Distinguishing Features of Radioactive Compound Nucleus Decays within the Dynamical Cluster Decay Model
Journal Title: Journal of Nuclear Physics, Material Sciences, Radiation and Applications - Year 2018, Vol 5, Issue 2
Abstract
In this paper, we are interested to study the distinguishing features of the decaying radioactive compound nuclei 246Bk* and 220Th*, using the Dynamical Cluster-decay Model (DCM) with deformation β and non-coplanar degree-of-freedom Φ. 246Bk* and 220Th* have so-far been studied within the DCM, using quadrupole deformations (β2i), “optimum” orientations (θopt) of the two nuclei lying in the same plane (Φ=0o), which shows that there is a non-compound nucleus (nCN) content in the observed data. The first turning point Ra (equivalently, the neck-length ΔR in Ra=R1+R2+ΔR), which fixes both the preformation and penetration paths, is used to best fit the measured evaporation residue (ER) and fusion-fission (ff) cross sections, σER, σff, respectively, in 220Th* and 246Bk*, formed via different entrance channels. In this work, we subsequently add higher multipole deformations, the octupole, and hexadecapole (β3i, β4i), `compact’ orientations θci and Φ≠00, and look fortheir effects on the nCN contribution predicted by the DCM calculations referenced above.
Authors and Affiliations
Hemdeep , Sahila Chopra , Pooja Kaushal , Raj K. Gupta
Keywords
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- EP ID EP566993
- DOI 10.15415/jnp.2018.52023
- Views 353
- Downloads 0
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