[{"id":900669,"text":"mu-  214 MeV","data":{"start":[60.6, -71.3, 714.2],"end":[108.1, -27.7, 663.3]},"children":[],"icon":"jstree-file"}, {"id":900670,"text":"proton  253 MeV","data":{"start":[60.6, -71.3, 714.2],"end":[50.3, -74.8, 750.9]},"children":[],"icon":"jstree-file"}]