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The adiabatic potential energy curves have been computed and plotted for the low-lying electronic states in the representations <jats:sup>2S+1<\/jats:sup>\u039b<jats:sup>+\/\u2212<\/jats:sup> and \u03a9<jats:sup>(\u00b1)<\/jats:sup> (with and without spin\u2013orbit coupling effect). The spectroscopic and vibrational constants have been deduced for the corresponding bound states. An analysis of the Franck\u2013Condon factors, the Einstein Coefficients, and the branching ratios among different vibrational levels has shown that both SrAt and BaAt molecules are suitable candidates for Doppler and Sysphus laser cooling. Experimental laser cooling schemes and conditions for these two molecules have been proposed. These results may pave the way for new spectroscopic and laser cooling experiments of alkaline earth astatine molecules.<\/jats:p>","DOI":"10.1038\/s41598-024-53564-5","type":"journal-article","created":{"date-parts":[[2024,3,15]],"date-time":"2024-03-15T12:02:23Z","timestamp":1710504143000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Theoretical electronic structure with spin\u2013orbit coupling effect of the molecules SrAt and BaAt for laser cooling studies"],"prefix":"10.1038","volume":"14","author":[{"given":"Amal","family":"Madi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nayla","family":"El-Kork","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Israa","family":"Zeid","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahmoud","family":"Korek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,3,15]]},"reference":[{"key":"53564_CR1","volume-title":"Molecular Spectra and Molecular Structure I. 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