[Halld-jlab] Hall D Staff Meeting Notes, March 8, 2021
Mark Ito
marki at jlab.org
Mon Mar 8 18:08:57 EST 2021
Forgot to include the link
<https://halldweb.jlab.org/wiki-private/index.php/Hall_D_Staff_Meeting,_March_8,_2021>.
On 3/8/21 5:53 PM, Mark Ito wrote:
>
> Folks,
>
> Please find the notes here and below.
>
> -- Mark
>
> ______________________________
>
>
> Hall D Staff Meeting, March 8, 2021
>
> Present: Alexander Austregesilo, Eugene Chudakov (chair), Mark Dalton,
> Alexandre Deur, Hovanes Egiyan, Sergey Furletov, Mark Ito, Igal
> Jaegle, Keigo Mizutani, Lubomir Pentchev, Patrizia Rossi, Sascha
> Somov, Simon Taylor, Tim Whitlatch, Beni Zihlmann
>
>
> Announcements, Eugene
>
> * Letters of Increase went out
> * Accelerator status: CHL 2K cold box on schedule
> * Upgraded Injector Test Facility (UITF) beam test on HDIce target
> o results disappointing
> o request submitted for another week of tests to understand
> obstacles to heat removal
> * Lattice calculation of gluex distribution announced by Jianwei Qiu
> * People need to make a plan to complete their property validation
> * All-Hands meeting announced for Thursday a 3 pm
> * Lab was expecting guidance from DOE on Medcon levels, no news yet
> * Patrizia: SOLID CD0 review started today
>
>
> Work in the Hall, Tim
>
> * Moved platform three times today
> o Survey and Alignment were in the Hall
> o position repeatable to 300 μm
> o move was in a southerly direction by 4 mm
> * TOF was surveyed at 4 mm too high
> o Beni sees the hole 5 mm too low in data
> * Other plans for the week:
> o there is an issue with the vacuum valve control signals (the
> valves themselves are fine)
> o replacing cold cathode for insulating vacuum for coil 3
> o BDX tent will be cleaned
> o nothing to be done on the DIRC by the technical staff
> o there is a leak in air system for cycling vacuum valves
> + some leaks fixed
> + compressor was running continuously
>
>
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