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  1. No Access

    Article

    Potential and limitations of nucleon transfer experiments with radioactive beams at REX-ISOLDE

    As a tool for studying the structure of nuclei far off stability the technique of γ-ray spectroscopy after low-energy single-nucleon transfer reactions with radioactive nuclear beams in inverse kinematics was ...

    C. Gund, H. Bauer, J. Cub, A. Dietrich… in The European Physical Journal A - Hadrons … (2001)

  2. No Access

    Article

    The REX-ISOLDE project

    The Radioactive Beam Experiment REX-ISOLDE [1–3] is a pilot experiment at ISOLDE (CERN) testing the new concept of post acceleration of radioactive ion beams by using charge breeding of the ions in a high char...

    D. Habs, O. Kester, T. Sieber, H. Bongers, S. Emhofer, P. Reiter… in Hyperfine Interactions (2000)

  3. No Access

    Article

    In-beam γ-spectroscopy with relativistic radioactive ion beams

    This work demonstrates the feasibility of in-beam γ-spectroscopy employing radioactive ion beam species at relativistic energies of E = 210 ∼ 280 A· MeV. Neutron-rich nuclei below 48Ca with neutron number betwee...

    S. Wan, J. Gerl, J. Cub, J.M. Holeczek… in The European Physical Journal A - Hadrons … (1999)

  4. No Access

    Article

    Transient magnetic field and electric field gradient of fast H-like 52Cr ions traversing Gd targets

    The first 2+-state of 52Cr was used to measure the transient magnetic field and the transient electric field gradient in Gd at ion velocities close to the 1s-electron Bohr velocity employing Coulomb excitation to...

    U. Grabowy, K.-H. Speidel, J. Cub, H. Busch… in Zeitschrift für Physik A Hadrons and nuclei (1997)

  5. No Access

    Article

    γ-Spectroscopy of light neutron-rich nuclei after secondary reactions at relativistic energies

    After the fragmentation reaction of 50Ti on 9Be at 330 MeV/u, more than 30 neutron-rich isotopes from B to Ca were selected by the fragment separator FRS at GSI. Peripheral collisions with a secondary Pb target a...

    S. Wan, P. Reiter, J. Cub, H. Emling… in Zeitschrift für Physik A Hadrons and nuclei (1997)

  6. No Access

    Article

    Transient field measurements on56Fe- and80Se-ions using segmented Fe-layers

    Measurements of transient magnetic fields (TF) were performed on swift heavy ions of56Fe and80Se, with Coulomb excitation of their first 2+ state as probe, traversing thin Fe layers with segmented and unsegmented...

    H. Busch, G. Jakob, K. -H. Speidel, J. Cub… in Zeitschrift für Physik A Hadrons and Nuclei (1996)

  7. No Access

    Article

    On the ion beam stop** power dependence of transient magnetic fields in Fe- and Gd-hosts

    Ion-beam induced attenuations of transient magnetic fields have been further studied in measurements on high-velocity24Mg- and28Si-ions as well as low-velocity48Ti-ions using energetic beams of Ti- and Br-ions. F...

    G. Jakob, J. Cub, K-H Speidel, S. Kremeyer… in Zeitschrift für Physik D Atoms, Molecules … (1994)

  8. No Access

    Article

    Hyperfine interaction studies on swift O-ions emerging with polarized electrons from ferromagnetic layers into vacuum

    A precision plunger set-up was used to determine in time-differential measurements of hyperfine interactions the degree of polarization of 1s- and 2s-electrons in H- and Li-like oxygen ions on their emergence ...

    S. Kremeyer, K. -H. Speidel, O. Jessensky… in Zeitschrift für Physik A Hadrons and Nuclei (1994)

  9. No Access

    Article

    Transient field measurements on32S(21 +) ions in Gd at the 1s electron Bohr velocity

    With the knowng-factor of the Coulomb excited first 2+-state in32S the transient magnetic field was determined for sulphur ions traversing Gd at a mean velocity of 16ν 0 (ν 0=c/137). The degree of polarization de...

    J. Cub, M. Bussas, K. -H. Speidel, W. Karle… in Zeitschrift für Physik A Hadrons and Nuclei (1993)

  10. No Access

    Article

    Quantum beat measurements on spin-polarized electrons in oxygen ions emerging from magnetized Ni- andGd-layers

    Employing the time-differential perturbed γ-angular correlation technique it is shown that 1s- and2s-electrons of highly stripped16O(3−)-ions have their spin polarized on emergence from magnetized thin Ni- andGd-...

    S. Kremeyer, K. -H. Speidel, H. Busch, U. Grabowy, U. Knopp… in Hyperfine Interactions (1993)

  11. No Access

    Article

    New determination of the magnetic moment of the54Fe(2 1 + ) state at 1.408 MeV

    Relative to the wellknowng-factor of56Fe(2 1 + ) at 0.847 MeV, theg-factor of the54Fe(2 1 + ) state at 1.408...

    K. H. Speidel, J. Cub, U. Reuter-Knopp… in Zeitschrift für Physik A Hadrons and Nuclei (1992)

  12. No Access

    Article

    In-beam magnetization measurements of thin Fe foils and simultaneous observation of the transient magnetic field at Pd ions

    The well established phenomenon of heavy ion beam induced attenuations of transient magnetic fields (TF) was studied by measuring the in-beam magnetization of bombarded Fe foils employing the magneto-optical K...

    K. -H. Speidel, J. Cub, W. Karle, F. Passek… in Zeitschrift für Physik A Hadrons and Nuclei (1991)

  13. No Access

    Article

    Large electron polarization of H-like20Ne-ions traversing gd foils at very high velocities

    It is shown that transient magnetic fields in Gd-host for20Ne ions at a mean velocity of 12.5v0(v0=c/137), considerably beyond the Bohr velocity of 1s electrons of Ne ions (v1s=10v0), are dominated by the Fermi c...

    K. -H. Speidel, J. Cub, U. Reuter, F. Passek… in Zeitschrift für Physik A Hadrons and Nuclei (1991)

  14. No Access

    Article

    Evidence for electron orbital dependence of ion-beam induced attenuations of transient magnetic fields

    From measurements of transient magnetic fields (TF) on56Fe(2 1 + ) ions in Gd host there is evidence that beam induced attenuations of TF not only depend on the...

    K. -H. Speidel, U. Reuter, J. Cub, W. Karle… in Zeitschrift für Physik D Atoms, Molecules … (1991)

  15. No Access

    Article

    Large dynamic perturbations of transient magnetic fields induced by heavy ion beams

    Measurements of transient magnetic fields in Fe for Coulomb-excited24Mg(2↓)-ions at high velocity confirm strong attenuations as observed earller for single-electron28Si ions. In a measurement in which the beam w...

    K. -H. Speidel, M. Knopp, W. Karle, J. Cub, P. N. Tandon… in Hyperfine Interactions (1990)

  16. No Access

    Article

    Measurements of transient magnetic fields on single-electron Ni-ions

    Measurements were performed to determine the transient magnetic field assoclated with polarized is electrons of highly-stripped Ni ions traversing a ferromagnetic Fe layer. Partiele γ angular correlations and ...

    K. -H. Speidel, J. Cub, M. Knopp, H. -J. Simonis… in Hyperfine Interactions (1990)

  17. No Access

    Article

    Plunger measurements on highly stripped O-ions as tool for detecting electron polarization on emergence from thin ferromagnetic layers

    From hyperfine interaction studles on free single electron16O(3−) ions. in a time differential mode using the recoil distance technique. It is shown that these ions are polarized when emerging from magnetized thi...

    H. -J. Simonis, S. Kremeyer, F. Hagelberg, U. Reuter, M. Knopp… in Hyperfine Interactions (1990)

  18. No Access

    Article

    Analyzing power for elasticn-d scattering at 13 MeV

    The analyzing power for elasticn-d scattering was measured atE n=13 MeV. The result is in good agreement with experimental data atE n =12 MeV andE n ...

    J. Cub, E. Finckh, H. Frieß, G. Fuchs, K. Gebhardt, K. Geißdörfer… in Few-Body Systems (1989)

  19. No Access

    Article

    Transient magnetic fields for highly stripped ions traversing ferromagnetic solids

    Transient magnetic fields experienced by nuclei of single-electron ions in ferromagnetic solids have been analyzed in terms of the polarization of 1s electrons. Values obtained are well explained with spin-exc...

    K. -H. Speidel, M. Knopp, W. Karle, J. Cub, M. -L. Dong… in Hyperfine Interactions (1989)