ELOG CARME

CARME

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Entry time:

Sun Jun 16 13:51:11 2024

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14:51

Ecooler setpoint 246.9

Readout 246.35

Collector current 4.3

Target density 4.6E11

Beam intensity 8E7 ions

&nbsp;

Shook left arm to fix it.

&nbsp;

15:32

Right half on BL detector was not counting. Checkloaded. Fixed.

&nbsp;

17:20

Moved left arm out/in to fix it.

Reduced temperature to 38.5 K in steps as the target density was declining.

E1: pressure: 1.57E-1 mbar, turbo frequency: 819&nbsp; Hz

Target density: 1.5E11 atoms/cm2; Ion beam intensity: 6E7 particles (went down slightly, have not been able to get everything back)

<pre>
DSSSD bias &amp; leakage current OK 
FEE64 temperatures OK 
ADC data item stats OK 
per FEE64 Rate spectra OK 
</pre>

&nbsp;

19:50

E1: pressure: 1.61E-1 mbar, turbo frequency: 819&nbsp; Hz

Target density: 1.5E11 atoms/cm2; Ion beam intensity: 7E7 particles (recovered slightly)

<pre>
DSSSD bias &amp; leakage current OK 
FEE64 temperatures OK 
ADC data item stats OK 
per FEE64 Rate spectra OK 
</pre>

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