Energy-transfer Quantum Dynamics of HeH${}^{+}$ with He atoms: Rotationally Inelastic Cross Sections and Rate Coefficients

Franco Gianturco, Kousik Giri, Lola Gonzalez-Sanchez +3

Two different ab initio potential energy surfaces are employed to investigate the efficiency of the rotational excitation channels for the polar molecular ion HeH${}^{+}$ interacting w…