High resolution study of the electron impact spectrum of zinc vapour at kinetic energies 50-150 eV and in the angular range 0 degrees -11 degrees

Abstract

The generalized oscillator strength of the transition r1S to 41P in zinc has been measured at 150 eV incident electron kinetic energy and over an angular range 1.5 degrees to 11 degrees . These measurements have been placed on an absolute scale by normalizing to the optical oscillator strength. Absolute generalized oscillator strengths for other lines in the spectrum have been obtained by normalizing to the resonance line. The reduced matrix elements (41S//r2//51S) and (41S//r-2//61S) were found to be 6.1 au+or-+or-15% and 2.5 au+or-30% respectively), and the electric quadrupole transition probabilities AnO(41S to 41D) and AnO(41S to 51D) calculated to be 2287s-1+or-10% and 760 s-1+or-20% respectively.