1932

Abstract

This article provides an overview of some recent advances in the modeling of photoelectron angular distributions in negative-ion photodetachment. Building on the past developments in threshold photodetachment spectroscopy that first tackled the scaling of the partial cross sections with energy, depending on the angular momentum quantum number ℓ, it examines the corresponding formulation of the central potential model and extends it to the more general case of hybrid molecular orbitals. Several conceptual approaches to understanding photoelectron angular distributions are discussed. In one approach, the angular distributions are examined based on the contributions of the symmetry-allowed and partial waves of the photodetached electron. In another related approach, the parent molecular orbitals are described based on their dominant and characters, whereas the continuum electron is described in terms of interference of the corresponding Δℓ =±1 photodetachment channels.

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2014-04-01
2024-04-13
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