Run Coordination Meetings: Spring run

General information

Weekly Meetings, 8:45am, Wednesdays, Hall D conference room. Held by the Run Coordinator. Present Run Coordinator: Alexandre Deur

Connect Information

To connect from the outside by phone please do the following

1.) To join via a Web Browser, go to the page [1] https://bluejeans.com/660743227.

2.) To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 660743227.

3.) To join via phone, use one of the following numbers and the Conference ID: 660743227.

4.) The moderator code is 8394

Dial Either +1 408 740 7256 or +1 888 240 2560 for US or Canada

4.) More information on connecting to bluejeans is available. The old ESNET and SeeVough Information is archived here.

Specific instructions for connecting from JLab's Hall D conference room:

• Turn polycon on if necessary (do it before turning the computer on)
• With the polycon, place a call at 199.48.152.152
• Press # to enable the polycom keypad, then enter the meeting id: 660743227 and #
• You may have to unmute the microphone: #*4
• Turn the computer on if needed

Meeting General Agenda

Jan. 15th 2015 meeting

1. Report relevant updates from 7:50 and 8:00 daily MCC meetings:
   • Accelerator schedule: No daily/weekly MCC meetings. Expected schedule:
   1. Feb. 13 - Feb. 26: Beam restoration (13 days)
   2. Feb. 27 - March 26: Accelerator development. Physics running conditions are similar to Fall 2014: Accelerator has priority. Possible running for Halls A/B/D.
   3. March 27 - April 2: Commission 5-pass separator.
   4. Apr. 3 - May 4: Physics run (Halls A/B/D).
   • Link to accelerator short term schedule
2. Report on Work in the Hall:
   • If you have work to do in the Hall, please notify Tom (Hall work coordinator) and if necessary, document it in the electronic logbook.
   • OSL need to be worn everywhere in Hall D.
3. Hot Check OUT Status 13% ready ; 68% checked ; 18% not ready
4. Spring 2015 runplan

Installation punch list

(items in red: must be done by 02/2715 ; Blue: must be done by 03/03/15 ; Green: Nice to have it

1. Reset HCO
2. LH2 Target
   • Installation Tim. Mid. Feb.
   • Controls Target Group. Need to assign a dedicated screen for target control.
3. Goniometer
   • • Build and install a frame at JLab for testing controls/tune procedure - Tim
     • Procure a test diamond (Hovanes will ask Hall B/ Richard thick 300 μm diamond? for initial tests -
     • Controls (Hovanes)
     • Develop and test the tuning softaware (Ken L., Richard J.)
     • Install nominal diamonds (sometimes in April)-
   • Active collimator (remains in its current position in front of 5mm hole and attached to primary collimator) -
     • Test installation in front of 3.4 mm hole Tom, Alex B.
     • Check alignment
   • Upstream profiler installed on a remotely controlled insertable holder
     • Design/contruction. Tim
     • Installation. Tom
     • Survey. Tim
     • Control Hovanes
   • Survey Tim.
     • Realign photon beam line after bellow installation
     • P.S. detectors
     • Total Absorption Counter (TAC)
     • LH2/start counter
     • Diamond
     • Photon Polarimeter
     • Solenoid (in case of floor settling)
     • Upstream profiler
4. Solenoid George.
   • Power supply maintenance Danphysics employe to come next week.
   • Flow controler
   • Trip investigation Problem may have been fixed (?) by tightening loose cable.
   • Bypass Ground fault fuse ?
5. Start Counter Eric. P.
   • Remove the piece of tape in the beam path. (Eric P.)
   • Reinstallation
6. FDC Lubomir
   • Chiller back by end of Feb. Sent to factory on 01/15/15 ? Tim/Tom
   • Implement power-off switch of equipment safety Dave B.
7. CDC Beni.
   • Cable re-routing Fernando. rerouting is on track.
   • Ready for Cosmic run (BCal trigger) Replaced a few ADC already.
8. Pair Spec. Alex S.
   • Fix ≈10 channels? Fernanda/Alex S./Vlad.
   • Have a user-friendly GUI allowing all time monitoring of coinc. rates Alex S.
9. FCal Hovanes
   • GUI
     1. Improve underlying control software
     2. Improve the GUI
10. BCal Elton
11. TOF
    • Voltage Range Fernando
12. Shielding
    • Tagger
      • Improve shielding at entrance of tagger magnet
      • shield e- beam flange
        • Use "Shadow shield (raise current wall just downstream of tagger magnet)
        • Add to the green wall a layer of 4 of polyethylene in the sheet of flame ( from beam line to south wall).
        • Fill empty beam-pipe hole in the green wall with polyethylene beads.
      • Shield near tagger rack
    • Collimator cave: shield gamma probe
13. Radiation monitor
    • Install new radiation monitors
    • Lay cables for new neutron probe downstream of Solenoid
14. Trigger Alex S.
    • FCal trigger imporvement
    • Trigger connection to TDC (Beni)
    • Firmware update
    • Change jumper in distribution board (Alex S.)?
    • Fix F125 firmware problem
    • Define trigger type and strategy for next run
15. DAQ: Multiblock mode run at ≈20 kHz
16. Online David L.
    • Fix high rate freeze
    • Upgrade O.S. (Red Hat 7)
    • Improve software for scaler readout (Mark D./Hovanes)
17. Accelerator RF timing (Elton/Fernando)
18. Photon polarimeter
    • Installation
    • Control
19. TAC
20. Phone Spring repeater. Run w/ and w/o it
21. Specific safety notice (from Tom/Tim/Mark):
    • Power to transformers T5 and T7 will be briefly shut off at 1:15pm tomorrow 16 Jan 2015. This means all of the clean power in Hall D (Bldg 202) and all of the power in the Counting House (Bldg203) will be off; except of course anything connected to a UPS. The total outage time is expected to be less than 30 minutes. If you need to do a controlled power off on your equipment please do so. Once the power is restored I will send out another e-mail to let

you know all is well. This outage should not effect the Solenoid Cryogenic supply or control (or vacuum pumps).