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We calculate the ground-state properties of well deformed, even-even N=Z nuclei in the region between Ni-56 and Sn-100 within two different approaches, focusing on the binding energy and deformation and pairing properties. First, we employ…

Nuclear Theory · Physics 2008-11-26 L. Bonneau , P. Quentin , K. Sieja

A direct fit of the isoscalar spin-orbit (SO) and both isoscalar and isovector tensor coupling constants to the f5/2-f7/2 SO splittings in 40Ca, 56Ni, and 48Ca nuclei requires a drastic reduction of the isoscalar SO strength and strong…

Nuclear Theory · Physics 2009-12-30 M. Zalewski , P. Olbratowski , M. Rafalski , W. Satula , T. R. Werner , R. A. Wyss

We present a study of the effects of the tensor-isospin term of the effective interaction in Hartree-Fock and Random Phase Approximation calculations. We used finite-range forces of Gogny type, and we added to them a tensor-isospin term…

Nuclear Theory · Physics 2011-07-04 M. Anguiano , G. Co' , V. De Donno , A. M. Lallena

We investigate the role of the tensor force in the description of doubly odd deformed nuclei within the framework of the particle-rotor model. We study the rare-earth nuclei 174Lu, 180Ta, 182Ta, and 188Re using a finite-range interaction,…

Nuclear Theory · Physics 2009-11-07 A. Covello , A. Gargano , N. Itaco

Applying the semi-realistic $NN$ interactions that include realistic tensor force to the Hartree-Fock calculations, we investigate tensor-force effects on the single-particle levels in the Ca isotopes. The semi-realistic interaction…

Nuclear Theory · Physics 2013-06-27 H. Nakada , K. Sugiura , J. Margueron

Adjustment of the behavior of the potential energy of nuclear deformation, defined as the sum of the energies of lowest-lying occupied single-particle levels in a deformed finite potential with a pairing correction, is considered by taking…

Nuclear Theory · Physics 2021-07-20 G. I. Bykhalo , V. N. Orlin , K. A. Stopani

The evolution of the nuclear shapes along the triaxial landscape is studied in the Pt isotopic chain using the selfconsistent Hartree-Fock-Bogoliubov approximation based on the Gogny interaction. In addition to the parametrization D1S, the…

Nuclear Theory · Physics 2014-11-20 R. Rodriguez-Guzman , P. Sarriguren , L. M. Robledo , J. E. Garcia-Ramos

We discuss the effect of pairing on two-neutron space correlations in deformed nuclei. The spatial correlations are described by the pairing tensor in coordinate space calculated in the HFB approach. The calculations are done using the D1S…

Nuclear Theory · Physics 2014-11-20 N. Pillet , N. Sandulescu , P. Schuck , J. -F. Berger

The relativistic Hartree approach describing the bound states of both nucleons and anti-nucleons in finite nuclei has been extended to include tensor couplings for the $\omega$- and $\rho$-meson. After readjusting the parameters of the…

Nuclear Theory · Physics 2009-11-07 Guangjun Mao

With the relativistic representation of the nuclear tensor force that is included automatically by the Fock diagrams, we explored the self-consistent tensor effects on the properties of nuclear matter system. The analysis were performed…

Nuclear Theory · Physics 2015-01-20 Li Juan Jiang , Shen Yang , Jian Min Dong , Wen Hui Long

The effect of nuclear deformation on the energy distributions of the Gamow-Teller strength is studied in neutron-deficient Hg, Pb, and Po even isotopes. The theoretical framework is based on a self-consistent deformed Skyrme Hartree-Fock…

Nuclear Theory · Physics 2009-11-11 O. Moreno , P. Sarriguren , R. Alvarez-Rodriguez , E. Moya de Guerra

The constrained Hartree-Fock-Bogoliubov method is used with the Gogny interaction D1S to calculate potential energy surfaces of fissioning nuclei ${}^{226}$Th and ${}^{256,258,260}$Fm up to very large deformations. The constraints employed…

Nuclear Theory · Physics 2008-11-26 N. Dubray , H. Goutte , J. -P. Delaroche

Ground state properties of carbon isotopes, including root-mean-square radii, neutron separation energies, single particle spectra, and shapes are systematically studied with the deformed relativistic Hartree-Bogoliubov theory in continuum.…

Nuclear Theory · Physics 2021-10-15 Xiang-Xiang Sun , Jie Zhao , Shan-Gui Zhou

A comprehensive study of various ground-state properties of neutron-rich and neutron-deficient Mg isotopes with $A$=20-36 is performed in the framework of the self-consistent deformed Skyrme-Hartree-Fock plus BCS method. The correlation…

Nuclear Theory · Physics 2015-06-19 M. K. Gaidarov , P. Sarriguren , A. N. Antonov , E. Moya de Guerra

A systematic investigation of octupole deformed nuclei is presented for even-even systems with $Z\leq 106$ located between the two-proton and two-neutron drip lines. For this study we use five most up-to-date covariant energy density…

Nuclear Theory · Physics 2016-04-26 S. E. Agbemava , A. V. Afanasjev , P. Ring

Much interest has been devoted to the shape evolution of neutron-rich Si isotopes recently both experimentally and theoretically. We provide our study of $^{28-42}$Si by Skyrme-Hartree-Fock model with BCS approximation for the pairing…

Solar and Stellar Astrophysics · Physics 2013-05-14 A. Li , X. R. Zhou , H. Sagawa

The relativistic mean-field effective interaction with density-dependent meson-nucleon couplings DD-ME1 is tested in the calculation of deformed nuclei. Ground-state properties of six isotopic chains ($60\le Z \le 70$) in the region of…

Nuclear Theory · Physics 2009-11-10 T. Niksic , D. Vretenar , G. A. Lalazissis , P. Ring

In this article, we have presented the results for mode entanglement and its evolution in Ne, Mg, and Si isotopic chains. A detailed study has also been conducted on the role of nuclear forces with the assistance of the spin-tensor…

Nuclear Theory · Physics 2025-08-22 Rohit M. Shinde , Praveen C. Srivastava

Shape evolution of Zr nuclei are investigated by the axial Hartree-Fock (HF) calculations using the semi-realistic interaction M3Y-P6, with focusing on roles of the tensor force. Deformation at $N\approx 40$ is reproduced, which has not…

Nuclear Theory · Physics 2019-01-30 S. Miyahara , H. Nakada