Abstract
The Monte-Carlo simulated response for γ-ray detection of the FAst TIMing Array (FATIMA) for exploitation within the DEcay SPECtroscopy (DESPEC) experimental system at the FAIR Phase-0 facility at Darmstadt, Germany is presented. In this configuration, FATIMA consisted of 36 LaBr3(Ce) detectors surrounding the AIDA, position-sensitive charged-particle active stopper. The decay of the Ιπ=8+ isomer-fed decay cascade in 96Pd, measured in the first DESPEC experiment at the FAIR-0 facility was used to validate the simulations. The experimental data yielded in-situ full-energy peak efficiency values for FATIMA of 11.2(11)%, 6.8(7)%, 3.8(4)% and 2.1(4)% at 106, 325, 684 and 1415 keV respectively, consistent with the values derived from the simulated response.
| Original language | English |
|---|---|
| Article number | 168597 |
| Number of pages | 7 |
| Journal | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 1056 |
| Early online date | 14 Sept 2023 |
| DOIs | |
| Publication status | Published - 30 Nov 2023 |
Keywords
- nuclear spectroscopy
- gamma and charged particle detectors
- Monte Carlo simulations
- nuclear instrumentation
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