Electric charge estimation using a SensL SiPM

TL;DR

This paper introduces a simple method to estimate electric charge from a SensL SiPM's fast output signal, enabling better data utilization in radiation detection systems, with demonstrated linearity and comparative sensitivity analysis.

Contribution

It presents a novel approach to reconstruct electric charge from SiPM fast output signals, enhancing data acquisition capabilities in radiation detectors.

Findings

Linear relation between reconstructed charges from fast and standard outputs.

Effective charge estimation method demonstrated with plastic scintillators.

Sensitivity comparison of scintillators under various radiation sources.

Abstract

The silicon photo-multipliers (SiPMs) are commonly used in the construction of radiation detectors such as those used in high energy experiments and its applications, where an excellent time resolution is required for triggering. In most of this cases, the trigger systems electric charge information is discarded due to limitations in data acquisition. In this work we propose a method using a simple radiation detector based on an organic plastic scintillator $2\times2\times0.3$~cm$^3$ size, to estimate the electric charge obtained from the acquisition of the fast output signal of a SensL SiPM model C-60035-4P-EVB. Our results suggest a linear relation between the reconstructed electric charge from the fast output of the SiPM used with respect to the one reconstructed with its standard signal output. Using our electric charge reconstruction method, we compared the sensitivity of two plastic scintillators, BC404 and BC422Q, under the presence of Sr90, Cs137, Co60, and Na22 radiation sources.