Nuclear Instruments and Methods in Physics Research. Section B, Beam interactions with materials and atoms vol:122 issue:1 pages:121-126
In this paper a method is proposed to obtain a pure beam of oriented exotic nuclei by using the element selective laser-ionization process followed by on-line mass-separation. A two-step resonance photo-ionization process is not only very element-selective and efficient, it also provides an easy way of obtaining polarized nuclei if the resonant excitation is performed with a circularly polarized laser beam. Polarizations of the order of 10 to 20% can be expected. We give some examples and we discuss the conditions needed to maintain the orientation during the subsequent mass-separation.