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| − | === Fall 2018 GlueX Run ===
| + | The correct page is [https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Fall2018_Run here] |
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| − | == Connect Information ==
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| − | To connect from the outside by phone please do the following
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| − | 1.) To join via a Web Browser, go to the page [https://bluejeans.com/660743227] https://bluejeans.com/660743227.
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| − | 2.) To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 660743227.
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| − | 3.) To join via phone, use one of the following numbers and the Conference ID: 660743227.
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| − | 4.) The moderator code is <font color="red">8394</font>
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| − | Dial Either +1 408 740 7256 or +1 888 240 2560 for US or Canada
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| − | Specific instructions for connecting from JLab's Hall D conference room:
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| − | *Turn polycon on if necessary (do it before turning the computer on)
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| − | *With the polycon, place a call at 199.48.152.152
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| − | *Press # to enable the polycom keypad, then enter the meeting id: 660743227 and #
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| − | *You may have to unmute the microphone: #*4
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| − | *Turn the computer on if needed
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| − | ==Beam and Hall configuration ==
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| − | * Beam energy expected:
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| − | ** 11.640 GeV (same value as Fall 2016 to Spring 2018) until Nov. 15th.
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| − | ** Then 10.3 GeV until Nov. 15th.
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| − | ** Then 9.0 GeV until Dec. 19th.
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| − | * Solenoid on at 1350A. Any field changes should be avoided if possible.
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| − | * CW Beam current:
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| − | ** Range: 1 nA-1.5 μA. 250 MHz frequency.
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| − | ** Standard production running expected at 530 nA on 1.4·10<sup>-4</sup> R.L. radiator (17 μm diamond).
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| − | ** RSAD limit for most of the run, excluding high intensity tests: 600 nA on 1.6·10<sup>-4</sup> R.L. radiator.
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| − | * FFB on or Position Slow Lock on (FFB doesn't operate below 50nA).
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| − | * Radiators:
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| − | **Goniometer diamond radiators:
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| − | <!--*** J1a50 (50 μm - 4.1·10<sup>-4</sup> R.L., 4×4 mm²) - old crystal - excellent rocking curve
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| − | ***<font color="red"><b>JD70-100</b> (58 μm - 4.8·10<sup>-4</sup> R.L., 7×7 mm²) - new crystal - excellent rocking curve </font>-->
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| − | ***<font color="red"><b>JD70-104 (17 μm - 1.4·10<sup>-4</sup> R.L., 7×7 mm²) - wider rocking curve - Tested in Spring 2018: Yielded reasonable polarization.</b></font>
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| − | ***JD70-105 (47 μm - 3.9·10<sup>-4</sup> R.L., 7×7 mm²) - new crystal - good rocking curve
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| − | **We also have one 40 μm Al radiator.
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| − | **Amorphous
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| − | *** 1.5 µm Al (1.7·10<sup>-5</sup> R.L.)
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| − | *** 10 µm Al (11.2·10<sup>-5</sup> R.L.)
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| − | *** 30 µm Al (33.7·10<sup>-5</sup> R.L.)
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| − | *Tagger quadrupole on (-4.2 A).
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| − | * Collimator hole: Both 5 mm diameter and 3.4 mm diameter. Default running: 5.0 mm, including with 17 μm diamond.
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| − | * Target: LH2 target: [https://hdops.jlab.org/wiki/index.php/Cryogenic_Target_Shift cryogenic target]
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| − | =General Information=
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| − | This document describes the run plan for the Hall D Fall 2018 run.
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| − | * Schedule for the run:
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| − | # Aug. 15th - 21st: Electron beam restoration
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| − | # Aug. 21st - Oct. 28th: GlueX-I run (E=11.64 GeV).
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| − | # Oct. 28th - Nov. 19th: DIRC and ComCal installation(? Solenoid will be ramped down but kept cool? )
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| − | # Nov. 20th - Dec. 09th: GlueX-II and Primex tests. Lower energy measurement checks. (E=10.3 GeV)
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| − | # Dec. 10th - Dec. 12th: Linac energy change.
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| − | # Dec. 13th - Dec. 19th: GlueX-II and Primex tests. Lower energy measurement checks. (E=9.0 GeV)
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| − | # Every Tuesdays: 12h of beam study. Every Thursdays, if necessary: 8h of RF recovery.
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| − | * Accelerator overall plan and priorities:
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| − | #Deliver physics beam to 4 halls.
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| − | * Experiment: GlueX [https://misportal.jlab.org/mis/physics/experiments/searchProposals.cfm?paramHall=D¶mExperimentEnergy=12GeV¶mExperimentStatusList=A,G E12-06-102] Production
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| − | * Planned tests (Accelerator, related to Hall D):
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| − | ** Tests nA BPM and stripline BPM ?
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| − | ** Test fast raster operation ?
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| − | * Planned tests (Hall D):
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| − | ** At 11.6 GeV:
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| − | *** Align JD70-105 (47 μm - 3.9·10-4 R.L., 7×7 mm²) (Hovanes) and take enough data to achieve ~1% statistic on rho polarimetry (less than a shift at 190 nA).
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| − | *** Fast raster beam characterization (R. Jones) ? Will necessitate high-current (??h)
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| − | *** High-intensity GlueX L1 and DAQ tests (A. Somov, S. Furletov) ?
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| − | *** Muon chamber test ? (parasitic?) (E. Smith)
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| − | ***TRD test (parasitic) (S. Furletov, L. Penchev)
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| − | ** At 10.2 GeV:
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| − | ***DIRC commissioning (J. Stevens)
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| − | ***ComCal commissioning (A. Somov?)
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| − | ***Strait track run (L. Penchev)
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| − | ***ComCal test (no B-field, no DC on) (A. Somov?)
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| − | ** At 9.0 GeV:
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| − | * Expected Staffing and responsibilities:
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| − | **The Run Coordinator oversees the commissioning:
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| − | *** Aug. 15th-Aug. 21st, 7 days: Alexandre Deur (accelerator restoration)
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| − | *** Aug. 22nd-Aug. 28th, 7 days: Alexandre Deur
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| − | *** Aug. 29th-Sept 4th, 7 days: Cristiano Fanelli
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| − | *** Sept. 5th-Sept. 11th, 7 days: Colin Gleason
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| − | *** Sept. 12th-Sept. 18th, 7 days: Alexander Austregesilo
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| − | *** Sept. 19th-Sept. 25th: <font color="red"> TBD </font>
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| − | *** Sept. 26th-Oct. 2nd, 7 days: Naomi Jarvis
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| − | *** Oct. 3rd-Oct. 9th, 7 days: Stuart Fegan
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| − | *** Oct. 10th-Oct. 16th: <font color="red"> TBD </font>
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| − | *** Oct. 17th-Oct. 23rd: <font color="red"> TBD </font>
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| − | *** Oct. 24th-Oct. 28th: <font color="red"> TBD </font>
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| − | *** Oct. 29th-Nov. 17th: Hall open for installation
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| − | *** Nov. 14th-Nov. 20th, 7 days: Alexandre Deur
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| − | *** Nov. 21st-Nov. 27th, 7 days: Richard Jones
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| − | *** Nov. 28st-Dec. 4th, 7 days: Wenliang Li
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| − | *** Dec. 5th-Dec. 11th: <font color="red"> TBD </font>
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| − | *** Dec. 12th-Dec. 20th: Jeorg Reinhold
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| − | **The Physics Division Liaison (PDL) and Hall D Work Coordinator/Safety Warden (T. Carstens) verify that the proper safety rules are followed. PDLs are:
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| − | ***Benedikt Zihlmann.
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| − | **The analysis coordinator (Alexander Austregesilo) oversees the off-line diagnostic of the different systems and analysis of the data.
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| − | **Shifts: 2 persons per shift.
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| − | * Coordination Activities:
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| − | ** 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.
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| − | ** 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.
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| − | * Useful links:
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| − | **Accelerator schedule
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| − | ***[https://www.jlab.org/exp_prog/experiment_schedule/2018/20180511.0_ExpSch.pdf long term calendar]
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| − | ***[https://accweb.acc.jlab.org/calendar/ Scheduled Accelerator Down (SAD)/Maintenance Calendar]
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| − | ***[http://accboard.acc.jlab.org/ http://accboard.acc.jlab.org/]
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| − | **Links to previous runplans
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| − | ***[https://halldweb.jlab.org/hdops/wiki/index.php/Fall_2014_Commissioning_Plan 10.5 GeV Fall 2014]
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| − | ***[https://halldweb.jlab.org/hdops/wiki/index.php/Spring_2015_6GeV_Commissioning_Plan 6 GeV spring 2015]
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| − | ***[https://halldweb.jlab.org/wiki/index.php/Fall_2015_Commissioning_Plan 12.05 GeV Fall 2015]
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| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:_Spring_2016_Run 12.05 GeV Spring 2016]
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| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:_Fall_2016_Run 11.64 GeV Fall 2016]
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| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:_Spring_2017_Run 11.64 GeV Spring 2017]
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| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Fall2017_Spring2018_Run 11.64 GeV Fall 2017 and Spring 2018 runs]
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| − | ** Links to beam parameters/radiation level monitoring:
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| − | ***[https://www.jlab.org/accel/RadCon/opsgraphs/8h/halld_8h.pdf Last 8-hours plots showing 1-minute, 10-minute, and hourly averages]
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| − | ***[https://www.jlab.org/accel/RadCon/opsgraphs/24h/halld_24h.pdf Same but Last 24-hours]
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| − | ***[https://www.jlab.org/accel/RadCon/opsgraphs/72h/halld_72h.pdf Same but Last 72-hours]
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| − | ***Week, month, and quarter (3 months) plots also exist, with similar web addresses.
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| − | *** A map of the radiation monitors [[File:Location_detect2.jpg | 100px]]
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| − | == Runplan ==
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| − | #Verify electron beam quality and establish photon beam (assume 1 day).
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| − | #*<b>Ion Chambers trip threshold must be set using Al. radiators</b>
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| − | #*Tune electron beam with radiator retracted
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| − | #**<b>Radiator (amorphous and diamond) must be retracted. Collimator should be in blocking position. </b>
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| − | #***Typical levels are (for radiator retracted, collimator fully blocking, electron beam current 50 nA)
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| − | #****RAD102_P1 <span style="color:#ff00ff">~ 10 mrad/hr</span> (tagger area, gammas, between tagger and dump)
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| − | #****RAD102_P2 <span style="color:#ff00ff">~ 0.1 mrad/hr</span> (tagger area, gammas, on the goniometer).
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| − | #****RAD102_P3 <span style="color:#ff00ff">~ 0.3 mrem/hr</span> (tagger area, neutrons, near electronics racks)
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| − | #****RAD508_P1 <span style="color:#ff00ff">< 0.1 mrad/hr</span> (collimator cave, gammas).
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| − | #****RAD508_P2 <span style="color:#ff00ff">~ 0. mrad/hr</span> (Hall. Neutrons).
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| − | #**<b>Hall D tagger CARMS, Ion Chamber and BLM threshold for beam trips should not be changed without approval of Hall D leader.</b>
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| − | <!--#*Check bleedthrough level. 10min Hovanes. <font color="red">Hall A/B/C needs to be running</font>-->
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| − | #*Establish good photon beam
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| − | #* Make sure tagger quadrupole is on and at -4.2 A. (It can be turned on only once the Hall is n power/beam permit.)
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| − | #**Insert 2*10<sup>-5</sup> RL radiator. <b><font color="red">Call MCC and ask to mask the FSD and turn off beam each time a radiator is moved</font></b>
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| − | #*** Typical levels are (for 2×10<sup>-5</sup> radiator, electron beam current 50 nA)
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| − | #****RAD102_P1= <span style="color:#ff00ff">35 mrad/hr</span> (tagger area, gammas, between tagger and dump)
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| − | #****RAD102_P2= <span style="color:#ff00ff"> 0.5 mrad/hr</span> (tagger area, gammas, on the goniometer)
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| − | #****RAD102_P3= <span style="color:#ff00ff"> ~2 mrem/hr</span> (tagger area, neutrons, near electronics racks)
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| − | #****RAD508_P1= <span style="color:#ff00ff">~10 mrad/hr</span> (collimator cave, gammas).
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| − | #****RAD508_P2 <span style="color:#ff00ff">< ~ 0. mrad/hr</span> (Hall. Neutrons).
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| − | #*Verify beam position and envelope.
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| − | #**Ask MCC for 5C11 and 5C11B HARP. Then do our radiator HARP scan, [https://halldweb.jlab.org/hdops/wiki/index.php/Beam_Line_Detectors_Shift#Radiator_Harp_Scan see instruction]. If it looks good, proceed to next step. Otherwise, inform MCC.
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| − | #**Insert profiler (no need for masking FSD when an object is inserted in the photon line), run with 10×10<sup>-4</sup> radiator and 50 nA. Beam on the profiler should be at x=0.0±0.5cm; y=0.0±0.5cm. If not, inform MCC.
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| − | #*Radiation level study (1h):
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| − | #**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
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| − | #**Run 5 min with the 10<sup>-4</sup> radiator (Call MCC). Beam current: 50nA. Repeat at 100 nA and 200 nA
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| − | #**Run 3 min with the 3*10<sup>-4</sup> radiator (Call MCC). Beam current: 50nA. Repeat at 100 nA and 200 nA
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| − | #*Microscope yield study (row-by-row scan). (Richard/Jim McIntyre, 1h)
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| − | #**Call Richard Jones <!-- 860-377-5224--> 20 min before the start of this task. Call Alex Somov to set-up the PS trigger.
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| − | #**Insert 5mm collimator.
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| − | #**[https://logbooks.jlab.org/entry/3497901 Procedure to follow]
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| − | #**Any type of beam quality will do.
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| − | #**10<sup>-4</sup> radiator, 10<sup>-3</sup> convertor, 80 nA beam current.
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| − | #* Active Collimator calibration. (20 + 20 mins). Call Hovanes.
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| − | #**re-Insert the 10<sup>-4</sup> radiator (Call MCC). Use about 100 nA beam current. This will provide the Act. Col. nominal positions for its high gain values.
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| − | #**Determine maximum photon beam transmission by doing 2D scans using the collimator x/y motions (Hovanes. 1h)
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| − | #** Repeat procedure with 2*10<sup>-5</sup> radiator (Call MCC) and 50 nA beam current. This will provide the Act. Col. nominal positions for its low gain values.
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| − | #**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.
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| − | #**Until Hovanes determines to optimal 5C11b and Active Collimator position, keep profiler in and beam locked (MCC's duty) on the nominal 5C11b and x=0,y=0 profiler position. Once Active Collimator nominal beam position is known, retract profiler and lock the beam (MCC) on the active collimator.
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| − | #Detector and beamline checkout.
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| − | #*Reestablish L1 trigger Alex. Somov. 3h).
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| − | #*Reestablish DAQ (Sergei, 2h).
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| − | #*General detector calibration (Sean Dobbs. <!--703-887-1776--> 8h). Use 10<sup>-4</sup> radiator.
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| − | #**Run 15 min in Long Mode.
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| − | #Align 17 μm diamond (JD70-104) for the 4 polarization configurations (Hovanes. 16h).
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| − | #Gluex data production
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| − | #*Physics production data with diamonds and 5 mm hole. Ratio of para./transverse/45<sup>o</sup>/135<sup>o</sup> data:25/25/25/25. 2h runs <b>and no more, as it may be hard to correct for calibration drifts</b>. Switch polarization every run. Time to switch: 10min. DAQ start run overhead: 3min.
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| − | #*Log in run information in the shift summary (make a run list). For each production run, log useful comments on DAQ comment window, see [https://halldweb.jlab.org/hdops/wiki/index.php/Best_Practices/FAQ]
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| − | #*Tagger quadrupole on
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| − | #*Harp scans once a day: 15 min.
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| − | #*If commissioning and analysis are successful, once a day (?), a beam envelope measurement by rastering on Act. Col. ??min
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| − | #*Empty target run every 3 week (2h: 1<sup>-</sup> h to empty/fill back the target, 1h running). Standard production current.
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| − | #*Long mode 10 min run. Once a week (20 min).
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| − | #*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.
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| − | #Align JD70-105 (47 μm - 3.9·10-4 R.L., 7×7 mm²) for 2 polarization configurations (Hovanes 12h) and take enough data to achieve ~1% statistic on rho polarimetry (8h at 190 nA). Decide if it is better to run on this diamond.
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| − | #Two TAC runs at the beginning and end of 11.6 GeV run. (Hovanes, Alex Somov 8/h run.)
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| − | #Luminosity scans (J. Stevens)?
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| − | #Some physics production data with thin diamond and 3.4 mm hole ?
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| − | #Parasitic muon chamber run?
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| − | #Parasitic TRD run
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| − | #During 10.2 GeV run:
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| − | #*DIRC commissionning (J. Stevens)
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| − | #* ComCal commissioning (A. Somov)
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| − | #* Gather data to be compared to CLAS results. (J. Stevens?) Intersperesed with above commissioning
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| − | #* Luminosity scans? (J. Stevens?)
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| − | #*Straight track run (16h end of 10.2 GeV period) (Lubomir)/ComCal test (A. Somov?)
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| − | #**Ramp down solenoid magnet (8h)
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| − | #**Take straight track run data (Lubomir)
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| − | #**ComCal test (no B-field, no DC on)
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| − | #*Parasitic muon chamber run?
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| − | #*Parasitic TRD run
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| − | #During 9.0 GeV run:
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| − | #*DIRC commissionning (J. Stevens)
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| − | #* ComCal commissioning (A. Somov)
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| − | #* Gather data to be compared to CLAS results. (J. Stevens?) Intersperesed with above commissioning
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| − | #* Luminosity scans? (J. Stevens?)
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| − | == Hall D situation room (current run plan) ==
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| − | | + | |
| − | [https://halldweb.jlab.org/online/whiteboard/ Hall D counting room white board]
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| − | == Runplan time charts==
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| − | '''Fall 2018 time chart''':
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| − | <!--[[File:spring18_week1.jpg|70px|thumb|none]]
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| − | Spring 2018 commissioning/run time chart. Week 1.<br/>
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| − | The horizontal scale is the time during which beam is available (in other words, it would be the real time with 100% of beam efficiency).<br/>
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| − | The task time estimates given on the plot have 100% contingency.
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| − | [[File:spring18_week2.jpg|70px|thumb|none| ]]
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| − | Run time chart. Week 2. -->
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| − | ----
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| − | * [https://calendar.google.com/calendar/embed?src=halldops%40gmail.com&src=503o985nbesua43smquc510o8k%40group.calendar.google.com&ctz=America/New_York View Runplan google calendar]
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| − | * [http://calendar.google.com Edit Runplan google calendar]
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| − | * [https://cebaf.jlab.org/files/ops/accboard/ MCC white board]
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| − | * [https://docs.google.com/spreadsheets/d/1NffTc4-S5PbTMSuH_pp7ZYsGRH4JC_WSVo770_iJYt0/edit#gid=1635471172 Spreadsheet: number of triggers]
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| − | ==Accelerator status ==
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| − | #* [https://cebaf.jlab.org/files/ops/accboard/ Link to accelerator short term schedule]
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| − | ==Hot Checkout ==
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| − | # [https://accweb.acc.jlab.org/hco/reports/overall-status?destinationId=9&categoryId=401&systemId=®ionId=29&groupId=&qualified= Hot Check OUT Status] <span style="color:green"> 5% ready </span>; <span style="color:#BABC3A">3% checked </span>; <span style="color:red">92% not ready </span>
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| − | | + | |
| − | ==Readiness for Fall 17-Spring18 run ==
| + | |
| − | <!--(This section is commented out for clarity) -->
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| − | === Run Planning Meetings Fall 2018 Running ===
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| − | *[[Run Planning Meetings Fall 2018 Running]]
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| − | | + | |
| − | === Run Summaries ===
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