[{"id":1,"text":"e-  7051 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[163.6, 305.1, 101.9]},"children":[],"icon":"jstree-file"}, {"id":2,"text":"proton  45 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[199.4, 298.6, 99.9]},"children":[],"icon":"jstree-file"}]