Warning, /geant4/examples/advanced/doiPET/run_imageQualityPhantom_wholeBody.mac is written in an unsupported language. File is not indexed.
0001 #==========================- Pre-initialisation parameters -=========================
0002
0003 ########### Image Quality Phantom ####################
0004 #choose the type of phantom
0005 /changePhantom/setPhantom NEMA_imageQualityPhantom_wholeBody
0006
0007 #set the activity in the phantom
0008 /change/Activity 3840000 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 /run/initialize
0014 /run/verbose 2
0015
0016 # Set a very high time threshold to allow all decays to happen
0017 /process/had/rdm/thresholdForVeryLongDecayTime 1.0e+60 year
0018
0019 #### the activity distribution of the hot source to the background (BG) is 4:1. The activity distribution ratio is done by considering the volume of the phantoms
0020
0021 #hotsphere1, diameter = 10 mm
0022 /gps/source/intensity 3
0023 /gps/particle ion
0024 /gps/ion 9 18 0 0 # F-18
0025 /gps/energy 0 keV
0026 /gps/pos/type Volume
0027 /gps/pos/shape Sphere
0028 /gps/pos/centre 28.6 49.5367 0 mm
0029 /gps/pos/radius 5 mm
0030 /gps/ang/type iso
0031
0032 #hotsphere2, diameter = 13 mm
0033 /gps/source/add 6.591
0034 /gps/ion 9 18 0 0 # F-18
0035 /gps/energy 0 keV
0036 /gps/pos/type Volume
0037 /gps/pos/shape Sphere
0038 /gps/pos/centre -28.6 49.5367 0 mm
0039 /gps/pos/radius 6.5 mm
0040 /gps/ang/type iso
0041
0042
0043 #hotsphere3, diameter = 17 mm
0044 /gps/source/add 14.739
0045 /gps/ion 9 18 0 0 # F-18
0046 /gps/energy 0 keV
0047 /gps/pos/type Volume
0048 /gps/pos/shape Sphere
0049 /gps/pos/centre -57.2 0 0 mm
0050 /gps/pos/radius 8.5 mm
0051 /gps/ang/type iso
0052
0053
0054 #hotsphere4, diameter = 22 mm
0055 /gps/source/add 31.944
0056 /gps/ion 9 18 0 0 # F-18
0057 /gps/energy 0 keV
0058 /gps/pos/type Volume
0059 /gps/pos/shape Sphere
0060 /gps/pos/centre -28.6 -49.5367 0 mm
0061 /gps/pos/radius 11 mm
0062 /gps/ang/type iso
0063
0064
0065
0066 ################ activity for body phantom ###################
0067 /gps/source/add 18576.41
0068 /gps/particle ion
0069 /gps/ion 9 18 0 0 # F-18
0070 /gps/pos/type Volume
0071 /gps/pos/shape Cylinder
0072
0073 #The body phantom is shifted as discribed in the NEMA standard
0074 /gps/pos/centre 0 -35 -23 mm
0075 /gps/pos/radius 147 mm
0076 /gps/pos/halfz 88.5 mm
0077 /gps/ang/type iso
0078
0079
0080 ########## activity for test phantom (line source) ###########
0081 #the same intensity as body phantom
0082
0083 /gps/source/add 31579.9
0084 /gps/particle ion
0085 /gps/ion 9 18 0 0 # F-18
0086 /gps/pos/type Volume
0087 /gps/pos/shape Cylinder
0088
0089 #The line source shifted by +418 mm in z direction and 45 mm in the y direction toward the patient bed
0090 /gps/pos/centre 0 -45 432.5 mm
0091 /gps/pos/radius 1.6 mm
0092 /gps/pos/halfz 350 mm
0093 /gps/ang/type iso
0094
0095
0096 #/random/setSeeds 1 2
0097
0098 /run/beamOn 10000
0099
0100
0101
