[{"id":900889,"text":"mu-  74 MeV","data":{"start":[107.5, -58.7, 33.8],"end":[119.4, -55.4, 17.4]},"children":[],"icon":"jstree-file"}, {"id":900891,"text":"proton  32 MeV","data":{"start":[107.5, -58.7, 33.8],"end":[108.1, -58.7, 34.8]},"children":[],"icon":"jstree-file"}]