Measurement of the isotope shift and hyperfine structure splitting Xe II by collinear fast-ion-beam laser spectroscopy
Thesis/Dissertation
·
OSTI ID:5264895
The isotope shifts and hyperfine structure splittings of nine stable xenon isotopes in the mass range from 124 to 136 were measured using the electronic transition 5d/sup 4/D/sub 7/2-6p/sup 4/P/sub 5/2/sup 0/ in the Xe II spectrum. The method of collinear fast-ion--beam laser spectroscopy was utilized to achieve Doppler-free resolution and a high sensitivity. An ion-beam apparatus consisting of an Einzel lens, a switch magnet, and two electrostatic quadrupole triplets was designed to transport the ions from an on-line ion source through the TRISTAN isotope separator to the interaction region where, at resonance, the fluorescence signal was observed. A line-shape analysis, based on an asymmetrical exponential function, was developed to interpret the recorded data. Changes in the mean square charge radii delta(r/sup 2/)/sup AA'/ for the chain of stable xenon isotopes were extracted from the measured isotope shifts. The hyperfine-structure constants A and B, the nuclear magnetic dipole moment ..mu../sub l/, and the electric quadrupole moment Q were evaluated from the splittings. The effect of the nuclear deformation below the magic number 82 is discussed in the two-parameter liquid drop model and the three-parameter droplet model. A comparison of the delta(r/sup 2/)/sup AA'/ of Xe with those of the neighboring elements of Cs and Ba is made
- Research Organization:
- Texas A and M Univ., College Station (USA)
- OSTI ID:
- 5264895
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
651720 -- Nuclear Properties & Reactions
A=90-149
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
DEFORMATION
ELEMENTS
FLUIDS
GASES
HYPERFINE STRUCTURE
ION SPECTROSCOPY
ISOTOPE SEPARATION
ISOTOPES
LASER SPECTROSCOPY
LIQUID DROP MODEL
MATHEMATICAL MODELS
NONMETALS
NUCLEAR DEFORMATION
NUCLEAR MODELS
RARE GASES
SEPARATION PROCESSES
SPECTRAL SHIFT
SPECTROSCOPY
XENON
XENON ISOTOPES
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
651720 -- Nuclear Properties & Reactions
A=90-149
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
DEFORMATION
ELEMENTS
FLUIDS
GASES
HYPERFINE STRUCTURE
ION SPECTROSCOPY
ISOTOPE SEPARATION
ISOTOPES
LASER SPECTROSCOPY
LIQUID DROP MODEL
MATHEMATICAL MODELS
NONMETALS
NUCLEAR DEFORMATION
NUCLEAR MODELS
RARE GASES
SEPARATION PROCESSES
SPECTRAL SHIFT
SPECTROSCOPY
XENON
XENON ISOTOPES