Branching ratio and angular distribution of ejected electrons from Eu 4f<sup>7</sup>6p<sub>1/2</sub><italic>n</italic>d auto-ionizing states

Branching ratio and angular distribution of ejected electrons from Eu 4f⁷6p_1/2nd auto-ionizing states

Wu Xiao-Rui^{1, 2}, Shen Li^{1, 2}, Zhang Kai^{1, 2}, Dai Chang-Jian^{1, 2, †,}, Yang Yu-Na^{1, 2}

Auto-ionization spectra of 4f⁷6p_1/2nd (n = 8, 9) auto-ionizing states: (a) the spectrum of 4f⁷6p_1/28d state in the energy region of 65800–66600 cm⁻¹, and (b) the spectrum of 4f⁷6p_1/29d state in the energy region of 66000–67000 cm⁻¹.