{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T06:53:37Z","timestamp":1791183217939,"version":"4.1.0"},"reference-count":37,"publisher":"Wiley","issue":"23","license":[{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["2020\u201003505"],"award-info":[{"award-number":["2020\u201003505"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["2022\u201002822"],"award-info":[{"award-number":["2022\u201002822"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["2024\u201004152"],"award-info":[{"award-number":["2024\u201004152"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Rapid Comm Mass Spectrometry"],"published-print":{"date-parts":[[2026,12,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Rationale<\/jats:title>\n                    <jats:p>\n                      The molecular anion WF\n                      <jats:sub>5<\/jats:sub>\n                      <jats:sup>\u2212<\/jats:sup>\n                      constitutes an isobaric interference for the mass spectrometric detection of the HfF\n                      <jats:sub>5<\/jats:sub>\n                      <jats:sup>\u2212<\/jats:sup>\n                      anion. The latter is expected to form an extremely sensitive way of detecting the\n                      <jats:italic>radionuclide<\/jats:italic>\n                      <jats:sup>182<\/jats:sup>\n                      Hf at\n                      <jats:italic>natural<\/jats:italic>\n                      levels using, for example, accelerator mass spectrometry.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Photoinduced detachment of WF\n                      <jats:sub>5<\/jats:sub>\n                      <jats:sup>\u2212<\/jats:sup>\n                      molecular anions was studied in the Double ElectroStatic Ion Ring ExpEriment (DESIREE), with the ring cooled to cryogenic temperatures (~13\u2009K). Photon energies from 2.5 to 4.5\u2009eV were applied using an OPO laser system for excitation. This energy range covers the threshold for the removal of an electron from that anion species.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Photoinduced reactions were observed which indicate the existence of an energy threshold for WF\n                      <jats:sub>5<\/jats:sub>\n                      <jats:sup>\u2212<\/jats:sup>\n                      anions above which the neutralization yield increases strongly. In that range, the data of the neutral signal could be fitted by a linear function of photon energy\n                      <jats:italic>E<\/jats:italic>\n                      , yielding a threshold energy\n                      <jats:italic>E<\/jats:italic>\n                      <jats:sub>th<\/jats:sub>\n                      \u2009=\u20093.13\u2009\u00b1\u20090.01\u2009eV. This result constitutes a substantial improvement both in the range and the resolution of the photon energy as compared to previous data and provides now a rather precise value for that threshold.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      This knowledge is required for any attempts to suppress WF\n                      <jats:sub>5<\/jats:sub>\n                      <jats:sup>\u2212<\/jats:sup>\n                      anions by photodetachment in the ultrasensitive detection of the very rare\n                      <jats:italic>radioisotope<\/jats:italic>\n                      <jats:sup>182<\/jats:sup>\n                      Hf using the\n                      <jats:sup>182<\/jats:sup>\n                      HfF\n                      <jats:sub>5<\/jats:sub>\n                      <jats:sup>\u2212<\/jats:sup>\n                      analyte anion; for that, the\n                      <jats:sup>182<\/jats:sup>\n                      WF\n                      <jats:sub>5<\/jats:sub>\n                      <jats:sup>\u2212<\/jats:sup>\n                      anion would be a stable isobaric mass interference for analyses by accelerator mass spectrometry. The radionuclide\n                      <jats:sup>182<\/jats:sup>\n                      Hf is considered of great interest in various astrophysical environments such as nucleosynthetic processes.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/rcm.70183","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T06:01:43Z","timestamp":1790229703000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Near\u2010Threshold Photodetachment of WF\n                    <sub>5<\/sub>\n                    <sup>\u2212<\/sup>\n                    Molecular Anions in a Cryogenic Storage Ring"],"prefix":"10.1002","volume":"40","author":[{"given":"Martin","family":"Martschini","sequence":"first","affiliation":[{"name":"University of Vienna Faculty of Physics, Isotope Physics \u2013 VERA Laboratory  Wien Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Leimbach","sequence":"additional","affiliation":[{"name":"Department of Physics University of Gothenburg  Gothenburg Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-4697-9391","authenticated-orcid":false,"given":"Hubert","family":"Gnaser","sequence":"additional","affiliation":[{"name":"University of Vienna Faculty of Physics, Isotope Physics \u2013 VERA Laboratory  Wien Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dag","family":"Hanstorp","sequence":"additional","affiliation":[{"name":"Department of Physics University of Gothenburg  Gothenburg Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8184-4595","authenticated-orcid":false,"given":"Mingchao","family":"Ji","sequence":"additional","affiliation":[{"name":"Department of Physics Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Martini","sequence":"additional","affiliation":[{"name":"Department of Physics Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6638-0291","authenticated-orcid":false,"given":"Ansgar","family":"Simonsson","sequence":"additional","affiliation":[{"name":"Department of Physics Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rachel","family":"Poulose","sequence":"additional","affiliation":[{"name":"Department of Physics Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mikael","family":"Bj\u00f6rkhage","sequence":"additional","affiliation":[{"name":"Department of Physics Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2493-4161","authenticated-orcid":false,"given":"Henning","family":"Zettergren","sequence":"additional","affiliation":[{"name":"Department of Physics Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8209-5095","authenticated-orcid":false,"given":"Henning T.","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Department of Physics Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robin","family":"Golser","sequence":"additional","affiliation":[{"name":"University of Vienna Faculty of Physics, Isotope Physics \u2013 VERA Laboratory  Wien Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,23]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1051\/epjconf\/202023202003"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1017\/RDC.2021.73"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.93.172501"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ppnp.2018.05.002"},{"key":"e_1_2_9_6_1","first-page":"4565","article-title":"Isobar Suppression in AMS Using Laser Photodetachment","volume":"266","author":"Forstner O.","year":"2008","journal-title":"Nuclear Instruments & Methods in Physics Research. 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