- Conference date: 11-14 May 2005
- Location: Cadarache (France)
The Lohengrin fission‐product spectrometer at the ILL offers some unique opportunities to study the structure of very rare neutron‐rich nuclei near 132Sn, in the mass A∼100 region and in the A∼160 region using microsecond isomeric gamma rays. Techniques to measure isomeric gamma rays, conversion electrons, excited‐state lifetimes in the pico‐to‐nanosecond domain and g factors will be presented. New results on an isomeric state in 98Zr will also be discussed.
A 2.5 μs isomeric 17− state at 6.5 MeV has recently been measured with the Lohengrin spectrometer in 98Zr. This spherical isomeric state is believed to have a configuration and decays into two collective bands. One of the collective bands has a vibrational character, which becomes rotational at higher spins.
An idea to build a neutron guide for nuclear structure experiments on very neutron‐rich nuclei at the ILL is currently being discussed. A brief outline of a recent neutron‐guide experiment will be presented.
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