[{"id":752516,"text":"mu-  747 MeV","data":{"start":[189.2, -14.2, 123.4],"end":[57.0, 2.2, 423.1]},"children":[],"icon":"jstree-file"}, {"id":752517,"text":"proton  133 MeV","data":{"start":[189.2, -14.2, 123.4],"end":[200.0, -12.9, 129.7]},"children":[],"icon":"jstree-file"}]