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Electron and photon responses of CWO scintillation crystal
Radiation Physics and Chemistry ( IF 2.8 ) Pub Date : 2021-08-18 , DOI: 10.1016/j.radphyschem.2021.109749
T. Jomkaew 1, 2 , W. Chaiphaksa 1, 2 , K. Siengsanoh 1, 2 , P. Limkitjaroenporn 1, 2 , C. Kedkaew 3 , H.J. Kim 4 , S. Kothan 5 , A. Prasatkhetragarn 6 , J. Kaewkhao 1, 2
Affiliation  

The electron response and photon response of cadmium tungstate crystal (CWO) scintillation crystal have been investigated. For the photon response measurement, the 133Ba, 22Na, 137Cs and 60Co were used as radioactive sources in the energy range of 356–1332 keV. For the electron response measurement, the 137Cs source with gamma energy at 662 keV was used for the measurement of the coincidence electron energy spectra at seven scattering angles from 30° to 120°. The seven consistent electron energies were found in the range of 101.27–443.27 keV. The light yield results for both techniques showed a slight increase when gamma energy increased. Besides, for the energy resolutions and electron energy resolutions, the graph showed the relationship between the electron energy resolution and the inverse of the square root of the electron energy.



中文翻译:

CWO闪烁晶体的电子和光子响应

研究了钨酸镉晶体(CWO)闪烁晶体的电子响应和光子响应。对于光子响应测量,133 Ba、22 Na、137 Cs 和60 Co 被用作能量范围为 356-1332 keV 的放射源。对于电子响应测量,137具有 662 keV 伽马能量的 Cs 源用于测量从 30° 到 120° 的七个散射角处的重合电子能谱。在 101.27-443.27 keV 范围内发现了七个一致的电子能量。当伽马能量增加时,两种技术的光输出结果都显示出轻微的增加。此外,对于能量分辨率和电子能量分辨率,该图显示了电子能量分辨率与电子能量平方根的倒数之间的关系。

更新日期:2021-08-24
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