alexa Effect Of Tensor Interaction On The R-process Waiting Point Nucleus Zn80 And Its Neighbors | 60830
ISSN: 2155-9619

Journal of Nuclear Medicine & Radiation Therapy
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International Conference on Nuclear Chemistry

Rupayan Bhattacharya
University of Calcutta, India
Posters & Accepted Abstracts: J Nucl Med Radiat Ther
DOI: 10.4172/2155-9619.C1.009
Abstract
The production of heavy elements beyond Ge proceeds via r-process in stars. The abundance pattern of elements depends critically on the underlying nuclear processes. β-decay half-lives and neutron separation energies are important in r-process as long-lived ‘waiting point’ nuclei govern the advancement of r-process. Zn80 and Cd130 are believed to be most prominent ‘waiting point’ nuclei as evident from the abundance peaks. Binding energies and one/two neutron separation energies of Zn isotopes have been calculated through tensor interaction included Skyrme-Hartree-Fock theory. The parameters for tensor interaction have been optimized through reproduction of splitting of 1f shell model states of isoscalar Ca40 and Ni56 nuclei and iso-vector Ca48 nucleus. As a further check single particle states of the most well studied Pb208 and doubly magic Sn132 nuclei have also been calculated and compared with the experimental values. The confidence gained therein led us to explore the robustness of the neutron shell at N=50 for Zn nuclei. The results vindicated our conjecture of fixing the tensor interaction parameters at Ca and Ni nuclei.
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