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Entry time:
Mon Aug 18 06:41:04 2025
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> > --text from email-- > Using Claudia's code, I added a layer of Al foil before the heavy ion > silicon detector. The attached plots correspond to the heavy ion > portion of fig 3(a) in the proposal. Thus it only uses ground-state > transitions and doesn't account for geometry or efficiency etc. I opt > to show only the highest and lowest beam energies for each simulation. > > As I said before, something between 10 and 20 um of Al was likely to > be the correct choice, which is confirmed. 10 um is almost to thin to > guarantee the signals are below 200 MeV, while for 20 um we start > having issues of detecting the lowest energy recoils for the low > energy run. > > We can discuss the selection in more detail at the next meeting, but > most probably we can just use some kitchen foil, adopting whatever its > thickness of 13 to 15 um depending what we find. > > The attached file starts with no degrader, then adds 10 um Al, and 1 > um Al steps up to 20 um.
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