{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T00:27:15Z","timestamp":1789691235191,"version":"4.0.1"},"reference-count":64,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"33","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sci. Adv."],"published-print":{"date-parts":[[2022,8,19]]},"abstract":"<jats:p>\n                    Molecular oxygen, O\n                    <jats:sub>2<\/jats:sub>\n                    , is vital to life on Earth and possibly also on exoplanets. Although the biogenic processes leading to its accumulation in Earth\u2019s atmosphere are well understood, its abiotic origin is still not fully established. Here, we report combined experimental and theoretical evidence for electronic state\u2013selective production of O\n                    <jats:sub>2<\/jats:sub>\n                    from SO\n                    <jats:sub>2<\/jats:sub>\n                    , a chemical constituent of many planetary atmospheres and one that played an important part on Earth in the Great Oxidation Event. The O\n                    <jats:sub>2<\/jats:sub>\n                    production involves dissociative double ionization of SO\n                    <jats:sub>2<\/jats:sub>\n                    leading to efficient formation of the\n                    <jats:inline-formula>\n                      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\" overflow=\"scroll\">\n                        <mml:semantics definitionURL=\"\" encoding=\"\">\n                          <mml:mrow>\n                            <mml:msubsup>\n                              <mml:mi mathvariant=\"normal\">O<\/mml:mi>\n                              <mml:mn>2<\/mml:mn>\n                              <mml:mo>+<\/mml:mo>\n                            <\/mml:msubsup>\n                          <\/mml:mrow>\n                        <\/mml:semantics>\n                      <\/mml:math>\n                    <\/jats:inline-formula>\n                    ion, which can be converted to abiotic O\n                    <jats:sub>2<\/jats:sub>\n                    by electron neutralization or by charge exchange. This formation process may contribute substantially to the abundance of O\n                    <jats:sub>2<\/jats:sub>\n                    and related ions in planetary atmospheres, such as the Jovian moons Io, Europa, and Ganymede. We suggest that this sort of ionic pathway for the formation of abiotic O\n                    <jats:sub>2<\/jats:sub>\n                    involving multiply charged molecular ion decomposition may also exist for other atmospheric and planetary molecules.\n                  <\/jats:p>","DOI":"10.1126\/sciadv.abq5411","type":"journal-article","created":{"date-parts":[[2022,8,19]],"date-time":"2022-08-19T13:57:37Z","timestamp":1660917457000},"source":"Crossref","is-referenced-by-count":22,"title":["Abiotic molecular oxygen production\u2014Ionic pathway from sulfur dioxide"],"prefix":"10.1126","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5322-832X","authenticated-orcid":true,"given":"M\u00e5ns","family":"Wallner","sequence":"first","affiliation":[{"name":"University of Gothenburg, Department of Physics, Origov\u00e4gen 6B, 412 58 Gothenburg, Sweden."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6035-4252","authenticated-orcid":true,"given":"Mahmoud","family":"Jarraya","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Tunis El Manar, Facult\u00e9 des Sciences de Tunis, Laboratoire de Spectroscopie Atomique, Mol\u00e9culaire et Applications\u2014LSAMA, 2092 Tunis, Tunisia."},{"name":"Universit\u00e9 Gustave Eiffel, COSYS\/IMSE, 5 Bd Descartes, 77454 Champs sur Marne, France."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6200-4280","authenticated-orcid":true,"given":"Emelie","family":"Olsson","sequence":"additional","affiliation":[{"name":"University of Gothenburg, Department of Physics, Origov\u00e4gen 6B, 412 58 Gothenburg, Sweden."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8315-4897","authenticated-orcid":true,"given":"Veronica","family":"Ideb\u00f6hn","sequence":"additional","affiliation":[{"name":"University of Gothenburg, Department of Physics, Origov\u00e4gen 6B, 412 58 Gothenburg, Sweden."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard J.","family":"Squibb","sequence":"additional","affiliation":[{"name":"University of Gothenburg, Department of Physics, Origov\u00e4gen 6B, 412 58 Gothenburg, Sweden."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saida","family":"Ben Yaghlane","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Tunis El Manar, Facult\u00e9 des Sciences de Tunis, Laboratoire de Spectroscopie Atomique, Mol\u00e9culaire et Applications\u2014LSAMA, 2092 Tunis, Tunisia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9527-3890","authenticated-orcid":true,"given":"Gunnar","family":"Nyman","sequence":"additional","affiliation":[{"name":"University of Gothenburg, Department of Chemistry and Molecular Biology, Kemig\u00e5rden 4, 412 96 Gothenburg, Sweden."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John H.D.","family":"Eland","sequence":"additional","affiliation":[{"name":"Oxford University, Department of Chemistry, Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5234-3935","authenticated-orcid":true,"given":"Raimund","family":"Feifel","sequence":"additional","affiliation":[{"name":"University of Gothenburg, Department of Physics, Origov\u00e4gen 6B, 412 58 Gothenburg, Sweden."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4737-7978","authenticated-orcid":true,"given":"Majdi","family":"Hochlaf","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Gustave Eiffel, COSYS\/IMSE, 5 Bd Descartes, 77454 Champs sur Marne, France."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1098\/rstb.2006.1838"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00053803"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1029\/JC086iC02p01147"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1029\/JC084iC06p03097"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsl.2013.10.024"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1088\/2041-8205\/785\/2\/L20"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1089\/ast.2014.1231"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1038\/srep13977"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1257156"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.icarus.2020.113999"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpclett.0c03386"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1038\/nchem.2427"},{"key":"e_1_3_2_14_2","unstructured":"A. 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