论文标题
详细研究了在大规模实验中使用EJ-299-33A塑料闪烁体进行快速中子光谱的可能性
Detailed investigation on the possibility of using EJ-299-33A plastic scintillator for fast neutron spectroscopy in large scale experiments
论文作者
论文摘要
在大型检测器（5英寸$ \ times $ 5英寸）的情况下，已经对具有脉冲形状区分（PSD）属性的新近可用塑料闪烁体（EJ-299-33A）进行了详细表征。在中子能量E $ _n $ = 3、6和9 MEV的情况下，已经报道了闪烁体对几乎单能中子的脉冲高度响应。将检测器的重要特性（FOM图（FOM），时间分辨率，检测效率）与相同大小相同与同一PMT的常用液体有机闪烁体检测器进行了比较。结果表明，塑料闪烁体检测器的时间分辨率更高12美元。但是，发现FOM和检测效率分别低于40-50 $ \％$和$ \ sim $ 25 $ \％$的FOM和检测效率。已经指出，在大规模核物理实验中使用新的塑料闪烁体的可能性已被指出。
Detailed characterization of the newly available plastic scintillator (EJ-299-33A) having the pulse shape discrimination (PSD) property has been carried out in case of a large-sized detector (5 in.$\times$5 in.). The pulse height response of the scintillator for nearly mono-energetic neutrons has been reported in case of neutron energies E$_n$ =3, 6 and 9 MeV. Important properties (figure-of-merit (FOM), time resolution, detection efficiency) of the detector has been compared with a commonly used liquid organic scintillator based detector of the same size coupled to the same PMT for uniformity in comparison. The results show that the plastic scintillator detector has about 12$\%$ better time resolution. However, the FOM and detection efficiency were found to be lower than that of the liquid scintillator detector by 40 - 50$\%$ and $\sim $25$\%$, respectively. The possibility of using the new plastic scintillator in large-scale nuclear physics experiments has been pointed out.
