Abstract
With the observation of the collinear cluster tripartition in 252 Cf, we discuss various features of the true ternary fission (collinear fission). The conditions for collinear ternary decay with three clusters are explained. We discuss the potential energy surfaces for ternary decay and conditions for the collinear decay.
Highlights
Ternary fission with comparable masses is a process which occurs in heavy nuclei under conditions of large values of Z2/A, called the fission-parameter
Recent experiments for the spontaneous decay of 252Cf(fff) and of neutron induced fission in 235U(n,fff), using the missing mass approach with two FOBOS-detectors in coincidence at 180o, see ref. [1, 2], true ternary fission has been observed with the missing mass method
From three different experiments reported in ref. [1, 2] on collinear cluster tripartition (CCT), an overall yield of 4× 10−3/(binary fission) has been observed
Summary
Ternary fission with comparable masses is a process which occurs in heavy nuclei under conditions of large values of Z2/A, called the fission-parameter. The decay into three fragments (true ternary fission) observed is found to be collinear. Recent experiments for the spontaneous decay of 252Cf(fff) and of neutron induced fission in 235U(n,fff), using the missing mass approach with two FOBOS-detectors in coincidence at 180o, see ref.
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