Aggregator
HDR A.M Walks
CHL1-2 A.M Walks
CREW CHIEF SIGN IN
Log Number: 4490382Logbook(s): Body:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 04-22-26
Time : 07:16:45
Day : Wednesday
Shift : Day
Crew Chief : Blackshaw
Program Deputy: Ogur
Team : E
Arm : RadCon
Designated SSO: Barker
LERF Operator:
Operators : Barker
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 04-22-26
Time : 07:16:45
Day : Wednesday
Shift : Day
Crew Chief : Blackshaw
Program Deputy: Ogur
Team : E
Arm : RadCon
Designated SSO: Barker
LERF Operator:
Operators : Barker
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
Crew Chief Timesheet Summary: 22 Apr 2026 OWL
Log Number: 4490381Logbook(s): Tags: Body:
Accelerator
PHYSICS
STUDIES
RESTORE
ACC
DOWN
OFF (SAM)
Planned
0
0
0
QuickPic - Pass 2 Separator Trip. Leaving off for now
FSD Masking Tool: Successful Destination masking to: Inj500KeV
COMMENT ON Measure Halls C and D Beam Polarization in Mott Polarimeter
Log Number: 4490378Logbook(s): Body:
Detector investigation (ok):
https://logbooks.jlab.org/entry/4490328
Mini spin dance and polarization with C laser:
https://logbooks.jlab.org/entry/4490349
C polarization: 89.1(8)%
QE Measurement
QuickPic - Pass 2 Separator recovered
QuickPic - Another Pass 2 Separator Trip
QuickPic - Recovered Pass 2 Separator
QuickPic - Pass 2 Separator Tripped
Operator SIGN IN
Injector work summary
Log Number: 4490369Logbook(s): Entry Makers: ywangBody:
Set up the injector with 65uA to FC2, HWien = 0.0 deg, A1 = out, A2 = 4mm, laser A at 250 MHz:
Fig. 1: VWien = 0.0 deg, w/ no flip, allsave # 27027
Fig. 2: VWien = 90.0 deg, w/ flip right, allsave # 27024
Fig. 3: VWien = -90.0 deg, w/ flip right, allsave # 27025
Fig. 4: VWien = 90.0 deg, w/ flip left, allsave # 27026
Note: Injector is left with the Wiens off and no flip.
Autolog save
Autolog restore
CREW CHIEF SIGN IN
Log Number: 4490366Logbook(s): Body:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 04-21-26
Time : 23:06:03
Day : Tuesday
Shift : Owl
Crew Chief : Deir
Program Deputy: Ogur
Team : A
Arm : RADCON
Designated SSO: Smith
LERF Operator:
Operators : Smith
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 04-21-26
Time : 23:06:03
Day : Tuesday
Shift : Owl
Crew Chief : Deir
Program Deputy: Ogur
Team : A
Arm : RADCON
Designated SSO: Smith
LERF Operator:
Operators : Smith
This stamp certifies that the above Crew Chief has read/reviewed/received the following:










