Difference between revisions of "Run Coordination Meetings:Fall2017 Spring2018 Run"
From GlueXWiki
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**4.5K cold and ready. | **4.5K cold and ready. | ||
**Tested on 10/27/17: ramped-up twice. First time, solenoid tripped. Then, successfully reached 1350A. It was then ramped-down after 2.5h at this current. | **Tested on 10/27/17: ramped-up twice. First time, solenoid tripped. Then, successfully reached 1350A. It was then ramped-down after 2.5h at this current. | ||
+ | **Will be ramped-up after thanksgiving and will stay up for the run. | ||
− | *Surveys (Tim/Tom) | + | *<strike>Surveys (Tim/Tom) |
− | **All surveys are done. | + | **All surveys are done.</strike> |
*DAQ (Sergei). | *DAQ (Sergei). | ||
**Ready for Fall run. | **Ready for Fall run. | ||
**Need to start testing with cosmics | **Need to start testing with cosmics | ||
+ | **Waiting for trigger work to be finished. | ||
*Trigger (Alex S.) | *Trigger (Alex S.) | ||
**<strike>Will start checking boards next week (10/23 - 10/27)</strike> | **<strike>Will start checking boards next week (10/23 - 10/27)</strike> | ||
− | ** | + | **Working on trigger for μ-chamber. Ws able to read the crate with the trigger supervisor. |
+ | **TRD hardware is installed, but triggering is not checked yet. | ||
+ | **Need to check all triggers (so far, only BCal-trigger has been checked) | ||
*Beam line | *Beam line | ||
**Diamond status (Tim/Hovanes). | **Diamond status (Tim/Hovanes). | ||
− | ***Diamond surveyed. Small J1a50 (50 μm) was sent to U.Conn. on Oct. 1st for radiation damage study. New diamonds may be available early Dec. | + | ***Diamond surveyed. |
+ | ***Small J1a50 (50 μm) was sent to U.Conn. on Oct. 1st for radiation damage study. It was received. | ||
+ | ***New diamonds may be available early Dec. | ||
+ | ****They will be tested at the Saskatoon Light Source on Nov. 28. | ||
+ | ****They then will be mounted for the Spring18 run. | ||
**Tagger hodoscope (A. Somov) | **Tagger hodoscope (A. Somov) | ||
− | *** | + | ***Was powered and checked last week. Looks good. Continuing testing. |
**Tagger microscope (Alex B./Richard) | **Tagger microscope (Alex B./Richard) | ||
***Need to do voltage check. | ***Need to do voltage check. | ||
− | **Goniometer (Hovanes). | + | **<strike>Goniometer (Hovanes). |
***Λ-wire installed. | ***Λ-wire installed. | ||
− | ***Motion checked during survey. Need estimate/test/run procedure (Hovanes) | + | ***Motion checked during survey. </strike> Need estimate/test/run procedure (Hovanes) |
− | **Collimator, Active collimator, profiler, flux monitor (Alex B./Hovanes). | + | **Collimator, Active collimator, profiler, flux monitor (Alex B./Hovanes). |
+ | ***Tested flux monitor. Looks good. | ||
+ | ***Upgrading profiler to allow for coincidence between x and y signals in order to get 2D pictures. | ||
***Need test plan and simulation of data and analysis for raster beam measurement (Richard). | ***Need test plan and simulation of data and analysis for raster beam measurement (Richard). | ||
**PS system (Alex S.) | **PS system (Alex S.) | ||
+ | ***Working on LED trigger | ||
***Need to power detector for check. | ***Need to power detector for check. | ||
**Polarimeter (M. Dugger). | **Polarimeter (M. Dugger). | ||
Line 246: | Line 257: | ||
***Target was pushed in (10/23 - 10/27). Now in position. | ***Target was pushed in (10/23 - 10/27). Now in position. | ||
**TAC (Hovanes) | **TAC (Hovanes) | ||
− | ***Surveyed. In position. | + | ***Surveyed. In position. Was powered and checked. Some problems encountered. |
− | ***Need to organize special meeting to work out test plans. | + | ***<strike>Need to organize special meeting to work out test plans.</strike> |
**Slow control (Hovanes). | **Slow control (Hovanes). | ||
***<strike>Voltage control for FDC is not working.</strike> Fixed | ***<strike>Voltage control for FDC is not working.</strike> Fixed | ||
− | *** | + | ***<strike>Two of the FDC mainframes are misbehaving.</strike> |
**RF (Elton S.) | **RF (Elton S.) | ||
**Radiation monitors | **Radiation monitors | ||
*Detector systems | *Detector systems | ||
− | **ST (Mark Ito) | + | **<strike>ST (Mark Ito) |
− | ***In place. Scalers are counting. | + | ***In place. Scalers are counting.</strike> |
**FDC (Lubomir) | **FDC (Lubomir) | ||
− | *** | + | ***<strike>Two of the mainframes are misbehaving.</strike> |
− | *** | + | ***Minor issues with some LV channels: About once a week, they stop being regulated. An alarm is implemented to signal this. It can be fixed by just pressing a button. Instruction should be added to the alarm. |
+ | ***On but controls are not working yet. | ||
**CDC (Beni) | **CDC (Beni) | ||
***<strike>Baseline calibration done (10/21-10/28) and check channel baseline alignment. Did it also for FDV</strike> | ***<strike>Baseline calibration done (10/21-10/28) and check channel baseline alignment. Did it also for FDV</strike> | ||
− | ***No ADC F125 working spare available anymore. | + | ***No ADC F125 working spare available anymore. Fernando is trying to fix some and has sent others back to the manufacturer. |
** BCal (Elton/Mark D.) | ** BCal (Elton/Mark D.) | ||
− | *** | + | ***Tested with LED. |
+ | ***Need to start cosmic test. | ||
** FCal (Collin) | ** FCal (Collin) | ||
***<strike>Was turned on (10/9-10/13). 40 bases replaced. </strike> | ***<strike>Was turned on (10/9-10/13). 40 bases replaced. </strike> | ||
− | ***12 more bases need repair (10/21-10/28). Will discuss this with electronic group. | + | ***12 more bases need repair (10/21-10/28) and need to be replaced. Will discuss this with electronic group. |
− | ***Dearth of spare bases. | + | ***Dearth of spare bases. only 8 available now (11/09/17). 10 are being repaired |
**TOF (Mark Ito/Beni/Alex. Ostrovidov) | **TOF (Mark Ito/Beni/Alex. Ostrovidov) | ||
***Need to do HCO. | ***Need to do HCO. | ||
− | *** Communication problem with HV crates. 1 HV module was broken. Have to turn TOF on to see if it is fine now. | + | *** <strike> Communication problem with HV crates. 1 HV module was broken. Have to turn TOF on to see if it is fine now.</strike> Fixed. |
*Online monitoring (David L.) | *Online monitoring (David L.) | ||
*Calibration/reconstruction/offline monitoring (Alexander Austregesilo/Thomas B.) | *Calibration/reconstruction/offline monitoring (Alexander Austregesilo/Thomas B.) | ||
**Everything should be ready. Will run some checks. | **Everything should be ready. Will run some checks. | ||
+ | **Should start taking cosmic runs to allow for tests of monitoring. | ||
*muon chamber (Elton S.) | *muon chamber (Elton S.) | ||
− | **Presently (11/02) in the EEL building and being tested there. | + | **Presently (11/02) in the EEL building and being tested there. Looking fine. |
+ | **The wires were drawing more currents than expected but this is gone. The reason for this is not identified. | ||
**Crate is in the hall and being connected to main Hall D system. | **Crate is in the hall and being connected to main Hall D system. | ||
**Support structure is being prepared and should be ready by mid-end of Nov. | **Support structure is being prepared and should be ready by mid-end of Nov. | ||
Line 286: | Line 301: | ||
*Hall Status/safety (Tom/Tim) | *Hall Status/safety (Tom/Tim) | ||
− | **Rapid access | + | **Rapid access. |
− | **Discussion on what training should be implemented for rapid access? Should add procedure in safety document and send a special email to Hall D collaborations asking to carefully read it. | + | ***progressing and Installation should be ready for the Fall. (But read [https://halldweb.jlab.org/wiki/index.php/Fast_access_procedureV1 here]) |
+ | ***Discussion on what training should be implemented for rapid access? | ||
+ | ****Should add procedure in RWP safety document and send a special email to Hall D collaborations asking to carefully read it. | ||
+ | ****Should train a few local individuals (technicians and physicists) before the Spring18 run. | ||
*Other topics? | *Other topics? | ||
**Moving to weekly meeting in November? | **Moving to weekly meeting in November? |
Revision as of 09:29, 16 November 2017
Contents
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: 11.640 GeV (Same value as Fall 2016 and Spring 2017).
- Solenoid on at 1350A. Any field changes should be avoided if possible.
- CW Beam current:
- Range: 1 nA-1.5 μA. 250 MHz frequency.
- Standard production running expected at ~200 nA on 4·10-4 R.L. radiator.
- RSAD limit for most of the run, excluding high intensity tests: 250 nA on 4·10-4 R.L. radiator.
- 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.)
- Goniometer diamond radiators:
- 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 Fall 2017 and Spring 2018 run.
- Schedule for the run:
- Nov. 27th-Dec. 1st: Electron beam restoration
- Dec. 1st-Dec. 21st: Hall D Fall run.
- Dec. 21st-Jan. 8th: Xmas break. (Solenoid will be ramped down but kept cool)
- Jan. 9th-Jan. 11th: Electron beam restoration
- Jan. 12th-Mar. 23rd: Hall D Spring run.
- Every Tuesdays: 12h of beam study. Every Thursdays, if necessary: 8h of RF recovery.
- Accelerator overall plan and priorities:
- Deliver physics beam to 4 halls.
- Experiment: GlueX E12-06-102 Production
- Planned tests (Accelerator, related to Hall D):
- Test nA BPM and stripline BPM.
- Test fast raster operation.
- Evaluate Rapid Access. Rapid access will be evaluated in Fall and, if successful, will be available for use in Spring. Information on Rapid Access for this run (from T. Whitlatch)
- Planned tests (Hall D):
- Align JD70-104 (17 μm - 1.4·10-4 R.L., 7×7 mm²) (Hovanes) ? If possible in Fall 17.
- Fast raster beam characterization (R. Jones) Will necessitate high-current (??h)
- Beam halo measurements to assess background for PRad target TAC runs.
- High-intensity GlueX test (S. Furletov) (??h)
- TAC V-wire commissioning (Hovanes) (??h)
- HV CDC and FDC scans. (L. Penchev, Beni Z.)(4h×2)
- ToF non-linearity test. (Beni Z.) (1h×2 Separated by a few days)
- Muon chamber test (parasitic?) (E. Smith)
- TRD test (parasitic) (S. Furletov, L. Penchev)
- Expected Staffing and responsibilities:
- The Run Coordinator oversees the commissioning:
- Nov. 27th-Dec. 1st, 5 days: A. Deur (accelerator restoration)
- Dec. 1st-Dec. 21st, 20 days: A. Deur
- Xmas break.
- Jan. 9th-Jan. 11th, 3 days: A. Deur (accelerator restoration)
- Jan. 12th-Jan. 24th, 12 days: A. Deur
- Jan. 24th-Jan. 31st, 7 days: Sasha Ostrovidov
- Jan. 31st-Feb. 7th, 7 days: Justin Stevens
- Feb. 7th-Feb. 14th, 7 days: TBD
- Feb. 14th-Feb. 21st, 7 days: Alex Barnes
- Feb. 21st-Feb. 28th, 7 days: Zisis Papandreou
- Feb. 28th-March 7th, 8 days: Cristiano Fanelli
- March 7th-March 14th, 7 days: Richard Jones
- March 14th-March 22nd, 8 days: Naomi Jarvis
- The Run Coordinator oversees the commissioning:
- 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 (Alexander Austregesilo) oversees the off-line diagnostic of the different systems and analysis of the data.
- Shifts: 2 persons per shift.
- The Physics Division Liaison (PDL) and Hall D Work Coordinator/Safety Warden (T. Carstens) verify that the proper safety rules are followed. PDLs are:
- 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
- Links to previous runplans
- 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
- Verify electron beam quality and establish photon beam (assume 1 day).
- Ion Chambers trip threshold must be set using Al. radiators
- Tune electron beam with radiator retracted
- Radiator (amorphous and diamond) must be retracted. Collimator should be in blocking position.
- Typical levels are (for radiator retracted, collimator fully blocking, electron beam current 50 nA)
- RAD102_P1 ~ 10 mrad/hr (tagger area, gammas, between tagger and dump)
- RAD102_P2 ~ 30 mrad/hr (tagger area, gammas, on goniometer).
- RAD102_P3 ~ 0.1 mrem/hr (tagger area, neutrons, near electronics racks)
- RAD508_P1 < 0.1 mrad/hr (collimator cave, gammas).
- RAD508_P2 ~ 0. mrad/hr (Hall. Neutrons).
- Typical levels are (for radiator retracted, collimator fully blocking, electron beam current 50 nA)
- Hall D tagger CARMS, Ion Chamber and BLM threshold for beam trips should not be changed without approval of Hall D leader.
- Radiator (amorphous and diamond) must be retracted. Collimator should be in blocking position.
- Establish good photon beam
- Make sure tagger quadrupole is on (-4.2 A).
- Insert 2*10-5 RL radiator. (Call MCC and ask to mask the FSD each time the radiator is moved)
- Typical levels are (for 2*10-5 radiator, electron beam current 50 nA)
- RAD102_P1= 15 mrad/hr (tagger area, gammas, between tagger and dump)
- RAD102_P2= 30 mrad/hr (tagger area, gammas, on goniometer)
- RAD102_P3= ~2 mrem/hr (tagger area, neutrons, near electronics racks)
- RAD508_P1= ~10 mrad/hr (collimator cave, gammas).
- RAD508_P2 < ~ 0. mrad/hr (Hall. Neutrons).
- Typical levels are (for 2*10-5 radiator, electron beam current 50 nA)
- Insert 2*10-5 RL radiator. (Call MCC and ask to mask the FSD each time the radiator is moved)
- Once radiation levels are good, proceed with harp scans (Hovanes/Todd. 15 min)
- Take tagger harp scans. Check consistency with Accelerator's harps. Study beam focusing
- Radiation level study (1h):
- Run 5 min without radiator (Call MCC and ask to mask the FSD each time the radiator is moved). Beam current: 50nA. Repeat at 100 nA and 200 nA
- Run 5 min with the 10-4 radiator (Call MCC). Beam current: 50nA. Repeat at 100 nA and 200 nA
- Run 3 min with the 3*10-4 radiator (Call MCC). Beam current: 50nA. Repeat at 100 nA and 200 nA
- Active Collimator calibration. (20 + 20 mins). Call Hovanes.
- re-Insert the 10-4 radiator (Call MCC). Use about 100 nA beam current. This will provide the Act. Col. nominal positions for its high gain values.
- Determine maximum photon beam transmission by doing 2D scans using the collimator x/y motions (Hovanes. 1h)
- Repeat procedure with 2*10-5 radiator (Call MCC) and 50 nA beam current. This will provide the Act. Col. nominal positions for its low gain values.
- Record on the white board what is the beam position on 5C11b and Active Collimator for optimal photon transmission, both for low and high Act. Col. gain.
- Retract profiler.
- Verify with MCC that position slow lock is back on (locking on Act. Col. and for values corresponding to optimal photon flux).
- Detector and beamline checkout.
- Reestablish L1 trigger Alex. Somov. 3h).
- Reestablish DAQ (Sergei, 2h).
- General detector calibration (Sean Dobbs . 4h). Use 10-4 radiator.
- Run 15 min in Long Mode.
- From here on, the tasks below are interspersed with data production
- Realign 60 μm diamond (JD70-100) Align other diamond(s) later?? (Hovanes, Paul Mattione. 12h/diamond).
- Beam background measurements for PRad target TAC runs. (A. Deur/Hovanes/A. Somov) 10-200nA, no radiator, TAC in, target full 15 min runs?? Several runs throughout Fall/Spring run periods.
- Straight track run (16h, nominally at the end of the Fall run. Otherwise, end of Spring run) (Lubomir)
- Ramp down solenoid magnet (2h)
- Take straight track run data (Lubomir)
- Gluex data production
- Log in run information in the shift summary (make a run list). For each production run, log useful comments on DAQ comment window, see [2]
- Tagger quadrupole on
- Harp scans once a day: 15 min.
- If commissioning and analysis were successful, once a day (?), a beam envelope measurement by rastering on Act. Col. ??min
- Empty target run every 3 week (2h: 1- h to empty/fill back the target, 1h running). Standard production current.
- Long mode 10 min run. Once a week (20 min).
- Amorphous run. Every set of 4 diam. orientation runs. 1h Standard production current. Time to switch from pol. to unpol.: 10min. time to switch from unpol. to pol.: 30min.
- TAC commissioning, systematic studies and runs. (Hovanes, Alex Somov 2 days.)
- V-wire commissioning.
- Move around the collimator with 1mm plug to see effect on TAC. Do 4 different positions.
- Check effect of material on γ-beam path on TAC: for ex. fill the target (30 min to fill or empty target).
- Do a TAC run without solenoid field to test GEANT TAC simulation in simpler conditions. (To be done around straight-track runs).
- Concurrently with the above, 2 TAC runs (one at the beginning, one in the middle of the run). , ??h run with thick converter. 1- LH2 target empty). Use 3.4mm collimator with 1mm plug in (if available).
- Physics production data with diamonds and 5 mm hole. Ratio of para./transverse/45o/135o data:25/25/25/25. 2h runs and no more, as it may be hard to correct for calibration drifts. Switch polarization every run. Time to switch: 10min. DAQ start run overhead: 3min.
- Luminosity:
- Run at about 200 nA (for 60 μm diamond JD70-100).
- Luminosity:
- Parasitic muon chamber
- Parasitic TRD run
Hall D white board (current run plan)
Hall D counting room white board
Runplan time charts
- View Runplan google calendar
- Edit Runplan google calendar
- MCC white board
- Spreadsheet: number of triggers
Accelerator status
Hot Checkout
- Hot Check OUT Status 10% ready ; 0% checked ; 90% not ready
Readiness for Fall 17-Spring18 run
- Solenoid (Eugene/Beni)
- 4.5K cold and ready.
- Tested on 10/27/17: ramped-up twice. First time, solenoid tripped. Then, successfully reached 1350A. It was then ramped-down after 2.5h at this current.
- Will be ramped-up after thanksgiving and will stay up for the run.
Surveys (Tim/Tom)- All surveys are done.
- DAQ (Sergei).
- Ready for Fall run.
- Need to start testing with cosmics
- Waiting for trigger work to be finished.
- Trigger (Alex S.)
Will start checking boards next week (10/23 - 10/27)- Working on trigger for μ-chamber. Ws able to read the crate with the trigger supervisor.
- TRD hardware is installed, but triggering is not checked yet.
- Need to check all triggers (so far, only BCal-trigger has been checked)
- Beam line
- Diamond status (Tim/Hovanes).
- Diamond surveyed.
- Small J1a50 (50 μm) was sent to U.Conn. on Oct. 1st for radiation damage study. It was received.
- New diamonds may be available early Dec.
- They will be tested at the Saskatoon Light Source on Nov. 28.
- They then will be mounted for the Spring18 run.
- Tagger hodoscope (A. Somov)
- Was powered and checked last week. Looks good. Continuing testing.
- Tagger microscope (Alex B./Richard)
- Need to do voltage check.
Goniometer (Hovanes).Need estimate/test/run procedure (Hovanes)- Λ-wire installed.
- Motion checked during survey.
- Diamond status (Tim/Hovanes).
- Collimator, Active collimator, profiler, flux monitor (Alex B./Hovanes).
- Tested flux monitor. Looks good.
- Upgrading profiler to allow for coincidence between x and y signals in order to get 2D pictures.
- Need test plan and simulation of data and analysis for raster beam measurement (Richard).
- PS system (Alex S.)
- Working on LED trigger
- Need to power detector for check.
- Polarimeter (M. Dugger).
- Outside SSD not to be connected until Summer 2018.
- Target (Tim/Alexandre D.)
- Target was pushed in (10/23 - 10/27). Now in position.
- TAC (Hovanes)
- Surveyed. In position. Was powered and checked. Some problems encountered.
Need to organize special meeting to work out test plans.
- Slow control (Hovanes).
Voltage control for FDC is not working.FixedTwo of the FDC mainframes are misbehaving.
- RF (Elton S.)
- Radiation monitors
ST (Mark Ito)- In place. Scalers are counting.
Two of the mainframes are misbehaving.- Minor issues with some LV channels: About once a week, they stop being regulated. An alarm is implemented to signal this. It can be fixed by just pressing a button. Instruction should be added to the alarm.
- On but controls are not working yet.
Baseline calibration done (10/21-10/28) and check channel baseline alignment. Did it also for FDV- No ADC F125 working spare available anymore. Fernando is trying to fix some and has sent others back to the manufacturer.
- Tested with LED.
- Need to start cosmic test.
Was turned on (10/9-10/13). 40 bases replaced.- 12 more bases need repair (10/21-10/28) and need to be replaced. Will discuss this with electronic group.
- Dearth of spare bases. only 8 available now (11/09/17). 10 are being repaired
- Need to do HCO.
-
Communication problem with HV crates. 1 HV module was broken. Have to turn TOF on to see if it is fine now.Fixed.
- Calibration/reconstruction/offline monitoring (Alexander Austregesilo/Thomas B.)
- Everything should be ready. Will run some checks.
- Should start taking cosmic runs to allow for tests of monitoring.
- muon chamber (Elton S.)
- Presently (11/02) in the EEL building and being tested there. Looking fine.
- The wires were drawing more currents than expected but this is gone. The reason for this is not identified.
- Crate is in the hall and being connected to main Hall D system.
- Support structure is being prepared and should be ready by mid-end of Nov.
- Safety documents (Beni):
- RSAD and ESAD ready. Will be sent to Bert
- Question about adding rapid access to safety document.
- Hall Status/safety (Tom/Tim)
- Rapid access.
- progressing and Installation should be ready for the Fall. (But read here)
- Discussion on what training should be implemented for rapid access?
- Should add procedure in RWP safety document and send a special email to Hall D collaborations asking to carefully read it.
- Should train a few local individuals (technicians and physicists) before the Spring18 run.
- Rapid access.
- Other topics?
- Moving to weekly meeting in November?