Microscopic description of Cf-252 cold fission yields

Details Microscopic description of Cf-252 cold fission yields Microscopic description of Cf-252 cold fission yields

2009-07-20

arxiv.org/abs/0907.3347v1

Phys.Rev.C81:044317,2010

Physics

Nuclear Physics

Nuclear Theory

15 pages, 10 figures

Scientific paper

10.1103/PhysRevC.81.044317

We investigate the cold fission of 252Cf within the two center shell model to compute the potential energy surface. The fission yields are estimated by using the semiclassical penetration approach. It turns out that the inner cold valley of the total potential energy is strongly connected with Z=50 magic number. The agreement with experimental values is very much improved only by considering mass and charge asymmetry degrees of freedom. Thus, indeed cold fission of 252Cf is a Sn-like radioactivity, related the other two "magic radioactivities", namely alpha-decay and heavy-cluster decay, called also Pb-like radioactivity. This calculation provides the necessary theoretical confidence to estimate the penetration cross section in producing superheavy nuclei, by using the inverse fusion process.

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