| ID | 
Date | 
Author | 
Category | 
Subject  | 
Year | 
| 
  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. | 
| 
  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... | 
| 
  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 
  | 
| 
  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. | 
| 
  380  
 | 
Sat May 22 06:53:08 2021 | 
Cobus, Michele, Beatriz, Yury | Runs | Run 0067 | 2021 | 
open file : e127b_run0067.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: 06:52:32 22-05-2021 
run stop: 08:00 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    50 Hz 
Xray_ON_bdt:  450 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      7.3e7          
ESR current at injection:  1.9e7     
ESR particles after decel.: 2.0e6  
Target ON density:          1.0e14 
  
For some minutes there was no beam in the ESR because Yuri was trying to move the scraper. | 
| 
  379  
 | 
Sat May 22 05:49:31 2021 | 
Cobus, Michele | Runs | Run 0066 | 2021 | 
open file : e127b_run0066.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: 05:48:52 22-05-2021 
run stop: 06:52:28 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    70 Hz 
Xray_ON_bdt:  700 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      1.25e8          
ESR current at injection:  3.75e7     
ESR particles after decel.: 3.5e6  
Target ON density:          1.0e14 
  | 
| 
  378  
 | 
Sat May 22 04:50:21 2021 | 
Cobus, Michele | Runs | Run 0065 | 2021 | 
open file : e127b_run0065.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: 04:49:47 22-05-2021 
run stop: 04:48:41 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    70 Hz 
Xray_ON_bdt:  650 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      1.1e8          
ESR current at injection:  3.5e7     
ESR particles after decel.: 2.5e6  
Target ON density:          1.0e14 
  | 
| 
  377  
 | 
Sat May 22 03:50:18 2021 | 
Cobus, Michele | Runs | Run 0064 | 2021 | 
open file : e127b_run0064.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: 03:49:36 22-05-2021 
run stop: 04:49:37 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    60 Hz 
Xray_ON_bdt:  500 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      1.0e8          
ESR current at injection:  3.0e7     
ESR particles after decel.: 2.5e6  
Target ON density:          1.0e14 
  | 
| 
  376  
 | 
Sat May 22 02:50:40 2021 | 
Cobus, Michele | Runs | Run 0063 | 2021 | 
open file : e127b_run0063.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: 02:50:16 22-05-2021 
run stop: 03:49:22 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    60 Hz 
Xray_ON_bdt:  600 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      1.25e8          
ESR current at injection:  3.1e7     
ESR particles after decel.: 2.5e6  
Target ON density:          1.0e14 
 
Comment: Beam back to normal.  
         Si off rate over 120 at ~ 03:32  | 
| 
  375  
 | 
Sat May 22 02:48:44 2021 | 
Cobus, Michele | Runs | Run 0062 | 2021 | 
open file : e127b_run0062.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: 02:41: 22-05-2021 
run stop: 02:48:21 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    30 Hz 
Xray_ON_bdt:  300 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      3.0e7          
ESR current at injection:  1.07e7     
ESR particles after decel.:   
Target ON density:          9.8e13 
 
Comment: Running with low intensity beam (factor of 4 below normal). 
         Operator working on problem. | 
| 
  374  
 | 
Sat May 22 01:53:23 2021 | 
Cobus, Michele | Runs | Run 0061 | 2021 | 
open file : e127b_run0061.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: 01:52:23 22-05-2021 
run stop: 02:36:18 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    70 Hz 
Xray_ON_bdt:  650 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      1.1e8          
ESR current at injection:  3.7e7     
ESR particles after decel.: 2.5e6  
Target ON density:          9.8e13 
 
Comment: Beam intensity dropped by factor of 4 near end of run.  
          | 
| 
  373  
 | 
Sat May 22 00:53:06 2021 | 
Cobus, Michele | Runs | Run 0060 | 2021 | 
open file : e127b_run0060.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: 00:52:17 22-05-2021 
run stop: 01:52:18 22-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_ON_bdt:    60-70 Hz 
Xray_ON_bdt:  520-650 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before:      1.2e8 - 1.0e8          
ESR current at injection:  3.0e7 - 4.0e7     
ESR particles after decel.: 2.5e6 - 3.5e6  
Target ON density:          9.8e13 | 
| 
  372  
 | 
Fri May 21 22:01:32 2021 | 
Cobus, Michele, Jan | Runs | Run 0059 | 2021 | 
open file : e127b_run0059.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: 23:51:28 21-05-2021 
run stop: 00:51:28 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:      6.5e7           
ESR current at injection:  2.3e7      
ESR particles after decel.:   3e6   
Target ON density:          9.8e13 | 
| 
  371  
 | 
Fri May 21 21:02:53 2021 | 
Jan | Runs | Run 0058 | 2021 | 
open file : e127b_run0058.lmd 
 
beam: 124Xe54+ 
energy: 7 MeV/u 
cooler voltage: 
 
purpose:  
Illumination of the detector to see if the gain settings are ok. 
Spectra look reasonable, rates are low. 
 
Detector position (Si): -25 mm 
GE01DD1IG position (Scraper): out/not used 
 
run start: 21:01:58 21-05-2021 
run stop:  22:00:05 21-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_bdt:     94 Hz 
Xray_35:    581 Hz 
Xray_90:    15 Hz 
Xray_145:   123 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before: 7.4e7           
ESR current at injection:  2.8e7      
ESR particles after decel.:   2.5e6   
Target ON density:              9.8e13 | 
| 
  370  
 | 
Fri May 21 20:09:00 2021 | 
Jan | Runs | Run 0057 | 2021 | 
open file : e127b_run0057.lmd 
 
beam: 124Xe54+ 
energy: 7 MeV/u 
cooler voltage: 
 
purpose:  
Illumination of the detector to see if the gain settings are ok. 
Spectra look reasonable, rates are low. 
 
Detector position (Si): -25 mm 
GE01DD1IG position (Scraper): out/not used 
 
run start: 20:08:08 21-05-2021 
run stop:  21:01:58 21-05-2021 
_______________________________________________________________________________ 
 
ON Rates 
Si_bdt:     73 Hz 
Xray_35:    584 Hz 
Xray_90:    20 Hz 
Xray_145:   130 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before: 9e7           
ESR current at injection:  2.5e7      
ESR particles after decel.:   4e6   
Target ON density:              9e13 | 
| 
  369  
 | 
Fri May 21 19:36:46 2021 | 
Jan | Runs | Run 0056 | 2021 | 
open file : e127b_run0056.lmd 
 
beam: 124Xe54+ 
energy: 7 MeV/u 
cooler voltage: 
 
purpose:  
Illumination of the detector to see if the gain settings are ok. 
Spectra look reasonable, rates are low. 
 
Detector position (Si): -25 mm 
GE01DD1IG position (Scraper): out/not used 
 
run start: 19:19:52 21-05-2021 
run stop:  20:08:08 21-05-2021 
 
_______________________________________________________________________________ 
 
ON Rates 
Si_bdt:     81 Hz 
Xray_35:    514 Hz 
Xray_90:    20 Hz 
Xray_145:   127 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  340 uA 
 
 
SIS particles before: 9e7           
ESR current at injection:  4e7      
ESR particles after decel.:   4e6   
Target ON density:              9e13 | 
| 
  366  
 | 
Fri May 21 15:15:59 2021 | 
Jan | Runs | Run 0055 | 2021 | 
open file : e127b_run0055.lmd 
 
beam: 124Xe54+ 
energy: 7 MeV/u 
cooler voltage: 
 
purpose:  
Illumination of the detector to see if the gain settings are ok. 
Spectra look reasonable, rates are low. 
 
Detector position (Si): -25 mm 
GE01DD1IG position (Scraper): out/not used 
 
run start: 15:14:48 21-05-2021 
run stop:  15:10:10 21-05-2021 
 
_______________________________________________________________________________ 
 
ON Rates 
Si_bdt:     21 Hz 
Xray_35:    143 Hz 
Xray_90:    7 Hz 
Xray_145:   63 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  350 uA 
 
 
SIS particles before:            
ESR current at injection:        
ESR particles after decel.:      
Target ON density:              10e13 | 
| 
  365  
 | 
Fri May 21 14:06:23 2021 | 
Jan | Runs | Run 0054 | 2021 | 
open file : e127b_run0054.lmd 
 
beam: 124Xe54+ 
energy: 7 MeV/u 
cooler voltage: 
 
purpose:  
Illumination of the detector to see if the gain settings are ok. 
Spectra look reasonable, rates are low. 
 
Detector position (Si): -25 mm 
GE01DD1IG position (Scraper): out/not used 
 
run start: 14:06:04 21-05-2021 
run stop:  15:14:48 21-05-2021 
 
_______________________________________________________________________________ 
 
ON Rates 
Si_bdt:     31 Hz 
Xray_35:    145 Hz 
Xray_90:    10 Hz 
Xray_145:   56 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  350 uA 
 
 
SIS particles before:            
ESR current at injection:       3e7 
ESR particles after decel.:     5e6 
Target ON density:              9e13 | 
| 
  364  
 | 
Fri May 21 12:21:57 2021 | 
Jan | Runs | Run 0053 | 2021 | 
open file : e127b_run0053.lmd 
 
beam: 124Xe54+ 
energy: 7 MeV/u 
cooler voltage: 
 
purpose:  
Illumination of the detector to see if the gain settings are ok. 
Spectra look reasonable, rates are low. 
 
Detector position (Si): -25 mm 
GE01DD1IG position (Scraper): out/not used 
 
run start: 12:21:34 21-05-2021 
run stop:  14:05:27 21-05-2021 
 
_______________________________________________________________________________ 
 
ON Rates 
Si_bdt:     15 Hz 
Xray_35:    20 Hz 
Xray_90:    200 Hz 
Xray_145:   70 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  360 uA 
 
 
SIS particles before:            
ESR current at injection:       3e7 
ESR particles after decel.:     5e6 
Target ON density:              9e13 | 
| 
  362  
 | 
Fri May 21 11:27:31 2021 | 
Sophia, Mario, Laszlo | Runs | Run 0052 | 2021 | 
open file : e127b_run0052.lmd 
 
beam: 124Xe54+ 
energy: 7 MeV/u 
cooler voltage: 
 
purpose:  
Illumination of the detector to see if the gain settings are ok. 
Spectra look reasonable, rates are low. 
 
Detector position (Si): -25 mm 
GE01DD1IG position (Scraper): out/not used 
 
run start: 11:23:58 21-05-2021 
run stop:  12:13:53 21-05-2021 
 
_______________________________________________________________________________ 
 
ON Rates 
Si_bdt:     15 Hz 
Xray_35:    20 Hz 
Xray_90:    200 Hz 
Xray_145:   70 Hz 
BaF_OR:     --- 
 
Si voltage:          100.0 V   
Si leakage current:  360 uA 
 
 
SIS particles before:            
ESR current at injection:       3e7 
ESR particles after decel.:     5e6 
Target ON density:              9e13 |