[Prex] Daily CREX meeting today at 3:15pm & brief update

Dustin McNulty mcnulty at jlab.org
Mon Dec 9 10:37:00 EST 2019


Dear all,

We will have our regular daily run meeting today at 3:15pm.  The blue 
jeans info is:

Bluejeans Meeting ID: 256 205 934 (Direct link: 
https://bluejeans.com/256205934

Best,
Dustin

*Brief update:*

CREX low current commissioning has gone very well!

Since starting Friday swing we have nearly finished our low current run 
plans and most importantly, determined our spectrometer tune.

If the right dipole had not tripped at the end of SWING yesterday (down 
til 6 AM today), we would be starting our high current checkout 
activities this morning.

However, a vacuum problem occurred around 5:30am this morning in the N. 
Linac and is under investigation until noon or 1pm today. The hall is 
currently in Controlled Access and opportunistic work is taking place on 
the Compton system.

I am not aware of any other work that needs done in the Hall--we are 
ready for beam and ready to finish up the low current program and move 
on to high current checkout activities and commissioning.

As of now, Hall C Moller system is cooling down and projected to be 
ready for a spin dance tomorrow DAY or tomorrow SWING.  Some time after 
the spin dance, Hall C will change energy and we will be down for 
potentially a day or more

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