The Effective Cross Section for the Production of the C triplet Pi(u) State of N2 when Bombarded by Low Energy Electrons

摘要

The paper describes a system and its calibration for measuring the effective cross section for the production of the C triplet Pi(u) state of N2 in the lowest vibrational level under bombardment by electrons in the 150 eV to 1.2 KeV energy range and the measurements which were made. With a gas pressure of about 0.03 torr, the effective cross section of the second positive system of N2 under bombardment by 150 eV electrons was found. The value is believed to be very near the peak value of the cross section. (Author Modified Abstract)