{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,26]],"date-time":"2025-12-26T05:15:43Z","timestamp":1766726143092,"version":"3.48.0"},"reference-count":80,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,12,23]],"date-time":"2025-12-23T00:00:00Z","timestamp":1766448000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Khalifa University of Science and Technology","award":["RIG-2024-053"],"award-info":[{"award-number":["RIG-2024-053"]}]},{"DOI":"10.13039\/501100015520","name":"Abu-Dhabi Department of Education and Knowledge","doi-asserted-by":"crossref","award":["AARE20-031"],"award-info":[{"award-number":["AARE20-031"]}],"id":[{"id":"10.13039\/501100015520","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>The ab initio calculations of the electronic structure of the low-lying electronic states of the CdBr molecule are characterized in the 2S+1\u039b(+\/\u2212) and \u03a9(+\/\u2212) representations using the complete active-space self-consistent field (CASSCF) method, followed by the multireference configuration interaction (MRCI) method with Davidson correction (+Q). The potential energy curves are investigated, and spectroscopic parameters (Te, Re, \u03c9e, Be, \u03b1e, \u03bce, and De) of the bound states are determined and analyzed. In addition, the rovibrational constants (Ev, Bv, Dv, Rmin, and Rmax) are reported for the investigated states with and without spin\u2013orbit coupling. The electronic transition dipole moment curve (TDMC) is obtained for the C2\u03a01\/2 \u2212 X2\u03a3+1\/2 transition. Based on these data, Franck\u2013Condon factors (FCFs), Einstein coefficient of spontaneous emission A\u03bd\u2019\u03bd, radiative lifetime \u03c4, vibrational branching ratios, and the associated slowing distance are evaluated. The results indicated that CdBr is a promising candidate for direct laser cooling, and a feasible cooling scheme employing four pumping and repumping lasers in the ultraviolet region with suitable experimentally accessible parameters is presented. These findings provide practical guidance for experimental spectroscopists exploring ultracold diatomic molecules and their applications.<\/jats:p>","DOI":"10.3390\/ijms27010184","type":"journal-article","created":{"date-parts":[[2025,12,24]],"date-time":"2025-12-24T09:58:34Z","timestamp":1766570314000},"page":"184","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Fine Structure Investigation and Laser Cooling Study of the CdBr Molecule"],"prefix":"10.3390","volume":"27","author":[{"given":"Ali","family":"Mostafa","sequence":"first","affiliation":[{"name":"Faculty of Science, Beirut Arab University, P.O. Box 11-5020 Riad El Solh, Beirut 1107 2809, Lebanon"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-3293-4556","authenticated-orcid":false,"given":"Israa","family":"Zeid","sequence":"additional","affiliation":[{"name":"Faculty of Science, Beirut Arab University, P.O. Box 11-5020 Riad El Solh, Beirut 1107 2809, Lebanon"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nariman","family":"Abu El Kher","sequence":"additional","affiliation":[{"name":"Department of Physics, Khalifa University, Abu Dhabi P.O. Box 57, United Arab Emirates"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nayla","family":"El-Kork","sequence":"additional","affiliation":[{"name":"Department of Physics, Khalifa University, Abu Dhabi P.O. Box 57, United Arab Emirates"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9684-8433","authenticated-orcid":false,"given":"Mahmoud","family":"Korek","sequence":"additional","affiliation":[{"name":"Faculty of Science, Beirut Arab University, P.O. Box 11-5020 Riad El Solh, Beirut 1107 2809, Lebanon"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,12,23]]},"reference":[{"key":"ref_1","unstructured":"Eyring, L. (1967). Advances in High Temperature Chemistry, Academic Press."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"259","DOI":"10.2134\/jeq1997.00472425002600010036x","article-title":"Chemical fractionation of cadmium, copper, nickel, and zinc in contaminated soils","volume":"26","author":"Ma","year":"1997","journal-title":"J. Environ. 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