[{"id":1,"text":"e-  151 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[203.1, 311.2, 160.4]},"children":[],"icon":"jstree-file"}, {"id":3,"text":"proton  26 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[198.9, 298.4, 98.0]},"children":[],"icon":"jstree-file"}]