Production and identification of new nuclei at the neutron and proton drip-lines for light isotopes

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By combining the effectiveness of the projectile-fragmentation mechanism at intermediate energy, the relatively high beam intensities available at GANIL and the performances of the doubly achromatic spectrometer LISE, a breakthrough has been achieved in reaching the neutron and proton drip-lines. The achromatic refocusing of the products by the spectrometer allows identification by a small high-resolution solid-state detector telescope. Combined with the time of flight measurement of the nuclei, a redundant determination of A and Z is ensured. By fragmentation of various profectiles such as ⁴⁰Ar, ³⁶Ar, ⁸⁶Kr, ⁴⁰Ca, ⁵⁸Ni, it has been possible to produce new light neutron- rich or neutron-deficient nuclei.