Aggregator

Log Number: 4536362Logbook(s): 

• ELOG

Entry Makers: bschaumlBody: 

Only used the vertical lock correctors as the BS SLM was vertically displaced quite far from the usual spot. This IDX is now back at nominal levels.

Log Number: 4536361Logbook(s): 

• HBLOG
• ELOG

Entry Makers: yoonBody: 

Log Number: 4536356Logbook(s): 

• ELOG

Body: Calibration ParametersHall:DTarget: 4.5x10-4 Al 40umPass: 5.5Note: Calibrated On:2026-Jul-11 10:12Calibrated By: alexsFile:D-2026-07-11_1012_4.5x10-4_Al_40um_Pass-5.5_High_Current.hcdIon ChamberExisting Setpoing (rads/hr)New Setpoint (rads/hr)

Log Number: 4536340Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Schaumloffel
DATE:             08/02/2026
SHIFT:               Swing

The operator has read the following:

Log Number: 4536339Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Yoon
DATE:             08/02/2026
SHIFT:               Swing

The operator has read the following:

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

Log Number: 4536321Logbook(s): 

• ELOG
• LERFLOG

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

Date : 08-02-26
Time : 15:31:21
Day : Sunday
Shift : Swing

Crew Chief : Forman
Program Deputy: Latosky
Team : F
Arm : Schaumloffel
Designated SSO: Yoon
LERF Operator:
Operators : Schaumloffel, Yoon

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

Log Number: 4536320Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl05

Saved: eforman 08-02-26 15:32:07 {A:i B:1 C:5 E:1060 A=BS B=CW C=CW D=CW 0R08=65.55 No dumps in.

Log Number: 4536317Logbook(s): 

• ELOG

Entry Makers: chumphryBody: 

Log Number: 4536316Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: CW beam to B/C/D

Log Number: 4536315Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

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

Log Number: 4536306Logbook(s): 

• ELOG

Entry Makers: janakBody: 

IOC was in and out of alarm for low memory. Attempted a reboot and it never recovered.

Log Number: 4536305Logbook(s): 

• ELOG

Entry Makers: bjacobBody: 

I've been talking with optics on call and they noted that 9R seems to deviate from the rels more than the other Odd R regions. They also noted that this deviation may be starting in Arc 8. So this may be a spot to check.

However, checking would mean halting beam and doing more steering. After talking with the Hall C folks, they've indicated that 65 uA is fine for now. So the plan for now is to stick with 65 uA until Monday when more folks are around. Of course, if the BLM trips get worse, we may need to address it sooner.

Log Number: 4536270Logbook(s): 

• ELOG

Entry Makers: bjacobBody: 

I took a brief look around the machine to see if I could see what is irritating ILM3R10. I cleaned up a lot linacs and R regions but nothing I did really stopped the spikes we were seeing. I left the changes in since they didn't hurt anything and the linacs look better.

I tried putting in dumplettes in descending order and found that the spikes stop when putting in the 4R dumplette. I took a closer look at 4R-5R but still couldn't find the magic knob.

Log Number: 4536269Logbook(s): 

• ELOG

Entry Makers: chumphry

Log Number: 4536267Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17585Title:
Orbit Adjustment

Summary:
Orbit check and tuning. After Hall C target change and increase in current up to 70uA.Duration:
55 minutes

Time Down:
02-Aug-2026 12:35

Log Number: 4536264Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System UN-Masking for: BeamLossMonitor
User: bjacob
Areas: All

BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM8

Log Number: 4536263Logbook(s): 

• ELOG
• BTLOG

Tags: 

• Autolog

Body: dogCalc V0-14 download

hostname: opsl01
CED workspace: OPS
CED login_key: pro

Log Number: 4536262Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17584Title:
Hall B Change High Voltage control board

Summary:
Hall requested rapid access to perform maintenanceDuration:
50 minutes

Time Down:
02-Aug-2026 11:50

Time U

Log Number: 4536260Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17585Title:
Orbit Adjustment

Summary:
Orbit check and tuning. After Hall C target change and increase in current up to 70uA.Duration:
14 minutes

Time Down:
02-Aug-2026 12:35

Log Number: 4536254Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System Masking for: BeamLossMonitor
User: bjacob
Areas: All

BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM8T09