[{"id":1,"text":"e-  8245 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[136.5, 299.7, 95.6]},"children":[],"icon":"jstree-file"}, {"id":2,"text":"proton  31 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[199.3, 300.8, 101.0]},"children":[],"icon":"jstree-file"}, {"id":4,"text":"proton  16 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[200.1, 299.9, 100.1]},"children":[],"icon":"jstree-file"}]