Aggregator

Operator SIGN IN

23 hours ago
Log Number: 4490371Logbook(s): Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Smith
DATE:             04/21/2026
SHIFT:               Owl

The operator has read the following:
  • ELOG
  • PD Shift Plan
  • Radiation Surveys for PSS Segments in Controlled Access
  • PSS Log
msmith

Injector work summary

23 hours 42 minutes ago
Log Number: 4490369Logbook(s): Entry Makers: ywangBody: 

Set up the injector with 65uA to FC2, HWien = 0.0 deg, A1 = out, A2 = 4mm, laser A at 250 MHz:

Fig. 1: VWien = 0.0 deg, w/ no flip, allsave # 27027
Fig. 2: VWien = 90.0 deg, w/ flip right, allsave # 27024
Fig. 3: VWien = -90.0 deg, w/ flip right, allsave # 27025
Fig. 4: VWien = 90.0 deg, w/ flip left, allsave # 27026

Note: Injector is left with the Wiens off and no flip.

ywang

CREW CHIEF SIGN IN

23 hours 47 minutes ago
Log Number: 4490366Logbook(s): Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 04-21-26
Time : 23:06:03
Day : Tuesday
Shift : Owl

Crew Chief : Deir
Program Deputy: Ogur
Team : A
Arm : RADCON
Designated SSO: Smith
LERF Operator:
Operators : Smith

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

2L25 Commissioning Swing Shift

1 day ago
Log Number: 4490355Logbook(s): Body: 

Found software problem that was causing faulty Gradient calculations.
verifying gradients for 4 cavities.
Cavity 2 reached 24 MV/m but the usable gradient is set to 18 MV/m due to warm window heating heavy FE starting at ~16 MV/m
Cavity 1 reached 24 MV/m with one hour run completed at 24 MV/m mild FE starting at ~ 18 MV/m
Cavity 3 reached 20.7 MV/m (quench limited) with heavy FE starting at ~9.8 MV/m

drury

Shift Information

Shift Swing
CEBAF Program
MCC Crew Chief Richardson
MCC Operators Anthony
Program Deputy Ogur
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