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Detailed Mott setup, part 2 (Mott measurement)
Enable Mott detector PMTs:
Mott screen - Expert screens button - Mott HV screen.
There, hit the "ON" button. The voltage readbacks should match the sliders, Figure 3.
Mott data taking:
> ssh -Y idaq@opsmdaq1
> startCoda
You will get three terminal windows as well as the Run Control GUI shown in Figure 1.
1. Control - Connect
2. Wrench/screwdriver button ("Configure")
3. Floppy disk button ("Download")
4. Start/pause button ("Prestart").
A dialog box will appear asking for a description of the run. Enter whatever makes sense and click the "CLICK HERE" button at the bottom.
5.
HWien calibration data
VWien 0
MFG1I04 = +/-
10129: HWien 0, IHWP OUT
Mott Asym UD (%) = 0.476972 +/- 0.216187
Mott Asym LR (%) = 0.111519 +/- 0.220878
10130: FSD trip due to 0L03
10131: HWien 0, IHWP IN
Mott Asym UD (%) = -0.17852 +/- 0.214657
Mott Asym LR (%) = -0.174293 +/- 0.217397
10132: HWien +30, IHWP OUT
Mott Asym UD (%) = -17.4526 +/- 0.411299
Mott Asym LR (%) = 0.263716 +/- 0.419415
10133: HWien +30, IHWP IN
Mott Asym UD (%) = 17.2117 +/- 0.490517
Mott Asym LR (%) = 0.519967 +/- 0.502233
10134: HWien +50, IHWP OUT
Mott Asym UD (%) = -27.2715 +/- 0.434287
M
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ATLis Comments Daily Digest
Operator SIGN IN
We should pull the 5D trim cards
If there are no plans to run to the 5D dump in the near future, we should pull the 5D trim cards to avoid deleterious effects on the adjacent beamline should these magnets be inadvertently loaded with non-zero currents. See the attached log entry.
FSD Masking Tool: Successful System Masking for: CryoModule
CREW CHIEF SIGN IN
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 02-28-26
Time : 15:08:21
Day : Saturday
Shift : Swing
Crew Chief : Forman
Program Deputy: Schoene
Team : F
Arm : RADCON
Designated SSO: Schaumloffel
LERF Operator:
Operators : Schaumloffel
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
QuickPic - RF Status
QuickPic - Box supply status
Polarization with A and D, and PITA dependency
VWien = +90, flipper compensated, HWien = 0.
Helicity control: quartet, 8 windows delay; this means 2 patterns delay.
#10119: A laser, IHWP OUT
Mott Asym UD (%) = -1.30706 +/- 0.260153
Mott Asym LR (%) = -34.3625 +/- 0.249947
#10120: A laser, IHWP IN
Mott Asym UD (%) = 0.701802 +/- 0.284461
Mott Asym LR (%) = 34.5801 +/- 0.27067
Total LR: (34.5 +/- 0.2) %
#10121: D laser, IHWP OUT
Mott Asym UD (%) = 1.3372 +/- 0.278168
Mott Asym LR (%) = 35.4552 +/- 0.268877
#10122: D laser, IHWP IN
Mott Asym UD (%) = -1.42337 +/- 0.268154
Mott Asym LR (%) = -34.14
Detailed Mott setup, part 1
"Injector: Calibrate spin rotator system"
Operator SIGN IN
QuickPic - Box Supply: Status
QuickPic - RF Captain: Status
CREW CHIEF SIGN IN
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 02-28-26
Time : 07:37:39
Day : Saturday
Shift : Day
Crew Chief : Humphry
Program Deputy: Schoene
Team : X
Arm : RadCon
Designated SSO: Janak
LERF Operator:
Operators : Janak
This stamp certifies that the above Crew Chief has read/reviewed/received the following:










