Document Type

Article

Publication Date

10-23-2017

Publication Title

Journal of Physics B: Atomic, Molecular and Optical Physics

Volume

50

Abstract

A unique detector which is selectively sensitive to low energy metastable atoms, has been used to study the production of ground state N (2P) atoms following collisions of low energy (0-200 eV) electrons with molecular nitrogen. TOF techniques have revealed the existence of at least two distinct mechanisms yielding this dissociation product. Released kinetic energies in the dissociation have allowed positioning of the parent molecular states in the Franck-Condon region. This has allowed probable parent states, such as B' 3Σu¯, b' 1Σu+ and C' 3Πu, to be identified making use of recent theoretical calculations. Both direct and predissociation processes are shown to be involved.

DOI

10.1088/1361-6455/aa8caa

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Physics Commons

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