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dc.contributor.authorZhang, K.en
dc.contributor.authorStuder, D.en
dc.contributor.authorWeber, F.en
dc.contributor.authorGadelshin, V. M.en
dc.contributor.authorKneip, N.en
dc.contributor.authorRaeder, S.en
dc.contributor.authorBudker, D.en
dc.contributor.authorWendt, K.en
dc.contributor.authorKieck, T.en
dc.contributor.authorPorsev, S. G.en
dc.contributor.authorCheung, C.en
dc.contributor.authorSafronova, M. S.en
dc.contributor.authorKozlov, M. G.en
dc.date.accessioned2021-08-31T14:57:28Z-
dc.date.available2021-08-31T14:57:28Z-
dc.date.issued2020-
dc.identifier.citationDetection of the Lowest-Lying Odd-Parity Atomic Levels in Actinium / K. Zhang, D. Studer, F. Weber, et al. — DOI 10.1103/PhysRevLett.125.073001 // Physical Review Letters. — 2020. — Vol. 125. — Iss. 7. — 073001.en
dc.identifier.issn319007-
dc.identifier.otherFinal2
dc.identifier.otherAll Open Access, Green3
dc.identifier.otherhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85090170875&doi=10.1103%2fPhysRevLett.125.073001&partnerID=40&md5=2ed29528e552ca25a61ddcfebb923cd9
dc.identifier.otherhttp://arxiv.org/pdf/2005.03713m
dc.identifier.urihttp://elar.urfu.ru/handle/10995/101460-
dc.description.abstractTwo lowest-energy odd-parity atomic levels of actinium, 7s27pP21/2o, 7s27pP23/2o, were observed via two-step resonant laser-ionization spectroscopy and their respective energies were measured to be 7477.36(4) and 12 276.59(2) cm-1. The lifetimes of these states were determined as 668(11) and 255(7) ns, respectively. In addition, we observed the effect of the hyperfine structure on the line for the transition to P23/2o. These properties were calculated using a hybrid approach that combines configuration interaction and coupled-cluster methods, in good agreement with the experiment. The data are of relevance for understanding the complex atomic spectra of actinides and for developing efficient laser cooling and ionization schemes for actinium, with possible applications for high-purity medical-isotope production and future fundamental physics experiments. © 2020 American Physical Society.en
dc.description.sponsorshipThe authors thank V. V. Flambaum and V. A. Dzuba for stimulating discussions and providing the corrected lifetimes, and M. Block, Ch. Mokry, and J. Runke for providing the actinium sample. We gratefully acknowledge discussions with R. Beerwerth and S. Fritzsche on the theory of the actinium hyperfine structure. The work was supported by the German Federal Ministry of Education and Research under the Projects No. 05P15UMCIA, No. 05P18UMCIA. D. B. was supported in part by the DFG Project ID 390831469: EXC 2118 (). D. B. also received support from the European Research Council (ERC) under the European Union Horizon 2020 Research and Innovation Program (Grant Agreement No. 695405), from the DFG Reinhart Koselleck Project. Theory work was supported in part by U.S. NSF Grant No. PHY-1620687. S. G. P. and M. G. K. acknowledge support by the Russian Science Foundation under Grant No. 19-12-00157.en
dc.format.mimetypeapplication/pdfen
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relationinfo:eu-repo/grantAgreement/RSF//19-12-00157en
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.sourcePhys Rev Lett2
dc.sourcePhysical Review Lettersen
dc.subjectACTINIUMen
dc.subjectATOMIC SPECTROSCOPYen
dc.subjectATOMSen
dc.subjectIONIZATIONen
dc.subjectLASER COOLINGen
dc.subjectNUMERICAL METHODSen
dc.subjectCOMPLEX ATOMIC SPECTRAen
dc.subjectCONFIGURATION INTERACTIONSen
dc.subjectCOUPLED-CLUSTER METHODSen
dc.subjectFUNDAMENTAL PHYSICSen
dc.subjectHYBRID APPROACHen
dc.subjectHYPERFINE STRUCTUREen
dc.subjectLASER IONIZATION SPECTROSCOPYen
dc.subjectMEDICAL ISOTOPE PRODUCTIONen
dc.subjectATOM LASERSen
dc.titleDetection of the Lowest-Lying Odd-Parity Atomic Levels in Actiniumen
dc.typeArticleen
dc.typeinfo:eu-repo/semantics/articleen
dc.typeinfo:eu-repo/semantics/publishedVersionen
dc.identifier.doi10.1103/PhysRevLett.125.073001-
dc.identifier.scopus85090170875-
local.contributor.employeeZhang, K., Helmholtz Institute Mainz, GSI Helmholtzzentrum für Schwerionenforschung, Mainz, 55099, Germany, Johannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.employeeStuder, D., Johannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.employeeWeber, F., Johannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.employeeGadelshin, V.M., Johannes Gutenberg-University Mainz, Mainz, 55099, Germany, Institute of Physics and Technology, Ural Federal University, Yekaterinburg, 620002, Russian Federation
local.contributor.employeeKneip, N., Johannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.employeeRaeder, S., Helmholtz Institute Mainz, GSI Helmholtzzentrum für Schwerionenforschung, Mainz, 55099, Germany, Johannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.employeeBudker, D., Helmholtz Institute Mainz, GSI Helmholtzzentrum für Schwerionenforschung, Mainz, 55099, Germany, Johannes Gutenberg-University Mainz, Mainz, 55099, Germany, Department of Physics, University of California at Berkeley, Berkeley, CA 94720-300, United States
local.contributor.employeeWendt, K., Johannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.employeeKieck, T., Helmholtz Institute Mainz, GSI Helmholtzzentrum für Schwerionenforschung, Mainz, 55099, Germany, Johannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.employeePorsev, S.G., Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, United States, Petersburg Nuclear Physics Institute, NRC Kurchatov Institute, Gatchina, 188300, Russian Federation
local.contributor.employeeCheung, C., Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, United States
local.contributor.employeeSafronova, M.S., Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, United States, Joint Quantum Institute, NIST, University of Maryland, College Park, MD 20742, United States
local.contributor.employeeKozlov, M.G., Petersburg Nuclear Physics Institute, NRC Kurchatov Institute, Gatchina, 188300, Russian Federation, Petersburg Electrotechnical University, LETI, Prof. Popov Str. 5, St. Petersburg, 197376, Russian Federation
local.issue7-
local.volume125-
dc.identifier.wos000557736300003-
local.contributor.departmentHelmholtz Institute Mainz, GSI Helmholtzzentrum für Schwerionenforschung, Mainz, 55099, Germany
local.contributor.departmentJohannes Gutenberg-University Mainz, Mainz, 55099, Germany
local.contributor.departmentInstitute of Physics and Technology, Ural Federal University, Yekaterinburg, 620002, Russian Federation
local.contributor.departmentDepartment of Physics, University of California at Berkeley, Berkeley, CA 94720-300, United States
local.contributor.departmentDepartment of Physics and Astronomy, University of Delaware, Newark, DE 19716, United States
local.contributor.departmentPetersburg Nuclear Physics Institute, NRC Kurchatov Institute, Gatchina, 188300, Russian Federation
local.contributor.departmentJoint Quantum Institute, NIST, University of Maryland, College Park, MD 20742, United States
local.contributor.departmentPetersburg Electrotechnical University, LETI, Prof. Popov Str. 5, St. Petersburg, 197376, Russian Federation
local.identifier.pure13697201-
local.description.order73001-
local.identifier.eid2-s2.0-85090170875-
local.fund.cordis695405-
local.fund.rsf19-12-00157-
local.identifier.wosWOS:000557736300003-
local.identifier.pmid32857542-
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