Aggregator

Log Number: 4478097Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
2L03-4
Username: yoon
Date/Time: 03-18-26_17:53:30
RF Status: Bad
Tuner Status: Good
Comment: C75 Bypassed - couldnt recover RF in cavity
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4478096Logbook(s): 

• ELOG
• RFLOG

Entry Makers: yoonBody: 

couldnt get this Cav FSD fault to clear after trying a POFF, lowering GSET, etc
so bypassing

Log Number: 4478094Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 16520Title:
2L03-4 Cavity tripped

Summary:
2L03-4 Cavity tripped, difficulty bringing it back upDuration:
17 minutes

Time Down:
18-Mar-2026 17:24

Time Up:

Log Number: 4478091Logbook(s): 

• ELOG

Body: 

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

MQA4A11
MBC4A11H
MQA6A11
MBC6A11H
MBC8A11H
MQA4A10
MBC4A10V
MQA6A10
MBC6A10V
MQA8A10
MBC8A10V
MBDAA10V
MBT2A14H
MQA6A09
MBC6A09H
MQA8A09
MBC8A09H
MQC2A13
MBT2A13V
MQA8A08
MBC8A08V
MBDAA09H
MQC2A11
MBT2A11H
MQA4A09
MBC4A09H

Total Time: 2.917 mins

Log Number: 4478090Logbook(s): 

• BTLOG
• ELOG

Entry Makers: roblinBody: 

This is just to illustrate how well the spreader matching process works. Figure 1 is the beam envelope at 4E01 before match. Figure 2 is after match.

Log Number: 4478086Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

Beam Conditions:
Total Linac Current (R2XXITOT) = 0
Hall A Current (IBC1H04CRCUR2) = 0
Hall B Current (IPM2C24A.IENG) = 0.114613
Hall C Current (IBC3H00CRCUR4) = 0
Hall D Current (IBCAD00CRCUR6) = 0
BSY Current (IBC4C00CRCUR5) = 0
INJ Energy (MMSINJEGAIN) = 38.9312
NL Energy (MMSLIN1EGAIN) = 345
SL Energy (MMSLIN2EGAIN) = 345

Gradient Problems:
0L02-7 Klystron Cathode Current (KCCU)=0.00378418 (<=0.7A)
0L03-1 Local Oscillator Power (LOPW)=54.7 (<=70mW)
1L04-8 GLDER=200 (>=200) with RF OFF - Check Detuning
1L06-1 GLDER=452 (>=200) with RF OFF - Check Detuning
1L07-1 Local Oscillator Power (LO

Log Number: 4478087Logbook(s): 

• ELOG

Entry Makers: yoonBody: 

Log Number: 4478084Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632

Saved: samari 03-18-26 16:49:49 {A:i B:5 C:2 E:345 A=Tune B=BS C=BS D=BS 0R08=4.44 4R dump in. dump(s) in.

Log Number: 4478078Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Schaumloffel
DATE:             03/18/2026
SHIFT:               Swing

The operator has read the following:

Log Number: 4478074Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Yoon
DATE:             03/18/2026
SHIFT:               Swing

The operator has read the following:

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

Log Number: 4478073Logbook(s): 

• ELOG

Body: 

Laser Used:

A Laser

Sigmas:

Peak 1 - x Sigma: 0.1214 Peak 2 - u Sigma: 0.0987 Peak 3 - y Sigma: 0.1217

Log Number: 4478070Logbook(s): 

• HCLOG
• ELOG
• SRFLOG

Body: 

Prepped for Hall C pump down and leak check on beam line

Log Number: 4478068Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632

Saved: janak 03-18-26 15:58:13 {A:i B:5 C:2 E:345 A=BS B=BS C=BS D=BS 0R08=0.00 4R dump in. dump(s) in.

Log Number: 4478067Logbook(s): 

• ELOG
• BTLOG

Body: Fopt results from /usr/ntfs/public/optics/diforb/26mar181551
Comment: Post 4E match
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: 4478066Logbook(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 0.488207 and 0.488207 volts respectively. The max. amplitude setting was 1 millimeters. The files for this run were saved in the directory /cs/opshome/hlapps/optics/diforb/26mar181551. The X and Y stability of the machine during the run was 0.1003 and 0.0560532 (mm) respectively.

Log Number: 4478064Logbook(s): 

• ELOG

Body: 

Camera ID: [ id = MCCA1, pv = null, name = MCC AXIS 1-1, connection = mjpg, url = http://opsvid3:80/axis-cgi/mjpg/video.cgi?date=0&clock=0&camera=3, xptOut = ITVXPTop12_sel ]

Log Number: 4478063Logbook(s): 

• ELOG
• LERFLOG

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

Date : 03-18-26
Time : 15:32:22
Day : Wednesday
Shift : Swing

Crew Chief : Forman
Program Deputy: Roblin
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: 4478062Logbook(s): 

• ELOG

Body: 

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

Magnets contained in the following file: /tmp/matchingTool.snap_76TxxM
MQA4S04
MQA4S05
MQA4S06
MQA4S07
MQA4S08
MQA4S09
MQA4S10

Total Time: 0.667 mins

Log Number: 4478061Logbook(s): 

• ELOG
• BTLOG

Tags: 

• Autolog

Body: MQA4S10 Match Download

hostname: opsl01
CED workspace: OPS
CED login_key: pro


CHANNELNEW VALUEOLD VALUEMQA4S04.BDL-14417.5001-15343.1611MQA4S05.BDL14860.199118349.0000MQA4S06.BDL-7987.2624-7987.2598MQA4S09.BDL9891.2619-4729.5098MQA4S10.BDL-17852.17195151.8359

Log Number: 4478060Logbook(s): 

• ELOG
• BTLOG

Body: MQA4S10 Multi-Matching Results
HOSTNAME: opsl01 CED WORKSPACE: OPS CED LOGIN KEY: pro

Files saved to /cs/prohome/apps/q/qsUtility/7-34/fileio/multimatch_data/MQA4S10/MQA4S10_2026-03-18_15:37

Allow optimizer to change quad signs? YES

Start with present machine settings instead of design? NO

Best match was match10.log