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1. Introduction

Elastic photon scattering from neutral ground state atoms has been studied extensively [1], while scattering from excited states has received little attention. Yet near-resonant Rayleigh scattering has been observed experimentally from excited atoms in plasmas [2,3]. Here we study the unpolarized cross section for scattering from excited state configurations of carbon atoms and ions for energies above and below the K edge, but above the L edge. Configurations considered involve varying numbers of K and L electrons, with any remaining electrons being placed in an outer (N) shell, and include hollow atom states, where one or more inner shells are completely vacated.



Eoin Carney
1999-06-14