Aggregator

Log Number: 4491400Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Janak
DATE:             04/25/2026
SHIFT:               Day

The operator has read the following:

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

Log Number: 4491398Logbook(s): 

• SRFLOG
• ELOG

Entry Makers: dchriBody: 

Log Number: 4491397Logbook(s): 

• ELOG

Entry Makers: kpriceBody: 

Log Number: 4491394Logbook(s): 

• ELOG
• BTLOG

Body: Fopt results from /usr/ntfs/public/optics/diforb/26apr250803
Comment: B beam to 4R
HOSTNAME: opsl01
CED WORKSPACE: OPS CED LOGIN KEY: pro
MYA DEPLOYMENT: ops
CONFIG PATH: /cs/prohome/apps/q/QTSnyder_QT5/1-2/fileio/config/cs.conf
DIFORB PATH: /usr/ntfs/public/optics/diforb

Log Number: 4491392Logbook(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/26apr250803. The X and Y stability of the machine during the run was 0.0595163 and 0.0454786 (mm) respectively.

Log Number: 4491390Logbook(s): 

• ELOG
• BTLOG

Body: 

Comments:

Better than before in x, not so hot in y

Laser Used:

C Laser

Sigmas:

Peak 1 - x Sigma: 0.2077 Peak 2 - u Sigma: 0.3229 Peak 3 - y Sigma: 0.4419

Log Number: 4491389Logbook(s): 

• ELOG
• BTLOG

Body: Fopt results from /usr/ntfs/public/optics/diforb/26apr250751
Comment: Beam to C dumplet
HOSTNAME: opsl01
CED WORKSPACE: OPS CED LOGIN KEY: pro
MYA DEPLOYMENT: ops
CONFIG PATH: /cs/prohome/apps/q/QTSnyder_QT5/1-2/fileio/config/cs.conf
DIFORB PATH: /usr/ntfs/public/optics/diforb

Log Number: 4491388Logbook(s): 

• ELOG

Entry Makers: victorc

Log Number: 4491387Logbook(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/26apr250751. The X and Y stability of the machine during the run was 0.0485359 and 0.034307 (mm) respectively.

Log Number: 4491386Logbook(s): 

• ELOG

Entry Makers: dchriBody: 

FIG.1
Before GP & PL changes

FIG.2
After GP & PL changes

Log Number: 4491385Logbook(s): 

• BTLOG
• ELOG

Entry Makers: dchriBody: 

FIG.1
Before

FIG.2
After adjusting MBC4S10H, separator phase & Vernier

FIG.3
xD (Extracted & needs to be recirculated)

FIG.4
adjustments (including xD phase changes to get xD to recirculate... although, phase changes to xD did not take it to recirculate... but why not?)

Log Number: 4491384Logbook(s): 

• ELOG

Body: 

Laser Used:

C Laser

Sigmas:

Peak 1 - x Sigma: 0.2068 Peak 2 - u Sigma: 0.1304 Peak 3 - y Sigma: 0.1789

Log Number: 4491382Logbook(s): 

• ELOG
• BTLOG

Tags: 

• Autolog

Body: dogCalc V0-14 download - After making it to xC dumplett
After making it to xC dumplett
hostname: opsl02
CED workspace: OPS
CED login_key: pro

Log Number: 4491381Logbook(s): 

• ELOG

Entry Makers: kpriceBody: 

Checking pathlength, then optics to dumplet. No longer overseparated, but again this will need to be re-checked before setting up D beam.

Log Number: 4491380Logbook(s): 

• ELOG

Entry Makers: kpriceBody: 

Not going to spend too much time on this. Laser phase flip didn't work. Separation will need to be re-checked before setting up to D.

Log Number: 4491379Logbook(s): 

• ELOG
• LERFLOG

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

Date : 04-25-26
Time : 07:38:29
Day : Saturday
Shift : Day

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

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

Log Number: 4491378Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: Checking orbit to 1R. Cycled East arc stack.

Log Number: 4491377Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

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

Log Number: 4491376Logbook(s): 

• ELOG
• BTLOG

Body: Fopt results from /usr/ntfs/public/optics/diforb/26apr250710
Comment:
HOSTNAME: opsl01
CED WORKSPACE: OPS CED LOGIN KEY: pro
MYA DEPLOYMENT: ops
CONFIG PATH: /cs/prohome/apps/q/QTSnyder_QT5/1-2/fileio/config/cs.conf
DIFORB PATH: /usr/ntfs/public/optics/diforb

Log Number: 4491375Logbook(s): 

• ELOG

Entry Makers: victorcBody: