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X. GAO1, Y. J. HE1,* , Y. B. CHEN1
A phoswich composed of single crystals CsI:Na and LaBr3:Ce was designed and constructed to improve the low energy response of LaBr3:Ce. The Monte-Carlo program MCNP5 was used to simulate the radiation energy deposition in the two scintillators of phoswich to determine the size. It is found that a phoswich composed of Φ20×2 mm CsI:Na and Φ20×20 mm LaBr3:Ce can optimize the energy resolution of 22.1 keV X-rays, 9% superior compared with LaBr3:Ce, while the energy resolution of 662 keV γ-ray slighly deteriorates compared with LaBr3:Ce..
Phoswich, CsI:Na, LaBr3:Ce, MCNP, Energy resolution.
X. GAO, Y. J. HE, Y. B. CHEN, A phoswich composed of CsI:Na and LaBr3:Ce To improve the low energy response of LaBr3:Ce, Optoelectronics and Advanced Materials - Rapid Communications, 5, 4, April 2011, pp.344-347 (2011).
Submitted at: March 27, 2011
Accepted at: April 11, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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