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The S(1S) + CS(X1\u03a3+) channel was directly observed from the measured images of S(1S) products in the wavelength range of 290.10\u2013336.88\u00a0nm. The translational energy distributions and angular distributions of fragments have been derived. Rovibrational states of the CS(X1\u03a3+) co-products were partially resolved in the translational energy spectra and can be populated up to the energy limit of the available energy. Experimental results also show that the product anisotropy parameters are \u03b22 &amp;gt; 0 and \u03b24 \u223c 0. The latter indicates that the intermediate state reached by the first one photon excitation has a quite long lifetime, while the former suggests the molecules undergo a parallel transition from the intermediate state to the final state upon the second photon excitation and then experience a fast dissociation process. Combined with previous studies, we propose a possible dissociation mechanism: after absorbing two photons in the range of 290.10\u2013336.88\u00a0nm, the CS2\u00a0molecule may undergo a sequential transition 1A1(1\u03a3g+) \u2190 11B2(1\u0394u)\/1A2(1\u0394u) \u2190 X1\u03a3g+, then directly dissociate or couple to other electronic states and dissociate.<\/jats:p>","DOI":"10.1063\/5.0283135","type":"journal-article","created":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T10:44:51Z","timestamp":1753353891000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":1,"title":["Two-photon photodissociation dynamics study of CS2: The S(1S) atom channel"],"prefix":"10.1063","volume":"163","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-4293-8204","authenticated-orcid":false,"given":"Shuaikang","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Chemical Physics, School of Chemistry and Materials 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