Resonant Auger decay in the L2,3-MM spectrum of Ar excited by electron bombardment

doi:10.1016/S0368-2048(97)00097-2

Journal of Electron Spectroscopy and Related Phenomena

Volume 87, Issue 3, February 1998, Pages 203-210

https://doi.org/10.1016/S0368-2048(97)00097-2 Get rights and content

Abstract

The L_2,3-MM Auger spectrum of argon was measured using electron beam excitation. A weak structure on the high energy side of the main transitions was identified as corresponding to the resonant Auger transitions by comparing these spectral structures with individual resonant Auger spectra excited by monochromatic synchrotron radiation.

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Cited by (8)

Experimental (e,2e) study of resonant Auger states of Ar
2012, Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Citation Excerpt :
This effort was partly successful; we observed – among others – a weak signal on the tail of the nonresonant 1D transition which was ascribed to resonant Auger decay of [2p3/2]4s and 4p atomic states. Later on, another experimental work on the subject was published [2] that confirmed our results. The separation was possible due to a small energy shift of resonant lines with respect to the normal Auger lines.
We present a short review of our (e,2e) measurements of electrons emitted after 2p inner-shell excitation of argon. The LMM Auger electrons are measured in coincidence with the scattered electrons, producing the considered excited state. Particularly the 2p_3/2→4s_3/2 and the dipole forbidden 2p_3/2→4p_3/2 excitations are studied. The strongest resonant Auger transitions from [2p_3/2]4s and 4p states are reliably identified in the spectra. A considerable contribution of the direct process, leading to the same final state is measured separately. The removal of this contribution – as a background – was found problematic because of a quantum mechanical interference between the direct and indirect processes.
High resolution carbon and oxygen K-LL Auger spectra of carbon dioxide
1999, Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
The proton excited carbon and oxygen K–LL Auger spectra of carbon dioxide were measured using the high-resolution, angular resolving ESA-21 electron spectrometer. The proton impact energy was 1.0 MeV. The transition energies of both K–LL Auger-spectra (oxygen and carbon) are determined and compared with the existing theoretical and earlier experimental data. The experimental line widths full width at half maximum (FWHM) and relative intensities of the Auger lines are determined. The Auger emission was found to be isotropic within the experimental accuracy.
The Auger spectra in argon induced by electron impact – new measurements with high resolution
2020, European Physical Journal D
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2017, European Physical Journal D
Inner-shell excitations of 2p electrons of argon investigated by fast electron impact with high resolution
2011, Chinese Physics Letters
Resonant Auger decay of Ar 2p3/2-14s and 2p3/2-14p states excited by electron impact
2010, Physical Review A - Atomic, Molecular, and Optical Physics

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Resonant Auger decay in the L2,3-MM spectrum of Ar excited by electron bombardment

Abstract

J. Phys.

Z. Physik

Physica Scripta

J. Chem. Phys.

Phys. Rev. Lett.

Phys. Rev. Lett.

Phys. Rev.

J. Phys. B: At. Mol. Opt. Phys.

Resonant Auger decay in the L_2,3-MM spectrum of Ar excited by electron bombardment