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Related papers: Two-Step Model of Fusion for Synthesis of Superhea…

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The two-step model for fusion reactions of massive systems is briefly reviewed.By the use of fusion probabilities obtained by the model and of survival probabilities obtained by the new statistical code, we predict residue cross sections…

Nuclear Theory · Physics 2009-11-10 Yasuhisa Abe , Bertrand Bouriquet , Caiwan Shen , Grigori Kosenko

$^{50}$Ti-induced fusion reactions to synthesize superheavy elements are studied systematically with the two-step model developed recently, where fusion process is divided into approaching phase and formation phase. Furthermore, the residue…

Nuclear Theory · Physics 2016-03-23 Ling Liu , Caiwan Shen , Qingfeng Li , Ya Tu , Xiaobao Wang , Yongjia Wang

This article summarizes recent progress in our understanding of the reaction mechanisms leading to the formation of superheavy nuclei in cold and hot fusion reactions. Calculations are done within the Fusion-by-Diffusion (FBD) model using…

Nuclear Theory · Physics 2022-12-14 T. Cap , M. Kowal , K. Siwek-Wilczyńska

The synthesis of superheavy elements stimulates the effort to study the peculiarities of the complete fusion with massive nuclei and to improve theoretical models in order to extract knowledge about reaction mechanism in heavy ion…

Within the framework of the dinuclear system model, this study delves into the impact of various nuclear mass models on evaluating the fusion probability of superheavy nuclei. Nuclear mass models, as crucial inputs to the DNS model, exhibit…

Nuclear Theory · Physics 2024-02-26 Chang Geng , Peng-Hui Chen , Fei Niu , Zu-Xing Yang , Xiang-Hua Zeng , Zhao-Qing Feng

A variety of phenomena connected with the formation of a dinuclear complex is observed in the heavy ion collisions at low energies. The dinuclear system model allows us to analyze the experimental data and to interpret them by comparison of…

Nuclear Theory · Physics 2011-04-28 A. K. Nasirov , G. Giardina , G. Mandaglio , M. Manganaro , W. Scheid

The mechanism of fusion hindrance, an effect observed in the reactions of cold, warm and hot fusion leading to production of the superheavy elements, is investigated. A systematics of transfermium production cross sections is used to…

Nuclear Experiment · Physics 2009-11-10 M. Veselsky

The dinuclear system model incorporates several essential input physical quantities, including nuclear mass, fission barrier, shell correction energy, level density parameter, and shell damping factor, etc., which are derived from diverse…

Nuclear Theory · Physics 2026-04-13 Wei Zhang , Shi-Jie Zhang , Peng-Hui Chen

Within the concept of the dinuclear system (DNS), a dynamical model is proposed for describing the formation of superheavy nuclei in complete fusion reactions by incorporating the coupling of the relative motion to the nucleon transfer…

Nuclear Theory · Physics 2008-11-26 Zhao-Qing Feng , Gen-Ming Jin , Jun-Qing Li , Werner Scheid

The possibility to synthesize heavier superheavy elements in massive nuclei reactions is strongly limited by the hindrance to complete fusion of reacting nuclei: due to the onset of the quasifission process in the entrance channel, which…

Nuclear Theory · Physics 2015-06-11 G. Mandaglio , A. K. Nasirov , F. Curciarello , V. De Leo , M. Romaniuk , G. Fazio , G. Giardina

A model for hot-fusion reactions leading to the synthesis of super-heavy nuclei is discussed. The values of the hot-fusion cross-sections obtained in the model agree with the available experimental data. The hot-fusion cross-sections are…

Nuclear Theory · Physics 2023-12-29 V. Yu. Denisov

A potential model to describe the total cross section of nuclear fusion reactions at low energies is proposed. It is shown that within an approach with a simple, single barrier potential a satisfactory description of data is hindered, while…

Nuclear Theory · Physics 2010-12-17 V. M. Shilov

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 model for the cold-fusion reactions related to the synthesis of super-heavy nuclei in collisions of heavy projectile-nuclei with $^{208}$Pb target nucleus is discussed. In the framework of this model the production of the compound…

Nuclear Theory · Physics 2021-05-26 V. Yu. Denisov , I. Yu. Sedykh

Fusion dynamics and the onset of quasi-fission in reactions, leading to production of superheavy nuclei are investigated using the constrained molecular dynamics model. Constraints on the parameters of the nuclear equation of state are…

Nuclear Theory · Physics 2020-01-08 J. Klimo , M. Veselsky , G. A. Souliotis , A. Bonasera

The process of fusion of complex nuclei is of significant interest as an example of the collective nuclear motion of large amplitude as well as a route for synthesis of new superheavy chemical elements. This process is accompanied by the…

Nuclear Theory · Physics 2023-05-23 I. I. Gontchar , M. V. Chushnyakova

Using the dinuclear system concept we present calculations of production cross sections for the heaviest nuclei. The obtained results are in a good agreement with the experimental data. The experimentally observed rapid fall-off of the…

Nuclear Theory · Physics 2009-10-30 G. G. Adamian , N. V. Antonenko , W. Scheid , V. V. Volkov

We present a review of the recent progress of theoretical models on the description of the formation of superheavy nuclei in collisions of heavy systems. Two sorts of reactions that are the fusion-evaporation mechanism and the massive…

Nuclear Theory · Physics 2011-05-30 Zhao-Qing Feng , Gen-Ming Jin , Jun-Qing Li

Fusion - fission probabilities in the synthesis of heaviest elements are discussed in the context of the latest experimental reports. Cross sections for superheavy nuclei are evaluated using "Fusion by Diffusion" (FBD) model. Predictive…

A new model that includes the time-dependent dynamics of the single-particle (s.p.) motion in conjunction with the macroscopic evolution of the system is proposed for describing the compound nucleus (CN) formation in fusion of heavy nuclei.…

Nuclear Theory · Physics 2009-11-10 Alexis Diaz-Torres
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