ELOG CARME

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

CARME

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Entry time:

Thu Jun 12 15:33:17 2025

Author*:

Subject*:

16:34

Like Run 73, but particle detector in YR10 now active, and recorded in MBS.

Clear effect of target on beam lifetime. Target off -&gt; nearly no counts.

Attachment 22 - IPM (no target)

Attachment 23 - IPM (target)

Attachment 24 - YR10 particle detector (gap in events corresponds to target off period)

16.42 DSSSD bias &amp; leakage current - attachments 1-2

DSSSD #4 currently conditioning at -20V

FEE64 temperatures OK - attachment 3

ADC, DISC, PAUSE &amp; RESUME data item stats - attachments 4-7

System wide checks OK *except* WR deocder status aida04 - attachment 8

WR timestamps OK - attachment 9

per FEE64 Rate spectra - attachments 10-12

per FEE64 1.8.L spectra - attachments 13-14

per FEE64 1.8.W spectra - 20us FSR - attachments 15-16

pulser peak width aida06 69 ch FWHM, aida08 67 ch FWHM

Merger, TapeServer OK - attachments 17-18

&nbsp;

ASIC settings 2025Apr08-13.45.30

&nbsp;aida01-aida04 slow comparator 0xc

aida05-aida12 slow comparator 0x8

aida13-aida16 slow comparator 0x64, LEC/MEC 0x1

17.23 CRYRING vacuum and temperature - attachments 19-21

&nbsp;

17.34 routine checks OK

target density c. 5e+12, beam 3e+6

&nbsp;

18.40 changed target x,y position to check correlation between target density and detector counts. New position: x:-1500, y:2400.

checks OK.

target density c. 3.7e+12, beam 3.1e+6

20.00 online analysis - per DSSSD energy spectra - attachment 25

&nbsp;t, h and p energy peaks clearly observed DSSSD #1 and #2 - p energy peak less clear in DSSSD #3

&nbsp;

20.30 checks ok

target density increased to c. 5e+12 for some minutes then back at c. 3.7e+12, beam 3.1e+6.

&nbsp;

21.47 checks ok

target density increased to c. 5.7e+12 around 21.35, then back at c. 3.7e+12. beam 3.1e+6.

&nbsp;

22.30 online analysis - per DSSSD energy spectra - attachment 26

&nbsp;

22.35 Analysis of data file G22-205/R74_29 - attachment 27

no timewarps, all deadtimes &lt;&lt; 1%

&nbsp;

22.45 DSSSD#4 bias -20V -&gt; -40V, leakage current -2.7uA -&gt; -4.09uA

23.14 DSSS\D#4 leakage current c. -9uA, return to bias -20V

&nbsp;

23.21 target density slightly unstable in the last hour, changed nozzle position to x=-2000, y=2500.

&nbsp;

00:04

Temps OK

System wide checks OK

Rates OK

Merger OK (1400 kb/s)

Target oscillating, but looks usable. Need to have another look at temperatures tomorrow morning.

&nbsp;

01:57

Temps OK

Rates OK

Merger OK

Target getting thicker.

&nbsp;

05:00

Temps OK

Rates OK

Merger OK

Target fluctuating

7:20 All sysytem checks ok. Target lost density @ 6;55 from 4.6e12 to 2.6e12 - will try moving. Update 7:30 after moving density back up to 4.4e12.

8:45 All Checks ok but target is fluctuating - really wants to be around 2e12. Had it up to 5e12 about 25 mins ago. Naughty target tbh.

9:25 All checks ok, gone to no storage as now tuning next beam energy.

10:30 All system checks OK, still tuning.

11:38 All system checks ok, still tuning. Frank entered cave to adjust magnetic field as the beam was not cooling at 90 keV/A

12:36 All checks okay, cave still open

13:40 All checks okay, tuning beam currently

14:50 All Checks OK. Target beam overlap currently happening - scanning range not showing anything. Target back on but not hitting - thickness 1.2e12.

&nbsp;

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Attachment 1:

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Attachment 27:

R74_29

 *** TDR format 3.3.0 analyser - TD - May 2021
 *** ERROR: READ I/O error:       5002
                   blocks:      32000
          ADC data format:  261845231 (  182631.5 Hz)
        Other data format:      74772 (      52.2 Hz)
 Sample trace data format:          0 (       0.0 Hz)
         Undefined format:          0 (       0.0 Hz)
   Other data format type:      PAUSE:         45 (       0.0 Hz)
                               RESUME:         45 (       0.0 Hz)
                              SYNC100:      37341 (      26.0 Hz)
                              WR48-63:      37341 (      26.0 Hz)
                           FEE64 disc:          0 (       0.0 Hz)
                             MBS info:          0 (       0.0 Hz)
                           Other info:          0 (       0.0 Hz)

   ADC data range bit set:        106 (       0.1 Hz)

                Timewarps:        ADC:          0 (       0.0 Hz)
                                PAUSE:          0 (       0.0 Hz)
                               RESUME:          0 (       0.0 Hz)
                              SYNC100:          0 (       0.0 Hz)
                              WR48-63:          0 (       0.0 Hz)
                           FEE64 disc:          0 (       0.0 Hz)
                             MBS info:          0 (       0.0 Hz)
                            Undefined:          0 (       0.0 Hz)
                         Sample trace:          0 (       0.0 Hz)

 *** Timestamp elapsed time:     1433.736 s
 FEE  elapsed dead time(s) elapsed idle time(s)
  0                0.185                0.000
  1                0.000              628.972
  2                0.000              554.120
  3                0.050                2.762
  4                0.005                6.506
  5                0.000             1033.389
  6                0.000              131.775
  7                0.000              759.159
  8                2.740                0.000
  9                0.004               21.901
 10                0.000             1310.256
 11                0.005                9.027
 12                0.000                0.000
 13                0.000                0.000
 14                0.000                0.000
 15                0.000                0.000
 16                0.000                0.000
 17                0.000                0.000
 18                0.000                0.000
 19                0.000                0.000
 20                0.000                0.000
 21                0.000                0.000
 22                0.000                0.000
 23                0.000                0.000
 24                0.000                0.000
 25                0.000                0.000
 26                0.000                0.000
 27                0.000                0.000
 28                0.000                0.000
 29                0.000                0.000
 30                0.000                0.000
 31                0.000                0.000
 32                0.000                0.000

 *** Statistics
 FEE  ADC Data Other Data     Sample  Undefined      Pause     Resume    SYNC100    WR48-63       Disc        MBS      Other   HEC Data
  0   40194292      11718          0          0         11         11       5848       5848          0          0          0         76
  1    7144658       1920          0          0          0          0        960        960          0          0          0         30
  2    7356264       2130          0          0          0          0       1065       1065          0          0          0          0
  3   30372380       8614          0          0          5          5       4302       4302          0          0          0          0
  4   25621460       7438          0          0          3          3       3716       3716          0          0          0          0
  5    4380276       1110          0          0          0          0        555        555          0          0          0          0
  6   13281715       3970          0          0          0          0       1985       1985          0          0          0          0
  7    6038211       1666          0          0          0          0        833        833          0          0          0          0
  8   76901033      21984          0          0         20         20      10972      10972          0          0          0          0
  9   21957648       6166          0          0          1          1       3082       3082          0          0          0          0
 10    1365330        376          0          0          0          0        188        188          0          0          0          0
 11   27231964       7680          0          0          5          5       3835       3835          0          0          0          0
 12          0          0          0          0          0          0          0          0          0          0          0          0
 13          0          0          0          0          0          0          0          0          0          0          0          0
 14          0          0          0          0          0          0          0          0          0          0          0          0
 15          0          0          0          0          0          0          0          0          0          0          0          0
 16          0          0          0          0          0          0          0          0          0          0          0          0
 17          0          0          0          0          0          0          0          0          0          0          0          0
 18          0          0          0          0          0          0          0          0          0          0          0          0
 19          0          0          0          0          0          0          0          0          0          0          0          0
 20          0          0          0          0          0          0          0          0          0          0          0          0
 21          0          0          0          0          0          0          0          0          0          0          0          0
 22          0          0          0          0          0          0          0          0          0          0          0          0
 23          0          0          0          0          0          0          0          0          0          0          0          0
 24          0          0          0          0          0          0          0          0          0          0          0          0
 25          0          0          0          0          0          0          0          0          0          0          0          0
 26          0          0          0          0          0          0          0          0          0          0          0          0
 27          0          0          0          0          0          0          0          0          0          0          0          0
 28          0          0          0          0          0          0          0          0          0          0          0          0
 29          0          0          0          0          0          0          0          0          0          0          0          0
 30          0          0          0          0          0          0          0          0          0          0          0          0
 31          0          0          0          0          0          0          0          0          0          0          0          0
 32          0          0          0          0          0          0          0          0          0          0          0          0

 *** Timewarps
 FEE       ADC      Pause     Resume    SYNC100    WR48-63       Disc        MBS  Undefined    Samples
  0          0          0          0          0          0          0          0          0          0
  1          0          0          0          0          0          0          0          0          0
  2          0          0          0          0          0          0          0          0          0
  3          0          0          0          0          0          0          0          0          0
  4          0          0          0          0          0          0          0          0          0
  5          0          0          0          0          0          0          0          0          0
  6          0          0          0          0          0          0          0          0          0
  7          0          0          0          0          0          0          0          0          0
  8          0          0          0          0          0          0          0          0          0
  9          0          0          0          0          0          0          0          0          0
 10          0          0          0          0          0          0          0          0          0
 11          0          0          0          0          0          0          0          0          0
 12          0          0          0          0          0          0          0          0          0
 13          0          0          0          0          0          0          0          0          0
 14          0          0          0          0          0          0          0          0          0
 15          0          0          0          0          0          0          0          0          0
 16          0          0          0          0          0          0          0          0          0
 17          0          0          0          0          0          0          0          0          0
 18          0          0          0          0          0          0          0          0          0
 19          0          0          0          0          0          0          0          0          0
 20          0          0          0          0          0          0          0          0          0
 21          0          0          0          0          0          0          0          0          0
 22          0          0          0          0          0          0          0          0          0
 23          0          0          0          0          0          0          0          0          0
 24          0          0          0          0          0          0          0          0          0
 25          0          0          0          0          0          0          0          0          0
 26          0          0          0          0          0          0          0          0          0
 27          0          0          0          0          0          0          0          0          0
 28          0          0          0          0          0          0          0          0          0
 29          0          0          0          0          0          0          0          0          0
 30          0          0          0          0          0          0          0          0          0
 31          0          0          0          0          0          0          0          0          0
 32          0          0          0          0          0          0          0          0          0

 *** Program elapsed time:   24.852s ( 1287.645 blocks/s,  80.478 Mb/s)

Attachment 28:

Drop attachments here...

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