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Nonstatistical behavior of the photoionization of spin-orbit doublets
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- Püttner, R. (author)
- Free Univ Berlin, Fachbereich Phys, Arnimallee 14, D-14195 Berlin, Germany.
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- Martins, J. B. (author)
- Sorbonne Univ, CNRS, Lab Chim Phys Matiere & Rayonnement, LCPMR, F-75005 Paris 05, France.
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- Marchenko, T. (author)
- Sorbonne Univ, CNRS, Lab Chim Phys Matiere & Rayonnement, LCPMR, F-75005 Paris 05, France.;Orme Merisiers, Synchrotron SOLEIL, F-91192 Gif Sur Yvette, France.
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- Deshmukh, P. C. (author)
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- Free Univ Berlin, Fachbereich Phys, Arnimallee 14, D-14195 Berlin, Germany Sorbonne Univ, CNRS, Lab Chim Phys Matiere & Rayonnement, LCPMR, F-75005 Paris 05, France. (creator_code:org_t)
- 2021-05-03
- 2021
- English.
- In: Journal of Physics B: Atomic, Molecular and Optical Physics. - : IOP Publishing. - 0953-4075 .- 1361-6455. ; 54:8
- Journal article (peer-reviewed)
Abstract
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- The photoionization branching ratios of spin-orbit doublets are studied both experimentally and theoretically at energies several keV above threshold. The results show significant relativistic effects for Ar 2p in the autoionizing region below the 1s threshold, and large many-body effects for Xe 3d and 4d in the vicinity of the L-shell thresholds. The branching ratios in Xe are also found to vary significantly over very broad multi-keV energy regions both above and below the inner-shell thresholds. In addition, the Ar 2p study confirms experimentally the decades-old theoretical prediction that the nonresonant branching ratio does not approach the statistical (nonrelativistic) value, and, in fact, progressively diverges from statistical with increasing photon energy. © 2021 The Author(s). Published by IOP Publishing Ltd.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
Keyword
- interchannel coupling
- photoionization
- relativistic effects
- High energy physics
- Autoionizing
- Branching ratio
- Energy regions
- Inner shell
- Many-body effect
- Nonrelativistic
- Photon energy
- photoionization
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Püttner, R.
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- Travnikova, O.
- Guillemin, R.
- Journel, L.
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- Ismail, I.
- Goldsztejn, G.
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- Céolin, D.
- Rocco, M. L. M.
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- Keating, D. A.
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- Deshmukh, P. C.
- Manson, S. T.
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