Observation of magnetic octupole decay in atomic spectra

The low-energy region of the three-to-four transitions in near-nickel-like thorium and uranium has been investigated and the first observations made of magnetic octupole decay in an atomic system. Model calculations show that the transition is almost exclusively fed by radiative cascades from higher...

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Bibliographic Details
Published in:Physical review letters 1991-10, Vol.67 (17), p.2272-2275
Main Authors: BEIERSDORFER, P, OSTERHELD, A. L, SCOFIELD, J, WARGELIN, B, MARRS, R. E
Format: Article
Language:English
Subjects:
640302 - Atomic, Molecular & Chemical Physics- Atomic & Molecular Properties & Theory
ATOMIC AND MOLECULAR PHYSICS
Atomic properties and interactions with photons
Atomic spectra
ATOMS
CHARGE STATE
CHARGED PARTICLES
DATA
DECAY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
Exact sciences and technology
EXCITED STATES
EXPERIMENTAL DATA
FORBIDDEN TRANSITIONS
INFORMATION
IONS
MULTIPOLES
NUMERICAL DATA
OCTUPOLES
Physics
RESOLUTION
SPECTRA
THORIUM IONS
URANIUM IONS
X-RAY SPECTRA
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Summary:The low-energy region of the three-to-four transitions in near-nickel-like thorium and uranium has been investigated and the first observations made of magnetic octupole decay in an atomic system. Model calculations show that the transition is almost exclusively fed by radiative cascades from higher levels. (C.D.)
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.67.2272