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在JLab的A大厅上的小角度GDH实验中,采用了Fumili拟合方法对位于高分辨谱仪上的量能器进行刻度.因为实验过程中硬件条件的变化以及大量的运动学数据的存在,对该实验数据分批进行了刻度.刻度结果表明,此刻度修正是合适的.在散射电子动量为1GeV的时候,量能器对该粒子的分辨率为0.06GeV.
In a small-angle GDH experiment on hall A of JLab, a Fumili fitting method was used to scale the quanta located on the high resolution spectrometer. Due to the changes of hardware conditions and the large amount of kinematic data during the experiment, the experimental data was calibrated in batches. Scale results show that this scale correction is appropriate. At a scattering electron momentum of 1 GeV, the resolution of the particle was 0.06 GeV.