On double magicity of the 28 68 Ni40 nucleus

Беспалова, О. В.; Boboshin, I. N.; Варламов, В.В.; Ermakova, T. A.; Ishkhanov, B. S.; Romanovskii, E.A.; Spasskaya, T. I.; Timokhina, T. P.

doi:10.3103/s1062873807030276

Cited by 4 publications

(12 citation statements)

References 4 publications

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“…Note that the estimates of the energies of the single-particle states of Ref. [65] coincide within the estimation errors (given in Table II in paren- theses) with the values reported in Ref. [56], except for the energy of the 1g 7/2 proton state.…”

Section: Resultssupporting

confidence: 82%

“…[56] (A) and [65] (B) [see also Table II]. Note that the size of the Z = 82 shell gap in 208 Pb is almost the same in both calculations.…”

Section: Resultsmentioning

confidence: 97%

“…This is illustrated in Table II where the results of the extrapolations of Refs. [56,65] are shown. Note that the estimates of the energies of the single-particle states of Ref.…”

Section: Resultsmentioning

confidence: 99%

“…It is reasonable to expect the same situation for the neutron N = 50 shell gap, the size of which, however, cannot be determined in the extrapolations of Ref. [65] since no estimates for the single-particle states below it are provided (see Table II). …”

Section: The Impact Of Particle-vibration Coupling On Shell Gapsmentioning

confidence: 86%

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Dynamics of nuclear single-particle structure in covariant theory of particle-vibration coupling: From light to superheavy nuclei

2011

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The impact of particle-vibration coupling and polarization effects due to deformation and timeodd mean fields on single-particle spectra is studied systematically in doubly magic nuclei from low mass 56 Ni up to superheavy ones. Particle-vibration coupling is treated fully self-consistently within the framework of relativistic particle-vibration coupling model. Polarization effects due to deformation and time-odd mean field induced by odd particle are computed within covariant density functional theory. It has been found that among these contributions the coupling to vibrations makes a major impact on the single-particle structure. The impact of particle-vibration coupling and polarization effects on calculated single-particle spectra, the size of the shell gaps, the spin-orbit splittings and the energy splittings in pseudospin doublets is discussed in detail; these physical observables are compared with experiment. Particle-vibration coupling has to be taken into account when model calculations are compared with experiment since this coupling is responsible for observed fragmentation of experimental levels; experimental spectroscopic factors are reasonably well described in model calculations.

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Section: Resultssupporting

confidence: 82%

“…[56] (A) and [65] (B) [see also Table II]. Note that the size of the Z = 82 shell gap in 208 Pb is almost the same in both calculations.…”

Section: Resultsmentioning

confidence: 97%

“…This is illustrated in Table II where the results of the extrapolations of Refs. [56,65] are shown. Note that the estimates of the energies of the single-particle states of Ref.…”

Section: Resultsmentioning

confidence: 99%

Section: The Impact Of Particle-vibration Coupling On Shell Gapsmentioning

confidence: 86%

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Dynamics of nuclear single-particle structure in covariant theory of particle-vibration coupling: From light to superheavy nuclei

2011

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“…According to Eqs. (13) and (14), we have 2π λ|H |m m |H |λ (22) where ϕ λ (x) are the solutions of Eq. (18) that are normalized to unity and the quantity Γ ↓ has the meaning of the energy-dependent fragmentation width of single-hole states, which depends only slightly on the state.…”

Section: Basic Relationsmentioning

confidence: 99%

On an optical-model description of the relaxation of deep hole states in medium-heavy-mass spherical nuclei

2014

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Dispersive optical potential for nuclei with N and Z values changing toward the nucleon drip lines

2015

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A method for constructing dispersive optical potentials is proposed for calculating singleparticle energies in isotopic chains of spherical and nearly spherical nuclei up to nucleon drip lines. The potential of this method is demonstrated by calculating the neutron and proton single-particle energies in calcium, nickel, and zirconium isotopes. The results agree well with experimental data available for stable isotopes. Predictive calculations of single-particle spectra are performed for isotopes lying far from the beta-stability valley. A comparison of the results with the energies of nucleon separation from nuclei of mass number A and A + 1 revealed features of the single-particle spectrum that are characteristic of nuclei containing classical and nonclassical magic numbers of nucleons.

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On double magicity of the 28 68 Ni40 nucleus

Cited by 4 publications

References 4 publications

Dynamics of nuclear single-particle structure in covariant theory of particle-vibration coupling: From light to superheavy nuclei

Dynamics of nuclear single-particle structure in covariant theory of particle-vibration coupling: From light to superheavy nuclei

On an optical-model description of the relaxation of deep hole states in medium-heavy-mass spherical nuclei

Dispersive optical potential for nuclei with N and Z values changing toward the nucleon drip lines

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