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0001 #==========================- Pre-initialisation parameters -=========================
0002
0003 #choose the type of phantom
0004 /changePhantom/setPhantom Phantom_sensitivity
0005
0006
0007 #set the activity in the phantom
0008 /change/Activity 500000 becquerel #3840000 becquerel
0009
0010 #Set the halflife of the isotope in units of second
0011 /change/HalfLife 6586.2 s #Halflife of F-18
0012
0013
0014 #change the number of concentric sleeves
0015 # The diameter of the sleeves are changed based on the NEMA NU2 guideline
0016 #sleeve(minDiameter, maxDiameter) = sleeve1(3.9, 6.4)mm, sleeve2(7.0, 9.5)mm, sleeve3(10.2, 12.7)mm, sleeve4(13.4, 15.9)mm, sleeve5(16.6, 19.1)mm
0017 /changePhantom/NumberOfSleeves 1 #can be changed up to 5
0018
0019 #Change the size of the phantom
0020 /changePhantom/Length 216 mm
0021
0022 #Remember to change the source position along with the phantom position
0023 /changePhantom/position 0 0 0 mm
0024
0025 /run/initialize
0026 /run/verbose 2
0027
0028 # Set a very high time threshold to allow all decays to happen
0029 /process/had/rdm/thresholdForVeryLongDecayTime 1.0e+60 year
0030
0031 /gps/particle ion
0032 /gps/ion 9 18 0 0 # F-18
0033 #/gps/particle e+
0034 /gps/energy 0
0035 /gps/pos/type Volume
0036 /gps/pos/shape Cylinder
0037 /gps/pos/centre 0 0 0 mm
0038 /gps/pos/radius 0.5 mm
0039 /gps/pos/halfz 108 mm
0040 /gps/ang/type iso
0041
0042 #/random/setSeeds 1 2
0043
0044 /run/beamOn 1000000
0045
0046
