Aggregator

Operator SIGN IN

22 hours 5 minutes ago
Log Number: 4490560Logbook(s): Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Smith
DATE:             04/23/2026
SHIFT:               Owl

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

Flowing in Helium

22 hours 32 minutes ago
Log Number: 4490557Logbook(s): Body: 

We flowed helium with flow rate 110cc/min at room temperature (~293K) at 11:00 pm on Aprl 22, 2026.
The cryochiller was turned on at 11:20 pm. The following is the target screen overview after truning on the cryochiller.

yiyu

CREW CHIEF SIGN IN

22 hours 36 minutes ago
Log Number: 4490555Logbook(s): Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 04-22-26
Time : 23:14:03
Day : Wednesday
Shift : Owl

Crew Chief : Deir
Program Deputy: Sereno
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

HYST AREA 7-0 Cycles Magnets

23 hours 49 minutes ago
Log Number: 4490550Logbook(s): Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MQJ0L01
MQJ0L02
MQJ0L02A
MQJ0L03A
MQJ0L03
MQJ0L04
MQJ0L05
MQD0L06
MQB0L07
MQB0L08
MQB0L09
MQB0L10

Total Time: 1.167 mins

bschauml

HYST AREA 7-0 Cycles Magnets

23 hours 49 minutes ago
Log Number: 4490549Logbook(s): Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MFX2I01
MFX1I03
MFG1I04A
MFX0I01
MFA0I03
MFD0I04
MFA0I05
MFX0I05
MFX0I06
MFX0I07

Total Time: 0.683 mins

bschauml

Autolog restore

23 hours 52 minutes ago
Log Number: 4490548Logbook(s): Tags: Body: saver ran from opsl01
Data from: /usr/opdata/burt/allsnap/04-21-26_22:22:02
Restored file: /tmp/04-22-26_22:14:41.snap


Setting up for the next phase of MOLLER study
bschauml

Autolog save

23 hours 52 minutes ago
Log Number: 4490547Logbook(s): Tags: Body: saver ran from opsl01

Saved: bschauml 04-22-26 22:14:23 {A:i B:3 C:2 E:345 A=BS B=BS C=BS D=BS 0R08=0.00 0R08 dump in. Autosave prior to restore.
bschauml

Clearing up Consternation Regarding Flip Settings

1 day 1 hour ago
Log Number: 4490543Logbook(s): Entry Makers: bschaumlBody: 

To help assure the MOLLER folks that our spin flippers are flipping correctly (right): Figure 1 shows the various BdLs that the Injector Steering Script sets for various flip configurations. Note that "Flip Right" sets a positive BdL in each solenoid. The field for both solenoids is currently set to be positive, each with a positive current, as shown in Figures 2 and 3. The Spin Controls screen in figure 4 shows, in the middle column, the positive currents for each solenoid. However, the Flip State readback on the bottom of the screen says "Flip Left" because this is the end result of the VWien precessing spin downwards and the spin flipper solenoids precessing the downward spin in a right-handed direction.

bschauml

2L25 Commissioning Day and Swing Shift

1 day 1 hour ago
Log Number: 4490542Logbook(s): Body: 

Completed a one hour run on cavity 3 at 20.1 MV/m
Cavity 4: Emax = 22.8 MV/m with a one hour run at 22.5 MV/m Heavy Field emission
Cavity 8: Emax = 15.3 MV/m with a one hour run at 14.8 MV/m light FE

We are ready to do some dP/dt Qo's tomorrow for comparison with the mass flow measurements being done on Owl shift

drury

Shift Information

Shift Swing
CEBAF Program
MCC Crew Chief Richardson
MCC Operators Anthony
Program Deputy Sereno
Announcements

Access Status

Recent PSS History

recent pss history graph