Electron-impact single ionizaiton for W
4+
and W
5+
Zhang Denghong
1, †
, Xie Luyou
1
, Jiang Jun
1
, Wu Zhongwen
1
, Dong Chenzhong
1
, Shi Yinglong
2
, Qu Yizhi
3
(color online) Our calculated (a) DI and (b) EA cross sections for ground state W
5+
.