Collisional quenching of N2(A3∑ +u; v= 0, 1) by N atoms, ground state N2 and a pyrex surface

Abstract

The rate constants for the collisional quenching of lumped v= 0 and v= 1 states of N₂(A³∑⁺_u) by ground state N atoms and by N₂ molecules, and the probability of deactivation on at Pyrex surface have been measured in a virtually static system at 300 K and at a pressure between 1 and 6 Torr using gas titration, mass spectrometry, isothermal calorimetry and photoionization. The values of the three constants found were respectively (3.5 ± 1.7)× 10^–11 cm³ atom^–1 s^–1, (4.5 ± 1.2)× 10^–17 cm³ molecule^–1 s^–1 and (1.8 ± 1.2)× 10^–5.