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在入射电子能量为2500eV，散射角为4°—15°的条件下测量了氦、氖、氩的相对弹性散射微分截面，并采用非弹性散射的广义振子强度为标准进行刻度，得到了2500eV能量下的绝对弹性散射微分截面值.所得结果与前人的理论和实验结果作了比较.The relative elastic differential cross-sections(EDCSs) of 2500eV electrons scattered by helium,neon and argon atoms were measured at a scattering angle range of 4°—15°.The absolute values of these EDCSs were obtained by normalizing the relative values to the known generalized oscillator strengths.The final results were compared with previous experimental and theoretical results.
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