Polarized beam of unstable nuclei via ion beam surface interaction at grazing incidence

We have measured the polarization of unstable nuclei produced by the techni que of ion beam surface interaction at grazing incidence (IBSIGI). A 60 keV Cs-124 beam from the on-line mass separator was used. The NMR technique wa s employed for the observation of the nuclear polarization. A small polariz ation of 0.22(13)% was observed. The small value was interpreted in terms o f the velocity dependence of nuclear polarization, comparing with the resul ts observed with stable nuclei.