Aggregator

Log Number: 4467643Logbook(s): 

• ELOG
• POLOG

Tags: 

• Autolog

Body: 

Log Number: 4467642Logbook(s): 

• ELOG

Tags: 

• MCC8am

Body:  PD SUMMARY

Injector (Ops): Performed PQB beam study w/A2@4mm. Issues encountered, to be addressed today.  

Log Number: 4467641Logbook(s): 

• ELOG

Body: 

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

MBM7E01H
MBM7E01V
MBM9E01H
MBM9E01V
MQABE01
MBDBE01H
MBDBE01V
MBT1E01V
MQB3E01
MBM3E01H
MBM3E01V
MBM5E01H
MBM5E01V
MBC7S10H
MBC7S10V
MQA9S06
MBC9S06H
MBC9S06V
MQB1E01
MBT1E01H
MBT1S10H
MBT1S10V
MQA3S10
MBC3S10H
MBC3S10V
MBC5S10H
MBC5S10V

Total Time: 2.967 mins

Log Number: 4467640Logbook(s): 

• ELOG
• POLOG

Tags: 

• Autolog

Body: 

Log Number: 4467639Logbook(s): 

• ELOG

Body: 
HYST AREA Version 7-0 has FAILED to cycle:

MQA3A09 -- E301B12 -- ea3mag -- Failed to set after 2 cycle attempts


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

MBT1A13V
MQA3A10
MBC3A10V
MQA5A10
MBC5A10V
MQA7A10
MBC7A10V
MQB1A13
MBC9A09H
MQA9A09
MBC7A09H
MQA7A09
MBC5A09H
MQA5A09
MBC3A09H
MQA3A09
MBT1A11H
MQB1A11
MBC9A08V
MQA9A08
MBC7A08V
MQA7A08
MBC5A08V
MQA5A08
MBC3A08V
MQA3A08
MBT1A09V

Log Number: 4467633Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Thomas
DATE:             01/29/2026
SHIFT:               Day

The operator has read the following:

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

Log Number: 4467631Logbook(s): 

• ELOG

Body: 

early units occasionally exhibit higher noise and is a result of the lack of a robust test suite early in the I400's lifetime. They have since remedied this by implementing a more inclusive suite of tests and offering free servicing for that specific issue.

Log Number: 4467630Logbook(s): 

• ELOG

Body: 

Let me know if you need software support for anything. So did all 4 channels fail, on each of the electrometers?

Log Number: 4467628Logbook(s): 

• POLOG
• ELOG

Body: 
Record

Log Number: 4467627Logbook(s): 

• ELOG
• RADLOG

Entry Makers: msmithBody: 

Log Number: 4467626Logbook(s): 

• ELOG
• INCLOG

Body: 

1/28/2026 DR BPM Work:
Began HCO for DR BPMs
IPMBS00 - No heartbeat detected for Cal Cell, reseated connector on the Cal Cell and reestablished heartbeat

Log Number: 4467625Logbook(s): 

• ELOG

Body: 

would like to swap the electrometer handling 1s01 and 1s02 today during dayshift.

Log Number: 4467622Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: High Voltage was turned off for:
R02
R03
R04
R12
R13
R14
R15
R16
R17
R18
R19
R1A
R1B
R1C
R1D
R1E
R1F
R1H
R1I
R1J
R1K
R1L
R1M
R1N
R1O
R1P
R1Q

Log Number: 4467621Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: RF was turned off in:
R02
R03
R04
R12
R13
R14
R15
R16
R17
R18
R19
R1A
R1B
R1C
R1D
R1E
R1F
R1H
R1I
R1J
R1K
R1L
R1M
R1N
R1O
R1P
R1Q

Log Number: 4467620Logbook(s): 

• ELOG
• POLOG

Body: 

Plans for today:

1. Measure the lasers circular polarization - now we are using the new HV driver. For this, we need a CA to the laser room for about 2 hours.

2. We have new EPICS PVs names for the new eight high voltages applied to the cell: update ALARM Handler, Hall A Gateway Channel Access, and any other application that uses the RTP HV PVs.

Log Number: 4467619Logbook(s): 

• ELOG
• POLOG

Body: 

- RTP HV Settings - as found:
https://logbooks.jlab.org/entry/4467498

- We are now using JLab HV Driver (old driver is off):
https://logbooks.jlab.org/entry/4467516

Log Number: 4467618Logbook(s): 

• ELOG
• POLOG

Body: 

Notes about the unused KD*P cell:
https://logbooks.jlab.org/entry/4467616

Log Number: 4467617Logbook(s): 

• SRFLOG
• ELOG
• RFLOG

Entry Makers: msmithBody: 

Went into HV on second attempt.
ARC faults in cavities 1, 3, 4, 5 and 7 while turning on RF or tuning.
All cavities steady at 4MV/m GSET.
Cavities 3, 4, 5, and 7 required OLT

Log Number: 4467615Logbook(s): 

• POLOG
• ELOG

Body: 

Low Voltage and Beam QE scans show a good photocathode with max QE of 1.36%:
https://logbooks.jlab.org/entry/4467480

The transverse manipulator was re-engaged to its magnet:
https://logbooks.jlab.org/entry/4467378

Log Number: 4467614Logbook(s): 

• POLOG
• ELOG

Body: 

- Did beam QE scan - max QE 1.36%
- Connected new HV Driver to RTP Pockets Cell
- PQB beam study transmission test for Aperture A2 at 4 mm was unsuccessful - will fix issues today.