Energy levels of channeled ions

Energy levels of channeled ions

Energy levels of ions moving along crystal channels are considered. The approach is via an effective Hamiltonian. The calculations are related to an experiment in which resonant coherent excitation of channeled ions was measured. The systems under consideration are 44.16-MeV N/sup 6 +/ and 38.28-MeV...

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Veröffentlicht in:Phys. Rev. B: Condens. Matter; (United States) 1986-06, Vol.33 (11), p.7488-7493
1. Verfasser: NESKOVIC, N
Format: Artikel
Sprache:eng
Schlagworte:
654001 - Radiation & Shielding Physics- Radiation Physics, Shielding Calculations & Experiments
ATOMIC MODELS
CHANNELING
CHARGED PARTICLES
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
CRYSTALS
Electron and ion emission by liquids and solids
impact phenomena
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
Exact sciences and technology
EXCITATION
GOLD
HAMILTONIANS
IMPACT PARAMETER
Impact phenomena (including electron spectra and sputtering)
ION CHANNELING
IONS
Materials science
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
METALS
Metals, semimetals and alloys
MEV RANGE
MEV RANGE 10-100
MONTE CARLO METHOD
NITROGEN IONS
NONMETALS
NUCLEAR PHYSICS AND RADIATION PHYSICS
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other electron-impact emission phenomena
Other interactions of matter with particles and radiation
OXYGEN
PERTURBATION THEORY
Physics
POTENTIALS
QUANTUM OPERATORS
Specific materials
THOMAS-FERMI MODEL
TRANSITION ELEMENTS
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Beschreibung
Zusammenfassung:Energy levels of ions moving along crystal channels are considered. The approach is via an effective Hamiltonian. The calculations are related to an experiment in which resonant coherent excitation of channeled ions was measured. The systems under consideration are 44.16-MeV N/sup 6 +/ and 38.28-MeV O/sup 7 +/ ions in the channel of an 850-A-thick Au crystal. The distributions of the transition energies were generated by the Monte Carlo method: All possible values of the impact parameter were taken into account. The obtained results are in very good agreement with the results of the experiment.
ISSN:0163-1829
1095-3795
DOI:10.1103/PhysRevB.33.7488