[{"id":1,"text":"pi-  1865 MeV","data":{"start":[101.0, 19.9, 6.9],"end":[-1808.4, 4145.1, 3107.9]},"children":[{"id":563,"text":"nu_mu_bar  344 MeV","data":{"start":[-1808.4, 4145.1, 3107.9],"end":[-3172.1, 6813.3, 4820.0]},"children":[],"icon":"jstree-file"},{"id":564,"text":"mu-  1188 MeV","data":{"start":[-1808.4, 4145.1, 3107.9],"end":[-3016.8, 6813.3, 5204.6]},"children":[],"icon":"jstree-file"}]}]