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描述了一种双维位置灵敏CsI(Tl)探测器 .用 3组分α源测量该探测器得到的位置分辨为0 .81mm(FWHM) ,对于 6 9MeV/u36 Ar能量分辨为 0 .9% (FWHM) .在RIBLL的ΔE E粒子鉴别望远镜中常常作为E探测器 .由于CsI(Tl)晶体对不同的粒子的能损 -光输出的非线性 ,需要针对不同离子对CsI探测器作能量 光输出校正曲线 .
A two-dimensional position-sensitive CsI (Tl) detector is described in which the position resolution of the detector measured with a 3-component α source is 0 .81 mm (FWHM) and the energy resolution of 6.9 eV / u36 Ar is 0.9% (FWHM), which is often used as an E-detector in the ΔE E particle discrimination telescope at RIBLL.Due to the energy loss of different particles by CsI (Tl) crystals, the nonlinearity of the light output requires that the CsI detector be operated at different energies Output calibration curve.