Aggregator

Log Number: 4532197Logbook(s): 

• ELOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 01 Aug 2026 New Expected Removal Date: 30 Nov 2026 Who made the change: mathewam Justification for the change: Will be addressed during SAM

Log Number: 4532195Logbook(s): 

• ELOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 01 Aug 2026 New Expected Removal Date: 30 Nov 2026 Who made the change: mathewam Justification for the change: Will be addressed during SAM

Log Number: 4532193Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl06

Saved: ywang 07-27-26 08:34:14 {A:i B:1 C:4 E:1060 A=BS B=BS C=BS D=BS 0R08=0.00 0R08 dump in.

Log Number: 4532189Logbook(s): 

• ELOG

Entry Makers: schoeneBody: 

Log Number: 4532187Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: Destination Masking to: Injector
User: bbarker

Log Number: 4532182Logbook(s): 

• ELOG

Tags: 

• MCC8am

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: BCD Beam

Log Number: 4532180Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Barker
DATE:             07/27/2026
SHIFT:               Day

The operator has read the following:

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

Log Number: 4532179Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Shenenberger
DATE:             07/27/2026
SHIFT:               Day

The operator has read the following:

Log Number: 4532178Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Thomas
DATE:             07/27/2026
SHIFT:               Day

The operator has read the following:

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

Log Number: 4532173Logbook(s): 

• ELOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 03 Aug 2026 New Expected Removal Date: 27 Jan 2027 Who made the change: kmark Justification for the change: ABIL is still in place

Log Number: 4532172Logbook(s): 

• ELOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 03 Aug 2026 New Expected Removal Date: 27 Jan 2027 Who made the change: kmark Justification for the change: ABIL is still in place

Log Number: 4532151Logbook(s): 

• ELOG
• LERFLOG

Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 07-27-26
Time : 07:27:53
Day : Monday
Shift : Day

Crew Chief : Schoene
Program Deputy: KLarrieu
Team : B
Arm : Thomas
Designated SSO: Shenenberger
LERF Operator:
Operators : Barker, Thomas, Shenenberger

This stamp certifies that the above Crew Chief has read/reviewed/received the following:

Log Number: 4532145Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: CW to xBD; xC coming up from a Controlled Access

Log Number: 4532144Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

Body:  Accelerator PHYSICS STUDIES RESTORE ACC DOWN OFF (SAM) Planned 8 0 0

Log Number: 4532143Logbook(s): 

• ELOG

Entry Makers: samariBody: 

Random detune angle jump followed by the tuner tryoing to correct by moving 15k steps with no CFQEA response. Put the tuner in manual and lowered the gradient until it was acceptable CRFP std.

Log Number: 4532142Logbook(s): 

• ELOG
• RFLOG

Body: 

Pressure has been holding since Saturday. Fix appears to have worked!

Log Number: 4532138Logbook(s): 

• HDLOG
• ELOG

Entry Makers: msmithBody: 

Log Number: 4532137Logbook(s): 

• HDLOG
• ELOG

Entry Makers: msmithBody: 

Log Number: 4532130Logbook(s): 

• ELOG

Entry Makers: samariBody: 

Culprit was a combination of 3S and 5S vertical orbit. Able to put the linacs more on crest

Log Number: 4532108Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17528Title:
Harp Swipes

Summary:
1/2/4/6/8/A E01 Harp SwipesDuration:
14 minutes

Time Down:
27-Jul-2026 05:32

Time Up:
27-Jul-2026 05:46