Article

MAGIC NUCLEI IN SUPERHEAVY VALLEY

Modern Physics Letters A (Impact Factor: 1.11). 01/2012; 27:1250173. DOI: 10.1142/S0217732312501738
Source: arXiv

ABSTRACT An extensive theoretical search for the proton magic number in the superheavy
valley beyond $Z=$82 and corresponding neutron magic number after $N=$126 is
carried out. For this we scanned a wide range of elements $Z=112-130$ and their
isotopes. The well established non-relativistic Skryme-Hartree-Fock and
Relativistic Mean Field formalisms with various force parameters are used.
Based on the calculated systematics of pairing gap, two neutron separation
energy and the shell correction energy for these nuclei, we find $Z=$120 as the
next proton magic and N=172, 182/184, 208 and 258 the subsequent neutron magic
numbers.

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    ABSTRACT: We calculate the ground state properties of recently synthesized superheavy nuclei starting from $Z$=105-120. The nonrelativistic and relativistic mean field formalisms is used to evaluate the binding energy, charge radius, quadrupole deformation parameter and the density distribution of nucleons. We analyzed the stability of the nuclei based on the binding energy and neutron to proton ratio. We also studied the bubble structure of the nucleus which reveals about the special features of the superheavy nucleus.
    International Journal of Modern Physics E 07/2012; 22(1). · 0.63 Impact Factor

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May 16, 2014