Potential energy curves, transition dipole moments, and radiative lifetimes of KBe molecule

Wan Ming-Jie^{1, †}, Jin Cheng-Guo¹, Yu You², Huang Duo-Hui^{1, 3}, Shao Ju-Xiang^{1, 3}

(color online) Transition dipole moments for the 2²Σ⁺–X²Σ⁺, 3²Σ⁺–X²Σ⁺, and 2⁴Π−1⁴Π transitions of KBe.