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We have performed the first experimental campaign using large-volume LaBr 3 :Ce and CeBr 3 detectors from several of the Extreme Light Infrastructure-Nuclear physics (ELI-NP) instrumental setups together with detectors and infrastructure from the ROSPHERE array at the 9 MV Tandem facility at the Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH). The performance of the detectors and the digital data acquisition system is shown to give a good energy resolution at high energies, and an excellent time resolution. We, furthermore, present the possibilities to integrate the detector system and the digital electronics with various ancillary detectors for, for example, charged particles. [ABSTRACT FROM AUTHOR]

We report on the development of custom Front-End Electronics (FEE) dedicated to large area SiPM arrays for γ -ray spectroscopy applications in high counting rate conditions. Two types of commercially available 8 × 8 arrays of 6 × 6 mm 2 Silicon Photomultipliers (SiPM) and a quasi-circular array of 30 SiPM cells were coupled to dedicated Front End Electronics (FEE) boards and tested in combination with LaBr 3 (Ce) crystals. Energy resolution measurements were taken with standard calibration radioactive sources (60Co, 152Eu and 56Co) while the timing response was studied in comparison with industry standard photomultiplier tubes. The energy resolution measured in this setup was down to 3.09(9)% at 661 keV, while the best timing resolution measured was 222.3(22) ps. Finally, the design of a SiPM based γ -ray detector, dedicated to fast-timing applications, is presented. [ABSTRACT FROM AUTHOR]