{"id":132,"date":"2024-10-31T14:36:51","date_gmt":"2024-10-31T13:36:51","guid":{"rendered":"http:\/\/wwww.icp.universite-paris-saclay.fr\/capri\/?page_id=132"},"modified":"2026-01-09T18:08:47","modified_gmt":"2026-01-09T17:08:47","slug":"etude-de-la-photoionisation-et-de-la-photoactivation","status":"publish","type":"page","link":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/interaction-avec-les-photons\/etude-de-la-photoionisation-et-de-la-photoactivation\/","title":{"rendered":"\u00c9tude de la Photoionisation et de la Photoactivation"},"content":{"rendered":"<div id=\"pl-132\"  class=\"panel-layout\" ><div id=\"pg-132-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-132-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-132-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">\u00c9tude de la Photoionisation et de la Photoactivation<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<\/div>\n<\/div><\/div><div id=\"panel-132-0-0-1\" class=\"so-panel widget widget_sow-editor\" data-index=\"1\" ><div class=\"panel-widget-style panel-widget-style-for-132-0-0-1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>Debora Scuderi (PR), Claire Romanzin (MCF), Roland Thissen (DR),Christian Alcaraz (Chercheur B\u00e9n\u00e9vole)<br \/>\nAlumni :\u00a0 Yining Jiang (Doc), Nicolas Solem (Doc)<\/p>\n<\/div>\n<\/div><\/div><\/div><div id=\"panel-132-0-0-2\" class=\"so-panel widget widget_sow-editor\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>Ce volet concerne l'\u00e9tude de la photoionisation et de la photoactivation de petites esp\u00e8ces mol\u00e9culaires. Ces recherches visent \u00e0 comprendre comment les photons interagissent avec les mol\u00e9cules, d\u00e9clenchant des ph\u00e9nom\u00e8nes d\u2019ionisation ou d\u2019activation. Ce travail, souvent en lien avec des probl\u00e9matiques en astrochimie et en chimie biologique, est rendu possible gr\u00e2ce \u00e0 des collaborations avec des infrastructures de pointe comme le Synchrotron SOLEIL.<\/p>\n<p>Quelques exemples de r\u00e9alisations du groupe sont\u00a0:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Le couplage de sources de radicaux avec un spectrom\u00e8tre TOF-TOF corr\u00e9lant \u00e9lectrons et ions qui a perm de d\u00e9crire la spectroscopie des ions de petites esp\u00e8ces transitoires ou radicalaires telles que HC<sub>5<\/sub>N, C<sub>3<\/sub>H<sub>x<\/sub>, ou CH<sub>2<\/sub>.<\/li>\n<li>La confirmation par des exp\u00e9riences de spectroscopie de photoionisation PFI-ZEKE avec des lasers VUV \u00e0 haute r\u00e9solution de la pr\u00e9sence de l\u2019ion CH<sub>3<\/sub><sup>+<\/sup> d\u00e9couverte par le t\u00e9lescope JWST.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><div id=\"panel-132-0-0-3\" class=\"so-panel widget widget_sow-image\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-c67d20f9f743-132\"\n\t\t\t\n\t\t>\n<div class=\"sow-image-container\">\n\t\t<img \n\tsrc=\"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-content\/uploads\/sites\/2\/2024\/10\/C-1_2.png\" width=\"624\" height=\"338\" srcset=\"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-content\/uploads\/sites\/2\/2024\/10\/C-1_2.png 624w, https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-content\/uploads\/sites\/2\/2024\/10\/C-1_2-300x163.png 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" title=\"C 1_2\" alt=\"\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><div id=\"panel-132-0-0-4\" class=\"so-panel widget widget_sow-editor\" data-index=\"4\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p style=\"text-align: center;\"><em>Spectre d'\u00e9mission astronomique enregistr\u00e9 par JWST et comparaison avec des simulations de CH3+ effectu\u00e9es dans les conditions suivantes (T=700K, FWHM=0,4cm\u22121). Les r\u00e9sidus des ajustements, ligne par ligne, sont repr\u00e9sent\u00e9s dans le panneau inf\u00e9rieur de la figure.<\/em><\/p>\n<\/div>\n<\/div><\/div><div id=\"panel-132-0-0-5\" class=\"so-panel widget widget_sow-editor\" data-index=\"5\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Des \u00e9tudes sur la photor\u00e9activit\u00e9 de biomol\u00e9cules, ainsi que la synth\u00e8se de mol\u00e9cules pr\u00e9biotiques par photons IR. En collaboration avec les groupes CPSysBio et Th\u00e9oSim de l\u2019ICP. Ces travaux incluent des recherches sur les modifications oxydatives de petits peptides soufr\u00e9s (Th\u00e8se de Y. Jiang (2019-22))<\/li>\n<li>L\u2019\u00e9tude de la photod\u00e9sorption de glaces d\u2019int\u00e9r\u00eat astrophysique a \u00e9galement \u00e9t\u00e9 men\u00e9e en utilisant \u00e0 la fois des rayons X et des photons VUV produits par le synchrotron SOLEIL.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><div id=\"panel-132-0-0-6\" class=\"so-panel widget widget_sow-editor panel-last-child\" data-index=\"6\" ><div class=\"panel-widget-style panel-widget-style-for-132-0-0-6\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">Collaborations<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>Chantal Hou\u00e9e-Levin (CPSysBio, ICP), Carine Clavagu\u00e9ra (Th\u00e9oSim, ICP), Mathieu Bertin et Jean-Hughes Fillon (MONARIS, Sorbonne Univ.), B\u00e9ranger Gans (ISMO, Paris Saclay), Gustavo Garcia (SOLEIL Synchrotron)<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Debora Scuderi (PR), Claire Romanzin (MCF), Roland Thissen (DR),Christian Alcaraz (Chercheur B\u00e9n\u00e9vole) Alumni :\u00a0 Yining Jiang (Doc), Nicolas Solem (Doc) Ce volet concerne l&rsquo;\u00e9tude de la photoionisation et de la photoactivation de petites esp\u00e8ces mol\u00e9culaires. Ces recherches visent \u00e0 comprendre comment les photons interagissent avec les mol\u00e9cules, d\u00e9clenchant des ph\u00e9nom\u00e8nes d\u2019ionisation ou d\u2019activation. Ce travail,&hellip;&nbsp;<a href=\"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/interaction-avec-les-photons\/etude-de-la-photoionisation-et-de-la-photoactivation\/\" rel=\"bookmark\">Lire la suite &raquo;<span class=\"screen-reader-text\">\u00c9tude de la Photoionisation et de la Photoactivation<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":114,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":100,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"class_list":["post-132","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/pages\/132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/comments?post=132"}],"version-history":[{"count":4,"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/pages\/132\/revisions"}],"predecessor-version":[{"id":517,"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/pages\/132\/revisions\/517"}],"up":[{"embeddable":true,"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/pages\/114"}],"wp:attachment":[{"href":"https:\/\/www.icp.universite-paris-saclay.fr\/capri\/wp-json\/wp\/v2\/media?parent=132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}