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We systematically calculate the spontaneous fission half-lives for heavy and superheavy nuclei between U and Fl isotopes. The spontaneous fission process is studied within the semi-empirical WKB approximation. The potential barrier is…

Nuclear Theory · Physics 2015-06-15 Xiaojun Bao , Hongfei Zhang , G. Royer , Junqing Li

We employ Relativistic Mean Field (RMF) model with NL3 parametrization to investigate the ground state properties of superheavy nucleus, Z = 124. The nuclei selected (from among complete isotopic series) for detailed investigation show that…

Nuclear Theory · Physics 2015-10-29 M. S. Mehta , Harvinder Kaur , Bharat Kumar , S. K. Patra

A recently published highly extrapolatable semiempirical shell model mass equation is shown to describe rather well the energies of several seemingly well identified alpha-decay chains with known end product nuclei observed in superheavy…

Nuclear Theory · Physics 2009-04-13 S. Liran , A. Marinov , N. Zeldes

The $^{12}$C+$^{12}$C fusion reaction plays a significant role in the later phases of stellar evolution. For a better understanding of the evolution involved, one must understand the corresponding fusion-fission dynamics and reaction…

Nuclear Theory · Physics 2021-08-30 Shilpa Rana , Raj Kumar , M. Bhuyan

The role of spherical quantum shells in the competition between fusion and quasi-fission is studied for reactions forming heavy elements. Measurements of fission fragment mass distributions for different reactions leading to similar…

Nuclear Experiment · Physics 2012-04-24 Cédric Simenel , D. J. Hinde , R. Du Rietz , M. Dasgupta , M. Evers , C. J. Lin , D. H. Luong , A. Wakhle

The capture-fission cross-sections in an energy range of 206-242 MeV of 48Ca-projectiles and mass-energy distributions (MEDs) of reaction products in an energy range of 211-242 MeV have been measured in the 48Ca+208Pb reaction using the…

A systematic study of fission-barrier dependence on excitation energy has been performed using the self-consistent finite-temperature Hartree-Fock+BCS (FT-HF+BCS) formalism with the SkM* Skyrme energy density functional. The calculations…

Nuclear Theory · Physics 2009-08-18 J. A. Sheikh , W. Nazarewicz , J. C. Pei

The fusion mechanism of reactions involving even-even $^{112-124}$Sn, doubly magic $^{132}$Sn, $^{208}$Pb as targets, and $^{64}$Ni as the projectile is explored within the relativistic mean field (RMF) formalism. The main aim of choosing…

Nuclear Theory · Physics 2024-04-25 Shilpa Rana , M. Bhuyan , S. K. Patra , Raj Kumar

Mass distribution of fission products has been determined in (alpha+232Th) reaction at Elab=36.2 MeV using alpha particles from the cyclotron at the Variable Energy Cyclotron Centre (VECC), Kolkata. Yields of 69 fission products having…

Molecular dynamics simulation is employed to understand the thermodynamic behavior of cuboctahedron (cub) and icosahedron (ico) nanoparticles with 2-20 number of shells (55-28741 atoms). The embedded atom method was used to describe the…

Materials Science · Physics 2019-08-13 Maryam Azadeh , Movaffaq Kateb , Pirooz Marashi

Systematic alpha-nucleus folding potentials are used to analyze alpha-decay half-lives of superheavy nuclei. Preformation factors of about several per cent are found for all nuclei under study. The systematic behavior of the preformation…

Nuclear Theory · Physics 2014-11-18 Peter Mohr

The information-geometric statistical analysis on the stability of model reductions, reported previously [Imbri\v{s}ak and Nomura, Phys. Rev. C 107, 034304 (2023)] with a focus on the manifold boundary approximation method in the…

Nuclear Theory · Physics 2023-08-31 M. Imbrišak , K. Nomura

The alpha accompanied cold ternary fission of even-even 244Cm, 246Cm, 248Cm, 250Cm and 252Cm isotopes have been studied by taking the interacting barrier as the sum of Coulomb and proximity potential with the fragments in equatorial…

Nuclear Theory · Physics 2014-09-03 K. P. Santhosh , Sreejith Krishnan , B. Priyanka

The Coulomb effect hypothesis in cold fission, formerly used to interpret fluctuations in the curve of maximal total kinetic energy as a function of fragments mass, in reactions 233U(nth,f), 235U(nth,f) and 239Pu(nth,f), is confirmed by the…

Nuclear Experiment · Physics 2013-10-07 Modesto Montoya

Probable projectile-target combinations for the synthesis of superheavy element $^{302}$120 have been studied taking Coulomb and proximity potential as the interaction barrier. The probabilities of compound nucleus formation, PCN for the…

Nuclear Theory · Physics 2016-09-22 K. P. Santhosh , V. Safoora

We study the fission yield of recently predicted thermally fissile neutron-rich uranium and thorium nuclei using statistical model. The level density parameters needed for the study are evaluated from the excitation energies of temperature…

Nuclear Theory · Physics 2017-10-04 Bharat Kumar , M. T. Senthil kannan , M. Balasubramaniam , B. K. Agrawal , S. K. Patra

Fission-fragment mass and total-kinetic-energy (TKE) distributions following fission of even-even nuclides in the region $74 \leq Z \leq 126$ and $92 \leq N \leq 230$, comprising 896 nuclides have been calculated using the Brownian…

Nuclear Theory · Physics 2020-02-11 M. Albertsson , B. G. Carlsson , T. Døssing , P. Möller , J. Randrup , S. Åberg

For the first time, the precise data on the above barrier fusion (capture) cross-sections for the reactions involving spherical colliding nuclei are quantitatively analyzed using the relativistic mean-field effective interaction. The…

Nuclear Theory · Physics 2019-07-29 Maria Chushnyakova , Igor Gontchar , Natalya Khmyrova

The feasibility for the alpha decay and the heavy particle decay from the even-even superheavy (SH) nuclei with Z = 116-124 have been studied within the Coulomb and proximity potential model (CPPM). The Universal formula for cluster decay…

Nuclear Theory · Physics 2015-06-17 K. P. Santhosh , B. Priyanka

For a single potential barrier, the barrier penetrability can be inverted based on the WKB approximation to yield the barrier thickness. We apply this method to heavy-ion fusion reactions at energies well below the Coulomb barrier and…

Nuclear Theory · Physics 2009-11-13 K. Hagino , N. Rowley