[{"id":925147,"text":"mu-  491 MeV","data":{"start":[233.7, 57.6, 757.5],"end":[309.9, 48.6, 961.3]},"children":[],"icon":"jstree-file"}, {"id":925149,"text":"proton  29 MeV","data":{"start":[233.7, 57.6, 757.5],"end":[233.2, 57.4, 757.1]},"children":[],"icon":"jstree-file"}]