RESPONSE OF TAPS TO MONOCHROMATIC PHOTONS WITH ENERGIES BETWEEN 45 AND 790 MEV
RESPONSE OF TAPS TO MONOCHROMATIC PHOTONS WITH ENERGIES BETWEEN 45 AND 790 MEV
复制标题
DOI：
10.1016/0168-9002(94)90701-3
复制
发表时间：
1994-07-15
影响因子：
1.4
通讯作者：
ANTON, G
中科院分区：
文献类型：
--
作者：
GABLER, AR;DORING, W;ANTON, G
双臂光子光谱仪 TAPS（由 384 个塑料 BaF2 闪烁体望远镜组成）使用 45 至 790 MeV 能量范围内的单色光子进行了测试。击中中央探测器模块的准直光子束的能量分辨率确定为 sigma/E = 0.59% X E(gamma)-1/2 + 1.9%（E，以 GeV 为单位给出）。对于单独的快速闪烁分量，已测量到 sigma/E = 0.79% X E(gamma)-1/2 + 1.8%。在最高能量下，撞击点的位置分辨率为 DELTAx = 2 cm (FWHM)，相当于单个模块直径的 30%。使用代码 GEANT3 进行的蒙特卡罗模拟与实验结果非常吻合。
The Two Arm Photon Spectrometer TAPS - comprising 384 plastic-BaF2 scintillator telescopes - was tested with monochromatic photons in the energy range between 45 and 790 MeV. The energy resolution for a collimated photon beam hitting the central detector module was determined to sigma/E = 0.59% X E(gamma)-1/2 + 1.9% (E, given in GeV). For the the fast scintillation component alone sigma/E = 0.79% X E(gamma)-1/2 + 1.8% has been measured. The position resolution of the point of impact amounts to DELTAx = 2 cm (FWHM) at the highest energies which corresponds to 30% of the diameter of an individual module. Monte Carlo simulations using the code GEANT3 are in good agreement with the experimental results.