Experimental photoionization cross-section measurements in the ground and metastable state threshold region of Se+

N. C. Sterling, D. A. Esteves, R. C. Bilodeau, A. L.D. Kilcoyne, E. C. Red, R. A. Phaneuf, A. Aguilar

Research output: Contribution to journalArticlepeer-review

Abstract

Absolute photoionization cross-section measurements are reported for Se+ in the photon energy range 18.0-31.0 eV, which spans the ionization thresholds of the 4S3/2 ground state and the low-lying 2P3/2,1/2 and 2D5/2,3/2 metastable states. The measurements were performed using the Advanced Light Source synchrotron radiation facility. Strong photoexcitation-autoionization resonances due to 4p → nd transitions are seen in the cross-section spectrum and identified with a quantum-defect analysis.

Original languageEnglish
Article number025701
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume44
Issue number2
DOIs
StatePublished - Jan 28 2011

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