Study of excited fragment emission from the electron impact dissociation of volatile mercury(II) halides

Abstract

Emission resulting, from collisions of 5–200 eV electrons with gaseous H gX 2, and CH 3H gX (X = Cl, Br. I) was characterized in the 3800–5600 A region. HgX BX emission dominates and absolute cross section as a function of electron energy were determined. The formation of electronically excited Hg atoms, and the trend of the cross sections with the nature of the halogen atom are discussed in terms of a simple charge transfer model.