real pO cross section determined from this experiment and the real U) cross section determined from information presented elsewhere are sufficient to account for only a small fraction of the observed ( + -) correlations. Conversely, the correlations do not admit large p and U) inclusive cross sections. The like sign correlations contain a broad positive peak at large azimuthal separation. This effect is enhanced at large transverse momentum. Such results may be taken as evidence of fairly massive charged bodies decaying into three charged pions, or doubly charged clusters decaying into two charged pions.\"","abstract_html":""Results are presented for inclusive and semi-inclusive two body rapidity correlations for 11 p interactions at 147 GeV/c. Strong short range correlations are seen for particles of opposite sign, while a ""Bose-Einstein"" effect is seen for like sign particles. It is found that the opposite sign correlations are consistent with a cluster model in which 2/3 of the events are generated by a model of independent w-like emission (w -> pi+pi-pi°) with an w-mass of 1.0 GeV, while the remainder of the events are generated according to a model of independent pion emission. It is also found that the data cannot be fit by a model of independent p-like production ( p -> 2pi) regardless of what p-mass is assumed. The real pO cross section determined from this experiment and the real U) cross section determined from information presented elsewhere are sufficient to account for only a small fraction of the observed ( + -) correlations. Conversely, the correlations do not admit large p and U) inclusive cross sections. The like sign correlations contain a broad positive peak at large azimuthal separation. This effect is enhanced at large transverse momentum. Such results may be taken as evidence of fairly massive charged bodies decaying into three charged pions, or doubly charged clusters decaying into two charged pions."","abstract_has_math":false,"creators":["Tortora, John Oliver"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Sard, R.D."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-07-05T17:59:46Z","date_published":"2011-07-05T17:59:46Z","updated_at":"2026-07-22T22:25:24Z","subjects":["two body rapidity correlations","Bose-Einstein effect","pion emission"],"languages":["en"],"rights":["1976 John Oliver Tortora"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["2761015"],"render_values":[{"text":"2761015","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25655","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Sard, R.D."]},{"key":"dc:creator","label":"Author","values":["Tortora, John Oliver"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-07-05T17:59:46Z","10000-01-01","1976"]},{"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":["two body rapidity correlations","Bose-Einstein effect","pion emission"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1976 John Oliver Tortora"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["2761015","http://hdl.handle.net/2142/25655"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["\"Results are presented for inclusive and semi-inclusive two body rapidity correlations for 11 p interactions at 147 GeV/c. Strong short range correlations are seen for particles of opposite sign, while a \"\"Bose-Einstein\"\" effect is seen for like sign particles. It is found that the opposite sign correlations are consistent with a cluster model in which 2/3 of the events are generated by a model of independent w-like emission (w -> pi+pi-pi°) with an w-mass of 1.0 GeV, while the remainder of the events are generated according to a model of independent pion emission. It is also found that the data cannot be fit by a model of independent p-like production ( p -> 2pi) regardless of what p-mass is assumed. The real pO cross section determined from this experiment and the real U) cross section determined from information presented elsewhere are sufficient to account for only a small fraction of the observed ( + -) correlations. Conversely, the correlations do not admit large p and U) inclusive cross sections. The like sign correlations contain a broad positive peak at large azimuthal separation. This effect is enhanced at large transverse momentum. Such results may be taken as evidence of fairly massive charged bodies decaying into three charged pions, or doubly charged clusters decaying into two charged pions.\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-05T17:59:46Z No. of bitstreams: 1 1976_tortora.pdf: 3989501 bytes, checksum: a43218c54bc40404ee5882e9f97ac047 (MD5)","Made available in DSpace on 2011-07-05T17:59:46Z (GMT). No. of bitstreams: 1 1976_tortora.pdf: 3989501 bytes, checksum: a43218c54bc40404ee5882e9f97ac047 (MD5) Previous issue date: 1976","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-05T17:59:46Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:32:39-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Two body rapidity correlations in pi-p interactions at 147 GeV/c"]}]}],"canonical_facts":{"dc:contributor":["Sard, R.D."],"dc:creator":["Tortora, John Oliver"],"dc:date":["2011-07-05T17:59:46Z","10000-01-01","1976"],"dc:description":["\"Results are presented for inclusive and semi-inclusive two body rapidity correlations for 11 p interactions at 147 GeV/c. Strong short range correlations are seen for particles of opposite sign, while a \"\"Bose-Einstein\"\" effect is seen for like sign particles. It is found that the opposite sign correlations are consistent with a cluster model in which 2/3 of the events are generated by a model of independent w-like emission (w -> pi+pi-pi°) with an w-mass of 1.0 GeV, while the remainder of the events are generated according to a model of independent pion emission. It is also found that the data cannot be fit by a model of independent p-like production ( p -> 2pi) regardless of what p-mass is assumed. The real pO cross section determined from this experiment and the real U) cross section determined from information presented elsewhere are sufficient to account for only a small fraction of the observed ( + -) correlations. Conversely, the correlations do not admit large p and U) inclusive cross sections. The like sign correlations contain a broad positive peak at large azimuthal separation. This effect is enhanced at large transverse momentum. Such results may be taken as evidence of fairly massive charged bodies decaying into three charged pions, or doubly charged clusters decaying into two charged pions.\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-05T17:59:46Z No. of bitstreams: 1 1976_tortora.pdf: 3989501 bytes, checksum: a43218c54bc40404ee5882e9f97ac047 (MD5)","Made available in DSpace on 2011-07-05T17:59:46Z (GMT). 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