Electron-induced triple differential cross sections (TDCSs) have been obtained for the few outer sub-shells of tungsten atoms, namely W (6s), W (5d), W (5p) and W (4f). Tungsten and related materials have been recommended as the prime candidates for wall materials in fusion plasma devices. The electron-induced cross-section data are strongly required for the diagnostics and modeling of plasma in such devices. We observe that the trends of TDCSs obtained for the ionization of W (5d) sub-shells are very different from the TDCSs of W (6s), W (5p) and W (4f) in terms of binary and recoil peak locations as well as in the change of magnitude of TDCS with an increasing value of momentum transfer which is due to the open d-shell. The angle and energy-resolved cross-section data of tungsten atoms may be of vital importance in order to understand the spectroscopy of W atoms as wall materials as well as an impurity.

对于钨原子的少数外部子壳，即 W (6s)、W (5d)、W (5p) 和 W (4f)，已经获得了电子诱导三重微分截面 (TDCS)。钨和相关材料已被推荐为聚变等离子体装置中壁材料的主要候选材料。此类设备中等离子体的诊断和建模强烈需要电子诱导横截面数据。我们观察到从 W (5d) 子壳电离获得的 TDCS 的趋势与 W (6s)、W (5p) 和 W (4f) 的 TDCS 在二元和反冲峰值位置方面也有很大不同如 TDCS 的大小随着动量传递值的增加而变化，这是由于开放的 d-shell。