Cf252 2017

runs

05/16/17

Two 4 in. by 4 in. scintillators, both placed 5 in from the Cf252 source, with one directly above and the other directly below the source. An OR between these two scinilators serves as the TDC start. The two TDC start scintilators are connected to the CFD with a HV of -1700 V and a threshold of 172 mV.