| ID | 
Date | 
Author  | 
Category | 
Subject | 
Year | 
| 
  434  
 | 
Tue May 25 04:32:39 2021 | 
Cobus, Michele | Runs | Run 0108 | 2021 | 
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 | 
| 
  435  
 | 
Tue May 25 05:36:31 2021 | 
Cobus, Michele | Runs | Run 0109 | 2021 | 
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 | 
| 
  436  
 | 
Tue May 25 06:42:39 2021 | 
Cobus, Michele | Runs | Run 0110 | 2021 | 
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 | 
| 
  383  
 | 
Sat May 22 09:42:20 2021 | 
Beatriz, Yury, Jan | Runs | Run 0070 | 2021 | 
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... | 
| 
  384  
 | 
Sat May 22 11:22:02 2021 | 
Beatriz, Yury, Jan | Runs | Run 0071 | 2021 | 
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. | 
| 
  381  
 | 
Sat May 22 08:00:52 2021 | 
Beatriz, Yury | Runs | Run 0068 | 2021 | 
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. | 
| 
  382  
 | 
Sat May 22 09:07:55 2021 | 
Beatriz, Yury | Runs | Run 0069 | 2021 | 
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 
  | 
| 
  355  
 | 
Thu May 20 15:15:54 2021 | 
Beatriz, Laszlo | Calibration | run0050 | 2021 | 
crap  | 
| 
  356  
 | 
Thu May 20 17:31:28 2021 | 
Beatriz, Laszlo | Calibration | run0051 | 2021 | 
crap  | 
| 
  454  
 | 
Tue May 25 23:27:30 2021 | 
Beatriz, Cobus | Runs | Run 0120 | 2021 | 
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 | 
| 
  386  
 | 
Sat May 22 14:53:34 2021 | 
Beatriz et al. | General | DSSD Movement | 2021 | 
DSSSD moved to the most in position in order to try to scrape the beam with the scraper.  | 
| 
  192  
 | 
Sun Mar 22 15:14:01 2020 | 
 Michael, Laszlo | Runs | run entry - run085, gas jet is back in business! |   | 
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  | 
| Attachment 1: 2020-03-22_15-29-05-937.png
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