{"id":"https://openalex.org/W2002170741","doi":"https://doi.org/10.1103/physreva.88.012512","title":"Energy levels of Th + between 7.3 and 8.3 eV","display_name":"Energy levels of Th + between 7.3 and 8.3 eV","publication_year":2013,"publication_date":"2013-07-16","ids":{"openalex":"https://openalex.org/W2002170741","doi":"https://doi.org/10.1103/physreva.88.012512","mag":"2002170741"},"language":"lv","primary_location":{"id":"doi:10.1103/physreva.88.012512","doi":"https://doi.org/10.1103/physreva.88.012512","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physreva.88.012512","pdf_url":null,"source":{"id":"https://openalex.org/S164566984","display_name":"Physical Review A","issn_l":"0556-2791","issn":["0556-2791","1050-2947","1094-1622","1538-4446","2469-9926","2469-9934","2469-9942"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","ki-jl-1","norway-2","poland-100","poland-70","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 A","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1305.0765","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5064216293","display_name":"O. A. Herrera-Sancho","orcid":"https://orcid.org/0000-0001-8871-171X","observed_orcids":["https://orcid.org/0000-0001-8871-171X"]},"institutions":[{"id":"https://openalex.org/I1285933455","display_name":"Physikalisch-Technische Bundesanstalt","ror":"https://ror.org/05r3f7h03","country_code":"DE","type":"government","lineage":["https://openalex.org/I1285933455","https://openalex.org/I4210136623"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"O. A. Herrera-Sancho","raw_affiliation_strings":["Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany","institution_ids":["https://openalex.org/I1285933455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028091768","display_name":"Nils Nemitz","orcid":"https://orcid.org/0000-0003-3201-686X","observed_orcids":["https://orcid.org/0000-0003-3201-686X"]},"institutions":[{"id":"https://openalex.org/I1285933455","display_name":"Physikalisch-Technische Bundesanstalt","ror":"https://ror.org/05r3f7h03","country_code":"DE","type":"government","lineage":["https://openalex.org/I1285933455","https://openalex.org/I4210136623"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"N. Nemitz","raw_affiliation_strings":["Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany","institution_ids":["https://openalex.org/I1285933455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020657883","display_name":"Maksim V. Okhapkin","orcid":"https://orcid.org/0000-0003-0420-3115","observed_orcids":["https://orcid.org/0000-0003-0420-3115"]},"institutions":[{"id":"https://openalex.org/I1285933455","display_name":"Physikalisch-Technische Bundesanstalt","ror":"https://ror.org/05r3f7h03","country_code":"DE","type":"government","lineage":["https://openalex.org/I1285933455","https://openalex.org/I4210136623"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"M. V. Okhapkin","raw_affiliation_strings":["Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany","institution_ids":["https://openalex.org/I1285933455"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066527323","display_name":"E. Peik","orcid":"https://orcid.org/0000-0001-6309-2975","observed_orcids":["https://orcid.org/0000-0001-6309-2975"]},"institutions":[{"id":"https://openalex.org/I1285933455","display_name":"Physikalisch-Technische Bundesanstalt","ror":"https://ror.org/05r3f7h03","country_code":"DE","type":"government","lineage":["https://openalex.org/I1285933455","https://openalex.org/I4210136623"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"E. Peik","raw_affiliation_strings":["Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany","institution_ids":["https://openalex.org/I1285933455"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1285933455"],"apc_list":{"value":2675,"currency":"USD","value_usd":2675},"apc_paid":null,"fwci":2.399,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.88593413,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"88","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10523","display_name":"Atomic and Molecular Physics","score":0.8906000256538391,"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":0.8906000256538391,"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/T12004","display_name":"Advanced Frequency and Time Standards","score":0.08470000326633453,"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/T10093","display_name":"Nuclear physics research studies","score":0.004100000020116568,"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/thorium-ions","display_name":"thorium ions","score":0.9129999876022339},{"id":"https://openalex.org/keywords/thorium-232","display_name":"thorium-232","score":0.8149999976158142},{"id":"https://openalex.org/keywords/energy-levels","display_name":"energy levels","score":0.7549999952316284},{"id":"https://openalex.org/keywords/second-ionization-potential","display_name":"second ionization potential","score":0.9340000152587891},{"id":"https://openalex.org/keywords/photodissociation","display_name":"photodissociation","score":0.8700000047683716},{"id":"https://openalex.org/keywords/molecular-ions","display_name":"molecular ions","score":0.6759999990463257},{"id":"https://openalex.org/keywords/trapped-ions","display_name":"trapped ions","score":0.4830000102519989}],"concepts":[{"id":"https://openalex.org/C198291218","wikidata":"https://www.wikidata.org/wiki/Q190382","display_name":"Ionization","level":3,"score":0.7245352268218994},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.7042707800865173},{"id":"https://openalex.org/C83581075","wikidata":"https://www.wikidata.org/wiki/Q1361503","display_name":"Excitation","level":2,"score":0.6226078867912292},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.6162499785423279},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5675923228263855},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.4550909996032715},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4282369017601013},{"id":"https://openalex.org/C2778785133","wikidata":"https://www.wikidata.org/wiki/Q25303639","display_name":"Photon energy","level":3,"score":0.4236582815647125},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.4228460192680359},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.3599699139595032},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.22296440601348877},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14501407742500305},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1103/physreva.88.012512","doi":"https://doi.org/10.1103/physreva.88.012512","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physreva.88.012512","pdf_url":null,"source":{"id":"https://openalex.org/S164566984","display_name":"Physical Review A","issn_l":"0556-2791","issn":["0556-2791","1050-2947","1094-1622","1538-4446","2469-9926","2469-9934","2469-9942"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","ki-jl-1","norway-2","poland-100","poland-70","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 A","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1305.0765","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1305.0765","pdf_url":"https://arxiv.org/pdf/1305.0765","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":"doi:10.48550/arxiv.1305.0765","doi":"https://doi.org/10.48550/arxiv.1305.0765","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1305.0765","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":"pmh:oai:arXiv.org:1305.0765","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1305.0765","pdf_url":"https://arxiv.org/pdf/1305.0765","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"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1967419584","https://openalex.org/W1968477475","https://openalex.org/W1969796550","https://openalex.org/W1972682703","https://openalex.org/W1976750538","https://openalex.org/W1976846906","https://openalex.org/W1982715357","https://openalex.org/W1986727527","https://openalex.org/W1991180923","https://openalex.org/W1995322093","https://openalex.org/W1997315104","https://openalex.org/W2000183665","https://openalex.org/W2009098108","https://openalex.org/W2009549633","https://openalex.org/W2010690523","https://openalex.org/W2017741823","https://openalex.org/W2018988138","https://openalex.org/W2032526041","https://openalex.org/W2048481045","https://openalex.org/W2056117396","https://openalex.org/W2060136755","https://openalex.org/W2067827210","https://openalex.org/W2068323307","https://openalex.org/W2085317189","https://openalex.org/W2089270466","https://openalex.org/W2095430575","https://openalex.org/W2109743581","https://openalex.org/W2116166814","https://openalex.org/W2119383751","https://openalex.org/W2161181473","https://openalex.org/W2326680384"],"related_works":["https://openalex.org/W2917469342","https://openalex.org/W2109743581","https://openalex.org/W6891995138","https://openalex.org/W2023517631","https://openalex.org/W1976297912","https://openalex.org/W7204929926","https://openalex.org/W3171050390","https://openalex.org/W2317973222","https://openalex.org/W4410957450","https://openalex.org/W7080313963"],"abstract_inverted_index":{"Using":[0],"resonant":[1],"two-step":[2],"laser":[3,79],"excitation":[4,36],"of":[5,28,37,52,57,63,97,105],"trapped":[6],"${}^{232}$Th${}^{+}$":[7],"ions,":[8],"we":[9],"observe":[10],"43":[11],"previously":[12],"unknown":[13],"energy":[14,18,47],"levels":[15],"within":[16,70],"the":[17,38,50,59,71,110,123],"range":[19,72,85],"from":[20,86],"$7.3$":[21],"to":[22,68,88,93,114],"$8.3$":[23],"eV.":[24,77],"The":[25],"high":[26],"density":[27],"states":[29],"promises":[30],"a":[31,82,115],"strongly":[32],"enhanced":[33,54],"electronic":[34],"bridge":[35],"${}^{229m}$Th":[39],"nuclear":[40],"state":[41],"that":[42,100],"is":[43,91],"expected":[44],"in":[45,81,103,109,122],"this":[46],"range.":[48],"From":[49],"observation":[51],"resonantly":[53],"three-photon":[55],"ionization":[56,61],"Th${}^{+}$,":[58],"second":[60],"potential":[62],"thorium":[64],"can":[65],"be":[66],"inferred":[67],"lie":[69],"between":[73],"11.9":[74],"and":[75],"12.3":[76],"Pulsed":[78],"radiation":[80],"wide":[83],"wavelength":[84],"237":[87],"289":[89],"nm":[90],"found":[92],"provide":[94],"efficient":[95],"photodissociation":[96],"molecular":[98],"ions":[99],"are":[101],"formed":[102],"reactions":[104],"Th${}^{+}$":[106,121],"with":[107],"impurities":[108],"buffer":[111],"gas,":[112],"leading":[113],"significantly":[116],"increased":[117],"storage":[118],"time":[119],"for":[120],"ion":[124],"trap.":[125]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":3}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
