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We calculate properties of neutron drops in external potentials using both quantum Monte Carlo and no-core full configuration techniques. The properties of the external wells are varied to examine different density profiles. We compare…

Nuclear Theory · Physics 2013-05-22 Pieter Maris , James P. Vary , S. Gandolfi , J. Carlson , Steven C. Pieper

We tabulate the atomic mass excesses and nuclear ground-state deformations of 8979 nuclei ranging from $^{16}$O to $A=339$. The calculations are based on the finite-range droplet macroscopic model and the folded-Yukawa single-particle…

Nuclear Theory · Physics 2009-10-22 P. Möller , J. R. Nix , W. D. Myers , W. J. Swiatecki

We report ab initio calculations for neutron drops in a 10 MeV external harmonic-oscillator trap using chiral nucleon-nucleon plus three-nucleon interactions. We present total binding energies, internal energies, radii and odd-even energy…

Nuclear Theory · Physics 2014-12-23 H. D. Potter , S. Fischer , P. Maris , J. P. Vary , S. Binder , A. Calci , J. Langhammer , R. Roth

We perform a systematic study of the ground-state properties of all the nuclei from the proton drip line to the neutron drip line throughout the periodic table employing the relativistic mean field model. The TMA parameter set is used for…

Nuclear Theory · Physics 2009-11-11 L. S. Geng , H. Toki , J. Meng

The differences between the experimental and Relativistic Mean Field binding energies have been calculated for a large number of even-even nuclei from A=50 to 220. Excluding certain mass regions, the differences, after suitable corrections…

Nuclear Theory · Physics 2009-02-12 Madhubrata Bhattacharya , G. Gangopadhyay

We benchmark three standard approximations for the many-body problem -- the Hartree-Fock, projected Hartree-Fock, and random phase approximations -- against full numerical configuration-interaction calculations of the electronic structure…

Atomic Physics · Physics 2012-08-31 Micah D. Schuster , Calvin W. Johnson , Joshua T. Staker

In this work we examine a system consisting of a confined one-dimensional arrangement of atoms that we describe by using the 2-dimensional ${\mathbb C}P^{N-1}$ model, restricted to an interval and at finite temperature. We develop a method…

High Energy Physics - Theory · Physics 2019-10-21 Antonino Flachi , Guglielmo Fucci , Muneto Nitta , Satoshi Takada , Ryosuke Yoshii

The single-nucleon potential in hot nuclear matter is investigated in the framework of the Brueckner theory by adopting the realistic Argonne V18 or Nijmegen 93 two-body nucleon-nucleon interaction supplemented by a microscopic three-body…

Nuclear Theory · Physics 2008-11-26 W. Zuo , Z. H. Li , U. Lombardo , G. C. Lu , H. -J. Schulze

Traditionally, the difference in binding energy from the experimental value with respect to the theoretical liquid-drop model value, has been seen as indication of independent-particle character along with magicity for particular number of…

Nuclear Theory · Physics 2008-12-11 S. Afsar Abbas

Neutron drops confined in an external field are studied in the framework of relativistic Brueckner-Hartree-Fock theory using the bare nucleon-nucleon interaction. The ground state energies and radii of neutron drops with even numbers from…

Nuclear Theory · Physics 2018-05-15 Shihang Shen , Haozhao Liang , Jie Meng , Peter Ring , Shuangquan Zhang

Statistical fluctuations of the nuclear ground state energies are estimated using shell model calculations in which particles in the valence shells interact through well defined forces, and are coupled to an upper shell governed by random…

Nuclear Theory · Physics 2009-11-11 Victor Velazquez , Jorge G. Hirsch , Alejandro Frank , Jose Barea , Andres P. Zuker

We study the binding energies of spin-isospin saturated nuclei with nucleon number $8 \le A \le 100$ in semiclassical Monte Carlo many-body simulations. The model Hamiltonian consists of, (i) nucleon kinetic energy, (ii) a nucleon-nucleon…

Nuclear Theory · Physics 2008-11-26 M. Angeles Perez-Garcia , K. Tsushima , A. Valcarce

Our study consists of investigations of nuclear ground state properties and weak transition rates of even even waiting point nuclei. The calculation was performed for N = 50 and N = 82 nuclei. The Relativistic Mean Field (RMF) model was…

Nuclear Theory · Physics 2025-03-04 Jameel-Un Nabi , Tuncay Bayram , Gul Daraz , Abdul Kabir , Sevki Senturk

We perform ab initio calculations for nuclei around ^{16}O, ^{40}Ca, and ^{56}Ni using realistic nucleon-nucleon forces. In particular, ^{56}Ni is computed as the heaviest nucleus in this kind of ab initio calculation. Ground-state and…

Nuclear Theory · Physics 2009-11-05 S. Fujii , R. Okamoto , K. Suzuki

We study the nuclear ground-state properties by using the unitary-model-operator approach (UMOA). Recently, the particle-basis formalism has been introduced in the UMOA and enables us to employ the charge-dependent nucleon-nucleon…

Nuclear Theory · Physics 2015-04-21 Takayuki Miyagi , Takashi Abe , Ryoji Okamoto , Takaharu Otsuka

In the frame work of the hydrodynamical model, a new model of the ground state rotational bands of deformed e-e nuclei is developed by introducing the variable moment of inertia, and the effect of beta- and gamma- vibrational bands. The…

Nuclear Theory · Physics 2007-05-23 Mohamed E. Kelabi , A. Y. Ahmed , Vikram Singh

We investigate the influence of phenomenological three-nucleon interactions on the systematics of ground-state energies and charge radii throughout the whole nuclear mass range from 4-He to 208-Pb. The three-nucleon interactions supplement…

Nuclear Theory · Physics 2014-11-21 A. Günther , R. Roth , H. Hergert , S. Reinhardt

We calculate the ground state binding energies of the light nuclei such as 4He, 6Li, 12C and 14N by considering the effect of three-body nucleon-nucleon interaction. We use the effective twobody potential obtained from the lowest order…

Nuclear Theory · Physics 2025-02-26 F. Kamgar , G. H. Bordbar , S. M. Zebarjad , M. A. Rastkhadiv

We calculate the ground state properties of recently synthesized superheavy nuclei starting from $Z$=105-120. The nonrelativistic and relativistic mean field formalisms is used to evaluate the binding energy, charge radius, quadrupole…

Nuclear Theory · Physics 2013-05-03 S. K. Singh , Mohammad Ikram , S. K. Patra

We perform an analysis of a binding energy difference called delta V_{pn}(N,Z) =- 1/4(E(Z,N)-E(Z,N-2)-E(Z-2,N)+ E(Z-2,N-2) in the framework of a realistic nuclear model. Using the angular-momentum and particle-number projected generator…

Nuclear Theory · Physics 2011-07-05 Michael Bender , Paul-Henri Heenen