惰性气体原子对2500 eV电子的绝对弹性散射微分截面  

THE ABSOLUTE ELASTIC DIFFERENTIAL CROSS SECTIONS OF 2500eV ELECTRONS SCATTERED BY RARE GAS ATOMS

作　　者：凤任飞[1] 武淑兰[1] 暨青 朱林繁[1] 刘小井[1] 徐克尊[1] 

机构地区：[1]中国科学技术大学近代物理系

出　　处：《物理学报》1998年第8期1272-1277,共6页Acta Physica Sinica

基　　金：国家自然科学基金;高等学校博士学科点专项科研基金;中国科学技术大学青年基金

摘　　要：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．Abstract 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.

关 键 词：散射微分截面 惰性气体 原子 电子弹性散射 

分 类 号：O562.5[理学—原子与分子物理]