Distinguishing Features of Radioactive Compound Nucleus Decays within the Dynamical Cluster Decay Model

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 310
  • Downloads 0

How To Cite

Hemdeep, Sahila Chopra, Pooja Kaushal, Raj K. Gupta (2018). Distinguishing Features of Radioactive Compound Nucleus Decays within the Dynamical Cluster Decay Model. Journal of Nuclear Physics, Material Sciences, Radiation and Applications, 5(2), 255-263. https://europub.co.uk/articles/-A-566993