[{"id":776875,"text":"nu_mu  299 MeV","data":{"start":[175.0, -28.7, 805.0],"end":[-74163.0, -13897.5, -28752.9]},"children":[],"icon":"jstree-file"}, {"id":776876,"text":"proton  190 MeV","data":{"start":[175.0, -28.7, 805.0],"end":[184.0, -28.8, 827.3]},"children":[],"icon":"jstree-file"}]