Revision as of 19:43, 10 January 2017

Meeting General Agenda

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

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

Beam and Hall configuration

• Beam energy expected: 11.632 GeV (include synchrotron radiation losses, except for the Hall D ramp).
• Solenoid on at 1350A. Any field changes should be avoided if possible.
• Beam current: CW 1 nA-1.5 μA. 250 MHz frequency.
• FFB on or Position Slow Lock on (FFB doesn't operate below 50nA).
• Radiators:
  • Goniometer diamond radiators:
    • J1a50       (50 μm - 4.1·10^-4 R.L., 4×4 mm²) - old crystal - excellent rocking curve
    • JD70-100 (58 μm - 4.8·10^-4 R.L., 7×7 mm²) - new crystal - excellent rocking curve
    • JD70-105 (47 μm - 3.9·10^-4 R.L., 7×7 mm²) - new crystal - good rocking curve
    • JD70-104 (17 μm - 1.4·10^-4 R.L., 7×7 mm²) - new crystal - wider rocking curve - marginally usable
  • We also have one 10 μm Al radiator.
  • Amorphous
    • 1.5 µm Al (1.7·10^-5 R.L.)
    • 10 µm Al (11.2·10^-5 R.L.)
    • 30 µm Al (33.7·10^-5 R.L.)

• Tagger quadrupole on (-4.2 A).

• Collimator hole: Both 5 mm diameter and 3.4 mm diameter. Default running: 5.0 mm

• Target: LH2 target: cryogenic target

General Information

This document describes the run plan for the Hall D Spring 2017 run.

• Schedule for the Spring 2017 run:

1. Jan. 26th-Jan. 29th: Electron beam restoration
2. Jan. 30th-Mar. 22nd: Hall D Spring run.
3. Every Tuesdays: 12h of beam study. Every Thursdays, if necessary: 8h of RF recovery.

• Experiment: GlueX E12-06-102 Production
• Planned tests:
  • High-intensity GlueX test (invasive, 3 shifts)
  • TPol low energy photon run (invasive, 2 shifts)
  • ComCAL(PrimeX) prototype test (parasitic)

• Expected Staffing and responsibilities:
  • The Run Coordinator oversees the commissioning:
    • Thur. Jan. 26 - Sun. Jan. 29 (4 days): A. Deur (accelerator restoration)
    • Mon. Jan. 30 - Wed. Feb. 8 (10 days): A. Deur
    • Wed. Feb. 8 - Wed. Feb. 15 (7 days): M. Dalton (with Mon. 6th - Wed. 8th overlap)
    • Wed. Feb. 15 - Wed. Feb. 22 (7 days): A. Ostrovidov (with Mon. 13th - Wed. 15th overlap)
    • Wed. Feb. 22 - Wed. Mar. 1 (7 days): W. Boeglin (with Mon. 20th - Wed. 22nd overlap)
    • Wed. Mar. 1 - Wed. Mar. 8: (7 days): S. Dobbs (with Mon. 27th - Wed. 1st overlap)
    • Wed. Mar. 8 - Wed. Mar. 15: (7 days): R. Jones (with Mon. 6th - Wed. 8th overlap)
    • Wed. Mar. 15 - Wed. Mar. 22: (7 days): D. Lawrence (with Mon. 13th - Wed. 15th overlap)

• • The Physics Division Liaison (PDL) and Hall D Work Coordinator/Safety Warden (T. Carstens) verify that the proper safety rules are followed. PDLs are:
    • Benedikt Zihlmann.
  • The analysis coordinator (Paul Mattione) oversees the off-line diagnostic of the different systems and analysis of the data.
  • Shifts: 2 persons per shift.
• Coordination Activities:
  • The RC will attend the MCC meetings at 7:45am and 8:00am and the weekly MCC meeting (Wednesday, 1:30pm). The PDL will attend the weekly MCC meeting.
  • Daily run meetings broadcasted on Bluejeans will occur at 8:45am in the counting house conference room. The Run Coordinator will be responsible for organizing and chairing the meeting.
• Useful links:
  • Accelerator schedule
    • long term calendar
    • Scheduled Accelerator Down (SAD)/Maintenance Calendar
    • http://accboard.acc.jlab.org/
  • Links to previous runplans
    • 10.5 GeV Fall 2014
    • 6 GeV spring 2015
    • 12.05 GeV Fall 2015
    • 12.05 GeV Spring 2016
    • 11.64 GeV Spring 2016
  • Links to beam parameters/radiation level monitoring:
    • Last 8-hours plots showing 1-minute, 10-minute, and hourly averages
    • Same but Last 24-hours
    • Same but Last 72-hours
    • Week, month, and quarter (3 months) plots also exist, with similar web addresses.
    • A map of the radiation monitors

Runplan

Hall D white board (current run plan)

Hall D counting room white board

Runplan time charts

• View commissioning time charts

• View Runplan google calendar
• Edit Runplan google calendar
• MCC white board
• Spreadsheet: number of triggers

Accelerator status

1. • Link to accelerator short term schedule
   • Accelerator schedule through June 2017.

Hot Checkout

1. Hot Check OUT Status 100% ready ; 0% checked ; 0% not ready

Readiness for Fall 16 run

• <Solenoid (Eugene/Beni) is Ready.
  • Check with Spring16 data that running at 1350A vs 1200A is beneficial (Paul Mattione/Mike/Alex) Running at 1350A is prefereable for GlueX.
  • Will ramp to 100 A a few days before the start of the run, then leave power supply on at 0 V until experiment. Done.

• Surveys (Tim/Tom)
  • Target Fiducialization/alignment (Monday Sept. 19) Done
  • Tagger Microscope alignment, Tagger Hodoscope Survey (Tuesday Sept 20) Done
  • Start Counter Alignment, Target Cart Alignment (Thu. Sept 22) Done
  • Primary Collimator Fiducialization/alignment, Beam Profiler Alignment (Fri Sept 23) Done
  • CompCal Fiducialization/Alignment (Monday Sept 26) Done
  • PS High Granularity Alignment, PS beamline alignment (Tuesday Sept 27) Done
  • TAGH needs to be resurveyed.
  • Goniometer fiducialization.
• DAQ (Sergei)
  • Waiting on Trigger to be ready.
  • Most systems are tested. Successfully ran at 60 kHz, 99% livetime.
• Trigger (Alex S.)
  • System is robust. Running on cosmics. Still a few problems to be addressed:
    • FDC F125 send error messages. Fixed
    • F250 DAC sometimes fails. Fixed
    • Problem with PS/Start Counter crate: TDC sometimes generates readout problem. Problem seems to now be gone but need to be checked.
    • Problem with TagM. TDC crate. Fixed now.
• Beam line
  • Diamond status.
    • 3 new and characterized diamonds are now JLab.
  • Tagger hodoscope (Nathan/Franz)
    • Remove protective plastic tubes. Franz to remove part of them this week (Sept. 19-23). Done on 19th.
    • Once tubes are removed, need to check for light leak with scalers. Done.
    • Needs to be resurveyed
    • Needs testing with DAQ<strike>
  • <strike>Tagger microscope (Alex B./Richard) TAGM is ready
    • waiting for survey to be completed before doing hot check out. Done
    • Need to put back shielding.
    • 1 MPOD to power preamp errors out, Alex B following up. Blower on and shroud covered, ready for dark rate testing.
  • Goniometer (Hovanes)
    • Goniometer is back. Issue with control hardware. Need to be fixed and tested.
    • To be fiducialized. Done.
  • Collimator, Active collimator, profiler, flux monitor (Alex B./Hovanes).
    • AC installed and wired, needs DAQ testing A.C. needs some fine tuning.
    • Flux monitor cabled (was this verified?)
    • Collimator vertical motion control is done. 2D scan procedure is written.
    • Profiler is ready.
  • PS system (Alex S.)
    • Need software for online monitoring of photon flux.
    • Replace thermal pads?: Will decide this week (Sept. 19-23). No time to installed them for this run.
    • Installed, alignment in progress
    • High Granularity detector had Power Supply glitches. Now fixed.
    • Needs DAQ testing
  • Polarimeter (M. Dugger/Nathan) Polarimeter is ready
    • Now under vacuum.
    • Signals seen on all channels with source and scope.
    • DAQ tested
  • Target (Tim/Alexandre D.)
    • Ice test done. Leak fixed. Thin frost seen. Will add MLI to improve insulation. Leak fixed.
    • Target is now inserted.
  • TAC (Hovanes) TAC is ready and (re)checked.
  • Slow control (Hovanes)
    • Goniometer motion.
    • Need to work on vertical col. motion and need to program ComCal. (PrimEx detector) motion.
    • Have implemented temperature thr. that shut down the crates. For now, they will operate between 62F<T<82F
  • RF (Paul Mattione)
    • Fernando is implementing new TDC firmware for CAEN.
    • New board is installed.
    • Then, Paul to test the RF system.
  • Radiation monitors
    • Need to move a photon probe near goniometer. Done
    • Install OSL and chromosticks<strike>
• Detector systems
  • ST (Mark Ito)
    • <strike>Was test-cabled. Will be de-cabled, inserted and re-cabled.
    • Inserted, powered up, working with stand alone DAQ.
    • Crate burned 2 TI modules. Removed from main DAQ readout.
    • ST is now re-installed and need to be rechecked..
  • FDC (Lubomir)
    • One sector doesn't hold HV (no change)
    • Strange noise seen on each 3rd card of each chamber. Seen at 60 kHz but not at 1 kHz.
  • CDC (Beni)
    • Up and running
    • Calibrated baselines, problems with 2 channels
    • 2 weekends of cosmic data desired.
  • BCal (Elton)
    • Was turned on on Sept. 14th. Turned on LED pulser too. One of the LED low voltage doesn't work. Chris is checking it.
    • Stand alone DAQ run, all LV and SiPMs working. Intermittent problems with ADCs, possibly initialization.
    • Checked data and saw that many channels are missing. TDC were missing. This is fixed now
  • FCal (Adesh)
    • Was turned on this week (Sept. 19-23).. On since then.
    • Replaced 22 bases week of 19-24 Sept, more failures since at rate of 1-2 per day.
    • Keep replacing basis when needed.
    • Adesh to do the HCO. Done
  • TOF (Mark Ito/Beni/Alex. Ostrovidov)
    • Beni: was able to do a first calibration but unable to do it anymore. Replacing a HV module.
    • Currently taking data for TDC correction tables.
    • Paul E. would like to install a lucite shield. Fitting it was tested and it fits fine.
    • Need to verify that all ADC channels are set-up correctly.
• Online monitoring (David L.)
  • Implemented Root 6
  • Check compatibility with new F250 format. (One aspect of format might cahnge this week)
  • Ready to go with occupancy and new higher level reconstruction histograms
  • As ready as can be.
• Calibration/reconstruction/offline monitoring (Paul Mattione)
  • Ready.
• Level 3 Trigger (David L.)
  • As ready as can be given the uncertainty on what to do.
• Safety documents (Beni):
  • ESAD must be updated to include safety procedure for ComCal. motion.
  • ESAD ready, RSAD should be ready.
• Hall Status/safety (Tom/Tim)
  • Ready
• Other topics?