Aggregator

Log Number: 4478719Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Thursday March 19 through 18:00 Friday March 20 AES DC power Systems Replace Shunt on MBZ6E02

2026-03-20 15:03 - Mark Kissinger

Noise has not obs

Log Number: 4478718Logbook(s): 

• BTLOG
• ELOG

Entry Makers: alexsBody: 

Figure 1: M5,6 as found
Figure 2: Initial quad values
Figure 3: Quads changed -850 G*cm
Figure 4: M5,6 after changes
Figure 5: M5,6 Live plot

Log Number: 4478717Logbook(s): 

• ELOG

Entry Makers: alexsBody: 

Figure 1: Before correction
Figure 2: After correction
Figure 3: Quads adjusted less than 3%

Log Number: 4478716Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: Fopt 7.9 completed successfully. The runtime settings include a sample count of 15, a minimum current of 4, and an operating regime of Standard with Excitation in 1S Region. The corrector and RF kicks applied were 0.488208 and 0.488208 volts respectively. The max. amplitude setting was 1 millimeters. The files for this run were saved in the directory /cs/opshome/hlapps/optics/diforb/26mar201727. The X and Y stability of the machine during the run was 0.0482233 and 0.0282544 (mm) respectively.

Log Number: 4478715Logbook(s): 

• ELOG

Body: 

Received word from Hall D work coordinator that this work can be done anytime. Date below works well. The counting house will be delayed until reconfiguration in May. This ATLis is approved for Hall D, B23, and B36.

Log Number: 4478714Logbook(s): 

• BTLOG
• ELOG

Entry Makers: alexsBody: 

Log Number: 4478713Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: Fopt 7.9 completed successfully. The runtime settings include a sample count of 15, a minimum current of 4, and an operating regime of Standard with Excitation in 1S Region. The corrector and RF kicks applied were 0.488208 and 0.488208 volts respectively. The max. amplitude setting was 1 millimeters. The files for this run were saved in the directory /cs/opshome/hlapps/optics/diforb/26mar201659. The X and Y stability of the machine during the run was 0.0505443 and 0.0885442 (mm) respectively.

Log Number: 4478712Logbook(s): 

• ELOG

Entry Makers: alexsBody: 

Log Number: 4478711Logbook(s): 

• ELOG

Tags: 

• Readme

Entry Makers: eformanBody: 

The relative orbit in save 26852 (03/20/26 16:25:02 Yoon) should be considered the reference orbit until otherwise noted. It's not pretty but the aperture is adequate and it minimizes the radiation detectors without upsetting the optics.

Log Number: 4478710Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl04

Saved: yoon 03-20-26 16:25:02 {A:i B:5 C:2 E:345 A=Tune B=BS C=BS D=BS 0R08=4.98 9R dump in. A B C dump(s) in.

Log Number: 4478709Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Shenenberger
DATE:             03/20/2026
SHIFT:               Swing

The operator has read the following:

Log Number: 4478708Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl04

Saved: yoon 03-20-26 16:22:14 {A:i B:5 C:2 E:345 A=BS B=BS C=BS D=BS 0R08=0.00 9R dump in. A B C dump(s) in.

Log Number: 4478706Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Yoon
DATE:             03/20/2026
SHIFT:               Swing

The operator has read the following:

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

Log Number: 4478705Logbook(s): 

• ELOG
• LERFLOG

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

Date : 03-20-26
Time : 16:03:26
Day : Friday
Shift : Swing

Crew Chief : Forman
Program Deputy: Roblin
Team : X
Arm : Shenenberger
Designated SSO: Yoon
LERF Operator:
Operators : Shenenberger, Yoon

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

Log Number: 4478704Logbook(s): 

• ELOG
• SRFLOG

Body: 

MYBBS06
- Flange welded, cleaned, leak checked
- Magnet testing commencing

Log Number: 4478703Logbook(s): 

• ELOG

Body: 

Noise has not observed since the shunt module was swapped.
Closing JLab-PTW-10291

- Kissinger

Log Number: 4478702Logbook(s): 

• ELOG

Body: 

TSB5C Box supply has been ramped up to its 345Mev value. Diagnostic data has been collected for review. Ops instructed to run the supply as long as possible to build up runtime.

-O'Brien, Banks

Log Number: 4478701Logbook(s): 

• ELOG

Body: 

Data taken for TSB5C. Supply is presently at setpoint and soaking with no issues. If the supply faults and trips off, do not turn back on. Screenshot the fault and log it.
Ops can ramp down the supply for Hall D if they want to get in after the the soaking period is over ( ~12 hours). Otherwise, please leave on until Monday morning. The longer the better.

Log Number: 4478700Logbook(s): 

• ELOG
• EHSLOG
• RADLOG

Body: 

Replacement and certification completed of CARM RM503.

Log Number: 4478699Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: Corner clean-up ongoing.