Analysis done by JEL of the AIDA daq with his own time-stitcher -- not the standard one used by DESPEC.

- Analysis of 168Dy:

-- Correlation efficiency and stopping layer of ion 168Dy in fully-stripped and hydrogen-like charge-state.

JB has removed unnecessary cables and items from the snout and platform:

- the bPlast cables and booster boards were removed

- crate below the AIDA frame was disconnected from the power supply

- BB7 cables were removed

- power supply for the booster boards was removed

We switch on the system and check the noise conditions.

We started up. BIAS OK. TEMPS OK.

Thresholds initially set to 100 keV.

Rates in all FEEs are > 200 kHZ. Attachment 6.

We then checked the pulser peak widths in aida14. --> 192 channels with 1 V 1x attenuation. at 700 keV threshold (attachment 3). At 100 keV threshold the peak width was significantly higher!!! ---> 385 channels (attachment 2)

We checked the rates in the FEEs with the 700 keV thresholds (attachment 11).

Furthermore, we checked the constant noise that appears to be present in the y FEEs aida02,04,06,08. This can be seen in attachment 8 and has been noted in previous elogs https://elog.ph.ed.ac.uk/DESPEC/727

Info on current status of ion catcher: vacuum system is ON, electronics is also on (RF ~2MHz) on the side opposite to the DESPEC setup

13:30 We are going to do the pulser walkthrough for the the source tests.

We are wrapping the snout in some copper first to further establish a better connection with the ground.

2025Nov07-13.55.01 is a setting with 100 keV threshold across all FEEs.

We got the DAQ running, TEMPS ok and biased OK. We execute the pulser walkthrough as follow:

10x attenuation - 10V -> 1V in steps of 1 V

/lustre/despec/aida_sourcetest_2025/raw/

pulser_wt_10V - 10V

pulser_wt_9V - 9V

pulser_wt_8V - 8V

pulser_wt_7V - 7V

pulser wt_6V - 6V

pulser_wt_5V - 5V

pulser_wt_4V - 4V

pulser_wt_3V - 3V

pulser_wt_2V - 2V

pulser_wt_1V - 1V

Data taking stopped and we turn off the system to a safe state.

Initial analysis of the raw ADC spectra can be seen in attachment 4 & 5.

DAQ stopped at ~17.30 due to anydesk failure


> Restart AIDA
> 
> aida06 took three attempts to boot today :(
> 
> All system checks OK, ASICs aligned
> 
> Run DAQ without merger - looks okay, all FEEs working
> 
> When connecting to merger aida15 drops connection, solution restart merger
> 
> Aida13 not sending data - do an ASIC check/load
> 
> Finally all DAQs send data, merger is happy with all 16 FEEs
> 
> Open run R6 on disk