Selection rules for electric multipole transition of triatomic molecule in scattering experiments

Tian Hong-Chun^{1, 2}, Xu Long-Quan^{1, 2}, Zhu Lin-Fan^{1, 2, †}

(color online) The electron energy loss spectrum of H₂O measured by Chan et al.^[14] at an incident electron energy of 3000 eV and a scattering angles of 0°.