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基本説明
Reprinted from HYPERFINE INTERACTIONS, 146/147:1-4 December 2003. Subjects covered are: Recombination measurements at storage rings and theory, measurements of fundamental constants, spectra and lifetimes of highly charged ions, atomic lifetimes and spectra, and more.
Full Description
This volume contains the proceedings of the third Euroconference on Atomic Phys ics at Accelerators (APAC 2001), with the title Stored Particles and Fundamental Physics. It was held in Aarhus, Denmark, from September 8 to 13 at the Marselis Hotel located near the beach and the Marselis Woods outside Aarhus, but some of the activities took place at the Department of Physics, University of Aarhus. The conference was sponsored by the Commission of the European Union (Contract No. ERBFMMACT980469) and also by the Danish Research Foundation through ACAP (Aarhus Center for Atomic Physics). The meeting was focused on the application of storage rings for atomic physics, and there are two fairly small rings in Aarhus, ASTRID (Aarhus STorage Ring for Ions,Denmark) and ELISA (ELectrostatic Ion Storage ring, Aarhus). The research at these rings has contributed to the strong position of European Science in this field. Both rings are designed according to unique concepts. ASTRID is a dual purpose ring, which half the time stores electrons for the generation of low-energy synchrotron radiation. The storage of negative particles has also been a unique feature for the application of ASTRID as an ion storage ring.
Contents
1. Ion-electron recombination.- Recombination Measurements at Ion Storage Rings.- Enhancement of Low-Energy Electron Ion Recombination in a Magnetic Field.- Recombination Enhancement in Electron Coolers.- Enhancement of Dielectronic Recombination by External Electromagnetic Fields.- Radiative Electron Capture into the K- and L-Shell of H-, He-, and Li-Like Uranium Ions at Relativistic Energies.- Polarization of the Lyman-?1 Line Following the Radiative Recombination of Bare, High-Z Ions.- Dielectronic Recombination of Very Heavy Lithiumlike Ions.- 2. Fundamental constants, interactions and symmetries.- Measurement of the g Factor of the Bound Electron in Hydrogen-like Oxygen 16O7+.- Mass of the Electron from the Electronic g Factor in Hydrogenlike Carbon — the Influence of Other Fundamental Parameters.- Towards a Measurement of the n = 2 Lamb Shift in Hydrogen-like Nitrogen Using an Electron Beam Ion Trap.- Vacuum- Polarization Corrections to Parity-Nonconserving Effects in Atomic Systems.- Toward a New Test of the Relativistic Time Dilation Factor by Laser Spectroscopy of Fast Ions in a Storage Ring.- The Weak Interaction Studied with Trapped Ions and Atoms.- The Legnaro Francium Magneto-Optical Trap.- WITCH: A Penning Trap Retardation Spectrometer Combination for Precision Studies of the Weak Interaction.- 3. Spectra and lifetimes of highly charged ions.- Structure and Dynamics of High-Z Ions Studied at the ESR Storage Ring.- Fast-Beam Laser Spectroscopy of Helium-like Silicon.- Physics with Highly-Charged Ions in an EBIT.- Systematic Calculations of Total Atomic Binding Energies.- Relativistic Transition Energies and Radiative Transition Rates for Forbidden Transitions in the Is2 2s2 2p4 Atomic Configuration for 20 ? Z ? 30.- Correlation and RelativisticEffects on Landé gJ Factors of Atomic Ions.- Magnetic Sublevel Population Studied for H- and He-like Uranium in Relativistic Ion-Atom Collisions.- Lifetime Measurement of the Metastable 23P0 State in Helium-like 197Au.- Nuclear and Electron Polarization Contributions to the HFS of Hydrogen- and Lithium-like Ions.- 4. Atomic lifetimes and spectra.- Studies of Lifetimes in an Ion Storage Ring Using Laser Technique.- Strong Relaxation and Correlation Effects on the 2p53s-2p6 Spectrum of Neutral Neon.- 5. Ionization, fragmentation and electron capture.- Threshold Laws for Four-Particle Fragmentation: Mass Effects.- Subshell Resolved Measurements of Single Electron Capture in Slow Ne7+-Helium Collisions.- 6. Cooling of beams in traps and storage rings.- Vertical Blow-up in a Low-Current, Stored, Laser-Cooled Ion Beam.- Laser- Cooled Ions and Atoms in a Storage Ring.- Electron Cooling of Positrons in LEPTA.- Stability of Crystalline Ion Beams.- Observations of Ordered Beams in CRYRING.- Cold Electrons from Cryogenic GaAs Photocathodes: Energetic and Angular Distributions.- Study of Cooling and Storage Properties of a Gas-Filled Linear Paul Trap Coupled to a Time-of-Flight Mass Spectrometer for Mass Measurements of Exotic Nuclei.- 7. New developments in charged particle traps and storage rings.- New Magnetic Storage Rings.- Research with Trapped keV Ion Beams.- First Results of Ion Trapping in the Dresden EBIT II.- SHIPTRAP is Trapping: A Capture and Storage Device on Its Way towards a RIB- Facility.- Design Studies of an Electrostatic Storage Ring.- First Tests of a Linear Radiofrequency Quadrupole for the Cooling and Bunching of Radioactive Light Ions.- 8. Investigations relevant for Astrophysics.- Molecular Physics in Storage Rings: From Laboratory to Space.-Astrophysically Motivated, Forbidden-Line Lifetime Measurements on Iron Ions (Fe9+-Fe12+) Using a Heavy-Ion Storage Ring.- 9. Clusters, biomolecules, aerosols and nanoparticles.- Laser Investigations of Stored Metal Cluster Ions.- Studies of Clusters and Biomolecules ín ELIS A.- Molecular Ions and Nanoparticles in RF and AC Traps.- Carbon Cluster Ions For a Study of the Accuracy of ISOLTRAP.- 10. Atomic physics with antiparticles.- Atomic Spectroscopy and Collisions Using Slow Antiprotons — the ASACUSA Experiment at CERN-AD.- Practical Uses of Antiprotons.- Energy Levels of Hydrogenlike Kaonic Atoms.- High-Precision Calculation of the Fine and Hyperfine Structure Splittings of Antiprotonic Helium-3,4 Atoms.- Time-Dependent Coupled-Channel Calculations of the Annihilation Rate in Positron-Hydrogen Collisions.- Measurement of the Strong Interaction Shift and Width of the Ground State of Pionic Hydrogen.- Author Index.
