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ID Date Author Categorydown Subject Year Text Attachments
  262   Mon Mar 23 21:47:40 2020 LaszloCalibrationrun114 - Xray145 calib Ba133, distance 305mm - LESS NOISE Detector: 145
Source: 133Ba - strong source
Distance: 305mm
  
  263   Mon Mar 23 22:25:41 2020 LaszloCalibrationrun115 - Xray35 Ba133 d=334mm, Xray90 Lead source, d=167.5mm Simultaneous measurement of Xray35 and Xray90.
The dead-time is <3%
  
  264   Tue Mar 24 00:11:35 2020 LaszloCalibrationrun116 - Xray35 calib AM241, distance 334mm Detector: 35
Source: 241Am
Distance: 334mm
  
  265   Tue Mar 24 10:20:26 2020 LaszloCalibrationPictures of the xray calibration    IMG_20200324_101357.jpgIMG_20200324_101303.jpgIMG_20200324_101334.jpgIMG_20200324_100725.jpg 
  266   Tue Mar 24 10:59:18 2020 JanCalibrationSources - Specifications We used the following sources:

[B]Am241[/B] (OM666) [GSI - Uwe]
 Pb-210-1.pdf241Am_Uwe.pdf133Ba_low.pdf133Ba_hi.pdf 
  267   Wed Mar 25 14:26:22 2020 LaszloCalibrationrun111 - Xray90 calib Am241, distance 167.5mm - LESS NOISE Detector: 90
Source: 241Am
Distance: 167.5mm
  
  269   Thu Mar 26 12:05:22 2020 LaszloCalibrationmeasurement of collimators The measurements were taken by using a caliper
ruler, with precision of +/-0.05mm
 SP54120032612091.pdfSP54120032612090.pdf 
  270   Sun Apr 5 20:34:42 2020 LaszloCalibrationXray energies - 1. calibration 30angle:  E[keV] = 0.0158507 *ch-2.07456
90angle:  E[keV] = 0.01950*ch-2.76
145angle: E[keV] = 0.017988  *ch-1.809
 8x 
  271   Mon Apr 6 04:39:19 2020 LaszloCalibration2. Xray energy calibration 30angle:  E[keV] = 0.015898 *ch-1.91
90angle:  E[keV] = 0.0211075*ch-2.39
145angle: E[keV] = 0.01663  *ch-1.758
 9x 
  272   Mon Apr 6 23:00:51 2020 LaszloCalibrationbeam energies for 124Xe and 118Te measurements "The e- cooler settings were the same for
the 124Xe and 118Te beams" - Sergey --> speed
of the ions is the same --> same MeV/u
 SP54120040623030.pdf 
  273   Wed Apr 8 20:06:10 2020 LaszloCalibrationCounts in the K-REC peaks 3 datasets were investigated:
-124Xe with Scraper    (2. Xray calibration
parameters needed)
 124Xe_wScraper_full_spectra_labels_thick.png124Xe_wScraper_90_backgnd.pngKREC-pics.zip 
  277   Thu Apr 23 19:09:58 2020 LaszloCalibrationtheoretical K-REC cross sections  Find attached Andrey Surzhykov's calculations
for the theta angle in respect to the beam
direction (in lab. frame) vs. cross section
 9x 
  278   Wed Apr 29 16:06:28 2020 LaszloCalibrationefficiency fit - 90degree, combined dataset For the efficiency vs E fit of the 90degree
Xray detector I have used the following phenomenological
funciton:
 efficiency_90degree-1an2datasets_phen_lin.pngefficiency_90degree-1an2datasets_phen_lin_bigRange.png 
  279   Thu Apr 30 17:40:57 2020 LaszloCalibrationefficiency fits For all 3 detector the calibration data sets
were combined to include the systematics
in the fit results directly. Combining means
 90degree_efficiency.zip145degree_efficiency.zip35degree_efficiency.zip 
  280   Thu Apr 30 22:55:45 2020 LaszloCalibrationinverse square law test I have made also the inverse square law fits.
We have data only for 90degre with the 241Am
source, but both for the 1. and 2. calibrations.
 inverse_square_law.zip 
  281   Wed May 6 23:02:42 2020 LaszloCalibrationefficiency values I have calculated the efficiency values by
putting the energies of the K-REC peaks into
the phenomenological (empirical) function
 90degree_efficiency_combined.png90degree_efficiency_combined.ps 
  286   Tue Nov 24 15:35:49 2020 JanCalibrationDSSD X/Y channel mapping2021During the detector test [URL=https://elog.gsi.de/esr/E127/284]test
measurements[/URL] with alpha source the
allocation of the 16 X- and 16 Y-channels
  
  293   Thu Apr 29 20:32:52 2021 Jan GloriusCalibrationcalibration sources2021We use the following list of sources for calibration
of the Xray detectors:
  
  294   Thu Apr 29 20:34:09 2021 Jan GloriusCalibrationrun0003 - Xray90 calib Pb210 d=167.5mm2021Efficiency calibration in the lab

Detector: GEM1800 - 90 deg
  
  295   Fri Apr 30 09:27:27 2021 Jan GloriusCalibrationrun0004 - Xray90 calib Pb210 d=167.5mm 2021Efficiency calibration in the lab

Detector: GEM1800 - 90 deg
  
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