[{"id":1,"text":"e-  3951 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[164.1, 315.2, 104.1]},"children":[],"icon":"jstree-file"}, {"id":2,"text":"proton  292 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[184.4, 284.9, 100.8]},"children":[],"icon":"jstree-file"}]