HOME ESR EXPERIMENTS LABS etc
E121 E127 E132 E125 E143 laser_cooling_2021 E142 Ê128 E146 E0052 E0018 E0028 E0038 E0075
  dN=0 experiment, Page 2 of 2  Not logged in ELOG logo
Entry  Mon Apr 5 16:07:36 2021, Robert, Runs, He-like run 
run started thursday 21/04/01 20:00,
ended monday 21/04/05 15:20, 
time span of 91.5 h,
we collected 4870 images with a esr cycle of ~62s, 
thats ~84 h of accumulation,
20 s gas jet on time, so we integrated 27,1 h of gas jet on

particle density was 2.25*10^12 particles /cm² at the beginning and increased continuously to 3.1*10^12 particles/cm²

ion beam intensity was between 4-5*10^7 stored, cooled particles per injection
Entry  Tue Apr 6 14:27:59 2021, Martino, Runs, electron cooler voltages 
Parameter 	U90+ @ 30.160 MeV/u 	U91+ @ 41.035 MeV/u     U89+ @ 39.293 MeV/u 	
gamme 	        1.0324 	                1.04407                 1.0422 
Ue 	        16556 V 	        22520 V                 21564 V
delta U 	105 V 	                105 V                   105 V
USC (model) 	45 V 	                39 V                    40 V
Ie 	        100 mA 	                100 mA 	                100 mA
HV-Supply BG1E 	16706 V 	        22664 V                 21709 V
HV-divider 	16599 V 	        22553 V                 21598 V 


All data from the voltage divider will be collected and stored.
To be done: evaluation of the uncertainties, offset and linearity.
Entry  Tue Apr 6 14:47:26 2021, Robert, Analysis, stability of the spectrometers during He and Be run stability.jpg
the large spike in the outer spectrometer is attributed to an open door of experimentierhalle, which we closed at ~17:00 at 21/04/05.
It might be necessary to exclude some of the data between 210405 17:00 and 22:00 since we had a shift of one pixel between these two calibrations
Entry  Tue Apr 6 14:59:19 2021, Robert, Runs, second Be-like run 
run started 210405 17:50
run ended 210407 11:30
no of files: 1452
ion beam intensity: ~3-4*10^7 decellerated, stored ions in the beginning, only ~2*10^7 after the big break
Entry  Wed Apr 7 11:51:54 2021, Robert, Runs, stability of ion beam current during Be-like run ioncurrent_Be_run.png
 
Entry  Wed Apr 7 11:52:52 2021, Robert, Analysis, spectrum He-like He-like.jpg
 
Entry  Wed Apr 7 11:53:33 2021, Robert, Analysis, spectrum Li-like Li-like.jpg
 
Entry  Wed Apr 7 11:59:01 2021, Robert, Analysis, spectrum Be-like Be-like.jpg
 
ELOG V3.1.5-fc6679b