{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T11:22:26Z","timestamp":1753874546407,"version":"3.41.2"},"reference-count":48,"publisher":"AIP Publishing","issue":"2","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22241304","22225303","22103087","21973010"],"award-info":[{"award-number":["22241304","22225303","22103087","21973010"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"National Natural Science Foundation of China, Center for Chemical Dynamics","award":["22288201"],"award-info":[{"award-number":["22288201"]}]},{"name":"Scientific Instrument Developing Project of the Chinese Academy of Sciences","award":["GJJSTD20220001"],"award-info":[{"award-number":["GJJSTD20220001"]}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,7,14]]},"abstract":"<jats:p>The nonadiabatic interactions between the C\u0303 state and neighboring electronic states of SO2 have attracted much attention; however, the predissociation mechanisms are not yet completely understood. In this work, the predissociation dynamics of SO2 via its C\u0303 state have been investigated at \u03bb = 193\u2013201\u00a0nm by using the time-sliced velocity map ion imaging technique. The translational energy distributions and the branching ratios of the O(3PJ=2,1,0) spin\u2013orbit products at six photolysis wavelengths have been acquired. The SO(3\u03a3\u2212) product population gradually decreases in v = 0 and increases in v = 2 as the photolysis wavelength decreases. The branching ratios of O(3P J=2,1,0) products are almost similar at most wavelengths, except at 194.8\u00a0nm. Our data suggest that the predissociation between 193 and 201\u00a0nm is via an avoided crossing between the C\u0303 state and the repulsive triplet 23A\u2032 state. The state-to-state dynamical pictures shown in this work provide a rigorous test of the potential energy surfaces (PESs) of the SO2 and the nonadiabatic couplings between these PESs.<\/jats:p>","DOI":"10.1063\/5.0157095","type":"journal-article","created":{"date-parts":[[2023,7,13]],"date-time":"2023-07-13T10:43:19Z","timestamp":1689244999000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":0,"title":["Photodissociation dynamics of SO2 between 193 and 201 nm"],"prefix":"10.1063","volume":"159","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9376-3629","authenticated-orcid":false,"given":"Zijie","family":"Luo","sequence":"first","affiliation":[{"name":"Marine Engineering College, Dalian Maritime University 1 , Liaoning 116026, China"},{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhaoxue","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuaikang","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yarui","family":"Zhao","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-9266-9191","authenticated-orcid":false,"given":"Zhenxing","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhigang","family":"He","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2747-8499","authenticated-orcid":false,"given":"Yao","family":"Chang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2983-0433","authenticated-orcid":false,"given":"Li","family":"Che","sequence":"additional","affiliation":[{"name":"Department of Physics, School of Science, Dalian Maritime University 3 , Dalian 116026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5108-8984","authenticated-orcid":false,"given":"Kaijun","family":"Yuan","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"},{"name":"Hefei National Laboratory 4 , Hefei 230088, China"},{"name":"University of Chinese Academy of Sciences 5 , Beijing 100049, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xueming","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Molecular Reaction Dynamics and Dalian Coherent Light Source, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 2 , Dalian 116023, China"},{"name":"Hefei National Laboratory 4 , Hefei 230088, China"},{"name":"Department of Chemistry and Center for Advanced Light Source Research, College of Science, Southern University of Science and Technology 6 , Shenzhen 518055, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"317","published-online":{"date-parts":[[2023,7,13]]},"reference":[{"key":"2023071310431160300_c1","doi-asserted-by":"publisher","first-page":"154","DOI":"10.3847\/1538-3881\/ab3c4c","volume":"158","year":"2019","journal-title":"Astron. 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