HOME
ESR
EXPERIMENTS
LABS etc
E121
E127
E132
E125
E143
laser_cooling_2021
E142
Ê128
E146
E0052
E0018
E0028
E0038
E0075
E0203_E0018
E0052_2025
Nuclear hyperfine mixing in 229Th89+ 2025, Page 1 of 1
Not logged in
Find
|
Login
|
Help
Full |
Summary
|
Threaded
|
Show attachments
-- All entries --
Last day
Last 3 Days
Last week
Last month
Last 3 Months
Last 6 Months
Last Year
-- Category --
Analysis
Calibration
DAQ
Laser
General
Runs
Detectors
Accelerator
4 Entries
ID
Date
Author
Category
Subject
4
Wed Jun 4 16:18:57 2025
Rodolfo, Simon
Detectors
PMT dark count rates
I adjusted the offsets of the amplifiers in the cave and measured the dark count rates :
PMT
Model
Operation Voltage
Count rate (Hz)
South
ET9422B
Broadband
-1500 V
1300
Middle
ET9423B
Smallband
-2650 V
20
North
ET9423B
Smallband
-2650 V
30
Also the MCP anode of the XUV detector is now connected to the amplifiers and fed to the data cable of "PMT Cu".
Quote:
This is the arrangement of the photomultipiers at the optical detection region at ESR for Thorium 2025
PMT
Model
SN
Operation Voltage
Threshold
South
ET9422B
1042
Broadband
-1500 V
Middle
ET9423B
653
Smallband
-2650 V
10 (preliminary)
North
ET9423B
652
Smallband
-2650 V
12 (preliminary)
3
Wed Jun 4 16:17:47 2025
Simon
Detectors
Nitrogen
The nitrogen supply for the PMTs is turned
ON
.
2
Mon Jun 2 16:36:57 2025
Carsten
Detectors
Mesycontrol
ssh -Y litv-exp@x86l-204
'mesycontrol'
1
Tue May 20 16:14:30 2025
Rodolfo, Simon
Detectors
PMT arrangement at ESR
This is the arrangement of the photomultipiers at the optical detection region at ESR for Thorium 2025
PMT
Model
SN
Operation Voltage
Threshold
South
ET9422B
1042
Broadband
-1500 V
Middle
ET9423B
653
Smallband
-2650 V
10 (preliminary)
North
ET9423B
652
Smallband
-2650 V
12 (preliminary)
ELOG V3.1.5-fc6679b