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This paper investigates the impacts of the different surface energy coefficients on the compound nucleus decay modes during heavy ion fusion reactions, with focus given to the superheavy nuclei (SHN) in the range of $Z=112-118$. The…

Nuclear Theory · Physics 2024-01-01 R. Zargini , S. A. Seyyedi

Within the framework of the dinuclear system model, the production of superheavy element Z=117 in possible projectile-target combinations is analyzed systematically. The calculated results show that the production cross sections are…

Nuclear Theory · Physics 2008-11-26 Feng Zhao-Qing , Jin Gen-Ming , Huang Ming-Hui , Gan Zai-Guo , Wang Nan , Li Jun-Qing

We calculate the energy levels and successive ionisation potentials (IPs) of ions of the three heaviest known Group 16 and 17 elements using a theoretical approach that combines the linearised coupled-cluster method, configuration…

Atomic Physics · Physics 2025-07-23 G. K. Vong , V. A. Dzuba , V. V. Flambaum

A proton can capture an electron and turn into a neutron provided the electron has a kinetic energy of 0.782 MeV or more.An element of the Periodic Table can change into another on being exposed to such high energy electrons.

General Physics · Physics 2011-05-16 A. Mukherji

Besides right choice of entrance channel, selection of optimal beam energies for synthesis of superheavy elements plays a crucial role. A thorough investigation with the advanced statistical and dinuclear system models on all the…

Nuclear Theory · Physics 2021-03-15 H. C. Manjunatha , N. Sowmya , P. S. Damodara Gupta , L. Seenappa , T. Nandi

A new tabulation of electronic factors is reported for electron conversion for elements of Z from 5 to 126 and electronic factors for electron-positron pair conversion for elements of even Z from 4 to 100. The electronic factors for…

Nuclear Theory · Physics 2019-11-04 J. T. H. Dowie , T. Kibédi , T. K. Eriksen , A. E. Stuchbery

Dynamical reaction theories are reviewed for synthesis of superheavy elements. Characteristic features of formation and surviving are discussed with reference to possible incident channels. Theoretical predictions are presented on favorable…

Nuclear Theory · Physics 2016-09-08 Y. Abe , K. Okazaki , Y. Aritomo , T. Tokuda , T. Wada , M. Ohta

Relativistic Hartree-Fock and random phase approximation methods for open shells are used to calculate ionization potentials and static scalar polarizabilities of eight superheavy elements with open $6d$-shell, which include Db, Sg, Bh, Hs,…

Atomic Physics · Physics 2016-04-06 V. A. Dzuba

The combination of the configuration interaction method and all-order single-double coupled-cluster technique is used to calculate excitation energies, ionization potentials and static dipole polarizabilities of superheavy elements…

Atomic Physics · Physics 2015-06-19 V. A. Dzuba , M. S. Safronova , U. I. Safronova

We apply a statistical-evaporation model (HIVAP) to calculate the cross sections of superheavy elements, mainly about actinide targets and compare with some available experimental data. A reaction channel $^{30}$Si + $^{243}$Am is proposed…

Nuclear Theory · Physics 2009-11-10 K. Wang , Y. G. Ma , G. L. Ma , Y. B. Wei , X. Z. Cai , J. G. Chen , W. Guo , C. Zhong , W. Q. Shen

We calculate the spectrum and allowed E1 transitions of the superheavy element Og (Z=118). A combination of configuration interaction (CI) and perturbation theory (PT) is used (Dzuba \textit{et at.} Phys. Rev. A, \textbf{95}, 012503…

Atomic Physics · Physics 2018-10-26 Bryce G. C. Lackenby , Vladimir A. Dzuba , Victor V. Flambaum

We investigate the cold fission/fusion paths of superheavy nuclei within the two center shell model, in order to find the best projectile-target combinations of their production. The fission/fusion yields are estimated by using the…

Nuclear Theory · Physics 2008-05-07 M. Mirea , D. S. Delion , A. Sandulescu

Structural properties and the decay modes of the superheavy elements Z $=$ 122, 120, 118 are studied in a microscopic framework. We evaluate the binding energy, one- and two- proton and neutron separation energy, shell correction and…

Nuclear Theory · Physics 2019-05-01 G. Saxena , M. Kumawat , S. Somorendro Singh , Mamta Aggarwal

The synthesis of superheavy elements provides crucial insights into the stability and structure of nuclei at the limits of the periodic table. This study investigates the $^{50}$Ti$+^{244}$Pu and $^{50}$Ti$+^{251}$Cf reactions as pathways…

Nuclear Theory · Physics 2025-05-20 Bakhodir Kayumov

The cold fusion reactions related to 208Pb and 209Bi targets leading to superheavy elements (SHE) with Z=104-112 have been successfully considered in our model recently. Here we briefly discuss this model and extend our consideration to…

Nuclear Theory · Physics 2007-05-23 Vitali Denisov

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

The concept of heavy particle radioactivity (HPR) is changed to allow emitted particles with Z_e>28 from parents with Z>110 and daughter around 208Pb. Calculations for superheavy (SH) nuclei with Z=104-124 are showing a trend toward shorter…

Nuclear Theory · Physics 2011-08-17 D. N. Poenaru , R. A. Gherghescu , W. Greiner

High-precision calculations of the energy levels of the superheavy elements E119 and E120+ are presented. Dominating correlation corrections beyond relativistic Hartree-Fock are included to all orders in the Coulomb interaction using the…

Atomic Physics · Physics 2008-08-13 T. H. Dinh , V. A. Dzuba , V. V. Flambaum , J. S. M. Ginges

Dynamical reaction theory is presented for synthesis of superheavy elements. Characteristic features of formation and surviving are discussed, which combinedly determine final residue cross sections of superheavy elements. Preliminary…

Nuclear Theory · Physics 2007-05-23 Y. Abe , K. Okazaki , Y. Aritomo , T. Wada , M. Ohta

$^{50}$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