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  Recent developments in the theory of electron emission

Lohmann, B., Srivastava, R., Kleiman, U., & Blum, K. (2002). Recent developments in the theory of electron emission. In D. Madison, & M. Schulz (Eds.), Correlations, Polarization,mand Ionization in Atomic Systems (pp. 229-237). Melville, New York: American Institute of Physics.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-166D-2 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0006-A086-D
Genre: Konferenzbeitrag

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 Urheber:
Lohmann, Bernd1, Autor           
Srivastava, R., Autor
Kleiman, Ulrich, Autor
Blum, K., Autor
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              

Inhalt

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Schlagwörter: -
 Zusammenfassung: We present our results for resonant Auger emission after deep inner shell electron impact excitation. A full ab initio relativistic distorted wave approximation is applied where intermediate coupling between the different configuration state functions of the resonantly excited states and exchange interaction with the continuum has been taken into account. While several investigations have been published on electron impact excitation of the outer electronic shells, for a subsequent Auger emission, we present, to our knowledge for the first time, data on alignment and orientation for deep inner shell excitation. Opposite to the case of photoexcitation, the calculation of alignment and orientation is no longer purely analytic but is a complicated function of the electron impact energy. As example we consider the angular distribution and spin polarization of the resonantly excited Ar*(2p4s1/2) L3M2,3M2,3 Auger spectrum after electron impact excitation. Within a two-step model we are able to determine all dynamic parameters for the primary excitation process, i.e. alignment and orientation, as well as angular distribution and spin polarization parameters describing the Auger decay dynamics. At present, no experimental alignment or orientation data are available. We hope that our calculation may stimulate related experiments.

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Sprache(n): eng - English
 Datum: 2002
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 8358
DOI: 10.1063/1.1449342
 Art des Abschluß: -

Veranstaltung

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Titel: International Symposium on (e,2e) Double Photoionization and Related Topics
Veranstaltungsort: Rolla, Missouri, USA
Start-/Enddatum: 2001-07-25 - 2001-07-28

Entscheidung

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Projektinformation

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Quelle 1

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Titel: Correlations, Polarization,mand Ionization in Atomic Systems
Genre der Quelle: Konferenzband
 Urheber:
Madison, D.H., Herausgeber
Schulz, M., Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: Melville, New York : American Institute of Physics
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 229 - 237 Identifikator: -

Quelle 2

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Titel: AIP Conference Proceedings
Genre der Quelle: Reihe
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 604 Artikelnummer: - Start- / Endseite: - Identifikator: -