TL;DR
This paper introduces the OSCAR detector array at Oslo Cyclotron Laboratory, detailing its design, simulation of response functions up to 20 MeV, and validation against experimental data for gamma-ray spectroscopy.
Contribution
The paper presents the design, simulation, and experimental validation of the OSCAR scintillator array for gamma-ray detection at high energies.
Findings
Response functions simulated with Geant4 match experimental data.
Detector resolution and efficiencies characterized and validated.
Good agreement between simulations and measurements.
Abstract
The new Oslo Scintillator Array (OSCAR) has been commissioned at the Oslo Cyclotron Laboratory (OCL). It consists of 30 large volume (diameter 3.5 x 8 inches) LaBr(Ce) detectors that are used for -ray spectroscopy. The response functions for incident -rays up to 20 MeV are simulated with . In addition, the resolution, and the total and full-energy peak efficiencies are extracted. The results are in very good agreement with measurements from calibration sources and experimentally obtained mono-energetic in-beam -ray spectra.
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