Aggregator

Log Number: 4498753Logbook(s): 

• ELOG
• HBLOG

Entry Makers: pasyukBody: 

The period is about 30 minutes. Halo rate and event rate are correleated with these variations. The halo rate seems less for more positive Y position. Mybe it is worse to try some adjustments.

Log Number: 4498751Logbook(s): 

• ELOG

Body: 

Task approved for immediate execution.

Log Number: 4498746Logbook(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: 14 Nov 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498745Logbook(s): 

• ELOG
• LERFLOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 14 Nov 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498743Logbook(s): 

• ELOG
• LERFLOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 14 Nov 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498742Logbook(s): 

• ELOG
• LERFLOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 14 Nov 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498741Logbook(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: 30 Apr 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498739Logbook(s): 

• ELOG
• LERFLOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 30 Apr 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498738Logbook(s): 

• ELOG
• LERFLOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 30 Apr 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498737Logbook(s): 

• ELOG
• LERFLOG

Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL) Previous Expected Removal Date: 30 Apr 2026 New Expected Removal Date: 14 Nov 2026 Who made the change: sbruhwel Justification for the change: bypass still in place

Log Number: 4498735Logbook(s): 

• ELOG

Tags: 

• MCC8am

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: CW to hall B and C

Log Number: 4498733Logbook(s): 

• ELOG

Entry Makers: chumphryBody: 

Log Number: 4498728Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632

Saved: chumphry 05-14-26 08:14:29 {A:i B:1 C:2 E:345 A=BS B=CW C=Tune D=CW 0R08=5.46 dump(s) in.

Log Number: 4498729Logbook(s): 

• POLOG
• ELOG

Entry Makers: suleimanBody: 

The photocathode lifetime is about 50 C. We will need to do beam QE scan and spot move, tentatively planned at the start of the low-to-high energy accelerator re-config.

Log Number: 4498727Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Humphry
DATE:             05/14/2026
SHIFT:               Day

The operator has read the following:

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

Log Number: 4498719Logbook(s): 

• ELOG

Body: 

Log Number: 4498715Logbook(s): 

• ELOG
• LERFLOG

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

Date : 05-14-26
Time : 07:31:01
Day : Thursday
Shift : Day

Crew Chief : Blackshaw
Program Deputy: Drury
Team : E
Arm : RadCon
Designated SSO: Janak
LERF Operator:
Operators : Humphry, Janak

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

Log Number: 4498712Logbook(s): 

• ELOG

Entry Makers: kpriceBody: 

Log Number: 4498711Logbook(s): 

• ELOG

Entry Makers: dchriBody: 

Log Number: 4498709Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: Production beam to B, D.  Witness beam to C dumplet.  No gang