The GRIFFIN Data Acquisition System
A.B. Garnsworthy, C.J. Pearson, D. Bishop, B. Shaw, J.K. Smith, M., Bowry, V. Bildstein, G. Hackman, P.E. Garrett, Y. Linn, J.-P. Martin, W.J., Mills, C.E. Svensson
TL;DR
The GRIFFIN data acquisition system is a custom digital setup enabling high-precision radioactive decay measurements with high counting rates and excellent spectral quality at the TRIUMF-ISAC laboratory.
Contribution
This paper introduces a novel digital data acquisition system specifically designed for the GRIFFIN facility, enhancing measurement precision and data collection efficiency.
Findings
Achieved measurement uncertainty below 0.05% for half-life and branching ratio studies.
Successfully collected signals at counting rates up to 50kHz with maintained energy resolution.
Demonstrated effective spectral quality and detection efficiency.
Abstract
Gamma-Ray Infrastructure For Fundamental Investigations of Nuclei, GRIFFIN, is a new experimental facility for radioactive decay studies at the TRIUMF-ISAC laboratory. This article describes the details of the custom designed GRIFFIN digital data acquisition system. The features of the system that will enable high-precision half-life and branching ratio measurements with levels of uncertainty better than 0.05% are described. The system has demonstrated the ability to effectively collect signals from High-purity germanium crystals at counting rates up to 50kHz while maintaining good energy resolution, detection efficiency and spectral quality.
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