[Gate-users] energy deposition higher than emission!!!!!!!!!!!!!!!!!!!!!!!!

AliAsghar Parach aaparach at gmail.com
Thu Jul 9 16:52:17 CEST 2009

Dear gate users,
I beg your pardon, i sent similar email several weeks ago but i did not
receive any response for this problem. in summary i questioned tow things:

1-I used GATE for dosimetry application. When i start the simulation in
GATE4 it successfully completed with no error but there was seen absorbed
dose in Vacuum out of phantom (my phantom is a sphere with the point source
in it's center).

2- when i calculate the total energy deposition in phantom (from the
absorbed dose*m) the total deposited energy in phantom is higher than energy
emitted from the point source in phantom center.
-i use voxelised phantom and source.
- i translate the point source to real center of phantom (according to gate
user's guide).

help me to find out the reason of those cases in GATE.

Ali Asghar Parach,PhD. student in Medical Physics,Tarbiat Modares
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