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Hyperfine Interactions

, Volume 74, Issue 1–4, pp 277–285 | Cite as

Laser spectroscopy with a cooler ring at the esr (GSI) and the TSR (MPI Heidelberg)

  • T. Kühl
  • S. Borneis
  • G. Greten
  • D. Marx
  • R. Neumann
  • S. Schröder
  • R. Grieser
  • I. Hoog
  • G. Huber
  • I. Klaft
  • R. Klein
  • P. Merz
  • V. Balykin
  • M. Bock
  • C. Ellert
  • P. Forck
  • M. Grieser
  • R. Grimm
  • D. Habs
  • H. J. Miesner
  • W. Petrich
  • B. Wanner
  • C. Becker
  • D. Schwalm
  • A. Wolf
Experimental Developments

Abstract

At the TSR cooler ring at Heidelberg, laser studies were carried out using singly charged lithium and beryllium ions. Laser spectroscopy of relativistic lithium ions (v=0.04c) yielded signals with a narrow linewidth, suitable for an experimental test of special relativity. A dramatic reduction of the beam temperature, as defined by the longitudinal velocity spread, was achieved via laser cooling in both cases. At the ion energies available at ESR it will become possible to prepare and store bare ions up to U92+. Electron cooling was succesfully demonstrated for hydrogen-like Bi82+ ions, where a laser experiment is scheduled to study the ground-state hyperfine splitting.

Keywords

Lithium Beryllium Special Relativity Longitudinal Velocity Laser Spectroscopy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© J.C. Baltzer AG, Scientific Publishing Company 1992

Authors and Affiliations

  • T. Kühl
    • 1
  • S. Borneis
    • 1
  • G. Greten
    • 1
  • D. Marx
    • 1
  • R. Neumann
    • 1
  • S. Schröder
    • 1
  • R. Grieser
    • 2
  • I. Hoog
    • 2
  • G. Huber
    • 2
  • I. Klaft
    • 2
  • R. Klein
    • 2
  • P. Merz
    • 2
  • V. Balykin
    • 4
  • M. Bock
    • 4
  • C. Ellert
    • 4
  • P. Forck
    • 4
  • M. Grieser
    • 4
  • R. Grimm
    • 4
  • D. Habs
    • 3
  • H. J. Miesner
    • 3
  • W. Petrich
    • 3
  • B. Wanner
    • 3
  • C. Becker
    • 4
  • D. Schwalm
    • 4
  • A. Wolf
    • 4
  1. 1.GSIDarmstadtGermany
  2. 2.Universität MainzMainzGermany
  3. 3.MPI für KernphysikHeidelbergGermany
  4. 4.Universität HeidelbergGermany

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