EVIDENCE FOR VERY NARROW SHAPE RESONANCES IN LOW-ENERGY ELECTRON-CS SCATTERING

被引:40
作者
THUMM, U
NORCROSS, DW
机构
[1] Joint Institute for Laboratory Astrophysics, University of Colorado, National Institute of Standards and Technology, Boulder
关键词
D O I
10.1103/PhysRevLett.67.3495
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A relativistic scattering calculation based on the Dirac R-matrix method has been performed within a two-electron model-potential approach for negative-ion binding energies as well as elastic and inelastic scattering cross sections. We find multiplets of narrow shape resonances with J = 0, 1, and 2, and widths of a few meV. Their J-averaged energies for even and odd parity are 119.0 meV below the 6p1/2 threshold and 9.1 meV above the 6s1/2 threshold.
引用
收藏
页码:3495 / 3498
页数:4
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