Aggregator

Log Number: 4490393Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Barker
DATE:             04/22/2026
SHIFT:               Day

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4490391Logbook(s): 

• ELOG

Entry Makers: BpauleyBody: 

Carried out visual and operational inspections in HDR. All systems are operating normal at this time.

Log Number: 4490390Logbook(s): 

• ELOG

Entry Makers: BpauleyBody: 

Carried out visual and operational inspections in CHL1-2. Found ceiling lamp lens/cover is not secured properly & hanging by one hinge.

Log Number: 4490382Logbook(s): 

• ELOG
• LERFLOG

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:

Log Number: 4490381Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

Body:  Accelerator PHYSICS STUDIES RESTORE ACC DOWN OFF (SAM) Planned 0 0 0

Log Number: 4490380Logbook(s): 

• ELOG
• RFLOG

Entry Makers: msmithBody: 

Log Number: 4490379Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: Destination Masking to: Inj500KeV
User: deir

Log Number: 4490378Logbook(s): 

• BTLOG
• POLOG
• ELOG

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)%

Log Number: 4490377Logbook(s): 

• POLOG
• ELOG

Body: Spot Location: (13250,19250), Charge: 17.908261999999993

Laser Wavelength Atten Setting Laser Power Current HV PS Current QE PV Updated? Update Time/Reason Not Updated (nm) (W) (uA)</

Log Number: 4490375Logbook(s): 

• ELOG
• RFLOG

Entry Makers: msmithBody: 

Log Number: 4490374Logbook(s): 

• ELOG
• RFLOG

Entry Makers: msmithBody: 

Log Number: 4490373Logbook(s): 

• ELOG
• RFLOG

Entry Makers: deirBody: 

Log Number: 4490372Logbook(s): 

• ELOG
• RFLOG

Entry Makers: deirBody: 

Log Number: 4490371Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Smith
DATE:             04/21/2026
SHIFT:               Owl

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4490369Logbook(s): 

• ELOG

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.

Log Number: 4490368Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl06

Saved: ywang 04-21-26 23:17:47 {A:i B:3 C:2 E:345 A=CW B=BS C=BS D=BS 0R08=0.00 0R08 dump in.

Log Number: 4490367Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl06
Data from: /usr/opdata/burt/allsnap/04-21-26_21:41:32
Restored file: /tmp/04-21-26_23:14:09.snap

Log Number: 4490366Logbook(s): 

• ELOG
• LERFLOG

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:

Log Number: 4490365Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl06
Data from: /usr/opdata/burt/allsnap/04-21-26_21:41:32
Restored file: /tmp/04-21-26_23:10:47.snap

Log Number: 4490364Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl06

Saved: ywang 04-21-26 23:09:07 {A:i B:3 C:2 E:345 A=CW B=BS C=BS D=BS 0R08=0.00 0R08 dump in.