{"id":"https://openalex.org/W1975190843","doi":"https://doi.org/10.1088/0953-4075/21/4/003","title":"New measurements of the cross sections of doubly excited resonances in calcium","display_name":"New measurements of the cross sections of doubly excited resonances in calcium","publication_year":1988,"publication_date":"1988-02-28","ids":{"openalex":"https://openalex.org/W1975190843","doi":"https://doi.org/10.1088/0953-4075/21/4/003","mag":"1975190843"},"language":"en","primary_location":{"id":"doi:10.1088/0953-4075/21/4/003","doi":"https://doi.org/10.1088/0953-4075/21/4/003","is_oa":true,"landing_page_url":"https://doi.org/10.1088/0953-4075/21/4/003","pdf_url":"https://iopscience.iop.org/article/10.1088/0953-4075/21/4/003/pdf","source":{"id":"https://openalex.org/S108417319","display_name":"Journal of Physics B Atomic Molecular and Optical Physics","issn_l":"0953-4075","issn":["0953-4075","1361-6455"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics B: Atomic, Molecular and Optical Physics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://iopscience.iop.org/article/10.1088/0953-4075/21/4/003/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042955413","display_name":"Ulf Griesmann","orcid":"https://orcid.org/0000-0001-6882-9729","observed_orcids":["https://orcid.org/0000-0001-6882-9729"]},"institutions":[{"id":"https://openalex.org/I135140700","display_name":"University of Bonn","ror":"https://ror.org/041nas322","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"U Griesmann","raw_affiliation_strings":["Phys. Inst., Bonn Univ., West Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Phys. Inst., Bonn Univ., West Germany","institution_ids":["https://openalex.org/I135140700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111477667","display_name":"Ning Shen","orcid":"https://orcid.org/0009-0007-1752-4694","observed_orcids":["https://orcid.org/0009-0007-1752-4694"]},"institutions":[{"id":"https://openalex.org/I135140700","display_name":"University of Bonn","ror":"https://ror.org/041nas322","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"N Shen","raw_affiliation_strings":["Phys. Inst., Bonn Univ., West Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Phys. Inst., Bonn Univ., West Germany","institution_ids":["https://openalex.org/I135140700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111418817","display_name":"J P Connerade","orcid":"https://orcid.org/0009-0005-5352-7409","observed_orcids":["https://orcid.org/0009-0005-5352-7409"]},"institutions":[{"id":"https://openalex.org/I135140700","display_name":"University of Bonn","ror":"https://ror.org/041nas322","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"J P Connerade","raw_affiliation_strings":["Phys. Inst., Bonn Univ., West Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Phys. Inst., Bonn Univ., West Germany","institution_ids":["https://openalex.org/I135140700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046446582","display_name":"Katharina Sommer","orcid":"https://orcid.org/0000-0002-3856-6697","observed_orcids":["https://orcid.org/0000-0002-3856-6697"]},"institutions":[{"id":"https://openalex.org/I135140700","display_name":"University of Bonn","ror":"https://ror.org/041nas322","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"K Sommer","raw_affiliation_strings":["Phys. Inst., Bonn Univ., West Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Phys. Inst., Bonn Univ., West Germany","institution_ids":["https://openalex.org/I135140700"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002297295","display_name":"J. Hormes","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I135140700","display_name":"University of Bonn","ror":"https://ror.org/041nas322","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"J Hormes","raw_affiliation_strings":["Phys. Inst., Bonn Univ., West Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Phys. Inst., Bonn Univ., West Germany","institution_ids":["https://openalex.org/I135140700"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I135140700"],"apc_list":{"value":3325,"currency":"USD","value_usd":3325},"apc_paid":null,"fwci":3.3779,"has_fulltext":true,"cited_by_count":40,"citation_normalized_percentile":{"value":0.92311857,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"21","issue":"4","first_page":"L83","last_page":"L88"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10523","display_name":"Atomic and Molecular Physics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T10523","display_name":"Atomic and Molecular Physics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T11733","display_name":"X-ray Spectroscopy and Fluorescence Analysis","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"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/T10093","display_name":"Nuclear physics research studies","score":9.999999747378752e-05,"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/calcium","display_name":"calcium","score":0.597000002861023},{"id":"https://openalex.org/keywords/ca-i","display_name":"CA I","score":0.6460000276565552},{"id":"https://openalex.org/keywords/electron-impact-excitation-cross-sections","display_name":"electron-impact excitation cross sections","score":0.6420000195503235},{"id":"https://openalex.org/keywords/synchrotron-radiation","display_name":"synchrotron radiation","score":0.8809999823570251},{"id":"https://openalex.org/keywords/doris-ii","display_name":"DORIS II","score":0.7260000109672546},{"id":"https://openalex.org/keywords/hasylab","display_name":"HASYLAB","score":0.9599999785423279},{"id":"https://openalex.org/keywords/r-matrix-theory","display_name":"R-matrix theory","score":0.6359999775886536}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8914897441864014},{"id":"https://openalex.org/C181500209","wikidata":"https://www.wikidata.org/wiki/Q215328","display_name":"Excited state","level":2,"score":0.724032998085022},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.7119559049606323},{"id":"https://openalex.org/C52234038","wikidata":"https://www.wikidata.org/wiki/Q17128025","display_name":"Cross section (physics)","level":2,"score":0.6852704286575317},{"id":"https://openalex.org/C16332341","wikidata":"https://www.wikidata.org/wiki/Q212871","display_name":"Synchrotron radiation","level":2,"score":0.6454538702964783},{"id":"https://openalex.org/C2778325938","wikidata":"https://www.wikidata.org/wiki/Q7273285","display_name":"R-matrix","level":2,"score":0.4322000741958618},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.41049572825431824},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.2769477367401123},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.08931076526641846}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1088/0953-4075/21/4/003","doi":"https://doi.org/10.1088/0953-4075/21/4/003","is_oa":true,"landing_page_url":"https://doi.org/10.1088/0953-4075/21/4/003","pdf_url":"https://iopscience.iop.org/article/10.1088/0953-4075/21/4/003/pdf","source":{"id":"https://openalex.org/S108417319","display_name":"Journal of Physics B Atomic Molecular and Optical Physics","issn_l":"0953-4075","issn":["0953-4075","1361-6455"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics B: Atomic, Molecular and Optical Physics","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1088/0953-4075/21/4/003","doi":"https://doi.org/10.1088/0953-4075/21/4/003","is_oa":true,"landing_page_url":"https://doi.org/10.1088/0953-4075/21/4/003","pdf_url":"https://iopscience.iop.org/article/10.1088/0953-4075/21/4/003/pdf","source":{"id":"https://openalex.org/S108417319","display_name":"Journal of Physics B Atomic Molecular and Optical Physics","issn_l":"0953-4075","issn":["0953-4075","1361-6455"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics B: Atomic, Molecular and Optical Physics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323015","display_name":"Bundesministerium f\u00fcr Forschung und Technologie","ror":"https://ror.org/04pz7b180"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1975190843.pdf","grobid_xml":"https://content.openalex.org/works/W1975190843.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1621614463","https://openalex.org/W1976751605","https://openalex.org/W1989201989","https://openalex.org/W1996912515","https://openalex.org/W2002953420","https://openalex.org/W2009280003","https://openalex.org/W2011891986","https://openalex.org/W2019290644","https://openalex.org/W2024679495","https://openalex.org/W2028445139","https://openalex.org/W2038887678","https://openalex.org/W2051013257","https://openalex.org/W2062635843","https://openalex.org/W2070956255","https://openalex.org/W2073177730","https://openalex.org/W2076233877","https://openalex.org/W2086075721","https://openalex.org/W4247377855"],"related_works":["https://openalex.org/W2049269176","https://openalex.org/W1965896216","https://openalex.org/W1976751605","https://openalex.org/W2029264387","https://openalex.org/W197793667","https://openalex.org/W3183822577","https://openalex.org/W6996624427","https://openalex.org/W2026400970","https://openalex.org/W1989353210","https://openalex.org/W2087293795"],"abstract_inverted_index":{"The":[0,54,81],"authors":[1],"report":[2],"new":[3,57],"cross":[4,75,112],"section":[5,76,113],"measurements,":[6],"believed":[7],"to":[8,38,89],"be":[9,90],"the":[10,26,42,45,51,60,74,85,93,100,104,111,115],"first":[11],"involving":[12],"synchrotron":[13],"radiation":[14,43],"together":[15],"with":[16,70,99],"a":[17,34],"'hot-wire'":[18],"diode":[19],"detector,":[20],"in":[21,64,78,114],"which":[22],"they":[23],"have":[24],"observed":[25],"doubly":[27],"excited":[28],"series":[29],"of":[30,73,84,97],"Ca":[31,65],"I":[32,66],"at":[33],"much":[35],"improved":[36],"signal":[37],"noise":[39],"ratio":[40],"using":[41],"from":[44],"DORIS":[46],"II":[47],"electron":[48],"accelerator":[49],"and":[50,67,108],"HASYLAB":[52],"facilities.":[53],"data":[55],"provide":[56],"information":[58],"on":[59],"'vanishing":[61],"width'":[62],"effect":[63],"are":[68],"compared":[69],"several":[71],"calculations":[72,105],"reported":[77],"recent":[79,95],"literature.":[80],"best":[82],"representation":[83],"detailed":[86],"structure":[87],"appears":[88],"achieved":[91],"by":[92,118],"most":[94],"combination":[96],"MQDT":[98],"R-matrix":[101],"method.":[102],"All":[103],"(R":[106],"matrix":[107],"MBPT)":[109],"underestimate":[110],"3d5p":[116],"peak":[117],"20-40%.":[119]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-09-21T07:43:02.447757","created_date":"2016-06-24T00:00:00"}
