Hello everyone,
I just did a quick study, looking at the energy/power deposition in an
Al flange, enclosing an Indium seal. The flange sits upstream of a Be
target (at a 45 deg angle and a distance of 45 cm from the target). The
target is bombarded by 480 MeV proton beam.
I chose NEW_DEFA as the defaults (so a PART-THR of 10 MeV for protons).
I did not lower this threshold using PART-THR card. When I look at the
particle fluences in the Al flange (beam particles, protons, and
neutrons), I see protons down to 1 MeV energies and I am wondering why.
It is like seeing a second set of data from 10 to 100 MeV.
Please see the image enclosed.
Thank you very much for helping me understand what is going on.
Best wishes,
Mina
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Received on Thu Feb 19 2015 - 23:29:25 CET