Aggregator

Log Number: 4478106Logbook(s): 

• ELOG

Body: 

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

Area.Linacs.South

Total Time: 3.150 mins

Log Number: 4478105Logbook(s): 

• ELOG

Entry Makers: bschaumlBody: 

Mismatched. Reseated card and trim took setpoint and cycled without issue.

Log Number: 4478103Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Tuesday March 17 through 18:00 Wednesday March 18 AES DC power Systems Investigate MST1L11 NL09B10 Ch17

2026-03-18 07:03 - Mark Kissinger

Late En

Log Number: 4478102Logbook(s): 

• ELOG

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

Summary:
2L03-4 Cavity tripped, difficulty bringing it back up. After struggling with it for 20 minutes, we bypassed the cavity and moved on with our lives.Duration:

Log Number: 4478100Logbook(s): 

• ELOG
• CLOG

Tags: 

• Autolog

Body: LEM 9.19 was successfully run for the South Linac on 2026-03-18 17:54:56. The application phase took 00:01:08 to complete.

Log Number: 4478101Logbook(s): 

• ELOG
• RFLOG

Entry Makers: yoonBody: 

needed to do this manually

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