Evaluation of the spectroscopic performance of the integrated multi-channel charge-sensitive preamplifier of TRACE with a silicon detector prototype

In this work the experimental results are presented showing the spectroscopic performance of the ASIC multichannel charge-sensitive preamplifier of TRACE (TRacking Array for light Charged particle Ejectiles). The results were obtained connecting a silicon pad detector to a custom-designed preamplifier board with eight ASIC CSPs. The detector and the board were put in a vacuum chamber with a triple Am-Cm-Pu alpha source. The output signals were digitized with four FPGA-powered 100 MHz 14-bit resolution digitizer cards. The energy resolution obtained is around 22 keV at 5486 keV. The results are very encouraging and pave the way for future developments.