 Tue May 25 04:32:39 2021, Cobus, Michele, Runs, Run 0108, 2021
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No. of stacks: 30 (before 20)
length SC10: 3x 5.5s
bump ge01sq2f (sc10): -20 mm (before -10 mm)
open file : e127b_run0108.lmd
beam: 118Te52+
energy: 7 MeV/u
cooler voltage:
purpose:
Fragment beam measurement (beating the record of rad. beam pg-measurement)
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): +3.5 mm (20mm away from beam)
run start: 04:32:00 25.05.2021
run stop: 05:35:48 25.05.2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: ~0 Hz
Xray_ON_bdt: 120 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 390 uA
SIS particles before: 3.6e9
ESR current at injection: 5.0e6 (stacked)
ESR particles after decel.: 1.5e6
Target ON density: 1.0e14
Comments:
~40% less ESR current at injection ~04:38 - end of run
No beam in SIS, 05:24 - 05:31 |
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Tue May 25 05:36:31 2021, Cobus, Michele, Runs, Run 0109, 2021
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No. of stacks: 30 (before 20)
length SC10: 3x 5.5s
bump ge01sq2f (sc10): -20 mm (before -10 mm)
open file : e127b_run0109.lmd
beam: 118Te52+
energy: 7 MeV/u
cooler voltage:
purpose:
Fragment beam measurement (beating the record of rad. beam pg-measurement)
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): +3.5 mm (20mm away from beam)
run start: 05:35:52 25.05.2021
run stop: 06:41:53 25.05.2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: ~0 Hz
Xray_ON_bdt: 140 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 390 uA
SIS particles before: 3.6e9
ESR current at injection: 5.5e6 (stacked)
ESR particles after decel.: 1.5e6 (more or less)
Target ON density: 1.0e14 |
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Tue May 25 06:42:39 2021, Cobus, Michele, Runs, Run 0110, 2021
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No. of stacks: 30 (before 20)
length SC10: 3x 5.5s
bump ge01sq2f (sc10): -20 mm (before -10 mm)
open file : e127b_run0110.lmd
beam: 118Te52+
energy: 7 MeV/u
cooler voltage:
purpose:
Fragment beam measurement (beating the record of rad. beam pg-measurement)
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): +3.5 mm (20mm away from beam)
run start: 06:42:05 25.05.2021
run stop: 07:45:55 25.05.2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: ~0 Hz
Xray_ON_bdt: 140 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 390 uA
SIS particles before: 3.6e9
ESR current at injection: 5.5e6 (stacked)
ESR particles after decel.: 1.5e6 (more or less)
Target ON density: 1.0e14 |
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Sat May 22 09:42:20 2021, Beatriz, Yury, Jan, Runs, Run 0070, 2021
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open file : e127b_run0070.lmd
beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:
purpose:
Reference measurement
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): out/not used
run start: 09:41:54 22-05-2021
run stop: 11:20:39 22-05-2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: 50 Hz
Xray_ON_bdt: 500 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 340 uA
SIS particles before: 6e7
ESR current at injection: 3.1e7
ESR particles after decel.: 4.1e6
Target ON density: 1.0e14
No beam or low intensity for quite some while... |
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Sat May 22 11:22:02 2021, Beatriz, Yury, Jan, Runs, Run 0071, 2021
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open file : e127b_run0071.lmd
beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:
purpose:
Reference measurement
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): out/not used
run start: 11:21:40 22-05-2021
run stop: 11:56:31 22-05-2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: 50 Hz
Xray_ON_bdt: 500 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 340 uA
SIS particles before: 9e7
ESR current at injection: 3e7
ESR particles after decel.: 3e6
Target ON density: 1.0e14
We close file so that Jan and Jury can go into the ESR to try to solve the problem with the control system of the scraper. |
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Sat May 22 08:00:52 2021, Beatriz, Yury, Runs, Run 0068, 2021
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open file : e127b_run0068.lmd
beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:
purpose:
Reference measurement
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): out/not used
run start: 08:00:43 22-05-2021
run stop: 09:06:54 22-05-2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: 30 Hz
Xray_ON_bdt: 200 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 330 uA
SIS particles before: 2e7
ESR current at injection: 6e6
ESR particles after decel.: ~1e6
Target ON density: 1.0e14
The intensity is lower because they are preparing a 4He beam for R3B.
For a few minutes there were no particles in SIS.
We have quite some fluctuations in intensity in this run. |
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Sat May 22 09:07:55 2021, Beatriz, Yury, Runs, Run 0069, 2021
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open file : e127b_run0069.lmd
beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:
purpose:
Reference measurement
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): out/not used
run start: 09:07:16 22-05-2021
run stop: 09:20:24 22-05-2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: 30 Hz
Xray_ON_bdt: 200 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 330 uA
SIS particles before: 2e7
ESR current at injection: 6e6
ESR particles after decel.: ~1e6
Target ON density: 1.0e14
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Thu May 20 15:15:54 2021, Beatriz, Laszlo, Calibration, run0050, 2021
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crap |
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Thu May 20 17:31:28 2021, Beatriz, Laszlo, Calibration, run0051, 2021
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crap |
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Tue May 25 23:27:30 2021, Beatriz, Cobus, Runs, Run 0120, 2021
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No. of stacks: 20
length SC10: 3x 5.5s
bump ge01sq2f (sc10): -20 mm (before -10 mm)
open file : e127b_run0120.lmd
beam: 118Te52+
energy: 7 MeV/u
cooler voltage:
purpose:
Fragment beam measurement (beating the record of rad. beam pg-measurement)
Detector position (Si): -25 mm
GE01DD1IG position (Scraper): +3.5 mm (20mm away from beam)
run start: 23:26:41 25.05.2021
run stop: 00:26:29 26.05.2021
_______________________________________________________________________________
ON Rates
Si_ON_bdt: ~3 Hz
Xray_ON_bdt: 250 Hz
BaF_OR: ---
Si voltage: 100.0 V
Si leakage current: 380 nA
SIS particles before: 3.0e9 (one shoot)
ESR current at injection: 6.5e6 (stacked)
ESR particles after decel.: 2e6 (more or less)
Target ON density: 1.0e14 |
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Sat May 22 14:53:34 2021, Beatriz et al., General, DSSD Movement, 2021
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DSSSD moved to the most in position in order to try to scrape the beam with the scraper. |
Sun Mar 22 15:14:01 2020, Michael, Laszlo, Runs, run entry - run085, gas jet is back in business!, 
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open file : run085
beam: 118Te52+
energy: 10 MeV/u
purpose: data with TARGET ON and SCRAPER is back again--> We expect to cut the Rutherford for now on.
Detector position (Si): -24 mm
run start at 14:39 , first file: run085_0001.lmd
run stop at , last file: run_0xxx.lmd
_______________________________________________________________________________
time: 15:14 pm.
ON Rates
Si_X: 0 Hz
Si_Y: 0 Hz
Xray_35: 2 Hz
Xray_90: 55 Hz
Xray_145: 32 Hz
BaF_OR: Hz
Si voltage: 60.02 V
Si leakage current: 4.07 uA
SIS particles before: ~2e9
ESR current at injection: 9 uA
ESR particles after decel.:
Target ON density: 8.7e13
copy and repeat the above (below the line) every 30 minutes
http://clipboard.acc.gsi.de/screenshot-app/screenshots/tcl1048/2020-03-22_15-29-05-937.png |