[{"id":1,"text":"e-  5 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[198.8, 300.0, 139.7]},"children":[],"icon":"jstree-file"}, {"id":2,"text":"proton  46 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[200.9, 301.6, 100.7]},"children":[],"icon":"jstree-file"}]