Systematics of charge distribution studies in low-energy fission of actinides

✍ Scribed by H. Naik; S.P. Dange; R.J. Singh; S.B. Manohar

• Publisher: Elsevier Science
• Year: 1997
• Tongue: English
• Weight: 987 KB
• Volume: 612
• Category: Article
• ISSN: 0375-9474
• DOI: 10.1016/s0375-9474(97)80002-4

✦ Synopsis

Charge distribution studies were carried out in the thermal neutron-induced fission of 229Th, 241pu and 245Cm as well as in the spontaneous fission of 252Cf. The width parameter (trz/trA), the most probable charge/mass (Zp/Ap) and the charge polarization (AZ) as a function of fragment mass were deduced. The slope of charge polarization as a function of fragment mass [8(AZ)/SA'], average charge dispersion parameter ((trz)) and proton odd-even effect (Sp) were also obtained for these fissioning systems. These data along with the literature data for even-Z fissioning systems such as 233Th., 233U. ' 234U. ' 236U* ' 239U. ' 239pu. ' 240pu. and 25°Cf* are discussed in terms of nuclear-structure effects and dynamics of descent from saddle point to the point of neck formation and from the formation of the neck to the scission point.