Collisional deexcitation of the excited rare gas atoms in resonant states: The Watanabe-Katsuura theory revisited

摘要

The cross sections for the collisional deexcitation of neon atoms in the lowest excited ~1P_1 state by Ar, Kr, Xe, N_2, O_2, CO, NO, and CH_4, and in the lowest excited ~3P_1 state by O_2 and CH_4 have been measured at a mean collisional energy corresponding to room temperature. Data are also included for collisions of argon atoms in the lowest excited ~1P_1 and ~3P_1 states by C_2H_4, cyclo-C_3H_6, and C_3H_8, and collisions of krypton atoms in the lowest excited ~1P_1 and ~3P_1 states by C_2H_4 and cyclo-C_3H_6. The measured cross sections, together with those obtained in our previous studies, are compared with the cross sections calculated using the Watanabe-Katsuura theory. An extension of the Watanabe-Katsuura theory to the deexcitation of excited rare gas atoms in collisions with molecular quenchers, not atoms, is examined.