Abstract
The effects of shell closure (proton shell closure Z = 82) in the decay of compound nuclei (CN) having having A ∼ 200 formed through 19F induced reaction at same Elab, is explored. We have investigated the decay of CN 194Hg*, 200Pb*, 203Bi* and 207At* formed in 19F+175Lu, 19F + 181Ta, 19F+184W and 19F+188Os reactions, respectively, at Elab∼85 MeV, using the quantum mechanical fragmentation theory based dynamical cluster decay model (DCM). In DCM, the collective fragmentation potential is calculated within Strutinsky macro-microscopic method and empirical shell corrections are taken from Myres and Swiatecki. The deformations of the interacting nuclei are taken here upto quadruple deformations. The results show interesting interplay between light particles LPs/evaporation residues and fission fragments with special observation that LPs are strongly favored for the 200Pb* and the neighboring CN even at higher l-values.
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