Purpose The performance of a scintillation detector based on an MAPD-type SiPM and LaBr_(3)(Ce)for detecting gamma rays over a wide energy range is investigated.Methods This paper proposes the use of an MAPD-type SiPM...Purpose The performance of a scintillation detector based on an MAPD-type SiPM and LaBr_(3)(Ce)for detecting gamma rays over a wide energy range is investigated.Methods This paper proposes the use of an MAPD-type SiPM with a pixel pitch of 15μm,a total pixel number of 1,063,877 pixels and a PDE of 30% for the preparation of scintillation detectors operating in a wide energy range.The scintillation detectors prepared with this method can theoretically detect gamma rays with an energy of 25 MeV.Results The performance of a LaBr_(3)(Ce)-based scintillation detector with a 16-element MAPD array was characterized for gamma-ray spectroscopy in the 0.1-7 MeV range.The detector exhibited excellent linearity and high energy resolution,successfully resolving the 1.173 MeV,1.332 MeV,and 1.460 MeV gamma lines with resolutions of 3.45%,3.11%,and 1.99%,respectively.It also identified multiple gamma-ray peaks from thermal neutron capture reactions induced by an AmBe source,detecting emissions from hydrogen,sodium,chlorine,and carbon.Despite challenges related to scintillator size and low gamma-ray intensity,the detector effectively provided spectral information on various elements.Conclusion The study demonstrates the potential of the LaBr_(3)(Ce)-MAPD scintillation detector for high-resolution gamma-ray spectroscopy over a broad energy range.The detector's excellent linearity,high light output,and ability to resolve multiple gamma-ray peaks make it a promising candidate for applications in industry,space exploration,and security.Future improvements,such as increasing the LaBr_(3)(Ce)scintillator size and investigating higher-density scintillators like BGO and LSO,could further enhance its performance,enabling even more precise and efficient gamma-ray detection.展开更多
基金supported by the Azerbaijan Science Foundation-Grant №AEF-MGC-2024-2(50)-16/04/1-M-04received funding from the European Union’s Horizon 2021 Research and Innovation Programme under the Marie Sklodowska-Curie’s INNMEDSCAN project(grant agreement ID 101086178).
文摘Purpose The performance of a scintillation detector based on an MAPD-type SiPM and LaBr_(3)(Ce)for detecting gamma rays over a wide energy range is investigated.Methods This paper proposes the use of an MAPD-type SiPM with a pixel pitch of 15μm,a total pixel number of 1,063,877 pixels and a PDE of 30% for the preparation of scintillation detectors operating in a wide energy range.The scintillation detectors prepared with this method can theoretically detect gamma rays with an energy of 25 MeV.Results The performance of a LaBr_(3)(Ce)-based scintillation detector with a 16-element MAPD array was characterized for gamma-ray spectroscopy in the 0.1-7 MeV range.The detector exhibited excellent linearity and high energy resolution,successfully resolving the 1.173 MeV,1.332 MeV,and 1.460 MeV gamma lines with resolutions of 3.45%,3.11%,and 1.99%,respectively.It also identified multiple gamma-ray peaks from thermal neutron capture reactions induced by an AmBe source,detecting emissions from hydrogen,sodium,chlorine,and carbon.Despite challenges related to scintillator size and low gamma-ray intensity,the detector effectively provided spectral information on various elements.Conclusion The study demonstrates the potential of the LaBr_(3)(Ce)-MAPD scintillation detector for high-resolution gamma-ray spectroscopy over a broad energy range.The detector's excellent linearity,high light output,and ability to resolve multiple gamma-ray peaks make it a promising candidate for applications in industry,space exploration,and security.Future improvements,such as increasing the LaBr_(3)(Ce)scintillator size and investigating higher-density scintillators like BGO and LSO,could further enhance its performance,enabling even more precise and efficient gamma-ray detection.
