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Non-resonant Auger spectra measured at the K-edges of carbon, nitrogen, and oxygen, as well as at the L2,3 edge of sulfur, are reported. Even though the final decay states (valence two-hole states) are the same for all edges, the resulting Auger spectra are strikingly different, highlighting the local nature of the Auger decay. Theoretical modeling, which employed a series of approaches incorporating varying levels of correlation and different treatments of the metastable states, provides a clear interpretation of the experimental spectra. The analysis highlights the crucial role of electron correlation, evident in both the density of the decay states and the spectra constructed using channel-specific partial decay widths, as well as the importance of spin\u2013orbit coupling in shaping the L-edge spectra of thiouracils.<\/jats:p>","DOI":"10.1063\/5.0339155","type":"journal-article","created":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T14:56:18Z","timestamp":1784300178000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":0,"title":["Auger spectra of thiouracils: Three molecules and four edges"],"prefix":"10.1063","volume":"165","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1174-5668","authenticated-orcid":false,"given":"Nayanthara K.","family":"Jayadev","sequence":"first","affiliation":[{"name":"Department of Chemistry, University of Southern California 1 , Los Angeles, California 90089,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1858-6818","authenticated-orcid":false,"given":"Dennis","family":"Mayer","sequence":"additional","affiliation":[{"name":"Deutsches Elektronen-Synchrotron DESY 2 , 22607 Hamburg,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5670-8057","authenticated-orcid":false,"given":"Florian","family":"Matz","sequence":"additional","affiliation":[{"name":"Department of Chemistry, KU Leuven 3 , B-3001 Leuven,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8448-7594","authenticated-orcid":false,"given":"Fabiano","family":"Lever","sequence":"additional","affiliation":[{"name":"Deutsches Elektronen-Synchrotron DESY 2 , 22607 Hamburg,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-6928-5338","authenticated-orcid":false,"given":"Lisa","family":"Mehner","sequence":"additional","affiliation":[{"name":"Department of Physics and Astronomy, University of Potsdam 4 , 14476 Potsdam,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-0804-2862","authenticated-orcid":false,"given":"Constantin","family":"Walz","sequence":"additional","affiliation":[{"name":"Department of Physics and Astronomy, University of Potsdam 4 , 14476 Potsdam,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9681-349X","authenticated-orcid":false,"given":"Marta L.","family":"Murillo-S\u00e1nchez","sequence":"additional","affiliation":[{"name":"May-Planck-Institut f\u00fcr Kernphysik 5 , 69117 Heidelberg,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7486-7238","authenticated-orcid":false,"given":"John","family":"Bozek","sequence":"additional","affiliation":[{"name":"Synchrotron SOLEIL 6 , 91190, Saint-Aubin,","place":["France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5919-424X","authenticated-orcid":false,"given":"Thomas-C.","family":"Jagau","sequence":"additional","affiliation":[{"name":"Department of Chemistry, KU Leuven 3 , B-3001 Leuven,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9111-8981","authenticated-orcid":false,"given":"Markus","family":"G\u00fchr","sequence":"additional","affiliation":[{"name":"Deutsches Elektronen-Synchrotron DESY 2 , 22607 Hamburg,","place":["Germany"]},{"name":"Department of Physical Chemistry, University of Hamburg 7 , 20146 Hamburg,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6788-5016","authenticated-orcid":false,"given":"Anna I.","family":"Krylov","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Southern California 1 , Los Angeles, California 90089,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"317","published-online":{"date-parts":[[2026,7,17]]},"reference":[{"key":"2026071710561440700_c1","doi-asserted-by":"publisher","first-page":"206","DOI":"10.1103\/physreva.22.206","article-title":"Many-body theory of core holes","volume":"22","year":"1980","journal-title":"Phys. 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