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Calem Hoffman added section_textbf_Primary_Beam_textbf__.tex
almost 9 years ago
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\section{\textbf{Primary Beam}}
\textbf{Note from Bob Scott on the $^{34}$S charge state:} \textit{From: Scott, Robert H. The peak c.s. for $^{34}$S is 8+, you get about 1/3 peak output for 10+, 11+ output is reduced from 10+ to 1/3.}
\textbf{My reply to Matt Hendricks on minimum energy:} \textit{Acceptable Low-Energy for 34S: 374 MeV (11 MeV/u).} \textit{Acceptable beam current limit: >250 particle nano-Amps (> 2 euA for 34S8+ I believe)}.
\textbf{Response from Richard Pardo:} \textit{The 2.2 euA of 34S8+ would be 275 pnA. With 60\% transmission that would be. 165pnA. Doubling that assuming some source improvement and higher enrichment then gets us to the ~325 pnA regime at the gas cell. So we definitely don’t want to strip this to get higher energy. I hope our ``G'' cryo repairs work and we have a reliable resonator operation for that cryostat by August.}
\textbf{Bob Scott purchased enriched material:}\textit{ 99.5\% 34S for \$4.8/mg. I have a quote for 400mg at a total of \$1944.00 USD}.
