The RISING project was designed to perform high-resolution \gamma -ray spectroscopy with radioactive beams at GSI. Unstable beams were produced by fragmentation of relativistic heavy ion projectiles provided by the SIS synchrotron. The fragment separator FRS was used to select and to focus the exotic fragments at about 100AMeV energy on a secondary target. Various charged particle detectors enabled an event-by-event tracking of the incoming radioactive projectiles and the reaction products, thus allowing for a selection of the nuclei of interest and their velocity vector reconstruction. The \gamma -ray detection system consisting of the EUROBALL Cluster Ge detectors and the large volume HECTOR BaF₂ detectors measured prompt \gamma -radiation from nuclei excited in the secondary target. Despite the huge Doppler shift due to the high recoil velocity (\beta \approx 40{\%}), RISING achieved a \gamma -energy resolution below 2{\%}. The paper reviews the present status of the RISING project.

PACS numbers: 26.60.-t, 25.70.De, 29.30.-h, 29.30.Kv