Difference between revisions of "The HPS Run Wiki"
Jump to navigation
Jump to search
Line 219: | Line 219: | ||
#* Follow the instructions under "Procedures" on the documentation tab for "Beamline"[https://wiki.jlab.org/hps-run/images/e/e6/HPS_beamline_comm.pdf] to establish beam to the electron dump. | #* Follow the instructions under "Procedures" on the documentation tab for "Beamline"[https://wiki.jlab.org/hps-run/images/e/e6/HPS_beamline_comm.pdf] to establish beam to the electron dump. | ||
<b> Note: in order to have reliable readings on two important for HPS BPMs, 2H00 and 2H02, beam current should be >30 nA.</b> | <b> Note: in order to have reliable readings on two important for HPS BPMs, 2H00 and 2H02, beam current should be >30 nA.</b> | ||
− | #* Ask MCC to establish 30 nA beam with <font color=red>HPS</font> orbit locks on (We need '''HallBHPSOrb''' not '''HallBOrb''' configuration). <b>For orbit lock positions on <font color=red>2H00(X=3. | + | #* Ask MCC to establish 30 nA beam with <font color=red>HPS</font> orbit locks on (We need '''HallBHPSOrb''' not '''HallBOrb''' configuration). <b>For orbit lock positions on <font color=red>2H00(X=3.0,Y=5.0) and on 2H02(X=-1.5,Y=0.55). Use the 2.82 mm SVT collimator. (positions changed 6/25/19 by mg)</font></b>. |
− | #* Tune beam profile at HPS using measured widths on 2H01A and 2H02A harps. The required beam profile at 2H02A harp is: X-width <~0. | + | #* Tune beam profile at HPS using measured widths on 2H01A and 2H02A harps. The required beam profile at 2H02A harp is: X-width <~0.1 mm, Y-width <~ 0.05 mm. Beam profile using 2H01A and 2H02A harps with previous scans ([https://logbooks.jlab.org/entry/3696650],[https://logbooks.jlab.org/entry/3696777]) to compare. |
#* Check and log the beam spot on chromax viewer | #* Check and log the beam spot on chromax viewer | ||
#* The halo counter rates before HPS must be low: | #* The halo counter rates before HPS must be low: | ||
#*# Upstream Left and Right, and the tagger counters few Hz, | #*# Upstream Left and Right, and the tagger counters few Hz, | ||
#*# Downstream counters should count <Hz/nA | #*# Downstream counters should count <Hz/nA | ||
− | #*# The halo counter rates on HPS, HPS-L/R/T/SC, depends on the collimator and HPS chicane settings, but should not be more than 100 Hz/nA [https://logbooks.jlab.org/entry/ | + | #*# The halo counter rates on HPS, HPS-L/R/T/SC, depends on the collimator and HPS chicane settings, but should not be more than 100 Hz/nA [https://logbooks.jlab.org/entry/3696813] |
− | #* Positions on BPMs must be close to what they were before [https://logbooks.jlab.org/entry/ | + | #* Positions on BPMs must be close to what they were before [https://logbooks.jlab.org/entry/3696813] |
#* Once all the above is achieved, turn ECAL and Hodoscope HV '''ON''' to monitor and log ECal rates | #* Once all the above is achieved, turn ECAL and Hodoscope HV '''ON''' to monitor and log ECal rates | ||
#* Insert the 4um W target without turning off the beam. | #* Insert the 4um W target without turning off the beam. |
Revision as of 16:44, 30 June 2019
[edit]
Phone NumbersShift ScheduleShift-Taker's ChecklistHot CheckoutBeam Time AccountingRun Spreadsheet 2019,2016, 2015HPS Upgrade ERRCOO, ESAD, RSAD Things to read before shift. |
Procedures
|
Manuals |
JLab Logbooks
|
HPS 2019 run, June X to August Y'
Beam energy 4.5 GeV
Important: Document all your work in the logbook!
Bluejeans for Run Meetings on DAY and DAY at 2pm
RC: Tim Nelson
- (757) 575-7540
- 9 575 7540 from Counting Room
PDL: Valery Kubarovsky
- (757) 876-1789
- 9 876-1789 from Counting Room
* !! Chicane magnets can be energized only when the hall is in Beam Permit, [1]. Chicane magnets must be off if the hall is in Restricted or in Controlled access.
Run Plan June 27, 2019Hot items:
Schedule and plans:
When there is stable beam:
Every Shift:
Important Notes:
|
General InstructionsEstablishing Physics Quality Beam for HPS:
Note: in order to have reliable readings on two important for HPS BPMs, 2H00 and 2H02, beam current should be >30 nA.
Setting up the FSD threshold
hpsrun@clonpc11> /home/hpsrun/scripts/FSD/Calc_FSD_Threshold.exe
|
Every Shift:
|
Every Run:
|
---|
RC daily meetings at 2 pm in the counting-house 2nd-floor conference room.
BlueJeans Info:
URL: https://bluejeans.com/794825703
Meeting ID: 794825703
|
|
|
Webcams:
|
Accelerator:
|
Slow Controls:
|
Online & Offline: |
System/Person | Pager/Phone Number |
---|---|
Run Coordinator | (757) 575-7540 (cell) |
Physics Div. Liaison | (757) 876-1789 (cell) |
MCC-OPS | 7048 |
Crew Chief | 7045 |
Crew Chief | 9-879-3367 (cell) |
Program Deputy | 9-876-7997 (cell) |
Gate House Guard | 5822 |
DAQ/Online | (757) 869-2188 (cell) |
SVT | (757) 310-7198 (cell) |
ECAL | (757) 810-1489 (cell) |
Slow Controls | (757) 748-6922 (cell) |
Beamline | (757) 303-3996 (cell) |
Engineering | (757) 748-5048 |
Hall-B Floor | 5165 |
Hall-B Space Frame | 5170, 5171 |
Hall-B Forward Carriage | 5371 |
Hall-B Counting Room | 5126, 5244, 5246, 5247 |
Hall-B Gas Shed | 7115 |