Neutron–proton interaction, bubble structure and neutron skin properties of Co in a Supernova
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DOI: 10.1007/s12648-021-02008-1
Abstract: In the present paper, we investigated the neutron skin properties, central depletion effects, residual and average neutron–proton interactions for Co in a Type II Supernova 1987A. The neutron skin thicknesses performed by Skyrme–Hartree–Fock model for… read more here.
Keywords: neutron proton; neutron; skin properties; neutron skin ... See more keywords
Neutron-proton isovector pairing correlations treatment in heated nuclei within the path integral formalism
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DOI: 10.1088/1674-1137/adc4cb
Abstract: A method for the treatment of the neutron-proton (np) isovector pairing correlations at finite temperature is developed within the path integral formalism. It generalizes the recently proposed model using a similar approach for pairing between… read more here.
Keywords: formalism; within path; proton isovector; isovector pairing ... See more keywords
Investigation of the neutron-proton effective mass splitting via heavy ion collisions: Constraints and implications
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DOI: 10.1103/lcmj-grrq
Abstract: The neutron-proton effective mass splitting ($\Delta m^*_{np}$) is investigated through analyses of heavy-ion collisions using the improved quantum molecular dynamics (ImQMD) model with both standard and extended Skyrme interactions. By uncovering the strong correlation between… read more here.
Keywords: mass splitting; heavy ion; ion collisions; neutron proton ... See more keywords
Impact of tensor forces on spin-orbit splittings in neutron-proton drops
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DOI: 10.1103/physrevc.102.034322
Abstract: A systematic study of the tensor-force impact in neutron-proton drops has been reported using the relativistic Hartree-Fock (RHF) theory with the $\ensuremath{\pi}\text{\ensuremath{-}}N$ coupling strength optimized to the relativistic Brueckner-Hartree-Fock (RBHF) results for neutron drops. The… read more here.
Keywords: neutron proton; proton; spin orbit; proton drops ... See more keywords
Unexpected neutron/proton ratio and isospin effect in low-energy antiproton induced reactions
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DOI: 10.1103/physrevc.96.034607
Abstract: The inclusive spectra of preequilibrium nucleons produced in low-energy antiproton-nucleus collisions are thoroughly investigated within the framework of the Lanzhou quantum molecular dynamics model for the first time. All possible reaction channels such as elastic… read more here.
Keywords: neutron proton; energy antiproton; low energy; energy ... See more keywords
Generic features of the neutron-proton interaction
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DOI: 10.1103/physrevc.97.041302
Abstract: We show that fully aligned neutron-proton pairs play a crucial role in the low-energy spectroscopy of nuclei. with valence nucleons in a high-j orbital. Their dominance is valid in nuclei with valence neutrons and protons… read more here.
Keywords: features neutron; neutron proton; proton interaction; generic features ... See more keywords
Isoscalar neutron-proton pairing and SU(4)-symmetry breaking in Gamow-Teller transitions
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DOI: 10.1103/physrevc.97.054326
Abstract: The isoscalar neutron-proton pairing is thought to be important for nuclei with equal number of protons and neutrons but its manifestation in structure properties remains to be understood. We investigate the Gamow-Teller (GT) transitions for… read more here.
Keywords: isoscalar neutron; neutron proton; proton pairing; gamow teller ... See more keywords
Skyrme functional with tensor terms from ab initio calculations of neutron-proton drops
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DOI: 10.1103/physrevc.99.034322
Abstract: A new Skyrme functional devised to account well for standard nuclear properties as well as for spin and spin-isospin properties is presented. The main novelty of this work relies on the introduction of tensor terms… read more here.
Keywords: tensor terms; neutron proton; calculations neutron; resonance ... See more keywords