Hi Zhiyuan,
Please take a look at RADDECAY card, which includes multiplication/division factors to the transport thresholds of photons (and e-/e+) for prompt and for residual radiation. This is likely the cause.
-M
________________________________
From: owner-fluka-discuss_at_mi.infn.it <owner-fluka-discuss_at_mi.infn.it> on behalf of ÷־Զ <meizhiyuan_at_hust.edu.cn>
Sent: Monday, August 12, 2019 8:04 PM
To: fluka discuss <fluka-discuss_at_fluka.org>
Subject: [fluka-discuss]: errors when combining the calculations of prompt radiation and decay radiation
Dear FLUKA experts,
I want to calculate both prompt radiation and decay radiation in a run in one project, but I found some mistakes in photon fluence scoring.
Actually, most scores including dose, neutron fluence, resnucle work fine in the two scenarios except for photon fluence.
I can not get any results in photon fluence scores, which is used to score the secondary photon yield in prompt radiation. ALL bins results in photon fluence scores are zero.
But if I calculate the photon fluence only in a prompt radiation simulation, which means I delete all related Cards using for decay radiation calculation such as RADDECAY, IRRPROFY and so on, I can get a meaningful results of photon fluence.
This puzzled me deeply.
I hope to get your help and thank you very much!
Best regards
Zhiyuan
--
Zhiyuan Mei
meizhiyuan_at_hust.edu.cn
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Institute of Applied Electromagnetic Engineering(IAEE)
Huazhong University of Science and Technology(HUST)
Address: Luoyu Road 1037, Wuhan, China
Tel: +86-155-2701-7168
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Received on Tue Aug 13 2019 - 08:23:55 CEST