[{"id":0,"text":"nu_tau  468.9 MeV","data":{"traj_x":[643.3, 177.9],"traj_y":[188.3, 330.1],"traj_z":[170.1, 54.7],"start":[643.3, 188.3, 170.1],"end":[177.9, 330.1, 54.7]},"children":[{"id":0,"text":"nu_tau  276 MeV","data":{"traj_x":[177.9,239.3,239.6,378.4,379.7,379.7,459.7,459.7,559.7,609.7,3531.8],
"traj_y":[330.1,395.6,395.9,543.9,545.3,545.3,630.7,630.7,737.4,790.7,3908.8],
"traj_z":[54.7,-0.9,-1.1,-126.7,-127.8,-127.8,-200.2,-200.2,-290.7,-335.9,-2979.8],
"start":[177.9, 330.1, 54.7],"end":[3531.8, 3908.8, -2979.8]},"children":[],"icon":"jstree-file"},{"id":1,"text":"proton  83 MeV","data":{"traj_x":[177.9,174.2,174.2],
"traj_y":[330.1,331.2,331.2],
"traj_z":[54.7,50.4,50.4],
"start":[177.9, 330.1, 54.7],"end":[174.2, 331.2, 50.4]},"children":[],"icon":"jstree-file"}]}]