【摘要】 <正> 在用Ge(Li)谱仪对正电子湮没多普勒加宽谱进行测定时,由于谱仪自身的分辨函数宽度与多普勒加宽谱线的木征宽度相比不能忽略,因此,为了得到加宽谱的本征分布,需要对实测谱进行去卷积处理。 若设仪器的能量分辨函数为R(x),待测的未知原函数为W(x),实测函数为F(x),则这三个函数之间应满足如下的积分方程:更多还原

【Abstract】 An unfolding method was applied to doppler broadened spectra in the positron annihilation. In this method the experimental data were used directly in the unfolding process without assuming any functional forms of the spectra. The advantage of this method rested on the decrement of certain errors. These errors may usually be introduced when the functional forms were assumed in some unfolding processes.更多还原