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We explore the properties of the Barcelona Catania Paris Madrid (BCPM) energy density functional concerning fission dynamics. Potential energy surfaces as well as collective inertias relevant in the fission process are computed for several…

Nuclear Theory · Physics 2013-12-10 Samuel A. Giuliani , Luis M. Robledo

A microscopic framework that combines the Hartree-Fock-Bogoliubov (HFB) approach with the fusion by diffusion (FBD) model is proposed to investigate the synthesis mechanism of superheavy nuclei (SHN). For the reaction…

Nuclear Theory · Physics 2026-05-12 Yinu Zhang , Bo Han , Yueping Fang , Long Zhu

The fusion excitation function is the important quantity in planning experiments for the synthesis of superheavy elements. Its values seem to be determined by the experimental study of the hindrance to complete fusion by the observation of…

Nuclear Theory · Physics 2015-03-19 G Giardina , A K Nasirov , G Mandaglio , F Curciarello , V De Leo , G Fazio , M Manganaro , M Romaniuk , C Saccá

The cross sections for the deep sub-barrier fusion reaction of light nuclei are calculated within the theoretical framework of the selective resonant tunneling model. In this model, assumption of a complex square-well nuclear potential is…

Nuclear Theory · Physics 2019-05-01 Vinay Singh , Debasis Atta , Md. A. Khan , D. N. Basu

The double folding (DF) approach is one of the widely used methods for finding nucleus-nucleus interaction potential. In the present work, the influence of the nuclear matter density on the DF potential and on the Coulomb barrier parameters…

We present a theoretical investigation of cold reactive and non-reactive collisions of Li and Rb atoms with C$_{2}^{-}$. The potential energy surfaces for the singlet and triplet states of the Li--C$_{2}^{-}$ and Rb--C$_{2}^{-}$ systems…

Atomic Physics · Physics 2019-04-17 Milaim Kas , Jérôme Loreau , Jacques Liévin , Nathalie Vaeck

During the fission process, the nucleus deforms and elongates up to the two fragments inception and their final separation at scission deformation. The evolution of the nucleus energy with deformation is determined by the macroscopic…

The dependence of fission barriers on the excitation energy of the compound nucleus impacts the survival probability of superheavy nuclei synthesized in heavy-ion fusion reactions. In this work, we investigate the isentropic fission…

Nuclear Theory · Physics 2009-06-30 J. C. Pei , W. Nazarewicz , J. A. Sheikh , A. K. Kerman

The ground state bulk properties such as binding energy, root-mean-square radius, pairing energy, nuclear density distributions, and single-particle energies are calculated for the isotopic chain of Ca, Sn, Pb, and Z = 120 nuclei. The…

Nuclear Theory · Physics 2022-01-24 Jeet Amrit Pattnaik , R. N. Panda , M. Bhuyan , S. K. Patra

A modified Woods-Saxon potential model is proposed for a unified description of the entrance channel fusion barrier and the fission barrier of fusion-fission reactions based on the Skyrme energy-density functional approach. The fusion…

Nuclear Theory · Physics 2008-11-26 Ning Wang , Kai Zhao , Werner Scheid , Xizhen Wu

To assess the potential of cold-fusion for synthesizing superheavy nuclei (SHN) with proton numbers 104-113, we systematically calculated 145 naturally occurring projectile-target combinations within the DNS model. Reactions predominantly…

Nuclear Theory · Physics 2024-05-03 Hao Wu , Peng-Hui Chen , Fei Niu , Zu-Xing Yang , Xiang-Hua Zeng , Zhao-Qing Feng

The $\alpha$-decay chain of $^{293}$118, first proposed in the Berkeley cold fusion experiment $^{208}$Pb($^{86}$Kr,1n) and now retracted, is calculated by using the preformed cluster model (PCM) of one of us (RKG). Also, the possible…

Nuclear Theory · Physics 2011-11-09 Raj K. Gupta , Sushil Kumar , Rajesh Kumar , M. Balasubramaniam , W. Scheid

The availability of high-intensity, heavy-ion beams coupled to sensitive, large solid-angleacceptance spectrometers has enabled a detailed examination of the fission fragments produced in induced-fission reactions. The abrasion-fission…

Binding energies and other global properties of nuclei in the middle of the $pf$ shell, such as M1, E2 and Gamow-Teller sum rules, have been obtained using a new Shell Model code (NATHAN) written in quasi-spin formalism and using a…

Nuclear Theory · Physics 2009-10-31 E. Caurier , G. Martinez-Pinedo , F. Nowacki , A. Poves , J. Retamosa , A. P. Zuker

We evaluate the impact of using sets of fission yields given by the GEF code for spontaneous (sf), neutron-induced ((n,f)), and beta-delayed (betadf) fission processes which take into account the approximate initial excitation energy of the…

Semi-empirical mass formula of the atomic nucleus describe binding energies of the nuclei. In the simple form of this formula, there are five terms related to the properties of the nuclear structure. The coefficients in each terms can be…

Nuclear Theory · Physics 2016-12-12 Serkan Akkoyun , Tuncay Bayram

Ternary fission yields in the reaction 241Pu(nth,f) are calculated using a new model which assumes a nucleation-time moderated chemical equilibrium in the low density matter which constitutes the neck region of the scissioning system. The…

Nuclear Experiment · Physics 2015-06-19 S. Wuenschel , H. Zheng , K. Hagel , B. Meyer , M. Barbui , E. J. Kim , G. Roepke , J. B. Natowitz

Rare isotope beams of neutron-deficient $^{106,108,110}$Sn nuclei from the fragmentation of $^{124}$Xe were employed in an intermediate-energy Coulomb excitation experiment yielding $B(E2, 0^+_1 \to 2^+_1)$ transition strengths. The results…

Recently synthesis of superheavy nuclei has been achieved in hot fusion reactions. A systematic theoretical calculation of alpha decay half-lives in this region of the periodic system, may be useful in the identification of new nuclei in…

Nuclear Theory · Physics 2011-02-15 Frank Bello , Javier Aguilera , Oscar Rodríguez