NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = L.N.Savushkin Found 39 matches. 2018LO05 Nucl.Phys. A971, 149 (2018) M.Lopez-Quelle, S.Marcos, R.Niembro, L.N.Savushkin Tensor force effect on the evolution of single-particle energies in some isotopic chains in the relativistic Hartree-Fock approximation NUCLEAR STRUCTURE 40,42,44,46,48Ca;116,118,120,122,124,126,128,130,132Sn; calculated sp energy, J of orbitals in the SO (Spin-Orbit) and PSO (Pseudo-Spin Orbit) doublets using nonlinear self-consistent relativistic Hartree-Fock approximation combined with BCS, with and without pairing correlations; deduced mutual dependence on the evolution of the shell closure gap Z=50, pairing correlations playing in opposite direction of the tensor term of one-pion-exchange force.
doi: 10.1016/j.nuclphysa.2018.01.012
2012MA61 Phys.Atomic Nuclei 75, 1486 (2012) S.Marcos, M.Lopez-Quelle, R.Niembro, L.N.Savushkin Nuclear relativistic hartree-fock approximation with effective pions NUCLEAR STRUCTURE 208Pb, 132Sn, 90Zr, 48Ca, 22O; calculated level energies, J, π; deduced πN PS coupling. Shell model calculations. Comparison with available data.
doi: 10.1134/S1063778812110166
2012NI07 Phys.Atomic Nuclei 75, 269 (2012) R.Niembro, S.Marcos, M.Lopez-Quelle, L.N.Savushkin Isotopic dependence of the nuclear charge radii and binding energies in the relativistic Hartree-Fock formalism NUCLEAR STRUCTURE 16O, 40,48Ca, 84Sr, 116,124,132Sn, 204,208,214Pb; calculated nuclear charge radius, energy per nucleon, isotopic evolution of charge radii. Relativistic nonlinear models, Hartree and Hartree-Fock approximations.
doi: 10.1134/S1063778812020159
2010LI08 Phys.Rev. C 81, 034311 (2010) Z.P.Li, J.Meng, Y.Zhang, S.G.Zhou, L.N.Savushkin Single-particle resonances in a deformed Dirac equation
doi: 10.1103/PhysRevC.81.034311
2008MA40 Eur.Phys.J. A 37, 251 (2008) S.Marcos, M.Lopez-Quelle, R.Niembro, L.N.Savushkin Pseudospin symmetry as an accidental symmetry in the relativistic framework NUCLEAR STRUCTURE 40Ca, 208Pb; calculated pseudospin doublets energies, configurations, related features using relativistic framework of the Dirac equation.
doi: 10.1140/epja/i2008-10619-1
2007MA93 Eur.Phys.J. A 34, 429 (2007) S.Marcos, M.Lopez-Quelle, R.Niembro, L.N.Savushkin Pseudospin symmetry in the Dirac phenomenology
doi: 10.1140/epja/i2007-10515-2
2006SA31 Phys.Atomic Nuclei 69, 1233 (2006) L.N.Savushkin, S.Marcos, M.Lopez-Quelle, R.Niembro Pseudospin Symmetry in Finite Nuclei
doi: 10.1134/S1063778806070222
2005LO11 J.Phys.(London) G31, S1911 (2005) M.Lopez-Quelle, L.N.Savushkin, S.Marcos, R.Niembro Pseudospin symmetry in finite nuclei within the relativistic Hartree-Fock framework NUCLEAR STRUCTURE 208Pb; calculated pseudospin doublets energies, configurations, related features. Relativistic Hartree-Fock framework.
doi: 10.1088/0954-3899/31/10/100
2005MA82 J.Phys.(London) G31, S1551 (2005) S.Marcos, M.Lopez-Quelle, R.Niembro, L.N.Savushkin The pseudospin symmetry in atomic nuclei NUCLEAR STRUCTURE 208Pb; calculated pseudospin doublet energies, related features. Relativistic mean-field framework.
doi: 10.1088/0954-3899/31/10/030
2005MB03 Eur.Phys.J. A 26, 253 (2005) S.Marcos, V.N.Fomenko, M.Lopez-Quelle, R.Niembro, L.N.Savushkin The spin and pseudospin symmetries in the relativistic formalism: Similarities and differences NUCLEAR STRUCTURE 40Ca; calculated neutron wave functions, role of spin and pseudospin symmetries, symmetry breaking effects.
doi: 10.1140/epja/i2005-10177-0
2004MA40 J.Phys.(London) G30, 703 (2004) S.Marcos, L.N.Savushkin, V.N.Fomenko, M.Lopez-Quelle, R.Niembro Description of nuclear systems within the relativistic Hartree-Fock method with zero-range self-interactions of the scalar field NUCLEAR STRUCTURE 16O, 40,48Ca, 90Zr, 208Pb; calculated binding energies, radii, charge distributions, single-particle energy levels. Hartree-Fock method, zero-range self-interactions.
doi: 10.1088/0954-3899/30/6/002
2004MA45 Eur.Phys.J. A 20, 443 (2004) S.Marcos, M.Lopez-Quelle, R.Niembro, L.N.Savushkin Origin of the pseudospin symmetry in the relativistic formalism NUCLEAR STRUCTURE 40Ca, 208Pb; calculated wave functions, pseudospin symmetry features. Extended Dirac equation.
doi: 10.1140/epja/i2003-10160-9
2003LO12 Nucl.Phys. A727, 269 (2003) M.Lopez-Quelle, L.N.Savushkin, S.Marcos, P.Bernardos, R.Niembro Pseudo-spin-orbit potential in the relativistic Hartree-Fock formalism NUCLEAR STRUCTURE 40,48Ca; calculated pseudo-spin-orbit potentials, wave functions. Relativistic Hartree-Fock approximation.
doi: 10.1016/j.nuclphysa.2003.07.012
2003MA21 Eur.Phys.J. A 17, 173 (2003) S.Marcos, M.Lopez-Quelle, R.Niembro, L.N.Savushkin, P.Bernardos Reliability of the pseudospin symmetry in atomic nuclei NUCLEAR STRUCTURE 40Ca; calculated single-particle energies, pseudospin symmetry features.
doi: 10.1140/epja/i2002-10150-5
2001BE03 J.Phys.(London) G27, 147 (2001) P.Bernardos, V.N.Fomenko, S.Marcos, R.Niembro, M.Lopez-Quelle, L.N.Savushkin Application of an Effective Gauge-Invariant MOdel to Nuclear Matter in the Relativistic Hartree-Fock Approximation
doi: 10.1088/0954-3899/27/2/301
2001MA49 Phys.Lett. 507B, 135 (2001) S.Marcos, L.N.Savushkin, M.Lopez-Quelle, R.Niembro, P.Bernardos On the Relativistic Origin of the Kink Effect in the Chain of Pb Isotopes NUCLEAR STRUCTURE 206,208,210Pb; calculated charge radii; deduced kink effect mechanism. Relativistic mean field theory.
doi: 10.1016/S0370-2693(01)00460-9
2001MA65 Phys.Lett. 513B, 30 (2001) S.Marcos, M.Lopez-Quelle, R.Niembro, L.N.Savushkin, P.Bernardos On the Sufficient Conditions for the Pseudospin Symmetry in Relativistic Models NUCLEAR STRUCTURE 40Ca, 208Pb; calculated single-particle energies, effect of pseudospin symmetry breaking term. Relativistic Hartree approximation.
doi: 10.1016/S0370-2693(01)00737-7
2000LO07 Phys.Rev. C61, 064321 (2000) M.Lopez-Quelle, N.Van Giai, S.Marcos, L.N.Savushkin Spin-Orbit Splitting in Nonrelativistic and Relativistic Self-Consistent Models NUCLEAR STRUCTURE O, Ca, Sn; calculated proton spin-orbit splitting vs mass. Relativistic and nonrelativistic mean field approaches, comparisons with data.
doi: 10.1103/PhysRevC.61.064321
2000MA91 Phys.Rev. C62, 054309 (2000) S.Marcos, L.N.Savushkin, M.Lopez-Quelle, P.Ring Pseudo Spin-Orbit Potential in Relativistic Self-Consistent Models NUCLEAR STRUCTURE 40Ca; calculated pseudo spin-orbit potential, level splitting; deduced role of scalar meson mass, compressibility modulus. Relativistic Hartree formalism.
doi: 10.1103/PhysRevC.62.054309
1998NI14 J.Phys.(London) G24, 1945 (1998) R.Niembro, V.N.Fomenko, L.N.Savushkin, M.Lopez-Quelle, S.Marcos, P.Bernardos Nuclear Matter Calculations with a Pseudoscalar-Pseudovector Chiral Model
doi: 10.1088/0954-3899/24/10/010
1997FO10 Yad.Fiz. 60, No 12, 2149 (1997); Phys.Atomic Nuclei 60, 1967 (1997) V.N.Fomenko, S.Marcos, P.Ring, L.N.Savushkin Application of the Effective Gauge-Invariant Nuclear Lagrangian to Nuclear Matter and Finite Nuclei NUCLEAR STRUCTURE 16O, 40,48Ca, 90Zr, 208Pb; calculated charge densities, single-particle spectra. Chiral approach.
1997SA02 Phys.Rev. C55, 167 (1997) L.N.Savushkin, S.Marcos, M.L.Quelle, P.Bernardos, V.N.Fomenko, R.Niembro Effective Interaction for Relativistic Theory of Nuclear Structure NUCLEAR STRUCTURE 16O, 40Ca; calculated single particle energies, binding energy per nucleon charge radii. Relativistic Hartree-Fock approach, relevant effective interaction.
doi: 10.1103/PhysRevC.55.167
1996BE07 J.Phys.(London) G22, 361 (1996) P.Bernardos, V.N.Fomenko, M.L.Quelle, S.Marcos, R.Niembro, L.N.Savushkin Investigation of a σ + ω + ρ + a Chiral Model in a Relativistic Hartree-Fock Approximation to Asymmetric Nuclear Matter
doi: 10.1088/0954-3899/22/3/009
1995FO07 J.Phys.(London) G21, 53 (1995) V.N.Fomenko, L.N.Savushkin, S.Marcos, R.Niembro, M.L.Quelle Investigations of the Scalar Field Self-Interactions Generated by a Chiral Model in the Hartree-Fock Approach to Nuclear Structure NUCLEAR STRUCTURE 4He, 16O, 40,48Ca; calculated binding energy per nucleon, charge radius, charge density distributions (in some cases). Chiral model in Hartree-Fock approach, normal, abnormal solutions.
doi: 10.1088/0954-3899/21/1/007
1995FO17 Yad.Fiz. 58, No 2, 258 (1995); Phys.Atomic Nuclei 58, 214 (1995) V.N.Fomenko, L.N.Savushkin, S.Marcos, R.Niembro, M.L.Quelle Investigations of Scalar-Field Self-Interactions Generated by a Chiral Model in the Hartree-Fock Approach to Nuclear Structure NUCLEAR STRUCTURE 16O, 12C, 4He; calculated binding energy per nucleon, rms charge radius, other aspects; deduced exchange effects role in chiral theory.
1995NG01 Phys.Rev. C52, 2266 (1995) Nguyen Van Giai, J.Van de Wiele, L.N.Savushkin Can One See Coulomb-Nuclear Interference Effects in Nucleon-Nucleus Scattering ( Question ) NUCLEAR REACTIONS 40Ca(n, n), (p, p), (polarized p, p), (polarized n, n), E=160 MeV; calculated σ(θ), polarization vs θ, spin-rotation parameter vs θ; deduced elusive nature of Coulomb-nuclear interference term. Relativistic, nonrelativistic approach comparison.
doi: 10.1103/PhysRevC.52.2266
1994FO10 Nucl.Phys. A579, 438 (1994) V.N.Fomenko, P.Ring, L.N.Savushkin Effective Gauge-Invariant Nuclear Lagrangian
doi: 10.1016/0375-9474(94)90917-2
1993BE47 Phys.Rev. C48, 2665 (1993) P.Bernardos, V.N.Fomenko, V.G.Nguyen, M.L.Quelle, S.Marcos, R.Niembro, L.N.Savushkin Relativistic Hartree-Fock Approximation in a Nonlinear Model for Nuclear Matter and Finite Nuclei NUCLEAR STRUCTURE 16O, 90Zr, 40,48Ca, 208Pb; calculated charge distributions. Relativistic Hartree-Fock approximation, nonlinear model.
doi: 10.1103/PhysRevC.48.2665
1993FO02 J.Phys.(London) G19, 545 (1993) V.N.Fomenko, S.Marcos, L.N.Savushkin Investigation of a Chiral Model in the Framework of a Relativistic Self-Consistent Calculation for Atomic Nuclei NUCLEAR STRUCTURE 16O; calculated total binding energy, charge density distribution, rms charge radii, single particle binding energy. Relativistic chiral model.
doi: 10.1088/0954-3899/19/4/010
1992MA35 Yad.Fiz. 55, 1848 (1992); Sov.J.Nucl.Phys. 55, 1023 (1992) S.Marcos, L.N.Savushkin, V.N.Fomenko Study of the Chiral Model in the Framework of a Relativistic Self-Consistent Calculation of Finite Nuclei NUCLEAR STRUCTURE 16O, 40Ca; calculated charge density distributions, self-consistent potentials, rms charge radii. Relativistic self-consistent Hartree approximations.
1992MA45 Nucl.Phys. A549, 143 (1992) S.Marcos, N.Van Giai, L.N.Savushkin Coulomb Displacement Energies in Relativistic and Non-Relativistic Self-Consistent Models NUCLEAR STRUCTURE 15,17O, 15N, 17F, 39Ca, 39K, 41Sc, 41Ca; calculated Coulomb displacement energies. Dirac-Hartree, Skyrme-Hartree-Fock models.
doi: 10.1016/0375-9474(92)90071-Q
1992NG02 Fiz.Elem.Chastits At.Yadra 23, 847 (1992); Sov.J.Part.Nucl. 23, 373 (1992) Systematics of Nuclear Properties in the Framework of Relativistic Self-Consistent Models NUCLEAR STRUCTURE 16O, 48,40Ca, 90Zr, 208Pb; calculated binding energies, charge radii, neutron, proton radii differences, charge densities and response functions in some cases. Self-consistent relativistic theory.
1983BI09 Yad.Fiz. 38, 44 (1983) B.L.Birbrair, L.N.Savushkin, V.N.Fomenko Vector-Meson Dominance and the Coulomb Nuclear Potential NUCLEAR STRUCTURE 16O, 40,48Ca; calculated Fermi surface, nucleon matter, charge distributions. Coulomb, nuclear potentials, dominant vector meson model.
1982PO11 Izv.Akad.Nauk SSSR, Ser.Fiz. 46, 874; Bull.Acad.Sci.USSR, Phys.Ser. 46, No.5, 38 (1982) A.V.Pozdnyakov, L.N.Savushkin, V.T.Ippolitov On the Nucleon Optical Potential in the One-Boson Exchange Model NUCLEAR REACTIONS 208Pb(n, n), E=1-16 MeV; calculated σ(E). Optical model, one boson exchange.
1979SA30 Yad.Fiz. 30, 660 (1979); Sov.J.Nucl.Phys. 30, 340 (1979) A Relativistic Self-Consistent Nuclear Model NUCLEAR STRUCTURE 16O; calculated separation energies, spin-orbit splitting, rms radii. Relativistic, self-consistent model.
1974KR05 J.Phys.(London) A7, 372 (1974) V.A.Krutov, V.N.Fomenko, L.N.Savushkin Scheme of the Approximate Relativistic Theory of the Nucleus I. Calculation of the Single-Particle Basis Hamiltonian from Internucleon Interactions NUCLEAR STRUCTURE 41Ca, 209Pb; calculated average field, spin-orbit splitting, isobaric spin potential.
doi: 10.1088/0305-4470/7/3/008
1973KR03 J.Phys.(London) A6, 93 (1973) Relativity and Spin-Orbit Interaction in Nuclei NUCLEAR STRUCTURE 41Ca, 209Pb; calculated levels, doublet splittings of single-particle levels; analyzed spin-orbit, relativistic effects.
doi: 10.1088/0305-4470/6/1/009
1971SA35 Vestn.Leningrad.Univ., No.22, Fiz., Khim. No.4, 57 (1971) Relativity and M1 Gamma Transitions in Nuclei
1969KR11 J.Phys., A (London) 2, 463 (1969) The Isobaric-Spin Potential in Heavy Deformed Nuclei
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