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DOE OSTI · 3009561

Upgrade of the CAESium-iodide scintillator ARray (CAESAR) electronics and data acquisition system for optimized performance at FRIB

Abstract

Here, we report on the upgrade of the electronics and data acquisition (DAQ) of the high-efficiency CAESium-iodide scintillator ARray (CAESAR) at the Facility for Rare Isotope Beams (FRIB). With the on-going capability ramp-up of FRIB, CAESAR is expected to continue to be an in-demand -ray spectrometer owing to its high detection efficiency, compactness, and modularity, enabling easy integration with additional detection and DAQ systems. Within this context, the CAESAR electronics and DAQ were upgraded to remove obsolete modules, enhance the ease of integration with external instruments, and optimize the DAQ live time. We present the comprehensive results from offline (γ-ray sources) and online (in-beam experiment) commissioning, characterizing the performance of CAESAR’s new electronics and DAQ.

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BibTeXRIS

Gillespie, S. A. [Michigan State Univ., East Lansing, MI (United States)] (ORCID:000000019268518X), Weisshaar, D. [Michigan State Univ., East Lansing, MI (United States)] (ORCID:0000000291903971), Gade, A. [Michigan State Univ., East Lansing, MI (United States)] (ORCID:0000000188250976). 2026-04-01. Upgrade of the CAESium-iodide scintillator ARray (CAESAR) electronics and data acquisition system for optimized performance at FRIB. https://doi.org/10.1016/j.nima.2025.171217

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