# # # Demonstrate the use of user data for radioactive decay. # Here the decay of excited No252 is simulated # Laurent Desorgher, 4 November 2011 # # /control/verbose 2 /run/verbose 1 # # set the target/detector geometry /rdecay02/det/setTargetRadius 1e10 pc /rdecay02/det/setTargetLength 1e10 pc /rdecay02/det/setDetectorThickness 1e10 pc /rdecay02/det/setDetectorLength 1e10 pc # /run/initialize # # Set a very high time threshold to allow all decays to happen /process/had/rdm/thresholdForVeryLongDecayTime 1.0e+60 year # /process/list # # rdm is applied only to the target volume /process/had/rdm/noVolumes /process/had/rdm/selectVolume Target # # Define user radioactive data # The data files should be defined before definition of the ion source # otherwise the mean life time will not be selected correctly # /process/had/rdm/setPhotoEvaporationFile 102 252 UserEvapData_z102.a252 # # place the isotopes in the middle of the target, at rest. /gun/particle ion /gun/ion 102 252 0 320.7 keV # # only few /analysis/setFileName userNo252 /analysis/h1/set 6 100 0. 15. MeV ###/analysis/ntuple/setActivation 3 true /tracking/verbose 2 /run/beamOn 10