fixed source 10000 1 0 0 0 14000000.0 1.0 ttb true 1000.0 1 neutron photon electron positron neutron 0.0 20000000.0 neutron photon 0.0 100000.0 300000.0 500000.0 2000000.0 20000000.0 1 2 current 2 Al27 total total (n,gamma) tracklength 2 Al27 total total heating (n,gamma) collision 2 Al27 total total heating (n,gamma) analog 5 3 4 events analog