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Orientation of doubly excited states in N-2

Date

2012

Authors

Machacek, Joshua
Furst, J. E.
Gay, T. J.
Kilkoyne, David
McLaughlin, K. W.

Journal Title

Journal ISSN

Volume Title

Publisher

American Physical Society

Abstract

We have measured the total fluorescent intensity and circular polarization of light emitted in 3p4Po→3s4P transitions of excited neutral nitrogen atoms created by the photofragmentation of the N2 molecule with circularly polarized light having energies between 21 and 26 eV. The intensity measurements show the effect of predissociation of the N2 Rydberg series R(C) 1Σ+u states by non-Rydberg doubly excited resonances (NRDERs), while nonzero values of circular polarization allow us to unambiguously identify the presence of a directly excited NRDER with 1Πu symmetry in this energy range.

Description

Keywords

Keywords: Circularly polarized light; Doubly excited state; Energy ranges; Fluorescent intensity; Intensity measurements; Neutral nitrogen; Nonzero values; Photofragmentation; Pre-dissociation; Rydberg series; Rydberg states; Circular polarization

Citation

URI

http://hdl.handle.net/1885/152829

Collections

ANU Research Publications

Source

Physical Review A: Atomic, Molecular and Optical Physics

Type

Journal article

Book Title

Entity type

Access Statement

Open Access

License Rights

DOI

10.1103/PhysRevA.86.041401

Restricted until

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