Potential energy surfaces and penetrabilities for sub-barrier synthesis of Z = 118 isotopes R. A. Gherghescu, W. Greiner and S. Hofmann Eur. Phys. J. A, 27 1 (2006) 23-32 Published online: 23 February 2006 DOI: 10.1140/epja/i2005-10237-5