{"id":"https://openalex.org/W2016501085","doi":"https://doi.org/10.1103/physrevd.53.2343","title":"Study of \u03c3(750) and \u03c10 (770) production in measurements of \u03c0 N\u2191 \u2192 \u03c0+ \u03c0\u2212 Non a polarized target at 5.98, 11.85, and 17.2 GeV/c","display_name":"Study of \u03c3(750) and \u03c10 (770) production in measurements of \u03c0 N\u2191 \u2192 \u03c0+ \u03c0\u2212 Non a polarized target at 5.98, 11.85, and 17.2 GeV/c","publication_year":1996,"publication_date":"1996-03-01","ids":{"openalex":"https://openalex.org/W2016501085","doi":"https://doi.org/10.1103/physrevd.53.2343","mag":"2016501085","pmid":"https://pubmed.ncbi.nlm.nih.gov/10020232"},"language":"en","primary_location":{"id":"doi:10.1103/physrevd.53.2343","doi":"https://doi.org/10.1103/physrevd.53.2343","is_oa":true,"landing_page_url":"https://doi.org/10.1103/physrevd.53.2343","pdf_url":"http://link.aps.org/pdf/10.1103/PhysRevD.53.2343","source":{"id":"https://openalex.org/S4210190737","display_name":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields","issn_l":"0556-2821","issn":["0556-2821","1089-4918","1538-4500","1550-2368","1550-7998"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review D","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"http://link.aps.org/pdf/10.1103/PhysRevD.53.2343","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000382913","display_name":"M. \u0160vec","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4047665","display_name":"Dawson College","ror":"https://ror.org/04pmj7516","country_code":"CA","type":"education","lineage":["https://openalex.org/I4047665"]},{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"M. Svec","raw_affiliation_strings":["McGill University, Montreal, Quebec, Canada H3A 2T8","Physics Department, Dawson College, Montreal, Quebec, Canada H3Z 1A4","McGill University, Montreal, Quebec, Canada H3A 2T8; Physics Department, Dawson College, Montreal, Quebec, Canada H3Z 1A4"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"McGill University, Montreal, Quebec, Canada H3A 2T8","institution_ids":["https://openalex.org/I5023651"]},{"raw_affiliation_string":"Physics Department, Dawson College, Montreal, Quebec, Canada H3Z 1A4","institution_ids":["https://openalex.org/I4047665"]},{"raw_affiliation_string":"McGill University, Montreal, Quebec, Canada H3A 2T8; Physics Department, Dawson College, Montreal, Quebec, Canada H3Z 1A4","institution_ids":["https://openalex.org/I4047665","https://openalex.org/I5023651"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5000382913"],"corresponding_institution_ids":["https://openalex.org/I4047665","https://openalex.org/I5023651"],"apc_list":null,"apc_paid":null,"fwci":4.922,"has_fulltext":true,"cited_by_count":66,"citation_normalized_percentile":{"value":0.95522035,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"53","issue":"5","first_page":"2343","last_page":"2361"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10048","display_name":"Particle physics theoretical and experimental studies","score":0.004999999888241291,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10527","display_name":"High-Energy Particle Collisions Research","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pion-nucleon-scattering","display_name":"pion-nucleon scattering","score":0.6970000267028809},{"id":"https://openalex.org/keywords/dipion-production","display_name":"dipion production","score":0.746999979019165},{"id":"https://openalex.org/keywords/amplitude-analysis","display_name":"amplitude analysis","score":0.7089999914169312},{"id":"https://openalex.org/keywords/spin-density-matrix","display_name":"spin density matrix","score":0.5389999747276306},{"id":"https://openalex.org/keywords/unphysical-solutions","display_name":"unphysical solutions","score":0.5249999761581421},{"id":"https://openalex.org/keywords/partial-wave-analysis","display_name":"partial wave analysis","score":0.6230000257492065},{"id":"https://openalex.org/keywords/scalar-mesons","display_name":"scalar mesons","score":0.35899999737739563},{"id":"https://openalex.org/keywords/vector-mesons","display_name":"vector mesons","score":0.7080000042915344},{"id":"https://openalex.org/keywords/cern-proton-synchrotron","display_name":"CERN Proton Synchrotron","score":0.7239999771118164}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.725372850894928},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.572016179561615},{"id":"https://openalex.org/C19694890","wikidata":"https://www.wikidata.org/wiki/Q101667","display_name":"Hadron","level":2,"score":0.5245928168296814},{"id":"https://openalex.org/C2776453170","wikidata":"https://www.wikidata.org/wiki/Q7140398","display_name":"Partial wave analysis","level":3,"score":0.5186699628829956},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.4230145514011383},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.2212023138999939}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1103/physrevd.53.2343","doi":"https://doi.org/10.1103/physrevd.53.2343","is_oa":true,"landing_page_url":"https://doi.org/10.1103/physrevd.53.2343","pdf_url":"http://link.aps.org/pdf/10.1103/PhysRevD.53.2343","source":{"id":"https://openalex.org/S4210190737","display_name":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields","issn_l":"0556-2821","issn":["0556-2821","1089-4918","1538-4500","1550-2368","1550-7998"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review D","raw_type":"journal-article"},{"id":"pmid:10020232","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10020232","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical review. D, Particles and fields","raw_type":"Journal Article"},{"id":"pmh:oai:arXiv.org:hep-ph/9511205","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/hep-ph/9511205","pdf_url":"https://arxiv.org/pdf/hep-ph/9511205","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:cds.cern.ch:290586","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/290586","pdf_url":null,"source":{"id":"https://openalex.org/S4306402195","display_name":"CERN Document Server (European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"doi:10.48550/arxiv.hep-ph/9511205","doi":"https://doi.org/10.48550/arxiv.hep-ph/9511205","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.hep-ph/9511205","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.1103/physrevd.53.2343","doi":"https://doi.org/10.1103/physrevd.53.2343","is_oa":true,"landing_page_url":"https://doi.org/10.1103/physrevd.53.2343","pdf_url":"http://link.aps.org/pdf/10.1103/PhysRevD.53.2343","source":{"id":"https://openalex.org/S4210190737","display_name":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields","issn_l":"0556-2821","issn":["0556-2821","1089-4918","1538-4500","1550-2368","1550-7998"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review D","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2016501085.pdf","grobid_xml":"https://content.openalex.org/works/W2016501085.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W9965746","https://openalex.org/W307006193","https://openalex.org/W1557082763","https://openalex.org/W1567897116","https://openalex.org/W1579111209","https://openalex.org/W1965796987","https://openalex.org/W1977802615","https://openalex.org/W1979789353","https://openalex.org/W1987551860","https://openalex.org/W1992943282","https://openalex.org/W2004937115","https://openalex.org/W2005191988","https://openalex.org/W2036561460","https://openalex.org/W2040588411","https://openalex.org/W2046385479","https://openalex.org/W2054086911","https://openalex.org/W2100271579","https://openalex.org/W2119242725","https://openalex.org/W2124882749","https://openalex.org/W2233033909","https://openalex.org/W2411745569","https://openalex.org/W2596477125","https://openalex.org/W3022215701","https://openalex.org/W3042957200"],"related_works":["https://openalex.org/W7099516201","https://openalex.org/W6996772581","https://openalex.org/W307006193","https://openalex.org/W2009162943","https://openalex.org/W2257464476","https://openalex.org/W7101154414","https://openalex.org/W7096999451","https://openalex.org/W7034220926","https://openalex.org/W7074250413","https://openalex.org/W2594676318"],"abstract_inverted_index":{"We":[0,194],"present":[1],"a":[2,90,132,196,269,281],"new":[3,282],"and":[4,15,18,48,115,127,143,166,169,207,220,258],"improved":[5],"model-independent":[6],"amplitude":[7,95,118,176],"analysis":[8,119],"of":[9,59,64,68,135,140,199,216,242,250,272,278,284],"the":[10,29,39,57,75,78,85,104,128,190,203,217,226,232,243,247,254,260,266,276,290],"reactions":[11],"${\\mathrm{\\ensuremath{\\pi}}}^{+}$${\\mathit{n}}_{\\mathrm{\\ensuremath{\\uparrow}}}$\\ensuremath{\\rightarrow}${\\mathrm{\\ensuremath{\\pi}}}^{+}$${\\mathrm{\\ensuremath{\\pi}}}^{\\mathrm{\\ensuremath{-}}}$p":[12],"at":[13,20,28,164,178,208,289],"5.98":[14,165],"11.85":[16,167],"GeV/c":[17,22,168,210],"${\\mathrm{\\ensuremath{\\pi}}}^{\\mathrm{\\ensuremath{-}}}$${\\mathit{p}}_{\\mathrm{\\ensuremath{\\uparrow}}}$\\ensuremath{\\rightarrow}${\\mathrm{\\ensuremath{\\pi}}}^{\\mathrm{\\ensuremath{-}}}$${\\mathrm{\\ensuremath{\\pi}}}^{+}$n":[19],"17.2":[21,179,209],"measured":[23],"with":[24,287],"transversely":[25],"polarized":[26],"targets":[27],"CERN":[30],"Proton":[31],"Synchrotron.":[32],"For":[33],"dipion":[34],"masses":[35],"below":[36],"1000":[37],"MeV":[38],"pion":[40,255,273],"production":[41,51,201,256,274],"process":[42,257],"is":[43,185],"described":[44],"by":[45],"two":[46],"S-wave":[47,161,175],"six":[49],"P-wave":[50,244],"amplitudes.":[52],"Previous":[53],"analyses":[54],"suffered":[55],"from":[56],"presence":[58],"unphysical":[60,86],"solutions":[61,87,124,130,158,172],"for":[62,77,120,137,144,151,159,173,268],"moduli":[63,245],"amplitudes":[65,204,218,279],"or":[66],"cosines":[67,139],"their":[69,112],"relative":[70,141],"phases,":[71,142],"causing":[72],"uncertainties":[73],"regarding":[74],"signal":[76,150],"scalar":[79],"state":[80],"I=0":[81],"${0}^{++}$(750).":[82],"To":[83],"remove":[84],"we":[88,101],"use":[89],"Monte":[91],"Carlo":[92],"approach":[93],"to":[94,187,236],"analysis.":[96],"In":[97],"each":[98,121],"(m,t)":[99],"bin":[100],"randomly":[102],"varied":[103],"input":[105],"spin-density-matrix":[106],"elements":[107],"30":[108],"000":[109],"times":[110],"within":[111,225],"experimental":[113],"errors":[114],"performed":[116],"an":[117,160,174],"selection.":[122],"Unphysical":[123],"were":[125],"rejected":[126],"physical":[129],"produced":[131],"continuous":[133],"range":[134,191],"values":[136],"moduli,":[138],"partial":[145],"wave":[146],"intensities.":[147],"A":[148],"clear":[149],"\\ensuremath{\\sigma}(750)":[152],"resonance":[153],"emerges":[154],"in":[155,170,189,202,211,253,280],"all":[156],"four":[157],"intensity":[162],"${\\mathit{I}}_{\\mathit{S}}$":[163],"both":[171],"\\ensuremath{\\Vert}S\\ifmmode\\bar\\else\\textasciimacron\\fi{}${\\mathrm{\\ensuremath{\\Vert}}}^{2}$\\ensuremath{\\Sigma}":[177],"GeV/c.":[180],"Its":[181],"${\\mathrm{\\ensuremath{\\pi}}}^{+}$${\\mathrm{\\ensuremath{\\pi}}}^{\\mathrm{\\ensuremath{-}}}$":[182],"decay":[183],"width":[184],"estimated":[186],"be":[188],"200--300":[192],"MeV.":[193],"find":[195],"significant":[197],"suppression":[198],"${\\mathrm{\\ensuremath{\\rho}}}^{0}$":[200,227],"\\ensuremath{\\Vert}U${\\mathrm{\\ensuremath{\\Vert}}}^{2}$\\ensuremath{\\Sigma},":[205],"\\ensuremath{\\Vert}N\\ifmmode\\bar\\else\\textasciimacron\\fi{}${\\mathrm{\\ensuremath{\\Vert}}}^{2}$\\ensuremath{\\Sigma}":[206],"\\ensuremath{\\Vert}L${\\mathrm{\\ensuremath{\\Vert}}}^{2}$\\ensuremath{\\Sigma}.":[212],"The":[213,298],"mass":[214,228,233],"dependence":[215],"\\ensuremath{\\Vert}L\\ifmmode\\bar\\else\\textasciimacron\\fi{}${\\mathrm{\\ensuremath{\\Vert}}}^{2}$\\ensuremath{\\Sigma}":[219],"\\ensuremath{\\Vert}L${\\mathrm{\\ensuremath{\\Vert}}}^{2}$\\ensuremath{\\Sigma}":[221],"shows":[222],"unexpected":[223],"structures":[224],"region":[229],"which":[230],"correlate":[231],"spectra":[234],"corresponding":[235],"opposite":[237],"nucleon":[238,251],"spins.":[239],"These":[240],"features":[241],"reveal":[246],"essential":[248],"role":[249],"spin":[252,288],"contradict":[259],"factorization":[261],"hypothesis.":[262],"Our":[263],"results":[264],"emphasize":[265],"need":[267],"systematic":[270],"study":[271],"on":[275],"level":[277],"generation":[283],"dedicated":[285],"experiments":[286],"recently":[291],"proposed":[292],"high-intensity":[293],"hadron":[294],"facilities.":[295],"\\textcopyright{}":[296],"1996":[297],"American":[299],"Physical":[300],"Society.":[301]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2016-06-24T00:00:00"}