ID |
Date |
Author |
Subject |
198
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Wed Feb 16 08:27:27 2022 |
TP, RSS | Alpha background run40 |
09:15
Check Leakage current: (see attachment 1)
Check NewMerger tab: (see attachment 2)
Check Fee temperatures: all green (see attachment 3)
Check statistics tab: ADC data items (see attachment 4)
ADC coincidence-info #8 (see attachment 5)
Good events (see attachment 7)
Check Spectrum Browser tab: (see attachment 6)
Check the following plots: LowEnergyExTotal (see attachment 8)
LowEnergyEyTotal (see attachment 9)
LowEnergyXYRateDSSD0 (see attachment 10)
LowEnergyXYTotalDSSD0 (see attachment 11)
Check system wide checks tab: all okay.
All is good. |
Attachment 1: leakage-2022-02-16_09-15-33.png
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Attachment 2: merger-tab_2022-02-16_09-14-40.png
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Attachment 3: temperatures-2022-02-16_09-16-35.png
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Attachment 4: stats-adc-items-2022-02-16_09-20-16.png
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Attachment 5: aida-correlation-2022-02-16_09-21-16.png
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Attachment 6: spectrum-browser-2022-02-16_09-22-06.png
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Attachment 7: stats-good-event-2022-02-16_09-18-13.png
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Attachment 8: low-enegry-ex-tot-2022-02-16_09-23-25.png
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Attachment 9: low-energy-ey-tot-2022-02-16_09-23-52.png
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Attachment 10: low-energy-xy-rate-dsssd0-2022-02-16_09-26-43.png
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Attachment 11: low-energy-xy-total-dssd0-2022-02-16_09-25-54.png
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199
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Wed Feb 16 12:43:05 2022 |
TP, RSS | Alpha background run40 |
13:30
Check Leakage current: (see attachment 1)
Check NewMerger tab: (see attachment 2)
Check Fee temperatures: all green (see attachment 3)
Check statistics tab: ADC data items (see attachment 4)
ADC coincidence-info #8 (see attachment 5)
Good events (see attachment 6)
Check Spectrum Browser tab: (see attachment 7)
Check the following plots: LowEnergyXYRateDSSD0 (see attachment 8)
LowEnergyXYTotalDSSD0 (see attachment 9)
LowEnergyExTotal (see attachment 10)
LowEnergyEyTotal (see attachment 11)
Check system wide checks tab: all okay.
All is good. |
Attachment 1: leakage-2022-02-16_13-35-38.png
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Attachment 2: merger-state-2022-02-16_13-35-16.png
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Attachment 3: temperatures-2022-02-16_13-36-05.png
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Attachment 4: aida-adc-data-2022-02-16_13-38-13.png
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Attachment 5: adc-good-events-2022-02-16_13-37-02.png
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Attachment 6: aida-correlation-2022-02-16_13-37-39.png
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Attachment 7: spectrum-browser-2022-02-16_13-38-56.png
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Attachment 8: lowenergy-xy-rate-dssd0-2022-02-16_13-42-12.png
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Attachment 9: lowenergy-xytotal-dssd0-2022-02-16_13-41-31.png
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Attachment 10: lowenergy-ex-total-dsssd0-2022-02-16_13-39-43.png
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Attachment 11: lowenergy-ey-total-dsssd0-2022-02-16_13-40-12.png
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38
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Mon Aug 9 12:36:00 2021 |
TD, RSS, ABD | Monday 9 August |
Attachments 1-5 - CARME shipment in CRYRING hall
XHV chambers nearest to YR09
Will remove top and sides of XHV chamber crate and install 4x SAES D-2000, 1x Leybold Mag Lev 400 turbo and 1x Leybold Ionvac IE514 gauge for basic vacuum test.
Attachments 6-7 - spare wire seals shipped from Edinburgh to GSI
poor packing and/or re-packing has resulted in bending of wire seals
wire seals shipped from STFC DL to GSI appear to be OK - see attachment 1
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Attachment 1: 20210809_132802.jpg
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Attachment 2: 20210809_132813.jpg
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Attachment 3: 20210809_132903.jpg
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Attachment 4: 20210809_132913.jpg
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Attachment 5: 20210809_133438.jpg
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Attachment 6: 20210809_145826.jpg
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Attachment 7: 20210809_145831.jpg
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399
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Sat May 13 11:34:25 2023 |
TD, RSS | Saturday 13 May |
12.34 DSSSD#3 bias -149.95V leakage current -6.763uA temperature +21.2 deg C ( https://web-docs.gsi.de/~lestinsk/tempplot.php )
CRYRING cave lights ON - leakage current measurements @ 60s intervals
6.763
6.764
6.764
6.765
6.767
6.767
6.767
6.767
6.768
6.769
12.48 CRYRING cave lights OFF
13.03 leakage current -6.771uA - no obvious change due to the CRYRING cave lighting
17.31 DSSSD#3 bias -149.95V leakage current -6.658uA temperature +21.0 deg C ( https://web-docs.gsi.de/~lestinsk/tempplot.php )
leakage current measurements @ 60s intervals
6.656
6.655
6.655
6.655
6.654
6.652
6.652
6.651
6.650
6.649
CRYRING cave temperature variations/cycles ~0.1 deg C at +21 deg C ambient temperature can produce leakage current variations ~60nA for a leakage current of ~6.6uA
td@winder:~/f77$ ./jgen
*** Enter reference temperature (K)
294
*** Enter minimum temperature, maximum temperature
*** and temperature increment (K)
290 298 0.1
Temperature (K) Ratio (J(T)/J(294.0))
290.0 0.702
290.1 0.708
290.2 0.714
290.3 0.721
290.4 0.727
290.5 0.734
290.6 0.740
290.7 0.747
290.8 0.754
290.9 0.761
291.0 0.767
291.1 0.774
291.2 0.781
291.3 0.788
291.4 0.795
291.5 0.802
291.6 0.809
291.7 0.817
291.8 0.824
291.9 0.831
292.0 0.839
292.1 0.846
292.2 0.854
292.3 0.861
292.4 0.869
292.5 0.877
292.6 0.884
292.7 0.892
292.8 0.900
292.9 0.908
293.0 0.916
293.1 0.924
293.2 0.932
293.3 0.941
293.4 0.949
293.5 0.957
293.6 0.966
293.7 0.974
293.8 0.983
293.9 0.991
294.0 1.000
294.1 1.009
294.2 1.018
294.3 1.027
294.4 1.036
294.5 1.045
294.6 1.054
294.7 1.063
294.8 1.072
294.9 1.082
295.0 1.091
295.1 1.101
295.2 1.110
295.3 1.120
295.4 1.130
295.5 1.139
295.6 1.149
295.7 1.159
295.8 1.169
295.9 1.179
296.0 1.190
296.1 1.200
296.2 1.210
296.3 1.221
296.4 1.231
296.5 1.242
296.6 1.253
296.7 1.263
296.8 1.274
296.9 1.285
297.0 1.296
297.1 1.308
297.2 1.319
297.3 1.330
297.4 1.342
297.5 1.353
297.6 1.365
297.7 1.376
297.8 1.388
297.9 1.400
STOP *** Program ends |
424
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Fri Jul 21 08:21:54 2023 |
TD, RSS | Baking tent manual |
09.20 Pirani 1.00e-3 mbar IE514 3.90e-8 mbar
Today - install TCs, connect to Pico controller and test
10.00 Bakeout tent setup guide (draft) - attachment 1
14:30 Tested all TCs and are fine
05.25 Pirani 1.00e-3 mbar IE514 3.71e-8 mbar |
Attachment 1: CARME-baking-guide_(1).pdf
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172
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Fri Jan 14 10:00:18 2022 |
TD, OH, JM | Friday 14 January |
11.00 Per https://elog.ph.ed.ac.uk/CARME/170 and https://elog.ph.ed.ac.uk/CARME/171 issues have been identified with the FEE64 carriers and adaptor PCBs
Some additional comments
1) Per https://elog.ph.ed.ac.uk/CARME/170 attachments 6-9 we can see that there are no cable strain reliefs to which we can attach the FEE64 power, RJ45 network and
timestamp HDMI cabling. It would probably be straightforward to design something which could be attached to the FEE64 carrier side panels. For the time being we will use
the copper piping of each FEE64 as the nearest, mechanically stable point to which we secure the cabling.
2) Before the skimming of 1x Delron rail yesterday there was a small amount (<1mm say?) of transverse movement of the FEE64 during insertion into the carrier and it is
not clear why. Small sample of measurements of FEE64 carriers, spacers etc.
Delron adaptor PCB support widths 92.85, 92.87, 92.90
Al DN100CF flange attachment width 92.97, 92.99, 93.01
Al FEE64 carrier spacing rod 93.03, 93.04, 93.03
FEE64 width (w/ 1x c. 2mm skimmed Delron rail) 100.2, 100.2, 100.3 (3 measurements along the length of the 1x FEE64)
FEE64 carrier width 102.8, 103.0 (2 measurements of 1x FEE64 carrier)
probably indicates that the spacing between the FEE64 plates is consistent. There is some variability (~0.1mm) in the Delron adaptor PCB which could affect the relative
position of the ERNI pins and sockets. Is there some variability in the width of the FEE64s (w/ rails)? |
373
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Wed Aug 10 10:33:03 2022 |
TD, ML, JM, NP | Meeting at YR09 to discuss options for CARME operations to February 2022 |
Initial discussions of proposals to provide open CARME chamber and provide access to near and far detector chambers
We assume that we need to complete all work installing and testing DSSSDs and re-assembling CARME by Feb 2022 in readiness for bakeout.
Proposal #1
Disconnect far detector chamber section from mid-chamber section
Disconnect DN350CF flange from near detector chamber
Crane to support near detector chamber and mid-chamber sections
Remove feet of near detector chamber and mid-chamber sections
Install cradle(s) beneath near detector chamber and mid-chamber sections
Use for fork lift to remove cradle(s) + near detector chamber and mid-chamber sections - ML confirms that an appropriate fork lift is available
Proposal #2 (suggested by ML)
Design and fabricate table plus rails to extend transverse rails of CARME chamber support assembly
The CARME chamber support assembly comprises the 'feet' plus two-stage welded Al frame
Disconnect far detector chamber section from downstream section
Disconnect DN350CF flange from near detector chamber
Slide CARME chamber plus upper stage of Al support frame transversely onto table
Use crane to move CARME chamber to work area
Other discussions
Discussed workarounds to enable install of FEE64s (outside ring, upper feedthrough) which currently conflicts with longitudinal beam of gas jet target support frame.
To Do
Edinburgh
- investigate feasibility of proposal #2
- investigate how much space is required to install FEE64s (outside ring, upper feedthrough)
e.g. by extension of transverse beams of gas jet target support frame, move current assembly outwards from ring c. 20-25cm
GSI
- investigate feasibility of gas jet target support frame changes outlined above e.g. movement of gas/water services, purchase of longer cross beams etc.
Suggest meeting (online) to discuss results of these investigations and continue discussions w/c August 22 |
Attachment 1: 20220810_111638.jpg
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Attachment 2: 20220810_095036.jpg
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Attachment 3: 20220810_095150.jpg
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Attachment 4: 20220810_095159.jpg
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168
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Tue Jan 11 12:45:15 2022 |
TD, JM, OH | Coolant manifold installation + detector pin tests |
2x cooling water manifolds with 2x 8 ports have been installed - see attachments 1 & 2
'drain' ports at top of manifold to permit release of trapped air volumes. Local technicians will install a standard blank in one manifold and a small nipple valve on the
other so that we can bleed air in a controlled way.
#Multimeter detector pin tests.
Pins on feedthrough flanges investigated using multimeter for the top and bottom detector due to no response from bottom detector when bias was applied. Bias pins on
correct D connectors are number 78.
#Top detector
>Observe -18.5 kohm; between nn bias pin and pn bias pin (multimeter 200kohm setting)
>observe open line between nn bias pin and pins 'near' pn bias pin (multimeter 200kohm setting)
>Between random pins on same D connector (nn bias pin connector) ~0.02Mohm (multimeter 2Mohm setting)
>Between random pins and unconnected on same D connector (nn bias pin connector) - open line (multimeter 2Mohm setting)
>Between random pins and bias pin on same D connector (nn bias pin connector) ~0.01-0.02 Mohm (multimeter 2Mohm setting)
>Between nn bias pin and random pin on another D connector ~-0.4Mohm (multimeter 2Mohm setting)
#Bottom detector
>Observe open line between nn bias pin and pn bias pin (multimeter 200kohm+2Mohm; setting)
>Observe open line between nn bias pin and pins 'near' bias bias pin (multimeter 200kohm+2Mohm; setting)
>Between random pins on same D connector (nn bias pin connector) ~0.02Mohm (multimeter 2Mohm setting)
>Between random pins and unconnected on same D connector (nn bias pin connector) - open line (multimeter 2Mohm setting)
>Between random pins and bias pin on same D connector (nn bias pin connector) ~0.01-0.02 Mohm (multimeter 2Mohm setting)
>Between random pins on same D connector (pn bias pin connector) ~0.02Mohm (multimeter 2Mohm setting)
>Between random pins and unconnected on same D connector (pn bias pin connector) - open line (multimeter 2Mohm setting)
>Between random pins and bias pin on same D connector (pn bias pin connector) ~open line (multimeter 2Mohm setting)
>Between nn bias pin and random pin on another D connector ~-0.4Mohm (multimeter 2Mohm setting)
We see a similar response for both detectors except that the pn bias pin gives no response.
We have looked to find the bias pin on nearby pins to pin 78 and on the other side of the D connector (in case of cabling error-mirror or swapped cables) but cannot find.
4 FEE holders constructed and ready to install |
Attachment 1: 20220111_113628.jpg
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Attachment 2: 20220111_113613.jpg
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Attachment 3: 20220111_111428.jpg
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508
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Mon Feb 12 01:40:48 2024 |
TD, JM, CB, AR, RSS | Run17 - Run20 |
02.35 DAQ continues file G22-88/R17_30
02.38 Check ASIC load
aida01 asics # 1 and #4 & aida12 asic #2 HEC events removed
09.05 DAQ continues file G22-88/R17_53
DSSSD bias & leakage current OK - attachments 10-11
FEE64 temperatures OK - attachment 12
ADC data item stats OK - attachment 13
hot channels aida01 ( 67k ) and aida15 ( 7k )
WR timestamps OK - attachment 14
per FEE64 Rate and Stat spectra - attachments 15-16
Merger, Merger stats and TapeServer - attachments 17-19
09.19 New run G22-88/R18
all histograms & stats zero'd
CB starting up 4He target preparatory to returning 16O2+ beam to CRYRING
L & R arms all out
09.26 4He target c. 2e11c.2
16O2+ beam c. 3e5/s
09.58 4He target c. 3e11/cm2
16O2+ beam c. 5e5/s at start of cycle
See attachments 20-22
10.40 New run G22-88/R19
all histograms & stats zero'd
CB will attempt to steer the beam
all steering options set to 0mm except YR09 target offset (vertical = -9mm) and (horizontal = 9mm)
10.52 R arm fully in, L arm fully out
beam steering hard right
14:24 Frank has informed us that the CRYRING team will be examining the electron cooler for th enext few hours. Run 19 stopped, Run 20 started.
Detectors moved fully out, target OFF.
All histograms and stats zero'd
Access to the cave is required, beam OFF
15:45 Channel 1 back to 150V.
17.40 DAQ continues file G22-88/R20_13
DSSSD bias & leakage current OK - attachments 23-24
FEE64 temperatures OK - attachment 25
All system wide checks OK except aida08 FPGA error - attachment 26
WR timestamps OK - attachment 27
ADC data item stats OK - attachment 28
hot channels aida01 ( 80k ) and aida15 ( 7k )
per FEE64 Rate and Stat spectra - attachments 29-30
Merger, Merger stats and TapeServer - attachments 31-32
23.12 DAQ continues file G22-88/R20_20
DSSSD bias & leakage current OK - attachments 33-34
FEE64 temperatures OK
All system wide checks OK except aida08 FPGA error - attachment 35
WR timestamps OK - attachment 36
ADC data item stats OK - attachment 37
hot channels aida01 ( 80k ) and aida15 ( 7k )
per FEE64 Rate and Stat spectra - attachments 38
Merger, Merger stats and TapeServer - attachments 39-40
03.47 DAQ continues file G22-88/R20_28
DSSSD bias & leakage current OK - attachments 41-42
FEE64 temperatures OK - attachment 43
ADC data item stats - attachment 44
aida12 rate - HEC events
per FEE64 Rate spectra - attachment 45
Check ASIC load
ADC data item stats - attachment 46
per FEE64 Rate spectra - attachment 47
Merger, Merger stats and TapeServer - attachments 48-49
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Attachment 1: Screenshot_from_2024-02-12_02-34-50.png
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8
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Thu Sep 10 11:34:30 2020 |
TD, JM | Thursday 10 September |
All neg feed-throughs have now been fully installed, with ground tags
and power wires crimped and attached to the correct pins. Feed-throughs
are installed as seen in Image
1 of zip file, with mark at the top of the feed-through. The pin
assignment is seen in Image 2. The pins are assigned letters A to F,
with F the top pin and C the bottom
pin as installed(refer to images 1+2). The ground is pin c, with the
two power wires connected to the bottom pins either side of the ground
(pins b and d). Connections of
wires from the negs to the feed-through is seen in image 3. Feed-
throughs have been electrically checked. The ground pin is checked
against the chamber giving
approx 0.5 ohms and the power pins are checked together giving 5-10
ohms. Each of the power pins are open circuit with respect to the
ground. A
thermocouple has been attached under the bolt of one of the neg pumps
(image 4).
Pirani gauge and hot cathode gauge have been installed on the chamber
(images 5,6,7,8) on the section furthest from the turbos.
Upper valve, turbo and supports have all now been installed (images
9,10,11). Images 12,13 are of the internal of the turbo and turbo
ports. The lower valve supports
produced by the Daresbury group (image 14) are also now attached. These
supports were required as the lower valve sits higher than anticipated
due to shorter right-angled
flanges.
Chamber is now ready to close and leak test! |
Attachment 1: 20200910_112152.jpg
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Attachment 2: 20200910_112211.jpg
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Attachment 3: Photos_(1).zip
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187
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Fri Feb 4 12:49:54 2022 |
TD, JM | Grounding Tests and current status |
JM plans to install new crimped, 3mm dia copper drain wires (a la AIDA@DESPEC) this afternoon.
Initial Grounding - Lemo cables connecting adaptor cards ground in daisy chain. Fee bodies connected by 3mm copper drain wires in daisy chain. Two chains brought together
at final adaptor card which is connected to cryring ground.
Attachments 1-5
ADC data item rates all <10k
ASIC settings all LEC slow comparators 0x64
1.8.L spectra aida05-08 widths 556, 511, ?, 570 ch FWHM respectively
1.8.W spectra 20us FSR
Adaptor card grounding image
1.8L widths appear broader than previous day of ~300 width. Reason unknown, no change made to setup as yet.
Second Grounding - 3mm copper drain wires connect each adaptor card to Fee body. Fee bodies daisy chained together using 3mm copper drain wire and connected to cryring
ground.
ADC data item rates all <10k
ASIC settings all LEC slow comparators 0x64
Attachments 6-8
1.8.L spectra aida05-06 widths 620, 550 ch FWHM respectively, 1.1.L aida08 width 350 ch FWHM
1.8.W spectra 20us FSR. Some extra high frequency noise
Adaptor card grounding
Third Grounding - 3mm copper drain wires connect adaptor cards in daisy chains. Fee bodies daisy chained together using 3mm copper drain wire. Two chains brought
together and connected to cryring ground.
ADC data item rates all <10k
ASIC settings all LEC slow comparators 0x64
1.8.L spectra aida05-08 similar to initial grounding ~500 ch FWHM
Attachments 9-11
1.8.W spectra 20us FSR.
AIDA5-8 channel rates. Rates dominated by noisy strips. Missing strips come and go as ASIC settings checked.
Adaptor card grounding
Some work still required to reduce noise in the system and reduce pulser widths. Pulser should also be checked on scope
Gauge turned back ON. Bias 80V, 3.5 uA before. Bias 80V, 5.4 uA after. Bias turned off and on again. NO change to diode characteristic, current ramps high before coming
down once bias on. Bias left ON 80V to see if stable when second gauge turned on and valves reopened. Pulser ON. Fee power OFF. Water cooling ON.
No significant changes to waveforms, pulser width or rates with gauge ON. Other noise contributions probably outweigh effect of the gauge at this point.
3mm copper grounding cable and attachments, crimper and Yorkshire tea left in control room. |
Attachment 1: Screenshot_from_2022-02-04_13-37-54.png
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Attachment 6: 2022-02-04_15-03-391.8*L.png
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Attachment 7: 2022-02-04_14-57-50aida8-1.8*W.png
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Attachment 8: 2022-02-04_16-13-39-1*W.png
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Attachment 9: 2022-02-04_16-01-49rateAIDA5-8.png
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Attachment 10: 20220204_154113.jpg
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370
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Tue Aug 9 13:44:16 2022 |
TD, JM | Tuesday 9 August |
14.00 CARME vacuum c. 1.8e-10 mbar - see attachment 1
open water inlet/outlet taps
NIM bin (MACBs, Ortec 480 Pulser, CAEN N1419ET) switched ON
USB-controlled ac mains relay switched ON - water & interlock LEDs active
Require VETAR2 (previous returned to Nik Kurz) and network switch (currently with AIDA@DESPEC)
Turbo pump ON - normal operation
Ion pumps ON - normal operation
16.30 ML informs us that ambient temperature of CRYRING cave has been increased from c. 16 deg C to c. 21 deg C and that this is likely the cause of the change in vacuum
pressure in YR09 and the rest of the storage ring.
obtained VETAR2 and crate
anydesk restarted |
Attachment 1: Capture_1.PNG
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Attachment 2: 20220809_163450.jpg
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Attachment 3: 20220809_135840.jpg
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Attachment 4: 20220809_135833.jpg
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Attachment 5: 20220809_135801.jpg
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372
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Wed Aug 10 10:30:04 2022 |
TD, JM | Wednesday 10 August |
09.45 Found CARME electrical power off
Reset power switch of distribution box to on
Reset fuse of 19" rack extender board
One of the SIP power modules may be faulty - others switch on OK
14.00 Checked coolant water flow OK
Transferred Netgear 24 port Gbit switch from AIDA (S4) to CARME (YR09)
Re-connected FEE64 RJ45 network cables
Re-connected nnrpi1 RJ45 network cable
Re-connected RJ45 network cable (yellow) to bottom left connector of YR09 patch panel
@CRYRING user control rooms
Connected RJ45 netwwork cable (yellow) from bottom left connector of patch panel (labelled "1-2->YR10" and "3-4->YR10") to CARME server carme-gsi p4p1 port
Retarted HttpdTcl servers on nnrpi1 and carme-gsi.
Normal 5x FEE64 power up
All system wide checks OK
FEE64 temperatures OK - attachment 1
ASIC settings
slow comparator 0x64
Pulser running through aida01-05
Detectors not biased -> lot of noise aida01-04
AIDA stats - attachments 3 & 4
aida05 pulser width ~150 channels FWHM, normal settings, shaping time 8us - attachment 4
See attachments 2-4
Tried changing ADC control register to 0xf in local controls tab -> stops waveform producing data -> no effect on pulser width (slight increase to 160 chn)
fast comparator blanked off (enable disable mask in discriminator control) -> no effect on pulser width
aida05 was ungrounded -> grounded aida05 to the same ground as aida01-04 -> pulser width reduced to 46 chns
Set ADC control register back to 0x0 -> waveforms back -> pulser width reduced to 24 chns
Changed shaping time from 8ms to 1ms -> pulser width increased to 67 chns -> changed back to 8ms shaping time -> returns to 24 chn width
Changed shaping time from 8ms to 2ms -> pulser width increased to 52 chns
Changed shaping time from 2ms to 4ms -> pulser width decreased to 33 chns |
Attachment 1: 4.PNG
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Attachment 2: 3.PNG
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Attachment 3: 2.png
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Attachment 4: 1.png
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375
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Fri Aug 12 09:06:57 2022 |
TD, JM | Noise tests pt2 |
10.07 DSSSD bias -100V leakage current -8.65uA
Waveforms and discriminators off, still on clean power supply
stats are ~10k across all fees
aida03 ~ 220
aida04 ~ 205
aida01 ~ 378
aida02 ~ 259
aida05 ~ 40
Grounding removed from all fees except nn bias fee aida04 and aida05. Grounding goes into both adaptor board and fee body
aida01 - no identifiable peak
aida02 - no identifiable peak
aida05 - double peak separated by 70 chn
aida04 - 400 shouldering
aida03 - no identifiable peak
Grounding removed from all fees except nn and pn bias fees aida04, aida01 and aida05. Grounding goes into both adaptor board and fee body
aida01 - 405
aida02 - no identifiable peak
aida05 - double peak
aida04 - 228
aida03 - 417
Grounding removed from all fees except pn bias fee aida01 and aida05. Grounding goes into both adaptor board and fee body
aida01 - 383
aida02 - no identifiable peak
aida05 - 64
aida04 - no identifiable peak
aida03 - no identifiable peak
Grounding on all fees. Grounding goes into adaptor board only
aida01 - no identifiable peak
aida02 - no identifiable peak
aida05 - 63 (wasn't changed)
aida04 - 700
aida03 - 700
Back to previous grounding on all fees
aida01 - 331
aida02 - 226
aida05 - 37
aida04 - 207
aida03 - 214
power cycle
aida01 - 326
aida02 - 238
aida05 - 46
aida04 - 212
aida03 - 195
Waveforms and discriminator back on
Removed test inputs and terminators from all fees, except aida03 (unable to reach) however the lemo is not touching the chamber
See attached waveforms compared to previous elog 32,33
Inserted test input to aida05 only directly from pulser. Width ~ 28
Inserted test input to aida01 only directly from pulser. Width ~ 329
Waveforms and discriminator off -> no impact on aida01 pulser width
Waveforms and discriminator back on
Connected a grounding cable from one of the water cooling pipes to cryring ground
aida01 ~ 205
aida05 ~ 23
aida02 ~ 105
aida03 ~ 71
aida04 ~ 148
Fees with bias attached to them aida01 (+ve) and aida04 (-ve) both show larger widths than there polarity counterpart
waveform screencap 34,35
Fee probe
7.46V left most bar
-6.26V 2nd bar
5.26V 3rd bar
5.26V 4th bar
5.25V 5th bar
Power supply probe
Top -6.05
2nd -6.05
3rd -6.05
4th +6.49
5th -7.78
new Ortec 448 pulser swapped in
aida04 ~ 166
aida05 ~ 21
Attachment 7-11 oscilloscope picture when probing fee relay power supply. Power ON fees connected. Top is attachment 7, bottom (5th) is attachment 11.
Attachment 12-16 old pulser
Attachment 17-18 new pulser
Attachment 19-23 oscilloscope picture when probing fee relay power supply. Power OFF fees connected. Top is attachment 19, bottom (5th) is attachment 23.
Attachment 24-28 oscilloscope picture when probing fee relay power supply. Power ON, fees disconnected. Top is attachment 24, bottom (5th) is attachment 28.
Attachment 29,30 probe-scope setup |
Attachment 1: 33.PNG
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Attachment 2: 32.PNG
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Attachment 3: 31.PNG
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Attachment 4: 30.PNG
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Attachment 6: 35.PNG
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Attachment 7: 20220812_163204.jpg
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Attachment 8: 20220812_163230.jpg
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Attachment 11: 20220812_163411.jpg
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Attachment 26: 20220812_165849.jpg
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Attachment 27: 20220812_165900.jpg
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Attachment 28: 20220812_165911.jpg
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Attachment 29: 20220812_170337.jpg
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Attachment 30: 20220813_113236.jpg
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378
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Sun Aug 14 06:50:58 2022 |
TD, JM | Sunday 14 August |
07.51 DAQ continues files 22Feb/R97
ASIC settings 2022Jan31-11-52-00
slow comparator 0x64
EG&G Ortec 448 Pulser OFF
All system wide checks OK
Attachment 1 - ADC data item stats
Attachment 2 - FEE64 temps OK
Attachments 3 & 4, 8 & 9 - per FEE64 1.8.W spectra 20us FSR and 200us FSR
Attachments 5 & 6 - per FEE64 1.8.L spectra
Attachment 7 - per FEE64 stat spectra
Leakage current remains 8.36 uA, 100V.
Bias power OFF, SIP ion pump power back ON. NIM crate powered off. Motors pi and nnrpi1 still on for remote access.
Compressed air off, water off. Fee relay power off and power cable disconnected. Motors box off. Safety pin for motors reinserted.
Checked cable harnesses at cryring. 2 good short sections found and left with boxes in cryring. 2 damaged long sections (bad pin and broken ceramic) taken to repair in
Edinburgh. |
Attachment 1: 60.PNG
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Attachment 2: 59.PNG
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Attachment 3: 58.PNG
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Attachment 4: 57.PNG
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Attachment 5: 56.PNG
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Attachment 6: 55.PNG
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Attachment 7: 54.PNG
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Attachment 8: 61.PNG
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Attachment 9: 62.png
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Attachment 10: 20220814_091209.jpg
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480
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Mon Jan 29 15:32:08 2024 |
TD, JM | Monday 29 January contd. |
Test + and test - daisy chain cabling extended from DSSSD #1 to #2 to DSSSD #1 to DSSSD #4
terminated by 50 Ohm at end of daisy chain
Grounding cabling extended from DSSSD #1 ( only ) to DSSSD #1 to DSSSD #4
grounding cables daisy-chained between 4x adaptor PCBs of each DSSSD - no inter-DSSSD grounding cables
DSSSD#1 bias cable SHV-Lemo 00.250 ( to p+n bias adaptor PCB )
DSSSD#2 - DSSSD #4 bias cables SHV - 2x Lemo 00.250 ( to p+n/n+n bias adaptor PCBs )
LK1 fitted for DSSSD #1 & #2 n+n Ohmic side bias adaptor PCBs
LK2 not fitted on any adaptor PCBs? to be checked
CAEN N1419ET internal jumper fitted ( non-floating outputs )? to be checked
16.54 DSSSD bias OK - see attachment 1
FEE64 temperatures - attachment 2
aida06 ASIC temp low
System wide checks and WR - attachments 3-6
global clock status aid04 0x6, aida06 0x4
multiple FPGA timestamp and WR decoder errors for MACBs 4 and 5 ( of 5 )
WR timestamps OK for aida01-aida08 ( w/ MACB firmware version 04/20 )
ADC data item stats - attachment 7
all rates consistent with 50Hz pulser *except*
aida11 global clock fail
aida07 no boot
aida16 no power
aida06 ?
aida15 faulty asic #2
per FEE64 Rate spectra - attachment 8
per p+n and n+n FEE64 1.8.L spectra - attachments 9-12
Pulser peak width p+n side 52 ch FWHM ( aida12 ), n+n side 70 ch FWHM ( aida14 )
per p+n and n+n 1.8.W spectra - 20us FSR - attachments 13-16 |
Attachment 1: Screenshot_from_2024-01-29_16-54-37.png
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Attachment 2: Screenshot_from_2024-01-29_16-56-12.png
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Attachment 3: Screenshot_from_2024-01-29_16-55-07.png
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Attachment 4: Screenshot_from_2024-01-29_16-55-24.png
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Attachment 5: Screenshot_from_2024-01-29_16-55-39.png
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Attachment 6: Screenshot_from_2024-01-29_16-55-53.png
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Attachment 7: Screenshot_from_2024-01-29_16-59-13.png
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Attachment 8: Screenshot_from_2024-01-29_17-03-10.png
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Attachment 9: Screenshot_from_2024-01-29_17-05-44.png
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Attachment 10: Screenshot_from_2024-01-29_17-06-15.png
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Attachment 11: Screenshot_from_2024-01-29_17-08-53.png
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Attachment 12: Screenshot_from_2024-01-29_17-09-23.png
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Attachment 13: Screenshot_from_2024-01-29_17-11-01.png
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Attachment 14: Screenshot_from_2024-01-29_17-11-39.png
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Attachment 15: Screenshot_from_2024-01-29_17-12-26.png
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Attachment 16: Screenshot_from_2024-01-29_17-13-06.png
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541
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Thu Apr 18 13:34:06 2024 |
TD, JG | Thursday 18 April |
14.30
per FEE64 1.8.L spectra
aida11 pulser peak width 52 ch FWHM
14.45 EG&G Ortec 448 Pulser OFF
all stats & histograms zero'd
alpha background
22.00 DSSSD bias and leakage current OK - attachment 10
FEE64 temperatures OK - attachment 11
ADC data item stats - attachment 12
per FEE64 Stat spectra - attachment 13
Comparison of attachment 9 (per FEE64 Rate spectra with pulser) indicates significant issues (downstream of adaptor PCB) for DSSSD #1
Possible issues asics #3 aida01 and possible adaptor PCB misalignment aida05 |
Attachment 1: Screenshot_from_2024-04-18_14-22-41.png
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Attachment 2: Screenshot_from_2024-04-18_14-23-10.png
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Attachment 3: Screenshot_from_2024-04-18_14-23-51.png
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Attachment 4: Screenshot_from_2024-04-18_14-24-18.png
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Attachment 5: Screenshot_from_2024-04-18_14-27-33.png
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Attachment 6: Screenshot_from_2024-04-18_14-28-26.png
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Attachment 7: Screenshot_from_2024-04-18_14-31-14.png
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Attachment 8: Screenshot_from_2024-04-18_14-32-31.png
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Attachment 9: Screenshot_from_2024-04-18_14-43-27.png
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Attachment 10: Screenshot_from_2024-04-18_21-57-51.png
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Attachment 11: Screenshot_from_2024-04-18_21-58-31.png
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Attachment 12: Screenshot_from_2024-04-18_21-59-11.png
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Attachment 13: Screenshot_from_2024-04-18_21-59-35.png
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262
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Wed Feb 23 21:27:29 2022 |
TD, CN | check |
Motor position ok
Data rate: 1030kbytes/s
T ok
System wide check ok
plots uploaded
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Attachment 1: Screenshot_from_2022-02-23_22-29-36.png
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Attachment 2: Screenshot_from_2022-02-23_22-30-24.png
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Attachment 3: Screenshot_from_2022-02-23_22-33-23.png
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Attachment 4: Screenshot_from_2022-02-23_22-36-57.png
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Attachment 10: Screenshot_from_2022-02-23_22-43-39.png
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Attachment 11: Screenshot_from_2022-02-23_22-46-52.png
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552
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Fri May 10 21:23:35 2024 |
TD, CB, JM | 20Ne7+ test beam |
22.00
Carsten Brandau stopping e-target experiment Unattended beam overnight. No operators watching.
10^5 (nominal) 20Ne7+ at 380keV/u beam available
Carsten reports beam is unstable, often disappearing, and in bunched mode.
4x MSL type TTT14 DSSSDs not moving, locked in out position
Starting CARME MIDAS DAQ ASIC settings 2024Apr24-14.14.03
slow comparator 0x64 E
G&G Ortec 448 Pulser OFF
DSSSD bias & leakage currents - attachment 1
FEE64 temperatures OK - attachment 2
All system wide checks OK, WR timestamps OK - attachment 3
ADC data item stats - attachment 4
Rates dominated by two hot channels aida15 per FEE64 Stat spectra - attachment 5
per FEE64 1.8.L spectra - attachments 6-7 no obvious beam energy peak, continuum of energies from below beam energy to threshold
per FEE64 1.8.W spectra - attachments 8-9
22.55 Start data file APR24/R5 Merger, TapeServer etc - attachments 10-12
270k data items/s
23:29 Activated CARMESort script. See attachments 13-15.
No obvious beam or signal of any kind. Temperatures OK.
00:13 DAQ continues OK. System-wide check OK. Temps OK. Still no clear sign of beam.
01:03 Daq continues OK. System wide checks OK, Temps OK.
Only low energies observed in the energy spectrum. Looks a bit like the low energy noise observed in our previous runs with no/very few counts above what would be beam energy (~7.6 MeV)
Note the xy plots are not all orientated correctly (strips are correct in the sort code but root axis need to be flipped - I can;t remember how atm). The part of the plots with counts are those closest to the beam.
02:00 DAQ continues OK. System wide checks OK. Temps OK.
Spectra still looks the same. I have noticed the right hand side rate is higher than the left. EyEx cut spectrum also looks like much more counts outside of the cut.
03:40
DAQ continues. All checks and temps OK.
I can now see a small peak at 5 MeV in the bottom left dssd. This dssd also has the least number of counts in the low energy continuum.
I have logged back into grafana on x2go to get the number ions in the ring. Attachment 17
04:23 (05:23 EU)
DAQ stopped, merger stopped, tape server stopped. Bias OFF. FEEs turned OFF. Screen shots taken of the monitoring code plots - not yet uploaded.
Windows and servers remain up in case we want to do some more tests in the near future.
Attachment 18 shows beam intensity for total run time from Grafana |
Attachment 1: Screenshot_from_2024-05-10_22-31-48.png
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Attachment 2: Screenshot_from_2024-05-10_22-32-52.png
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Attachment 18: 20240511_042236.jpg
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147
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Wed Nov 10 14:41:12 2021 |
TD RSS + CB (remotely) | Wrapping CARME in heating tape |
ML reports that baking of the upstream section (gas jet interaction chamber plus e-target) has commenced - initially to 50 deg C to check thermocouples. If OK baking
temperature will be ramped slowly (which I think means c. 10 deg C per h) to limits established for specific components by the e-target.
Ragan and Oemer are currently threading a 10m heating tape helically around the CARME chamber.
16.20 ML reports baking of upstream section is proceeding OK - currently ramping to 100 deg C at 10 deg C / h.
16.25 RSS reports that he completed the install of the thermocouples this morning and will update the Elog with specific locations of each thermocuple and TC08 channel
later today.
16:30 All CARME thermocouples <20 C. No temperature changes. Monitor.x left under screen. Please summon with screen -x and dismiss with CTRL+a d
17:40 One CARME thermocouple at 40C (CARME front) |