Electron correlation during photoionization and relaxation of potassium and argon after K-shell photoexcitation

Journal Article · Tue Feb 01 00:00:00 EST 2005 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.71.022702· OSTI ID:20650082

Hertlein, Marcus P; Adaniya, Hidehito; Cole, Kyra; Feinberg, Benedict; Maddi, Jason; Prior, Michael H; Schriel, Ralf; Belkacem, Ali ^[1]

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1. Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States)

We have measured the charge-state distributions of argon and potassium after ionization by photons with energies near the K-shell ionization threshold. Despite the similarity in core electron configurations, the two atoms show remarkable differences in the resulting distribution of ion charge states. The valence electron in potassium is rarely a spectator during core relaxation, and its presence enhances the loss of electrons excited into Rydberg levels or strongly reduces the recapture of slow photoelectrons during postcollision interaction.

• OSTI ID: 20650082
• Journal Information: Physical Review. A, Vol. 71, Issue 2; Other Information: DOI: 10.1103/PhysRevA.71.022702; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ATOMS
CHARGE STATES
DISTRIBUTION
ELECTRON CORRELATION
ELECTRONS
INNER-SHELL IONIZATION
IONS
K SHELL
PHOTOELECTRON SPECTROSCOPY
PHOTOIONIZATION
PHOTONS
POTASSIUM
RELAXATION
RYDBERG STATES
VALENCE