^(129)Xe^(30+)轰击Ni表面激发靶原子偶极跃迁和禁戒(M1和E2)跃迁的特征光谱线  

Atomic and ionic light emission spectra of dipole transition and forbidden transition induced by the impact of ^(126)Xe^(30+) on Ni solid surface

作　　者：张小安[1] 赵永涛[2] 李福利[1] 杨治虎[2] 肖国青[2] 詹文龙[2] 

机构地区：[1]西安交通大学应用物理系,西安710049 [2]中国科学院近代物理研究所,兰州730000

出　　处：《物理学报》2004年第10期3341-3346,共6页Acta Physica Sinica

基　　金：国家自然科学基金重点项目 (批准号 :10 13 40 10 );国家自然科学基金 (批准号 :10 2 740 5 8;10 2 740 88)资助的课题~~

摘　　要：报道了用高电荷态离子1 2 9Xe30 + (15 0keV)轰击金属Ni表面 ,激发的 2 0 0— 10 0 0nmNiⅠ和NiⅡ的特征光谱线的实验结果 .实验结果表明 :用电荷态足够高的离子作光谱激发源 ,无需很强的束流强度 (nA量级 ) ,便可有效地产生原子和离子的复杂组态间跃迁所形成的可见光波段的特征谱线 ,特别是NiⅠ和NiⅡ偶极禁戒的电四极跃迁E2和磁偶极跃迁M1的特征光谱线 .通过分析发现 ,在禁戒跃迁的谱线中 ,有些是电子组态相同而原子态不同的偶极禁戒跃迁光谱线而且NiⅡ的 6 84The measurement of light spectrum of NiⅠand NiⅡwith wavelengths from 200 to 1000nm emitted from the solid surface of Ni, which is excited by slow highly charged ions ()^(126)Xe^(30+), is reported. The result shows that the characteristic spectral lines from transitions between complex configurations of atoms and ions can be effectively excited by the impact of highly charged ions on a solid surface even though the ionic beam is very weak. The result shows especially that the characteristic spectral lines from forbidden transition (M1and E2) of NiⅠand NiⅡcan be effectively excited.

关 键 词：原子 偶极跃迁 特征光谱 光谱线 磁偶极 电荷态 电四极跃迁 激发 形成 特征谱线 

分 类 号：O562.31[理学—原子与分子物理]