Hi Tom,
As you know, except for some exceptional cases, low energy (<20 MeV) neutrons in Fluka are treated in a multigroup (260) structure, so intrinsically you are bound by two energy limits even if you restrict your detector to a single energy group. In your example, for 1E-11 GeV, you would be in group 249, with energies between 9.099382E-11 and 1.332938E-11 GeV. Hopefully, such energy bandwidth is narrow enough for your application. Now, even if you would have a continuous treatment, I am not sure that scoring at a precise energy would make any sense (you would tend to get zero count) unless you would be interested at monoenergetic primaries that had not interacted at all.
-Mario
From: <owner-fluka-discuss_at_mi.infn.it> on behalf of Tom Jonas Janzen <tom.jonas.janzen_at_hs-furtwangen.de>
Date: Thursday, June 1, 2017 at 2:26 AM
To: fluka-discuss <fluka-discuss_at_fluka.org>
Subject: [fluka-discuss]: Neutron fluence scoring
Hello dear FLUKA users and experts!
First of all i want to thank you FLUKA experts for helping me solving my last problem with FLUKA. Thank you very much!
While working with FLUKA for my thesis i came across the question, if there exist a card, which can track the fluence of thermal Neutrons at a specific energy point. The USRTRCK card scores the fluence at a specific energy range (Emin and Emax), but still i don’t know, if you can track the neutron fluence for only one energy point e.g. 1E-11 GeV energy ?
Thank you for your time effort and your help!
Best Regards,
Tom Janzen
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Received on Thu Jun 01 2017 - 19:20:22 CEST