AIDA
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BRIKEN
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StellarModelling
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K40
BRIKEN
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Mon Mar 31 13:09:00 2025
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> Adjustment of HV and PA gain > > We adjust the HV for each tube type and the gain of the preamplifier (PA) in order > to have a similar signal amplitude for the 764keV peak in all of them. > Because of the very different gain between tubes we are not able to combine in the same > PA tubes from RIKEN and UPC, thus we have to go for 10 PA instead of 9: > > Settings: Preamp (type), Tube type, HV, Gain, height or 764keV pulse, pulse polarity > PA1 (D), RIKEN, 1450V, LowGain, ~400mV, POS > PA2 (D), RIKEN, 1450V, LowGain, ~400mV, POS > PA3 (D), UPC, 1550V, HighGain, ~400mV, POS > PA4 (D), UPC, 1550V, HighGain, ~400mV, POS > PA5 (U), UPC, 1550V, HighGain, ~600mV, NEG > PA6 (U), ORNL1, 1200V, LowGain, ~400mV, NEG > PA7 (U), ORNL2, 1750V, LowGain, ~400mV, NEG > PA8 (U), ORNL2, 1750V, LowGain, ~400mV, NEG > PA9 (U), ORNL2, 1750V, LowGain, ~400mV, NEG > PA10 (U), ORNL2, 1750V, LowGain, ~400mV, NEG > > We need to use two different pulse generators to adjust differently the pulse height > of UPC tubes
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