[fluka-discuss]: Energy escaping the system

From: Raksha Rajput <rakshak_at_britatom.gov.in>
Date: Fri, 20 Mar 2020 12:47:37 +0530 (IST)

Dear Experts,

This following is obtained in my .out file:

1.2050E-03 (100.%) GeV available per beam particle divided into
Prompt radiation Radioactive decays
0.0000E+00 ( 0.0%) 0.0000E+00 ( 0.0%) GeV hadron and muon dE/dx
2.2984E-04 (19.1%) 0.0000E+00 ( 0.0%) GeV electro-magnetic showers
0.0000E+00 ( 0.0%) 0.0000E+00 ( 0.0%) GeV nuclear recoils and heavy fragments
0.0000E+00 ( 0.0%) 0.0000E+00 ( 0.0%) GeV particles below threshold
0.0000E+00 ( 0.0%) 0.0000E+00 ( 0.0%) GeV residual excitation energy
0.0000E+00 ( 0.0%) 0.0000E+00 ( 0.0%) GeV low energy neutrons
9.7516E-04 (80.9%) 0.0000E+00 ( 0.0%) GeV particles escaping the system
0.0000E+00 ( 0.0%) 0.0000E+00 ( 0.0%) GeV particles discarded
0.0000E+00 ( 0.0%) 0.0000E+00 ( 0.0%) GeV particles out of time limit
5.8840E-14 ( 0.0%) GeV missing



Ques is how should i interpret it ?
I have a 0.7567 MeV photon isotropic source (BEAM), used 5E+07histories, 5 cycles. Energy deposition is required at 7 cm from the source, through an attenuation of 0.4 cm SS (used DEFAULTS = EMCASA).

Kindly comment on the "energy escaping the system". Only 19.1 % electromagnetic showers ?

Also, the same input did not run with DEFAULTS = PRECISIO. Is there any specific reason for this ? Or, I can't run it with PRECISIO ?

I couldn't get the DEFAULTS selection table, as discussed previously - [ http://www.fluka.org/web_archive/earchive/new-fluka-discuss/5772.html | http://www.fluka.org/web_archive/earchive/new-fluka-discuss/5772.html ] . Kindly help on this too.

Thanks and regards,
Raksha.





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Received on Fri Mar 20 2020 - 09:36:30 CET

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