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Related papers: Shell-model structure of exotic nuclei beyond 132S…

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By using a non-relativistic independent particle model we investigate the mechanism promoting 34 as new magic number. We carried out Hartree-Fock plus Bardeen-Cooper-Schrieffer and Quasi-particle Random Phase Approximation calculations by…

Nuclear Theory · Physics 2019-09-23 G. Co' , M. Anguiano , A. M. Lallena

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 shell evolution has been studied extensively within the framework of interacting shell model, while the studies from the single particle viewpoint is relatively lacking or neglected. In particular, the isospin dependence of spin-orbit…

Nuclear Theory · Physics 2020-11-30 Weiqiang Ma , Yibin Qian

The nucleon separation energies and shell gaps in nuclei over the whole nuclear chart are systematically studied with eight global nuclear mass models. For unmeasured neutron-rich and super-heavy regions, the uncertainty of the predictions…

Nuclear Theory · Physics 2015-06-22 Qiuhong Mo , Min Liu , Ning Wang

We perform a quantitative study of the microscopic effective shell-model interactions in the valence sd shell, obtained from modern nucleon-nucleon potentials, chiral N3LO, JISP16 and Daejeon16, using No-Core Shell-Model wave functions and…

We present results of shell model calculations for the proton drip line nucleus $^{106}$Sb. The shell model calculations were performed based on an effective interaction for the $2s1d0g_{7/2}0h11_{11/2}$ shells employing modern models for…

Nuclear Theory · Physics 2009-10-31 T. Engeland , M. Hjorth-Jensen , E. Osnes

Nuclear contact is a key quantity to describe the nucleon-nucleon short-range correlations (SRCs). While they have been determined by electron scattering experiments for selected stable nuclei, nuclear contacts are largely unknown for…

Nuclear Theory · Physics 2024-10-15 Tongqi Liang , Dong bai , Zhongzhou Ren

We have studied properties and shell structure of the superheavy elements from Z=102 to Z=120 within the framework of the RMF theory. The region of study spans nuclides with neutron numbers N=150-190. The Lagrangian model NL-SV1 with the…

Nuclear Theory · Physics 2009-09-18 A A Saldanha , A R Farhan , M M Sharma

The sensitivity of nucleon-nucleus elastic scattering to the off-shell behavior of realistic nucleon-nucleon interactions is investigated when on-shell equivalent nucleon-nucleon potentials are used. The study is based on applications of…

Nuclear Theory · Physics 2008-11-26 H. F. Arellano , F. A. Brieva , M. Sander , H. V. von Geramb

In this contribution I would like to discuss briefly the recent developments of the nuclear configuration interaction shell model approach. As examples, we apply the model to calculate the structure and decay properties of low-lying states…

Nuclear Theory · Physics 2016-11-03 Chong Qi

We calculate the low-lying spectra of the zirconium isotopes Z=40 with neutron numbers from N=52 to N=60 using the 1p1/20g9/2 proton and 2s1d0g7/20h11/2 neutron sub-shells to define the model space. Effective proton-proton, neutron--neutron…

Nuclear Theory · Physics 2009-11-06 A. Holt , T. Engeland , M. Hjorth-Jensen , E. Osnes

Normal parity bands are studied in 157Gd, 163Dy and 169Tm using the pseudo SU(3) shell model. Energies and B(E2) transition strengths of states belonging to six low-lying rotational bands with the same parity in each nuclei are presented.…

Nuclear Theory · Physics 2009-11-07 C. E. Vargas , J. G. Hirsch , J. P. Draayer

The low-energy spectra and B(E2) electromagnetic transition strengths of 159Eu, 159Tb and 159Dy are described using the pseudo SU(3) model. Normal parity bands are built as linear combinations of SU(3) states, which are the direct product…

Nuclear Theory · Physics 2009-11-06 C. E. Vargas , J. G. Hirsch , T. Beuschel , J. P. Draayer

A nuclear structure model based on linear response theory (i.e., Random Phase Approximation) and which includes pairing correlations and anharmonicities (coupling with collective vibrations), has been implemented in such a way that it can…

Nuclear Theory · Physics 2009-11-10 D. Sarchi , P. F. Bortignon , G. Colo`

The experimental binding energies of single-particle and single-hole neutron states belonging to neutron shells that extend from N = 126 to 184 and 82 to 126 respectively, have been reproduced by solving the Schr\"{o}dinger equation with a…

Nuclear Theory · Physics 2016-08-24 J. A. Liendo , E. Castro , R. Gómez , D. D. Caussyn

A systematic study of high energy, one-neutron removal reactions on 23 neutron-rich, psd--shell nuclei (Z=5-9, A=12-25) has been carried out. The longitudinal momentum distributions of the core fragments and corresponding single-neutron…

A recent high-resolution $\alpha$, $X$-ray, and $\gamma$-ray coincidence-spectroscopy experiment offered first glimpse of excitation schemes of isotopes along $\alpha$-decay chains of $Z=115$. To understand these observations and to make…

Nuclear Theory · Physics 2014-09-05 Yue Shi , D. E. Ward , B. G. Carlsson , J. Dobaczewski , W. Nazarewicz , I. Ragnarsson , D. Rudolph

We apply a large-scale shell model to the study of proton-rich odd-mass nuclei with $N \approx Z$. Calculations predict unexpected structure in the $^{69}$As nucleus for which a detailed experiment was recently performed. In this odd-proton…

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

We present shell model calculations of nuclear neutrino energy spectra for 70 $sd$-shell nuclei over the mass number range $A=21-35$. Our calculations include nuclear excited states as appropriate for the hot and dense conditions…

High Energy Astrophysical Phenomena · Physics 2018-01-10 G. Wendell Misch , Yang Sun , George M. Fuller