[{"id":1281285,"text":"mu-  149 MeV","data":{"start":[125.0, -0.0, 186.5],"end":[87.3, -14.4, 153.6]},"children":[],"icon":"jstree-file"}, {"id":1281286,"text":"proton  507 MeV","data":{"start":[125.0, 0.0, 186.5],"end":[140.5, 9.4, 297.6]},"children":[],"icon":"jstree-file"}]