Dear FLUKA experts,
I am simulating residual activity distribution for 320 MeV electron, 1.0E13 #/sec, beam dump and related experimental area using FLUKA.
The USRBIN plot I get is shown below. The distribution of activity is in the material objects, beam dumps and walls, etc
and also in the room where there is only air. Is it possible to have distribution like this as in my previous simulations
of 20 MeV gammas the activity distribution was only in the beam dumps and in the walls. I have also seen a few
reports where there was no activity distribution in air although they have energy and beam current comparable to I am using.
[cid:0670e9ed-cc70-4a8b-a2f5-e579c2bb3eb0]
Secondly, in the output file part pasted below, I just want to confirm, total activity is 63023.37 Bq/cm3 and
activity of isotope 82Pb209 is 83.2 Bq/cm3, is it correct?
Decay time : 60. s
Detector n: 1 resNuc4
(Region 2 Volume: 785.39801 cmc,
distr. type : 3 ,
Z_max: 86, N-Z_max: 49, N-Z_min: -4)
Tot. response (Bq/cmc) 63023.3789 +/- 0.0986103192 %
( --> Bq 49498436. +/- 0.0986103192 % )
**** Residual nuclei distribution ****
**** (Bq/cmc) ****
A \ Z 76 77 78 79 80 81 82 83 84 85 86
209 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 8.32E+01 0.00E+00 0.00E+00 0.00E+00 0.00E+00
+/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 1.2 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 %
207 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 6.31E+01 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
+/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 7.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 % +/- 0.0 %
206 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 4.81E+01 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
Thank you in advance,
Zafar Yasin
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Received on Thu Aug 13 2015 - 15:04:04 CEST
