Excitation into 5p57p levels from the ground level and the J=2 metastable level of Xe

R. O. Jung, John B. Boffard, L. W. Anderson, and Chun C. Lin
Phys. Rev. A 80, 062708 – Published 7 December 2009

Abstract

We present experimental cross-section measurements for electron-impact excitation from the ground level and from the Xe(5p56s)J=2 metastable level into levels of the Xe(5p57p) manifold using the optical method. The magnitudes of cross sections for excitation out of the ground-state range from (65365)×1020cm2. Cross sections out of the ground level are also investigated for pressures ranging from 0.1–1.0 mTorr, and show moderate dependence (particularly at high energies) on pressure due to cascades from resonant levels. Cross sections for excitation out of the metastable level have peak magnitudes that are on average more than an order of magnitude larger than their ground-state counterparts. Furthermore, cross sections out of the metastable levels into the Xe(5p57p) levels as a function of energy display a surprising variety of shapes which are discussed in relation to oscillator strengths. Together, the ground state and metastable cross sections measured in this work are expected to be useful for optical diagnostics of plasmas containing xenon.

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  • Received 15 September 2009

DOI:https://doi.org/10.1103/PhysRevA.80.062708

©2009 American Physical Society

Authors & Affiliations

R. O. Jung, John B. Boffard, L. W. Anderson, and Chun C. Lin

  • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA

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Vol. 80, Iss. 6 — December 2009

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