Pairing interaction in exotic nuclei: Finite range or zero range?

1998 ◽  
Vol 57 (3) ◽  
pp. 1229-1232 ◽  
Author(s):  
J. Meng
Keyword(s):  
Exotic Nuclei ◽  
Finite Range ◽  
Pairing Interaction ◽  
Zero Range

COLD NEUTRON AND NUCLEAR MATTER WITH EFFECTIVE AND REALISTIC INTERACTIONS

1996 ◽  
Vol 05 (02) ◽  
pp. 353-364 ◽  
Author(s):  
J. VENTURA ◽  
A. POLLS ◽  
X. VIÑAS ◽  
M. PI
Keyword(s):  
Equation Of State ◽  
Nuclear Matter ◽  
Asymmetry Parameter ◽  
Cold Neutron ◽  
Finite Range ◽  
Effective Interactions ◽  
Asymmetric Nuclear Matter ◽  
Hartree Fock ◽  
Range Type ◽  
Zero Range

A study of the equation of state (EOS) for cold asymmetric nuclear matter and beta-stable matter using effective interactions, of zero range (Skyrme type) and finite range type (D1-Gogny), is performed in the Hartree-Fock approach. The results are systematically compared with recent microscopic calculations. Two parametrizations of the energy of asymmetric nuclear matter in terms of the asymmetry parameter are tested in the case of effective interactions. While all forces agree rather well for nuclear matter, some discrepancies appear for neutron matter revealing the different spin-isospin contents of the interactions.

FINITE-RANGE SEPARABLE PAIRING INTERACTION WITHIN NEW N[sup 3]LO DFT APPROACH

2011 ◽  
Author(s):  
P. Veselý ◽  
J. Dobaczewski ◽  
N. Michel ◽  
J. Toivanen ◽  
Paraskevi Demetriou ◽  
...  
Keyword(s):  
Finite Range ◽  
Pairing Interaction

scholarly journals Finite-range separable pairing interaction in Cartesian coordinates

2020 ◽  
Vol 1643 ◽  
pp. 012144
Author(s):  
A. M. Romero ◽  
J. Dobaczewski ◽  
A. Pastore
Keyword(s):  
Finite Range ◽  
Pairing Interaction ◽  
Cartesian Coordinates

scholarly journals Finite-range separable pairing interaction within the new N3LO DFT approach

2011 ◽  
Vol 267 ◽  
pp. 012027 ◽  
Author(s):  
P Veselý ◽  
J Dobaczewski ◽  
N Michel ◽  
J Toivanen
Keyword(s):  
Finite Range ◽  
Pairing Interaction

MICROSCOPIC STUDY OF THE EFFECT OF HEXADECAPOLE DEFORMATION ON BOTH FUSION CROSS-SECTION AND BARRIER DISTRIBUTION

2000 ◽  
Vol 15 (38n39) ◽  
pp. 2315-2326 ◽  
Author(s):  
M. ISMAIL ◽  
A. SH. GHAZAL
Keyword(s):  
Cross Section ◽  
Fusion Cross Section ◽  
Heavy Ion ◽  
Nucleon Nucleon ◽  
Finite Range ◽  
Zero Range ◽  
Barrier Distribution ◽  
Nucleon Nucleon Interaction ◽  
The Difference ◽  
Double Folding

The interaction potential for deformed-spherical nuclear pair is derived microscopically in the framework of double folding model with M3Y-Paris nucleon–nucleon interaction. The heavy target nucleus 238 U together with the light projectile nucleus 16 O are considered as an example. The exchange part of the heavy ion (HI) potential has been calculated using finite-range exchange NN force instead of the zero-range pseudoforce. Neutron thickness and the difference in kinetic energy densities between neutrons and protons have been taken into consideration in calculating the exchange HI potential. For this pair the fusion cross-section as well as the barrier distribution are calculated. These calculations have been done using three different values of hexadecapole deformation parameter of 238 U . The effect of using both the finite-range exchange NN force and the hexadecapole deformation on the fusion cross-section and the barrier distribution have been discussed.

scholarly journals PAIRING PROPERTIES OF SUPERHEAVY NUCLEI

2007 ◽  
Vol 16 (02) ◽  
pp. 310-319 ◽  
Author(s):  
A. STASZCZAK ◽  
J. DOBACZEWSKI ◽  
W. NAZAREWICZ
Keyword(s):  
Energy Density ◽  
Density Dependence ◽  
Density Functional ◽  
Specific Form ◽  
Superheavy Nuclei ◽  
Pairing Interaction ◽  
Energy Density Functional ◽  
Hartree Fock ◽  
Zero Range ◽  
The Impact

Pairing properties of even-even superheavy N = 184 isotones are studied within the Skyrme-Hartree-Fock+BCS approach. In the particle-hole channel we take the Skyrme energy density functional SLy4, while in the particle-particle channel we employ the seniority pairing force and zero-range δ-interactions with different forms of density dependence. We conclude that the calculated static fission trajectories weakly depend on the specific form of the δ-pairing interaction. We also investigate the impact of triaxiality on the inner fission barrier and find a rather strong Z dependence of the effect.

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