[Hallc_running] [EXTERNAL] d2n 1-pass run-plan (draft) for Mon--Thu (Aug 31-Sep 3)
Brad Sawatzky
brads at jlab.org
Fri Aug 28 19:36:49 EDT 2020
There is still some clean-up to do, but the major elements should
be here.
See item [7] of the table of contents for an easy to read bullet list:
https://hallcweb.jlab.org/wiki/index.php/D2n_Run_Plan_2020
Details are deeper on the page:
https://hallcweb.jlab.org/wiki/index.php/D2n_Run_Plan_2020#1-pass_Running
Comments are welcome.
Tentative consensus is that we will /not/ do a Moller while at 1-pass.
While the measurement itself is only half a shift, Accelerator setup
overhead has been extremely high in the recent past, leading to 12+
hours of production time lost. Dave G is pretty confident that
he can dead-reckon the beam polarization we'll get at a worst case
3--4% level based on prior measurements and what Hall A is getting now.
I'll be updating this over the weekend and it should be pretty solid by
Monday.
-- Brad
--
Brad Sawatzky, PhD <brads at jlab.org> -<>- Jefferson Lab / Hall C / C111
Ph: 757-269-5947 -<>- Fax: 757-269-5235 -<>- Pager: brads-page at jlab.org
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" but "That's funny..." -- Isaac Asimov
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