After magnetic separation, identification through time of flight and 5E x E measurements has allowed the observation of the new nuclei, 29F, 35'36Mg, 3s'39A1, 4~ 43,44p, 45'46'47S, 46'4v'4s'49C1, 49'5~ from the interaction of a 4SCa beam of 55 MeV/u with tantalum targets.

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In bombardments of ' 'U targets with 186-MeV ' S projectiles we discovered the n-decaying nuclide~108 with a half-life of 19 jo ms, E = 9.74 to 9.87 MeV, and a production cross section of about 2.5 pb. The new nuclide was identified by measuring correlations in energy, time, and position to establish genetic links between its implantation in a position-sensitive silicon detector and subsequent

It is common knowledge that the electrostatic pit in a core plasma of electron cyclotron resonance sources exerts strict control over generation of ions in high charge states. This work is aimed at finding a dependence of the lifetime of ions on their charge states in the core region and to elaborate a numerical model of ion charge dispersion not only for the core plasmas but for extracted beams as well. The calculated data are in good agreement with the experimental results on charge distributions and magnitudes for currents of beams extracted from the 14 GHz DECRIS source.