Efficiency calibration in ESR after experiment

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GEM1800 @ 90deg (xray1) 
GEM3000 @ 35deg (xray2)
GLP2000 @ 145deg (xray3)
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Detectors: 90 + 145 
Source @ 90deg: 210Pb
Source @ 145deg: 241Am_hi
Distance: each
Start time: 10:24:55 - 30.05.2021
Stop time:  11:19:29 - 30.05.2021

file name: e127b_run0212.lmd
avrg. rate: 250Hz
dead-time:  2%