|
|
| (48 intermediate revisions by 2 users not shown) |
| Line 1: |
Line 1: |
| − | === Fall 2018 GlueX Run ===
| + | The correct page is [https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Fall2018_Run here] |
| − | | + | |
| − | == Connect Information ==
| + | |
| − | | + | |
| − | To connect from the outside by phone please do the following
| + | |
| − | | + | |
| − | 1.) To join via a Web Browser, go to the page [https://bluejeans.com/660743227] https://bluejeans.com/660743227.
| + | |
| − | | + | |
| − | 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.
| + | |
| − | | + | |
| − | 3.) To join via phone, use one of the following numbers and the Conference ID: 660743227.
| + | |
| − | | + | |
| − | 4.) The moderator code is <font color="red">8394</font>
| + | |
| − | | + | |
| − | 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 to Spring 2018) until Nov. 15th.
| + | |
| − | ** Then 10.3 GeV until Dec. 10th.
| + | |
| − | ** Then 9.0 GeV until Dec. 19th.
| + | |
| − | * Solenoid on at <font color="blue"><b>1350A for the 3 energies.</b></font> ComCal commissioning with solenoid off. Any other field changes should be avoided if possible.
| + | |
| − | * CW Beam current:
| + | |
| − | ** Range: 1 nA-1.5 μA. 250 MHz frequency.
| + | |
| − | ** Standard production running expected at 530 nA on 1.4·10<sup>-4</sup> R.L. radiator (17 μm diamond).
| + | |
| − | ** RSAD limit for most of the run, excluding high intensity tests: 600 nA on 1.6·10<sup>-4</sup> R.L. radiator.
| + | |
| − | * FFB on or Position Slow Lock on (FFB doesn't operate below 50nA).
| + | |
| − | * Radiators:
| + | |
| − | **Goniometer radiators:
| + | |
| − | <!--*** J1a50 (50 μm - 4.1·10<sup>-4</sup> R.L., 4×4 mm²) - old crystal - excellent rocking curve
| + | |
| − | ***<font color="blue"><b>JD70-100</b> (58 μm - 4.8·10<sup>-4</sup> R.L., 7×7 mm²) - new crystal - excellent rocking curve </font>-->
| + | |
| − | ***<font color="blue"><b>Diamond JD70-104 (17 μm - 1.4·10<sup>-4</sup> R.L., 7×7 mm²) </b></font> - wider rocking curve - Tested in Spring 2018: Yielded reasonable polarization.
| + | |
| − | ***Diamond JD70-105 (47 μm - 3.9·10<sup>-4</sup> R.L., 7×7 mm²) - new crystal - good rocking curve
| + | |
| − | **40 μm Al radiator (44.9·10<sup>-5</sup> R.L.)
| + | |
| − | **V-wire (for TAC run).
| + | |
| − | **Amorphous
| + | |
| − | *** 1.5 µm Al (1.7·10<sup>-5</sup> R.L.)
| + | |
| − | *** 10 µm Al (11.2·10<sup>-5</sup> R.L.)
| + | |
| − | *** 30 µm Al (33.7·10<sup>-5</sup> R.L.)
| + | |
| − | | + | |
| − | *Tagger quadrupole on (-4.2 A).
| + | |
| − | | + | |
| − | * Collimator hole: Both 5 mm diameter and 3.4 mm diameter. <font color="blue"><b>Default running: 5.0 mm, including with 17 μm diamond.</b></font>
| + | |
| − | | + | |
| − | * Targets:
| + | |
| − | **LH2 target: [https://hdops.jlab.org/wiki/index.php/Cryogenic_Target_Shift cryogenic target]
| + | |
| − | **<font color="red">Solid targets ? TBD </font>
| + | |
| − | | + | |
| − | * Miscellaneous:
| + | |
| − | ** DIRC will be installed
| + | |
| − | ** Transition Radiation Detector in the Hall
| + | |
| − | ** Muon chamber will not be in the hall (location interferes with DIRC)
| + | |
| − | | + | |
| − | =General Information=
| + | |
| − | | + | |
| − | This document describes the run plan for the Hall D Fall 2018 run.
| + | |
| − | * Schedule for the run:
| + | |
| − | # Aug. 15th - 21st: Electron beam restoration
| + | |
| − | # Aug. 21st - Oct. 28th: GlueX-I run (E=11.64 GeV).
| + | |
| − | # Oct. 28th - Nov. 19th: DIRC and ComCal installation (Solenoid will be ramped down but kept cool? )
| + | |
| − | # Nov. 20th - Dec. 09th: GlueX-II and Primex tests. Lower energy measurement checks. (E=10.3 GeV)
| + | |
| − | # Dec. 10th - Dec. 12th: Linac energy change.
| + | |
| − | # Dec. 13th - Dec. 19th: GlueX-II and Primex tests. Lower energy measurement checks. (E=9.0 GeV)
| + | |
| − | | + | |
| − | # 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 [https://misportal.jlab.org/mis/physics/experiments/searchProposals.cfm?paramHall=D¶mExperimentEnergy=12GeV¶mExperimentStatusList=A,G E12-06-102] Production
| + | |
| − | * Planned tests (Accelerator, related to Hall D):
| + | |
| − | ** <font color="red">Further tests of nA BPM and stripline BPM ?</font>
| + | |
| − | ** Test fast raster beam envelope measurement with larger x-rastering. <font color="red">Need details plan, including time estimate</font>
| + | |
| − | * Planned tests (Hall D):
| + | |
| − | ** At 11.6 GeV:
| + | |
| − | *** 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).
| + | |
| − | *** Test fast raster beam envelope measurement with larger x-rastering. (R. Jones) <font color="red">Need details plan, including time estimate</font>
| + | |
| − | *** High-intensity GlueX L1 and DAQ tests (A. Somov, S. Furletov)
| + | |
| − | *** ToF trigger test for Muon chamber. With solid target. (D. Lawrence/E. Smith) <font color="red">Need details plan, including time estimate</font>
| + | |
| − | ***TRD test (parasitic) (S. Furletov, L. Penchev)
| + | |
| − | ** At 10.2 and 9 GeV:
| + | |
| − | ***DIRC commissioning (J. Stevens) <font color="red">Need details plan, including time estimate</font>
| + | |
| − | ***<font color="red"> ComCal commissioning with B-Field (A. Somov?) Need details plan, including time estimate</font>
| + | |
| − | ***Strait track run (L. Penchev)
| + | |
| − | ***ComCal test (no B-field, no DC on) (A. Somov?) <font color="red">Need details plan, including time estimate</font>
| + | |
| − | ***High-intensity GlueX L1 and DAQ tests (A. Somov, S. Furletov)
| + | |
| − | | + | |
| − | * Expected Staffing and responsibilities:
| + | |
| − | **The Run Coordinator oversees the commissioning:
| + | |
| − | *** Aug. 15th-Aug. 21st, 7 days: Alexandre Deur (accelerator restoration)
| + | |
| − | *** Aug. 22nd-Aug. 28th, 7 days: Alexandre Deur
| + | |
| − | *** Aug. 29th-Sept 4th, 7 days: Cristiano Fanelli
| + | |
| − | *** Sept. 5th-Sept. 11th, 7 days: Colin Gleason
| + | |
| − | *** Sept. 12th-Sept. 18th, 7 days: Alexander Austregesilo
| + | |
| − | *** Sept. 19th-Sept. 25th: <font color="red"> TBD </font>
| + | |
| − | *** Sept. 26th-Oct. 2nd, 7 days: Naomi Jarvis
| + | |
| − | *** Oct. 3rd-Oct. 9th, 7 days: Stuart Fegan
| + | |
| − | *** Oct. 10th-Oct. 16th: <font color="red"> TBD </font>
| + | |
| − | *** Oct. 17th-Oct. 23rd: <font color="red"> TBD </font>
| + | |
| − | *** Oct. 24th-Oct. 28th: <font color="red"> TBD </font>
| + | |
| − | *** Oct. 29th-Nov. 17th: Hall open for installation
| + | |
| − | *** Nov. 14th-Nov. 20th, 7 days: Alexandre Deur
| + | |
| − | *** Nov. 21st-Nov. 27th, 7 days: Richard Jones
| + | |
| − | *** Nov. 28st-Dec. 4th, 7 days: Wenliang Li
| + | |
| − | *** Dec. 5th-Dec. 11th: <font color="red"> TBD </font>
| + | |
| − | *** Dec. 12th-Dec. 20th: Jeorg Reinhold
| + | |
| − | **The Physics Division Liaison (PDL) and Hall D Work Coordinator/Safety Warden (M. Stevens) 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.
| + | |
| − | * 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
| + | |
| − | ***[https://www.jlab.org/exp_prog/experiment_schedule/2018/20180511.0_ExpSch.pdf long term calendar]
| + | |
| − | ***[https://accweb.acc.jlab.org/calendar/ Scheduled Accelerator Down (SAD)/Maintenance Calendar]
| + | |
| − | ***[http://accboard.acc.jlab.org/ http://accboard.acc.jlab.org/]
| + | |
| − | **Links to previous runplans
| + | |
| − | ***[https://halldweb.jlab.org/hdops/wiki/index.php/Fall_2014_Commissioning_Plan 10.5 GeV Fall 2014]
| + | |
| − | ***[https://halldweb.jlab.org/hdops/wiki/index.php/Spring_2015_6GeV_Commissioning_Plan 6 GeV spring 2015]
| + | |
| − | ***[https://halldweb.jlab.org/wiki/index.php/Fall_2015_Commissioning_Plan 12.05 GeV Fall 2015]
| + | |
| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:_Spring_2016_Run 12.05 GeV Spring 2016]
| + | |
| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:_Fall_2016_Run 11.64 GeV Fall 2016]
| + | |
| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:_Spring_2017_Run 11.64 GeV Spring 2017]
| + | |
| − | ***[https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Fall2017_Spring2018_Run 11.64 GeV Fall 2017 and Spring 2018 runs]
| + | |
| − | ** Links to beam parameters/radiation level monitoring:
| + | |
| − | ***[https://www.jlab.org/accel/RadCon/opsgraphs/8h/halld_8h.pdf Last 8-hours plots showing 1-minute, 10-minute, and hourly averages]
| + | |
| − | ***[https://www.jlab.org/accel/RadCon/opsgraphs/24h/halld_24h.pdf Same but Last 24-hours]
| + | |
| − | ***[https://www.jlab.org/accel/RadCon/opsgraphs/72h/halld_72h.pdf Same but Last 72-hours]
| + | |
| − | ***Week, month, and quarter (3 months) plots also exist, with similar web addresses.
| + | |
| − | *** A map of the radiation monitors [[File:Location_detect2.jpg | 100px]]
| + | |
