Difference between revisions of "Run Meeting: March 4th, 2019"

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==Status==
 
==Status==
−
https://logbooks.jlab.org/entry/3661667
 
  
 +
* Beam down from Friday night to Saturday later afternoon
 +
:- Friday ~22:00: Beam down due to the cavity/vacuum (1L25-8/1L26) issue at north linac;
 +
:- Saturday 18:00: Beam restored;
 +
:- 18:00-19:00: escorted access for VDC Left U2 cable checking );
 +
:- Back to production.
  
−
*Day shift yesterday:
+
* Productively collecting data over after the downtime. Total charge '''2.3C''' from Sat 19:30 to Today 6:00.  
−
access to hall: insert sieve slit and repair left arm
+
−
https://logbooks.jlab.org/entry/3661126
+
−
https://logbooks.jlab.org/entry/3661185
+
−
About 54% ABU
+
  
−
*Swing shift yesterday:
+
* Yesterday ~21:53: Bogdan increased the HV for Left VDC, from -3500 to -3600. Efficiency improved.
−
A really good shift https://logbooks.jlab.org/entry/3661453 with about 70% abu
+
  
−
*Owl shift:
+
* Earlier this morning ~6:00: CODA stopped working, from run 4585. Fixed by Alex. https://logbooks.jlab.org/entry/3662865
−
One small issue with target alarm: https://logbooks.jlab.org/entry/3661494
+
−
Data wise, a decent production shift https://logbooks.jlab.org/entry/3661617 61% abu
+
  
−
*Current plan:
+
* Beam study this morning. We were taking production data during that.
−
We will continue to take production data throughout the weekend.
+
 
−
On monday, MCC will start beam studies. Hall A will be required to stay locked up.
+
* Links to the shift summaries from Friday swing.
 +
:- Mar 1 Swing: https://logbooks.jlab.org/entry/3661962 (ABU 341 mins)
 +
:- Mar 2 Owl: https://logbooks.jlab.org/entry/3662024 (ABU 0 mins)
 +
:- Mar 2 Day: https://logbooks.jlab.org/entry/3662128 (ABU 0 mins)
 +
:- Mar 2 Swing: https://logbooks.jlab.org/entry/3662283 ()
 +
:- Mar 3 Owl: https://logbooks.jlab.org/entry/3662400 (ABU 240 mins)
 +
:- Mar 3 Day: https://logbooks.jlab.org/entry/3662530  (ABU 330 mins)
 +
:- Mar 3 Swing: https://logbooks.jlab.org/entry/3662666 (ABU 254 mins)
 +
:- Mar 4 Owl: https://logbooks.jlab.org/entry/3662809 (ABU 193 mins)
  
 
==So Far==
 
==So Far==
  
−
About 15.45 coulombs of charge. Some rootfiles have some issues, so this is not 100% accurate.
+
* Taking production data, Tungsten 2.8% @30uA.
  
 
==Plan==
 
==Plan==
−
Continue with production on tungsten.
+
* Continue with production on tungsten until tomorrow ~8:30.
 +
 
 +
* '''Beam energy reduction''': from 2.221 GeV to 2.139 GeV (~4%):
 +
:- The change with take place tomorrow and is expected to be completed during tomorrow swing.
 +
:- HRS Kinematic setup will be accordingly changed.
 +
 
 +
* The RF recovery was planned from 8:30 to15:00 tomorrow. This will be covered by the energy reduction setup.  
  
 +
* The Hall will be in ''controlled access'' for tomorrow day shift.
 +
:- Switch the right arm polarity, from positive to negative, for the optics data.
 +
:- Roman: need access to Hall A tomorrow to reboot Moller DAQ crate (~10 min) and to check Left HRS VDC realy box (1-2 hours). 
 +
:- Doug will be available to provide the Hall walk-through training tomorrow.
  
 +
* Labyrinth network switches? Now or after APEX?
  
 +
* Paul K.: update firmware for BMP4B/C/D receivers, should be no impact on APEX. https://logbooks.jlab.org/entry/3663077
  
 
==Slides/Links==
 
==Slides/Links==

Latest revision as of 16:20, 4 March 2019

Back to:

Main Page
Daily Run Meetings
halog

3:30PM Run Meeting, Counting house meeting room (200C)

RC: Jinlong Zhang

Status

  • Beam down from Friday night to Saturday later afternoon
- Friday ~22:00: Beam down due to the cavity/vacuum (1L25-8/1L26) issue at north linac;
- Saturday 18:00: Beam restored;
- 18:00-19:00: escorted access for VDC Left U2 cable checking );
- Back to production.
  • Productively collecting data over after the downtime. Total charge 2.3C from Sat 19:30 to Today 6:00.
  • Yesterday ~21:53: Bogdan increased the HV for Left VDC, from -3500 to -3600. Efficiency improved.
  • Beam study this morning. We were taking production data during that.
  • Links to the shift summaries from Friday swing.
- Mar 1 Swing: https://logbooks.jlab.org/entry/3661962 (ABU 341 mins)
- Mar 2 Owl: https://logbooks.jlab.org/entry/3662024 (ABU 0 mins)
- Mar 2 Day: https://logbooks.jlab.org/entry/3662128 (ABU 0 mins)
- Mar 2 Swing: https://logbooks.jlab.org/entry/3662283 ()
- Mar 3 Owl: https://logbooks.jlab.org/entry/3662400 (ABU 240 mins)
- Mar 3 Day: https://logbooks.jlab.org/entry/3662530 (ABU 330 mins)
- Mar 3 Swing: https://logbooks.jlab.org/entry/3662666 (ABU 254 mins)
- Mar 4 Owl: https://logbooks.jlab.org/entry/3662809 (ABU 193 mins)

So Far

  • Taking production data, Tungsten 2.8% @30uA.

Plan

  • Continue with production on tungsten until tomorrow ~8:30.
  • Beam energy reduction: from 2.221 GeV to 2.139 GeV (~4%):
- The change with take place tomorrow and is expected to be completed during tomorrow swing.
- HRS Kinematic setup will be accordingly changed.
  • The RF recovery was planned from 8:30 to15:00 tomorrow. This will be covered by the energy reduction setup.
  • The Hall will be in controlled access for tomorrow day shift.
- Switch the right arm polarity, from positive to negative, for the optics data.
- Roman: need access to Hall A tomorrow to reboot Moller DAQ crate (~10 min) and to check Left HRS VDC realy box (1-2 hours).
- Doug will be available to provide the Hall walk-through training tomorrow.
  • Labyrinth network switches? Now or after APEX?

Slides/Links

MCC scheduling Whiteboard: http://accboard.acc.jlab.org/

APEX wiki page: https://hallaweb.jlab.org/wiki/index.php/APEX

Bluejeans connection information

To join the Meeting: https://bluejeans.com/256205934

To join via Room System: Video Conferencing System: bjn.vc -or-199.48.152.152 Meeting ID : 256205934

To join via phone : 1) Dial: 

  +1.408.740.7256 (United States)
  +1.888.240.2560 (US Toll Free)
  +1.408.317.9253 (Alternate number)
  (see all numbers - http://bluejeans.com/numbers)

2) Enter Conference ID : 256205934

Slides/Links

MCC scheduling Whiteboard: http://accboard.acc.jlab.org/

APEX wiki page: https://hallaweb.jlab.org/wiki/index.php/APEX

Bluejeans connection information

To join the Meeting: https://bluejeans.com/256205934

To join via Room System: Video Conferencing System: bjn.vc -or-199.48.152.152 Meeting ID : 256205934

To join via phone : 1) Dial: 

  +1.408.740.7256 (United States)
  +1.888.240.2560 (US Toll Free)
  +1.408.317.9253 (Alternate number)
  (see all numbers - http://bluejeans.com/numbers)

2) Enter Conference ID : 256205934

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