[Gate-users] Ion source Issues

[Karr Aguwa]

Hello Gate Users.

Was wondering if you have set up sources using ions in Gate. I am trying to
verify that a source with energy type Fluor18 produces the same output
(dose) for  sources defined with ions. Here is the my set up. I ran the sim
with the particle version and got some dose info then ran it again with ion
version and I got zeros. Only when I added
"/gate/source/sourceF18/gps/particle   e+" to the ion version did i get
some dose info. But that dose info did NOT match the dose info for the
particle type. Any ideas? See code below..

##############
# particle version
##############
/gate/source/addSource                       sourceF18
/gate/source/sourceF18/gps/particle          e+
/gate/source/sourceF18/gps/energytype        Fluor18
/gate/source/sourceF18/setForcedUnstableFlag true

/gate/source/sourceF18/setForcedHalfLife     6586. s
/gate/source/sourceF18/setActivity           7400000 Bq
/gate/source/sourceF18/gps/type              Volume
/gate/source/sourceF18/gps/shape             Sphere
/gate/source/sourceF18/gps/radius            0.62035 cm
/gate/source/sourceF18/gps/centre            0 0 0 cm
/gate/source/sourceF18/attachTo              tumor
/gate/source/sourceF18/gps/ang/type          iso



##############
# ion version
##############
/gate/source/addSource                       sourceF18
/gate/source/sourceF18/gps/particle          ion
/gate/source/sourceF18/gps/ion               9 18 0 0
/gate/source/sourceF18/gps/energytype        Mono
/gate/source/sourceF18/gps/monoenergy        0. keV

/gate/source/sourceF18/setForcedUnstableFlag true
/gate/source/sourceF18/setForcedHalfLife     6586 s
/gate/source/sourceF18/setActivity           7400000 Bq
/gate/source/sourceF18/gps/type              Volume
/gate/source/sourceF18/gps/shape             Sphere
/gate/source/sourceF18/gps/radius            0.62035 cm
/gate/source/sourceF18/gps/centre            0 0 0 cm
/gate/source/sourceF18/attachTo              tumor
/gate/source/sourceF18/gps/ang/type          iso
# /gate/source/sourceF18/gps/particle          e+


##############
# physics (same physics for both)
##############
/gate/physics/addProcess RadioactiveDecay

/gate/physics/addProcess PhotoElectric
/gate/physics/processes/PhotoElectric/setModel StandardModel

/gate/physics/addProcess Compton
/gate/physics/processes/Compton/setModel StandardModel

/gate/physics/addProcess GammaConversion
/gate/physics/processes/GammaConversion/setModel StandardModel

/gate/physics/addProcess ElectronIonisation
/gate/physics/processes/ElectronIonisation/setModel StandardModel e-
/gate/physics/processes/ElectronIonisation/setModel StandardModel e+
/gate/physics/processes/ElectronIonisation/setStepFunction e+ 0.2 0.1 mm
/gate/physics/processes/ElectronIonisation/setStepFunction e- 0.2 0.1 mm

/gate/physics/addProcess Bremsstrahlung
/gate/physics/processes/Bremsstrahlung/setModel StandardModel e-
/gate/physics/processes/Bremsstrahlung/setModel StandardModel e+

/gate/physics/addProcess PositronAnnihilation

/gate/physics/addProcess MultipleScattering
/gate/physics/processes/MultipleScattering/setGeometricalStepLimiterType e-
distanceToBoundary
/gate/physics/processes/MultipleScattering/setGeometricalStepLimiterType e+
distanceToBoundary

-- 
Karr
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opengatecollaboration.org/mailman/private/gate-users/attachments/20120922/da7c199e/attachment.html>