Dear Fluka experts,
I am a beginner in Fluka studying the gamma interactions using
collimated exposure device of Cesium-137 source of activity 2 Ci. I
made geometry of a room of dimensions 1.5m x 1.5m x 1.7m with a wall
made of carbon steel of thickness 20 cm. I used scoring card Usrtrack
and Auxscore and Usrbin regionwise in the same input. But I got two
different answers using both the scoring cards. Using usrbin, I got
energy deposited and i multiplied the answer with correction factor to
get the answer in exposure rate. I got the expected answer using
Usrtrack and Auxscore by multiplying correction factor in exposure rate.
I am facing a problem with the Usrbin score card as the answer was much
higher than expected and also it did not follow inverse square law.
Distance from source Using Usertrack & auxscore Using Userbin
30.5 cm 6.72 R/h 8.18 R/h
61 cm 1.85 R/h 2.25 R/h
91.5 cm 0.793 R/h 1.07 R/h
I am attaching the input file.
Please tell me where I am doing the mistake.
Thanks in advance,
Liji
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Received on Mon Aug 08 2016 - 13:07:04 CEST