[{"id":1084834,"text":"e-  640 MeV","data":{"start":[125.0, -0.0, 133.3],"end":[154.1, 12.3, 154.1]},"children":[],"icon":"jstree-file"}, {"id":1084835,"text":"proton  121 MeV","data":{"start":[125.0, 0.0, 133.3],"end":[117.7, -2.1, 141.2]},"children":[],"icon":"jstree-file"}]