{"id":"https://openalex.org/W102307255","doi":"https://doi.org/10.1103/physrevlett.30.149","title":"Measurements of the Reaction \u03b3p\u2192\u03d5p with Unpolarized Bremsstrahlung","display_name":"Measurements of the Reaction \u03b3p\u2192\u03d5p with Unpolarized Bremsstrahlung","publication_year":1973,"publication_date":"1973-01-22","ids":{"openalex":"https://openalex.org/W102307255","doi":"https://doi.org/10.1103/physrevlett.30.149","mag":"102307255"},"language":"en","primary_location":{"id":"doi:10.1103/physrevlett.30.149","doi":"https://doi.org/10.1103/physrevlett.30.149","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevlett.30.149","pdf_url":null,"source":{"id":"https://openalex.org/S24807848","display_name":"Physical Review Letters","issn_l":"0031-9007","issn":["0031-9007","1079-7114","1092-0145"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","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 Letters","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5104349297","display_name":"Robert L. Anderson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. L. Anderson","raw_affiliation_strings":["Standord University, Stanford, California 94305"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110427127","display_name":"B. Gottschalk","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B. Gottschalk","raw_affiliation_strings":["Standord University, Stanford, California 94305"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016543534","display_name":"David B. Gustavson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. B. Gustavson","raw_affiliation_strings":["Standord University, Stanford, California 94305"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020600189","display_name":"David M. Ritson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. M. Ritson","raw_affiliation_strings":["Standord University, Stanford, California 94305"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002440939","display_name":"G. A. Weitsch","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"G. A. Weitsch","raw_affiliation_strings":["Standord University, Stanford, California 94305"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054464521","display_name":"B.H. Wiik","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B. H. Wiik","raw_affiliation_strings":["Standord University, Stanford, California 94305"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007642363","display_name":"Howard J. Halpern","orcid":"https://orcid.org/0000-0001-7672-9269","observed_orcids":["https://orcid.org/0000-0001-7672-9269"]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. J. Halpern","raw_affiliation_strings":["Standord University, Stanford, California 94305","University of Wisconsin, Madison, Wisconsin 53706"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"University of Wisconsin, Madison, Wisconsin 53706","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107849211","display_name":"Richard Prepost","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Prepost","raw_affiliation_strings":["Standord University, Stanford, California 94305","University of Wisconsin, Madison, Wisconsin 53706"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"University of Wisconsin, Madison, Wisconsin 53706","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084517023","display_name":"D. H. Tompkins","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. H. Tompkins","raw_affiliation_strings":["Standord University, Stanford, California 94305","University of Wisconsin, Madison, Wisconsin 53706"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Standord University, Stanford, California 94305","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"University of Wisconsin, Madison, Wisconsin 53706","institution_ids":["https://openalex.org/I135310074"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3750,"currency":"USD","value_usd":3750},"apc_paid":null,"fwci":5.2983,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.9552428,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"30","issue":"4","first_page":"149","last_page":"152"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.9672999978065491,"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":0.9672999978065491,"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":0.027499999850988388,"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":0.002199999988079071,"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/phi-meson-photoproduction","display_name":"phi meson photoproduction","score":0.9100000262260437},{"id":"https://openalex.org/keywords/differential-cross-section","display_name":"differential cross section","score":0.6710000038146973},{"id":"https://openalex.org/keywords/regge-trajectory-slope","display_name":"Regge trajectory slope","score":0.824999988079071},{"id":"https://openalex.org/keywords/universal-curve","display_name":"universal curve","score":0.42800000309944153},{"id":"https://openalex.org/keywords/photon-proton-scattering","display_name":"photon-proton scattering","score":0.6259999871253967}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.7395238280296326},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.6298964023590088},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.45339515805244446},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.42092663049697876},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.3499261736869812},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.12246382236480713},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1103/physrevlett.30.149","doi":"https://doi.org/10.1103/physrevlett.30.149","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevlett.30.149","pdf_url":null,"source":{"id":"https://openalex.org/S24807848","display_name":"Physical Review Letters","issn_l":"0031-9007","issn":["0031-9007","1079-7114","1092-0145"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","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 Letters","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.412.7164","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.412.7164","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.slac.stanford.edu/pubs/slacpubs/1000/slac-pub-1086.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W204926300","https://openalex.org/W1583532432","https://openalex.org/W1973321193","https://openalex.org/W2033390692","https://openalex.org/W2035125019","https://openalex.org/W2068007251","https://openalex.org/W2615459747","https://openalex.org/W2801441188"],"related_works":["https://openalex.org/W7099862259","https://openalex.org/W1964518453","https://openalex.org/W1559069523","https://openalex.org/W1982534741","https://openalex.org/W1497931198","https://openalex.org/W6889849174","https://openalex.org/W2062966454","https://openalex.org/W1635809455","https://openalex.org/W6910723471","https://openalex.org/W6983355248"],"abstract_inverted_index":{"We":[0],"have":[1],"measured":[2],"the":[3,10,66],"differential":[4],"photoproduction":[5],"cross":[6],"section":[7],"$\\frac{d\\ensuremath{\\sigma}}{\\mathrm{dt}}$":[8],"for":[9],"production":[11],"of":[12,18,24,37,48,65],"$\\ensuremath{\\phi}$":[13],"mesons":[14],"as":[15,34],"a":[16,21,35,46,60],"function":[17,36],"$t$":[19],"at":[20,45],"photon":[22,38],"energy":[23,39],"12":[25],"GeV":[26,44],"from":[27,40,70],"$|t|=0.2$":[28],"${(\\mathrm{G}\\mathrm{e}\\mathrm{V}/\\mathit{c})}^{2}$":[29],"to":[30,42],"$|t|=1.0$":[31],"${(\\mathrm{G}\\mathrm{e}\\mathrm{V}/\\mathit{c})}^{2}$,":[32],"and":[33,53],"6":[41],"19":[43],"$|t|$":[47],"0.6":[49],"${(\\mathrm{G}\\mathrm{e}\\mathrm{V}/\\mathit{c})}^{2}$.":[50],"Our":[51],"results,":[52],"all":[54],"other":[55],"world":[56],"data,":[57],"fall":[58],"on":[59],"universal":[61],"curve.":[62],"The":[63],"slope":[64],"Pomeranchukon":[67],"trajectory":[68],"deduced":[69],"this":[71],"experiment":[72],"is":[73],"${\\ensuremath{\\alpha}}^{\\ensuremath{'}}=\\ensuremath{-}0.03\\ifmmode\\pm\\else\\textpm\\fi{}0.13$.":[74]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2016-06-24T00:00:00"}