HOME ESR EXPERIMENTS LABS etc
E121 E127 E132 E125 E143 laser_cooling_2021 E142 Ê128 E146 E0052 E0018 E0028
  proton-capture on 118Te, Page 10 of 29  Not logged in ELOG logo
Entry  Sat May 22 21:40:09 2021, Pierre-Michel & Enis, Runs, Run 0077, 2021 
open file : e127b_run0077.lmd

beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:

purpose:
Reference measurement with scraper

Detector position (Si): -19 mm
GE01DD1IG position (Scraper): +2.5 mm (20mm away from beam)

run start: 21:39:33 22-05-2021
run stop: 22:20:22 22-05-2021
_______________________________________________________________________________

ON Rates
Si_ON_bdt: 15 Hz
Xray_ON_bdt: 700 Hz
BaF_OR: ---

Si voltage: 100.0 V
Si leakage current: 340 uA


SIS particles before: 1.2e8
ESR current at injection: 4e7
ESR particles after decel.: 2.5e6
Target ON density: 1.0e14
Entry  Sat May 22 21:33:22 2021, Laszlo, Detectors, Xray detectors are filled at 90 and 35, 2021 
 
Entry  Sat May 22 20:47:39 2021, Pierre-Michel & Enis, Runs, Run 0076, 2021 
open file : e127b_run0076.lmd

beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:

purpose:
Reference measurement with scraper

Detector position (Si): -19 mm
GE01DD1IG position (Scraper): +2.5 mm (20mm away from beam)

run start: 1:: 22-05-2021
run stop: 21:21:38 22-05-2021
_______________________________________________________________________________

ON Rates
Si_ON_bdt: 15 Hz
Xray_ON_bdt: 700 Hz
BaF_OR: ---

Si voltage: 100.0 V
Si leakage current: 340 uA


SIS particles before: 1.3e8
ESR current at injection: 4.5e7
ESR particles after decel.: 2.5e6
Target ON density: 1.0e14
Entry  Sat May 22 20:46:19 2021, Laszlo, Pierre.Michel, Enis, General, new scraper position, 2021 
The scraper was moved into 2.5mm in absolute which corresponds to 20mm away from the beam axis.

Pressluft Antriebe

Position 1
GE01DD1IG (SC12) 2.5 mm

Position 2
GE01DD1IG (SC9) 2.5 mm
Entry  Sat May 22 19:32:28 2021, Pierre-Michel & Enis, Runs, Run 0075, 2021 
open file : e127b_run0075.lmd

beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:

purpose:
Reference measurement with scraper

Detector position (Si): -19 mm
GE01DD1IG position (Scraper): +12.5 mm

run start: 1:: 22-05-2021
run stop: 1:: 22-05-2021
_______________________________________________________________________________

ON Rates
Si_ON_bdt: 15 Hz
Xray_ON_bdt: 700 Hz
BaF_OR: ---

Si voltage: 100.0 V
Si leakage current: 340 uA


SIS particles before: 1.1e8
ESR current at injection: 2.5e7
ESR particles after decel.: 2.5e6
Target ON density: 1.0e14
Entry  Sat May 22 19:05:13 2021, Pierre-Michel & Enis, Runs, Run 0074, 2021 
Note: SIS lost HF, no beam since 19:21. Stopped run early

open file : e127b_run0074.lmd

beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:

purpose:
Reference measurement with scraper

Detector position (Si): -19 mm
GE01DD1IG position (Scraper): +12.5 mm

run start: 1:: 22-05-2021
run stop: 1:: 22-05-2021
_______________________________________________________________________________

ON Rates
Si_ON_bdt: 15 Hz
Xray_ON_bdt: 700 Hz
BaF_OR: ---

Si voltage: 100.0 V
Si leakage current: 340 uA


SIS particles before: 8e7
ESR current at injection: 3e7
ESR particles after decel.: 2e6
Target ON density: 1.0e14
Entry  Sat May 22 18:05:22 2021, Pierre-Michel & Enis, Runs, Run 0073, 2021 
open file : e127b_run0073.lmd

beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:

purpose:
Reference measurement with scraper

Detector position (Si): -19 mm
GE01DD1IG position (Scraper): +12.5 mm

run start: 1:: 22-05-2021
run stop: 1:: 22-05-2021
_______________________________________________________________________________

ON Rates
Si_ON_bdt: 10 Hz
Xray_ON_bdt: 600 Hz
BaF_OR: ---

Si voltage: 100.0 V
Si leakage current: 340 uA


SIS particles before: 9e7
ESR current at injection: 2e7
ESR particles after decel.: 2e6
Target ON density: 1.0e14
Entry  Sat May 22 17:15:26 2021, Laszlo, General, Scraper position, 2021 
We found the beam axis with the scraper to be -17.5 mm.
The Scraper position set to +12.5 mm, 30 mm relative from the beam.
Entry  Sat May 22 17:13:48 2021, Laszlo, Detectors, Si position changed, 2021 
Si was moved from -25 mm to -19 mm before run 0072.
Entry  Sat May 22 17:01:33 2021, Pierre-Michel & Enis, Runs, Run 0072, 2021 
open file : e127b_run0072.lmd

beam: 124Xe54+
energy: 7 MeV/u
cooler voltage:

purpose:
Reference measurement with scraper

Detector position (Si): -19 mm
GE01DD1IG position (Scraper): +12.5 mm

run start: 1:: 22-05-2021
run stop: 1:: 22-05-2021
_______________________________________________________________________________

ON Rates
Si_ON_bdt: 15 Hz
Xray_ON_bdt: 600 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
Entry  Sat May 22 16:29:07 2021, Laszlo et al., General, coolers are back, 2021 
we can measure again.

(please write a detailed description if needed)
Entry  Sat May 22 16:28:10 2021, Laszlo, General, DSSSD movement, 2021 
The DSSSD is moved back to its measurement position(-25mm).
Entry  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.
Entry  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.
Entry  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...
Entry  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
Entry  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.
Entry  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.
Entry  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
Entry  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
ELOG V3.1.5-fc6679b