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HWien calibration data for 90 and 70, then a strange problem
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GUN has been disabled in alarm handler
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THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 03-01-26
Time : 15:02:26
Day : Sunday
Shift : Swing
Crew Chief : Forman
Program Deputy: Schoene
Team : F
Arm : Schaumloffel
LERF Operator:
Operators : Schaumloffel
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Mott setup with strong focusing in HWien
Trying to get a clean setup at HWien=90 with strong focusing by the spin flipper.
Retracting A1, setting MFG1I04A/B to +/- 130. Then, MFX0I01 produces the smallest beam on IYG0I02 at about 190, so a waist in A1 needs more, while a waist in A2 needs less.
PB off/on produces no visible steering, only slight change of beam shape (likely unavoidable, no extra focusing element).
A1 back to 4 mm to find its center... Found centers of both A1 and A2 with 10 uA CW but couldn't get total loss below 10%; MFX0I01 only redistributes it.
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COMMENT ON Routine Maintenance of ODH Systems (Managed by SSG).
came in to perform trimming and global cal for ODH sensors in halls B and C due to the nice weather (barometric pressure) and low chance to interrupt work.
OM08 in hall C was trimmed. Both halls were global cal'd without issue. MCC/SSO was notified when work began and ended.
QuickPic - RF Captain Screen
QuickPic - Box Supplies/ Shunt Diagnostic Screens
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THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
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Date : 03-01-26
Time : 07:14:06
Day : Sunday
Shift : Day
Crew Chief : Humphry
Program Deputy: Schoene
Team :
Arm : RadCon
Designated SSO: Janak
LERF Operator:
Operators : Janak
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Intermittent cryo alarm
Appears to have been on a signal from CHL1 4K cold box. Was in and out of alarm for a short time and has stayed out of alarm for quite a while now, but it doesn't look like this is normal behavior for this signal. Just making a note for cryo folks.










