[{"id":1031305,"text":"mu-  221 MeV","data":{"start":[209.2, 70.7, 229.8],"end":[248.7, 29.8, 162.9]},"children":[],"icon":"jstree-file"}, {"id":1031306,"text":"proton  515 MeV","data":{"start":[209.2, 70.7, 229.8],"end":[205.5, 72.8, 247.0]},"children":[],"icon":"jstree-file"}]