Production of Copper L X Rays in Heavy-Ion—Atom Collisions
Production of Copper L X Rays in Heavy-Ion—Atom Collisions
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DOI：
10.1103/physreva.8.2322
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发表时间：
1973-11
影响因子：
2.9
通讯作者：
T. Kavanagh;R. C. Der;R. Fortner;M. E. Cunningham
中科院分区：
文献类型：
--
作者：
T. Kavanagh;R. C. Der;R. Fortner;M. E. Cunningham
讨论了热-离子-原子碰撞中铜 X 射线的产生。给出了厚靶 X 射线产量和 X 射线产生的横截面，铜同时充当靶和射弹。碰撞能量在 40 keV 至 1.1 MeV 范围内，并使用了多种碰撞伙伴。给出了几个碰撞系统使用布拉格光谱仪获得的 X 射线光谱。这些数据显示出强烈的能级匹配效应，可以通过分子轨道的电子促进来解释，正如巴拉特和利希滕对不对称碰撞所讨论的那样。讨论了这些碰撞中产生的多空位态的荧光产率，并注意到了几种固体靶效应。 （授权）
Copper x-ray production in heat-ion-atom collisions is discussed. Thick- target x-ray yields and cross sections for x-ray production are presented, for copper in the role of both target and projectile. Collsion energies were in the range 40 keV to 1.1 MeV and a wide range of collision partners was used. X-ray spectra obtained with a Bragg spectrometer are presented for several of the collision systems. The data, which show strong --level-matching-- effects, are interprcted in terms of electron promotion via molecular orbitals, as discussed for asymmetric collisions by Barat and Lichten. Fluorescence yields for the multivacancy states produced in these collisions are disccused, and several solid- target effects are noted. (auth)