[Gate-users] Carbon beam settings

[Mikhail Polkovnikov]

Dear gate-users,


I try to simulate a Bragg curve from carbon beam with energy of 270 MeV 
per nucleon.
My setting for the beam are:

/gate/source/addSource Carb12 gps

/gate/source/Carb12/gps/particle ion
/gate/source/Carb12/gps/ion 6 12 6 0 # zeros
#/gate/source/Carb12/gps/ion 6 11 6 0 # valid data
/gate/source/Carb12/gps/pos/type Beam
/gate/source/Carb12/gps/pos/rot1 0 1 0
/gate/source/Carb12/gps/pos/rot2 1 0 0
/gate/source/Carb12/gps/pos/shape Circle
/gate/source/Carb12/gps/pos/centre 0 0 0 mm
/gate/source/Carb12/gps/pos/sigma_x 2 mm
/gate/source/Carb12/gps/pos/sigma_y 2 mm
/gate/source/Carb12/gps/ene/mono 3240 MeV # 270 MeV per nucleon
/gate/source/Carb12/gps/ene/type Mono
/gate/source/Carb12/gps/direction 0 0 1

The problem that DoseActor file contains only zeros, but when i change 
ion type from carbon 12 to carbon 11 "/gate/source/Carb12/gps/ion 6 11 6 
0" the dose distribution data for the Bragg curve becomes correct. What 
is the proper way for carbon 12 beam?


Best regards,

Mikhail,
Institute for High Energy Physics, Protvino