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Large-scale shell model calculations were performed for neutron-rich even-even $^{132-136}$Te using a realistic effective interaction derived from CD-Bonn nucleon-nucleon potential for the positive and negative parity states. The calculated…

Nuclear Theory · Physics 2007-05-23 F. A. Majeed

We show that in the search of a unified mean field description of finite nuclei and of nuclear and neutron matter even at high densities, the relativistic nuclear model derived from effective field theory and density functional theory…

Nuclear Theory · Physics 2007-05-23 Tapas Sil , S. K. Patra , B. K. Sharma , M. Centelles , X. Vinas

The nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical $r$-process in producing nuclei heavier than $A\sim190$. Despite their importance, the structure and properties of these nuclei…

The role of three-nucleon forces (3NF) in the description of nuclear structure properties is nowadays a main topic in the field of microscopic many-nucleon calculations. We investigate the relative weight between effective two- and…

Nuclear Theory · Physics 2015-07-02 L. Coraggio , A. Gargano , N. Itaco

We have investigated most stable superheavy nuclei by studying the decay properties such as alpha decay, cluster decay and spontaneous fission. We have investigated nine stable nuclei in the island of stability which can be detected through…

Nuclear Theory · Physics 2019-07-04 H. C. Manjunatha , L. Seenappa , K. N. Sridhar

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

In this work we try to settle down the controversial predictions on the effect of doubly magic nuclei $^{132}$Sn and $^{208}$Pb on the mass distributions of fission fragments of super-heavy nuclei. For this we have calculated the mass…

Nuclear Theory · Physics 2020-02-05 C. Ishizuka , X. Zhang , M. D. Usang , F. A. Ivanyuk , S. Chiba

Empirical drops in ground-state nuclear polarizabilities indicate deviations from the effect of giant dipole resonances and may reveal the presence of shell effects in semi-magic nuclei with neutron magic numbers $N=50$, 82 and 126. Similar…

Nuclear Theory · Physics 2019-03-05 Cebo Ngwetsheni , Nico Orce

This paper presents a short overview of the shell-model approach with realistic effective interactions to the study of exotic nuclei. We first give a sketch of the current state of the art of the theoretical framework of this approach,…

Nuclear Theory · Physics 2015-06-19 A. Gargano , L. Coraggio , A. Covello , N. Itaco

Using the Hartree-Fock-Bogoliubov (HFB) self-consistent mean-field theory with the SkM* Skyrme energy-density functional, we study nuclear structure properties of even-even superheavy nuclei (SHN) of $Z=120$ isotopes and $N=184$ isotones.…

Nuclear Theory · Physics 2018-09-21 A. Kosior , A. Staszczak , Cheuk-Yin Wong

A comprehensive study of favoured and unfavoured $\alpha$-decay, cluster decay, weak-decay along with spontaneous fission in undetected superheavy nuclei within the range for proton number 111$\leq$Z$\leq$118 and neutron number…

Nuclear Theory · Physics 2023-07-26 A. Jain , P. K. Sharma , S. K. Jain , Dashty T. Akrawy , G. Saxena

We systematically study the competition between {\alpha}-decay and spontaneous fission in even-even superheavy nuclei with (Z=120) and 256 \leq A \leq 304 within the preformed cluster-decay model using microscopic inputs from relativistic…

Nuclear Theory · Physics 2026-01-30 Nishu Jain , M. Bhuyan , P. Mohr , Raj Kumar

Experimentally observed heaviest $N \approx Z$ nuclei, Ru isotopes, are investigated by the shell model on a spherical basis with the extended $P+QQ$ Hamiltonian. The energy levels of all the Ru isotopes can be explained by the shell model…

Nuclear Theory · Physics 2009-11-10 M. Hasegawa , K. Kaneko , T. Mizusaki , S. Tazaki

Effects of the density dependence of the nuclear symmetry energy on ground-state properties of superheavy nuclei are studied in the relativistic mean-field theory. It is found that the softening of the symmetry energy plays an important…

Nuclear Theory · Physics 2010-04-14 Wei-Zhou Jiang

The nuclear potential and resulting shell structure are well established for the valley of stability, however, dramatic modifications to the familiar ordering of single-particle orbitals in rare isotopes with a large imbalance of proton and…

Nuclear Experiment · Physics 2019-01-30 Alexandra Gade

The existence of magic numbers of protons and neutrons in nuclei is essential for understanding nuclear structure and fundamental nuclear forces. Over decades, researchers have conducted theoretical and experimental studies on the new magic…

Nuclear Theory · Physics 2025-01-07 H. Li , H. J. Ong , D. Fang , I. A. Mazur , I. J. Shin , A. M. Shirokov , J. P. Vary , P. Yin , X. Zhao , W. Zuo

The analysis of statistical and systematic uncertainties and their propogation to nuclear extremes has been performed. Two extremes of nuclear landscape (neutron-rich nuclei and superheavy nuclei) have been investigated. For the first…

Nuclear Theory · Physics 2017-10-12 A. V. Afanasjev , S. E. Agbemava , D. Ray , P. Ring

The progress in the modeling of exotic nuclei with an extreme neutron-to-proton ratio is discussed. Two topics are emphasized: (i) the quest for the universal microscopic nuclear energy density functional and (ii) the progress in the…

Nuclear Theory · Physics 2017-08-23 J. Dobaczewski , N. Michel , W. Nazarewicz , M. Ploszajczak , M. V. Stoitsov

In present study, we search the lambda magic number in hypernuclei within the framework of relativistic mean field theory (RMF) with inclusion of hyperon-nucleon and hyperon-hyperon potentials. Based on one- and two-lambda separation energy…

Nuclear Theory · Physics 2017-02-01 M. Ikram , Bharat Kumar , S. K. Biswal , S. K. Patra

The binding energies of neutron rich strangeness $S=-1$ hypernuclei are estimated in the chiral soliton approach using the bound state rigid oscillator version of the SU(3) quantization model. Additional binding of strange hypernuclei in…

Nuclear Theory · Physics 2015-06-04 Vladimir B. Kopeliovich
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