[Sbs_gems] [EXTERNAL] Upper limits in terms of beam current for the GEM study planned for tomorrow

[Holly Szumila-Vance]

To be clear, the question is what current limits are we willing to test up to for the gem test tomorrow on swing- probably a question for Nilanga and/or Kondo. I think this is for coordination with MCC purposes.

On Feb 6, 2022, at 9:52 AM, Anuruddha Rathnayake <adr4zs at virginia.edu> wrote:


Dear All,

There is a discussion going on between our current RC (Arun) and some of us here in Jlab about what would be the beam current limits that we should adhere to, if it is possible to come into such a limit looking at the observations we have made so far.

I'm attaching the GEM linearity studies we have done so far, if that helps to make a decision. https://logbooks.jlab.org/entry/3932489

I believe if you use linearity studies done at SBS-11, that would be the best as our current spectrometer angles at SBS-9 are similar to what we had at SBS-9 (Please correct me if I am wrong, I know this more of as a word of mouth rather than referring to any official documentation).

Best,
Anu

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