NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = N.Sandulescu Found 90 matches. 2023PO01 Phys.Rev. C 107, 034318 (2023) T.Popa, N.Sandulescu, M.Sambataro Excited states of zero seniority based on a pair condensate NUCLEAR STRUCTURE 108Sn; calculated energy levels with J=0, J, π, occupation probabilities of single-particle states. Investigated the properties of excited states of zero seniority generated from the ground-state pair condensate. Comparison to experimental data.
doi: 10.1103/PhysRevC.107.034318
2023SA15 Eur.Phys.J. A 59, 87 (2023) Intrinsic quartet states and band-like structures in N = Z nuclei NUCLEAR STRUCTURE 24Mg, 28Si, 48Cr; analyzed available data; deduced level energies, J, π, the emergence of band-like structures in N=Z nuclei in terms of quartet-based intrinsic states.
doi: 10.1140/epja/s10050-023-01003-w
2023SA28 Nucl.Phys. A1036, 122675 (2023) M.Sambataro, N.Sandulescu, D.Gambacurta Coexistence of quartets and pairs in even-even N>Z nuclei NUCLEAR STRUCTURE 22,24,26,28Ne, 24,26,28,30Mg, 28,30,32Si, 46,48,50,52Ti, 48,50,52,54Cr; analyzed the structure of the ground states of even-even nuclei; deduced occupation probabilities of the single-particle orbits, description of the ground states of these nuclei as a product of two terms, one representing the proton-neutron subsystem with an equal number of protons and neutrons and the other one associated with the excess neutrons.
doi: 10.1016/j.nuclphysa.2023.122675
2022NE02 Phys.Rev. C 105, 034325 (2022) D.Negrea, N.Sandulescu, D.Gambacurta Proton-neutron pairing and binding energies of nuclei close to the N=Z line NUCLEAR STRUCTURE 24,26,28Mg, 28,30,32Si, 32,34,36S, 36,38,40Ar, 40,42,44Ca, 44,46,48Ti, 48,50,52Cr, 52,54,56Fe, 56,58,60Ni, 60,62,64Zn, 64,66,68Ge, 68,70,72Se, 72,74,76Kr, 76,78,80Sr, 80,82,84Zr, 84,86,88Mo, 88,90,92Ru, 92,94,96Pd, 96,98,100Cd, 100Sn; calculated binding energies for N=Z, N=Z+2 and N=Z+4 nuclei using different pairing forces and approximations, interaction energies and pairing energies, and compared with experimental binding energies; analyzed contribution of isovector and isoscalar proton-neutron pairing to the binding energies of even-even nuclei. 64Ge; calculated pairing energy, interaction energy and self-energy, diagonal and nondiagonal matrix elements of the isovector and isoscalar pairing force. Mean-field approach with Skyrme-type functional and quartet condensation model (Skyrme-HF+QCM calculations).
doi: 10.1103/PhysRevC.105.034325
2022SA38 Phys.Lett. B 827, 136987 (2022) Band-like structures and quartets in deformed N = Z nuclei NUCLEAR STRUCTURE 24Mg, 28Si, 48Cr; calculated energy levels, J, π using the formalism of α-like quartets. Comparison with available data.
doi: 10.1016/j.physletb.2022.136987
2021SA60 Phys.Lett. B 820, 136476 (2021) α-Like quartetting in the excited states of proton-neutron pairing Hamiltonians NUCLEAR STRUCTURE 28Si; calculated energy levels, J, π using the quartet condensation model (QCM). Comparison with available data.
doi: 10.1016/j.physletb.2021.136476
2020BA57 Phys.Rev. C 102, 061301 (2020) V.V.Baran, D.R.Nichita, D.Negrea, D.S.Delion, N.Sandulescu, P.Schuck Bridging the quartet and pair pictures of isovector proton-neutron pairing
doi: 10.1103/PhysRevC.102.061301
2020SA50 J.Phys.(London) G47, 045112 (2020) Exact T = 0 eigenstates of the isovector pairing Hamiltonian
doi: 10.1088/1361-6471/ab6ee2
2018LA09 Phys.Rev. C 98, 014310 (2018) R.-D.Lasseri, J.-P.Ebran, E.Khan, N.Sandulescu Localization of pairing correlations in nuclei within relativistic mean field models NUCLEAR STRUCTURE 66Ni, 124Sn, 200Pb; calculated ground state energies, rms neutron radii, pairing energies, mean distance between two neutrons, average coherence lengths for pairing tensor and Cooper pair wave function, and two-body correlation functions. 120Sn; calculated coherence length for various intensities of the pairing force, and uivi for single-particle states. Relativistic Hartree-Bogoliubov (RHB) and relativistic mean field (RMF) plus projected BCS (RHB+RMF+PBCS) models.
doi: 10.1103/PhysRevC.98.014310
2018NE10 Phys.Rev. C 98, 064319 (2018) D.Negrea, P.Buganu, D.Gambacurta, N.Sandulescu Isovector and isoscalar proton-neutron pairing in N > Z nuclei NUCLEAR STRUCTURE 20,22,24,26Ne, 24,26,28,30Mg, 28,30,32,34Si, 44,46,48,50Ti, 48,50,52,54Cr, 52,54,56,58Fe, 104,106,108,110Te, 108,110,112,114Xe, 112,114,116,118Ba; calculated isovector and isoscalar nucleon pairing energies, and errors in the correlation energies using extended quartet condensation model (QCM) applied for a set of nucleons moving in a fixed mean field generated by Skyrme-HF calculations.
doi: 10.1103/PhysRevC.98.064319
2018SA50 Phys.Lett. B 786, 11 (2018) Quartet structure of N=Z nuclei in a boson formalism: The case of 28Si NUCLEAR STRUCTURE 28Si; calculated energy levels, J, π, potential energy surfaces, B(E2). Comparison with experimental data.
doi: 10.1016/j.physletb.2018.09.011
2017NE07 Prog.Theor.Exp.Phys. 2017, 073D05 (2017) D.Negrea, N.Sandulescu, D.Gambacurta Isovector and isoscalar pairing in odd-odd N = Z nuclei within a quartet approach NUCLEAR STRUCTURE N=8-32; calculated energy difference between the lowest T=1 and T=0 isospin states as function of N=Z=A/2, pairing energies.
doi: 10.1093/ptep/ptx071
2017SA13 Eur.Phys.J. A 53, 47 (2017) Quartet correlations in N = Z nuclei induced by realistic two-body interactions NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 32S; calculated total energy, binding energy, correlation energy, mass excess using gs correlations in terms of condensate of α-like quartets. Compared with other calculations.
doi: 10.1140/epja/i2017-12240-7
2016SA22 Phys.Rev. C 93, 054320 (2016) Isoscalar-isovector proton-neutron pairing and quartet condensation in N=Z nuclei NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 44Ti, 48Cr, 52Fe, 104Te, 108Xe, 112Ba; calculated ground-state correlation energies, isovector (T=1) and isoscalar (T=0) pairing energies for N=Z nuclei using alpha-like quartet condensation model (QCM); deduced coexistence of isovector and isoscalar proton-neutron pairing correlations. Comparison of calculations with various pairing Hamiltonians.
doi: 10.1103/PhysRevC.93.054320
2015SA23 Phys.Rev. C 91, 064318 (2015) Quarteting and spin-aligned proton-neutron pairs in heavy N=Z nuclei NUCLEAR STRUCTURE 92Pd, 96Cd; calculated levels, J, π, B(E2), squared overlaps between the QM low-lying yrast states and the corresponding eigenstates in the various QM approximations; deduced role of maximally aligned isoscalar pairs in heavy N=Z nuclei, in particular for J=9, using quartet model (QM).
doi: 10.1103/PhysRevC.91.064318
2015SA24 Rom.J.Phys. 60, 799 (2015) M.Sambataro, N.Sandulescu, C.W.Johnson Proton-Neutron Pairing in Self-Conjugate Nuclei in a Formalism of Quartets NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 32S, 44Ti, 48Cr, 52Fe, 104Te, 108Xe, 112Ba; calculated ground state correlation energies.
2015SA25 Rom.J.Phys. 60, 805 (2015) Pairing, Quartet Condensation and Wigner Energy in Nuclei NUCLEAR STRUCTURE A=20-104; calculated the strength of the symmetry energy term, isovector pairing interaction. Mean-field models.
2015SA34 Phys.Rev.Lett. 15, 112501 (2015) Four-Body Correlations in Nuclei NUCLEAR STRUCTURE 20Ne, 20F, 20O, 24Mg, 28Si, 92Pd; calculated energy levels, J, π, low-energy yrast spectra. Quartet and shell model approaches.
doi: 10.1103/PhysRevLett.115.112501
2015SA53 Phys.Lett. B 751, 348 (2015) N.Sandulescu, D.Negrea, D.Gambacurta Proton-neutron pairing in N = Z nuclei: Quartetting versus pair condensation NUCLEAR STRUCTURE 16O, 40Ca, 100Sn, 20Ne, 24Mg, 28Si, 44Ti, 48Cr, 52Fe, 104Te, 108Xe, 112Ba; calculated proton-neutron pairing and correlation energies using the pair-quartet condensation model (PQCM). Comparison with available data.
doi: 10.1016/j.physletb.2015.10.063
2015SA54 Phys.Lett. B 740, 137 (2015) M.Sambataro, N.Sandulescu, C.W.Johnson Isoscalar and isovector pairing in a formalism of quartets NUCLEAR STRUCTURE 16O, 40Ca, 100Sn, 20Ne, 24Mg, 28Si, 44Ti, 48Cr, 52Fe, 104Te, 108Xe, 112Ba; calculated ground state correlation energies for the isovector plus isoscalar pairing Hamiltonian in even-even N=Z nuclei in a formalism of alpha-like quartets. Comparison with available data.
doi: 10.1016/j.physletb.2014.11.036
2014NE10 Phys.Rev. C 90, 024322 (2014) Isovector proton-neutron pairing and Wigner energy in Hartree-Fock mean field calculations NUCLEAR STRUCTURE A=24-100; calculated even-even to odd-odd mass differences, strength of the symmetry energy term, contribution of the Wigner energy relative to standard symmetry energy. Isovector proton-neutron pairing in self-consistent mean field calculations, where mean field is generated by SkyrmeHartree-Fock functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.024322
2013GA38 Phys.Rev. C 88, 034324 (2013) D.Gambacurta, D.Lacroix, N.Sandulescu Pairing and specific heat in hot nuclei NUCLEAR STRUCTURE 161,162Dy, 171,172Yb; calculated neutron pairing gap as a function of temperature, neutron, proton and total specific heat capacities in the framework of particle-number projection BCS formalism extended to finite temperature (FT-VAP) with Hamiltonian generated by Skyrme-HF and RMF calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.034324
2013SA60 Phys.Rev. C 88, 061303 (2013) Isovector pairing in a formalism of quartets for N=Z nuclei NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 32S, 44Ti, 48Cr, 52Fe, 104Te, 108Xe, 112Ba; calculated ground-state correlation energies for spherical, and axially deformed single-particle states using pairing and isovector pairing force in N=Z nuclei. Quartet model (QM), and quartet condensation model (QCM).
doi: 10.1103/PhysRevC.88.061303
2012LE21 J.Phys.:Conf.Ser. 381, 012107 (2012) Y.Lei, S.Pittel, N.Sandulescu, A.Poves, B.Thakur, Y.M.Zhao Systematic study of proton-neutron pairing correlations in the nuclear shell model NUCLEAR STRUCTURE 44,46Ti, 48Cr; calculated levels, J, π, rotational ground-state band, mass excess. 48Cr calculated yrast band. Shell model including deformation, spin-orbit effects, isoscalar, isovector pairing. Compared to available data.
doi: 10.1088/1742-6596/381/1/012107
2012LE22 J.Phys.:Conf.Ser. 387, 012018 (2012) Y.Lei, S.Pittel, N.Sandulescu, A.Poves, B.Thakur, Y.M.Zhao Systematic study of isoscalar and isovector pairing in the 2p1f shell NUCLEAR STRUCTURE 44,46Ti, 48Cr; calculated levels, J, π, mass excess, ground band, yrast, yrare bands with isovector, isoscalar and SU(4) pairing. Levels compared with data.
doi: 10.1088/1742-6596/387/1/012018
2012SA24 Phys.Rev. C 85, 061303 (2012) N.Sandulescu, D.Negrea, J.Dukelsky, C.W.Johnson Quartet condensation and isovector pairing correlations in N=Z nuclei NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 32S, 44Ti, 48Cr, 52Fe, 104Te, 108Xe, 112Ba; calculated correlation energies for the exact shell model diagonalizations (SM), quartet condensation model (QCM), and the two PBCS approximations using isovector pairing forces extracted from standard shell model interactions with spherical single-particle states, and isovector pairing force of seniority type with axially-deformed single-particle states.
doi: 10.1103/PhysRevC.85.061303
2012SA47 Phys.Rev. C 86, 041302 (2012) N.Sandulescu, D.Negrea, C.W.Johnson Four-nucleon α-type correlations and proton-neutron pairing away from the N=Z line NUCLEAR STRUCTURE 20,22,24,26,28,30Ne, 24,26,28,30,32Mg, 28,30,32Si, 44,46,48,50Ti, 48,50,52,54Cr, 104,106,108,110,112Te, 108,110,112,114Xe; calculated pairing correlation energies using exact diagonalization, the quartet condensation model (QCM), and the PBCS1 approximation. Importance of four-nucleon correlations of α type in systems with neutron-proton pairing.
doi: 10.1103/PhysRevC.86.041302
2011GR19 Phys.Rev. C 84, 065801 (2011) F.Grill, J.Margueron, N.Sandulescu Cluster structure of the inner crust of neutron stars in the Hartree-Fock-Bogoliubov approach NUCLEAR STRUCTURE Z=12-60, N=82-1750; calculated neutron and proton densities, pairing gaps, HF binding energies, pairing correlations in the inner crust of neutron stars. SkyrmeHartree-Fock-Bogoliubov (HFB) calculations with zero-range density-dependent pairing forces by treating nuclear clusters in the Wigner-Seitz approximation.
doi: 10.1103/PhysRevC.84.065801
2011KH04 Int.J.Mod.Phys. E20, 387 (2011) Microscopic description of temperature and pairing effects in nuclei NUCLEAR STRUCTURE 84Ni, 124,130Sn; calculated specific heat. FT-HFB framework.
doi: 10.1142/S0218301311017764
2011LE27 Phys.Rev. C 84, 044318 (2011) Y.Lei, S.Pittel, N.Sandulescu, A.Poves, B.Thakur, Y.M.Zhao Systematic study of proton-neutron pairing correlations in the nuclear shell model NUCLEAR STRUCTURE 42Sc, 44,45,46Ti, 46V, 48Cr; calculated level energies, energy splittings, yrast and yrare bands, E2 transition matrix elements, proton-neutron pairing modes, isoscalar and isovector pairs. Parameterized Hamiltonian, shell-model framework. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.044318
2010FO12 Phys.Rev. C 82, 065804 (2010) M.Fortin, F.Grill, J.Margueron, D.Page, N.Sandulescu Thermalization time and specific heat of the neutron stars crust
doi: 10.1103/PhysRevC.82.065804
2010PI02 Phys.Rev. C 81, 034307 (2010) N.Pillet, N.Sandulescu, P.Schuck, J.-F.Berger Two-particle spatial correlations in superfluid nuclei NUCLEAR STRUCTURE 102Sr, 152Sm, 238U; calculated local and nonlocal parts of the pairing tensor, and coherence lengths. 60Ni, 120,136Sn, 212Pb; calculated pairing correlation energies and average pairing fields, and coherence lengths. Effect of pairing on two-neutron spatial correlations in deformed nuclei. Hartree-Fock Bogoliubov calculations with D1S Gogny force.
doi: 10.1103/PhysRevC.81.034307
2009SA39 Phys.Rev. C 80, 044335 (2009) N.Sandulescu, B.Errea, J.Dukelsky Isovector neutron-proton pairing with particle number projected BCS NUCLEAR STRUCTURE Z=4-10, N=4-10; calculated odd-even mass differences and correlation energies for N=Z nuclei using particle number projected BCS (PBCS) approximation.
doi: 10.1103/PhysRevC.80.044335
2008DU21 Int.J.Mod.Phys. E17, 2155 (2008) J.Dukelsky, B.Errea, S.H.Lerma, G.G.Dussel, C.Esebbag, N.Sandulescu Exactly solvable proton-neutron pairing Hamiltonians and quartet correlations
doi: 10.1142/S0218301308011264
2008PI07 Int.J.Mod.Phys. E17, Supplement 1, 122 (2008) S.Pittel, B.Thakur, N.Sandulescu The density matrix renormalization group and the nuclear shell model NUCLEAR STRUCTURE 48Cr, 56Ni; calculated ground state energy, lowest excited state energies, J, π.
doi: 10.1142/S021830130801180X
2008SA42 Phys.Rev. C 78, 064318 (2008) Accuracy of BCS-based approximations for pairing in small Fermi systems NUCLEAR STRUCTURE 117Sn, 207Pb; calculated neutron pairing gap. 116Sn, 206Pb; calculated pairing correlation energy. Number-projected BCS theory.
doi: 10.1103/PhysRevC.78.064318
2008TH06 Phys.Rev. C 78, 041303 (2008) B.Thakur, S.Pittel, N.Sandulescu Density matrix renormalization group study of 48Cr and 56Ni NUCLEAR STRUCTURE 48Cr, 56Ni; calculated energies of ground state and low-lying excited states. Density Matrix Renormalization Group Method.
doi: 10.1103/PhysRevC.78.041303
2007GR20 Nucl.Phys. A788, 337c (2007) M.Grasso, S.Yoshida, N.Sandulescu, N.Van Giai Giant halo and anti-halo in the non-relativistic mean field approach NUCLEAR STRUCTURE Zr; calculated radii, two-neutron separation energies, halo features. Non-relativistic mean field approach.
doi: 10.1016/j.nuclphysa.2007.01.063
2007KH15 Nucl.Phys. A789, 94 (2007) E.Khan, N.Van Giai, N.Sandulescu Pairing interactions and vanishing pairing correlations in hot nuclei NUCLEAR STRUCTURE Sn; calculated mean neutron pairing gaps using finite temperature HFB calculation using Skyrme and zero-range, density-dependent pairing interactions.
doi: 10.1016/j.nuclphysa.2007.03.005
2007MO21 Phys.Rev. C 75, 065807 (2007) C.Monrozeau, J.Margueron, N.Sandulescu Nuclear superfluidity and cooling time of neutron star crusts
doi: 10.1103/PhysRevC.75.065807
2007PI11 Phys.Rev. C 76, 024310 (2007) N.Pillet, N.Sandulescu, P.Schuck Generic strong coupling behavior of Cooper pairs on the surface of superfluid nuclei
doi: 10.1103/PhysRevC.76.024310
2006GR27 Phys.Rev.C 74, 064317 (2006) M.Grasso, S.Yoshida, N.Sandulescu, N.Van Giai Giant neutron halos in the non-relativistic mean field approach NUCLEAR STRUCTURE 56,58,60,62,64,66,68,70,72Ca, 116,118,120,122,124,126,128,130,132,134,136,138,140Zr; calculated radii, two-neutron separation energies, halo features. Non-relativistic mean field approach.
doi: 10.1103/PhysRevC.74.064317
2006GU11 Nucl.Phys. A772, 1 (2006) P.A.M.Guichon, H.H.Matevosyan, N.Sandulescu, A.W.Thomas Physical origin of density dependent forces of Skyrme type within the quark meson coupling model NUCLEAR STRUCTURE 16O, 40,48Ca, 208Pb; calculated binding energies, radii, proton and neutron densities. Ni, Zr; calculated two-neutron drip line. 42Si, 60Ge; calculated two-neutron separation energy, shell quenching features. Quark-meson coupling model, comparison with Skyrme models, astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2006.04.002
2006ID01 Nucl.Phys. A771, 93 (2006) R.Id Betan, N.Sandulescu, T.Vertse Quasiparticle resonances in the BCS approach NUCLEAR STRUCTURE 17O, 79Ni; calculated single-particle states; 20,22O, 84Ni; calculated pairing energies, radii, single-particle states, quasiparticle resonances. Berggren representation.
doi: 10.1016/j.nuclphysa.2006.03.003
2006PI02 Phys.Rev. C 73, 014301 (2006) Density matrix renormalization group and the nuclear shell model NUCLEAR STRUCTURE 48Cr; calculated ground and excited states energies. Density matrix renormalization group method.
doi: 10.1103/PhysRevC.73.014301
2005ID01 J.Phys.(London) G31, S1329 (2005) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Description of the continuum part of the spectrum by using the complex energy plane NUCLEAR STRUCTURE 80Ni; calculated resonance energies, continuum features. 11Li; calculated ground state wave function, resonance and halo features. Complex energy plane.
doi: 10.1088/0954-3899/31/8/011
2005ID02 Phys.Rev. C 72, 054322 (2005) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse, R.Wyss Complex shell model representation including antibound states NUCLEAR STRUCTURE 11Li, 72Ca; calculated ground and excited states energies, two-particle wave functions; deduced halo features. Shell model formalism with antibound states.
doi: 10.1103/PhysRevC.72.054322
2005KH08 Phys.Rev. C 71, 042801 (2005) E.Khan, N.Sandulescu, N.Van Giai Collective excitations in the inner crust of neutron stars: Supergiant resonances
doi: 10.1103/PhysRevC.71.042801
2005PI09 Phys.Rev. C 71, 044306 (2005) N.Pillet, N.Sandulescu, N.Van Giai, J.-F.Berger Convergence of particle-hole expansions for the description of nuclear correlations
doi: 10.1103/PhysRevC.71.044306
2005RU11 Eur.Phys.J. A 24, 389 (2005) G.Russo, A.Insolia, U.Lombardo, N.G.Sandulescu Momentum-dependent mean field in π0 production in Nb + Nb collisions NUCLEAR REACTIONS 93Nb(93Nb, π0X), E=100, 250, 400 MeV/nucleon; calculated neutral pion production σ, σ(E). Boltzmann-Nordheim-Vlasov equation.
doi: 10.1140/epja/i2004-10148-y
2005SA30 Phys.Rev. C 71, 054303 (2005) N.Sandulescu, P.Schuck, X.Vinas Nuclear pairing: Surface or bulk? NUCLEAR STRUCTURE 104,108,112,114,116,120,124,128Sn; calculated particle and pairing densities, radial distribution of pairing correlations. Zero-range pairing forces.
doi: 10.1103/PhysRevC.71.054303
2004ID01 Phys.Lett. B 584, 48 (2004) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse A shell model representation with antibound states NUCLEAR STRUCTURE 11Li, 72Ca; calculated two-particle resonance features, role of antibound states.
doi: 10.1016/j.physletb.2004.01.042
2004ID02 Few-Body Systems 34, 51 (2004) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Two-Particle Resonances in the Complex Energy Plane NUCLEAR STRUCTURE 11Li; calculated resonance energies.
doi: 10.1007/s00601-004-0028-4
2004KH02 Phys.Rev. C 69, 014314 (2004) E.Khan, N.Sandulescu, N.Van Giai, M.Grasso Two-neutron transfer in nuclei close to the drip line NUCLEAR REACTIONS 22O(t, p), E=15 MeV/nucleon; calculated form factors, σ(E, θ). Continuum quasiparticle RPA. NUCLEAR STRUCTURE 18,20,22O; calculated single-particle energies, response functions for two-neutron transfer. Continuum quasiparticle RPA.
doi: 10.1103/PhysRevC.69.014314
2004SA15 Phys.Rev. C 69, 045802 (2004) N.Sandulescu, N.Van Giai, R.J.Liotta Superfluid properties of the inner crust of neutron stars
doi: 10.1103/PhysRevC.69.045802
2004SA41 Phys.Rev. C 70, 025801 (2004) Nuclear superfluidity and specific heat in the inner crust of neutron stars
doi: 10.1103/PhysRevC.70.025801
2003ID01 Phys.Rev. C 67, 014322 (2003) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Shell model in the complex energy plane and two-particle resonances NUCLEAR STRUCTURE 78Ni, 100Sn; calculated single-particle states, two-particle resonance features. Shell model in the complex energy plane.
doi: 10.1103/PhysRevC.67.014322
2003ID03 Acta Phys.Hung.N.S. 18, 267 (2003) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Clusters as Many-Body Resonances NUCLEAR STRUCTURE 80Ni; calculated two-particle resonance energies.
doi: 10.1556/APH.18.2003.2-4.24
2003SA53 Phys.Rev. C 68, 054323 (2003) N.Sandulescu, L.S.Geng, H.Toki, G.C.Hillhouse Pairing correlations and resonant states in the relativistic mean field theory NUCLEAR STRUCTURE 120,122,124,126,128,130,132,134,136,138Zr; calculated single-particle energies, pairing energies, radii, resonant continuum coupling effects. Relativistic mean field theory.
doi: 10.1103/PhysRevC.68.054323
2003SH15 Phys.Rev. C 67, 061302 (2003) C.Shen, U.Lombardo, P.Schuck, W.Zuo, N.Sandulescu Screening effects on 1S0 pairing in neutron matter
doi: 10.1103/PhysRevC.67.061302
2002GR14 Phys.Lett. 535B, 103 (2002) M.Grasso, N.Van Giai, N.Sandulescu Continuum HFB Calculations with Finite Range Pairing Interactions NUCLEAR STRUCTURE 18C; calculated total energy, pairing interaction features. Hartree-Fock-Bogoliubov approach, Skyrme and Gogny forces.
doi: 10.1016/S0370-2693(02)01719-7
2002GR35 Prog.Theor.Phys.(Kyoto), Suppl. 146, 619 (2002) M.Grasso, E.Khan, N.Van Giai, N.Sandulescu Pairing Correlations in Nuclei Close to the Drip Line NUCLEAR STRUCTURE 74,76,78,80,82,84,86,88Ni; calculated pairing correlation energies. 24O calculated quadrupole strength distribution.
doi: 10.1143/PTPS.146.619
2002ID01 Phys.Rev.Lett. 89, 042501 (2002) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Two-Particle Resonant States in a Many-Body Mean Field NUCLEAR STRUCTURE 80Ni; calculated two-particle resonance energies. Berggren representation.
doi: 10.1103/PhysRevLett.89.042501
2002KH10 Phys.Rev. C66, 024309 (2002) E.Khan, N.Sandulescu, M.Grasso, N.V.Giai Continuum quasiparticle random phase approximation and the time-dependent Hartree-Fock-Bogoliubov approach NUCLEAR STRUCTURE 18,20,22,24O; calculated neutron pairing gaps, transitions B(E2), quadrupole strength functions. Continuum quasiparticle RPA, linear response method.
doi: 10.1103/PhysRevC.66.024309
2001BI02 Phys.Rev. C63, 024610 (2001) A.Bianchini, R.J.Liotta, N.Sandulescu Critical Assessment of Particle Decay as a Probe to Study the Continuum
doi: 10.1103/PhysRevC.63.024610
2001GR32 Phys.Rev. C64, 064321 (2001) M.Grasso, N.Sandulescu, V.G.Nguyen, R.J.Liotta Pairing and Continuum Effects in Nuclei Close to the Drip Line NUCLEAR STRUCTURE 84Ni; calculated single-particle energies, widths, neutron pairing densities. 74,76,78,80,82,84,86,88Ni; calculated pairing correlation energies, two-neutron separation energies, neutron radii. Hartree-Fock-Bogoliubov calculations, different boundary conditions compared.
doi: 10.1103/PhysRevC.64.064321
2000IN04 Phys.Rev. C61, 067902 (2000) A.Insolia, U.Lombardo, N.Sandulescu Transverse Flow in Au + Au Collisions NUCLEAR REACTIONS 197Au(197Au, X), E=200-1200 MeV; calculated p, d, t, α fragments transverse flow. Transport model, comparison with data.
doi: 10.1103/PhysRevC.61.067902
2000SA14 Phys.Rev. C61, 044317 (2000) N.Sandulescu, O.Civitarese, R.J.Liotta Temperature Dependent BCS Equations with Continuum Coupling
doi: 10.1103/PhysRevC.61.044317
2000SA27 Phys.Rev. C61, 061301 (2000) N.Sandulescu, V.G.Nguyen, R.J.Liotta Resonant Continuum in the Hartree-Fock + BCS Approximation NUCLEAR STRUCTURE 84Ni; calculated neutron density, single-neutron levels energies, occupation numbers; deduced role of resonanant continuum. Hartree-Fock plus BCS approach.
doi: 10.1103/PhysRevC.61.061301
1999DA05 Nucl.Phys. A646, 3 (1999) I.Danko, Zs.Dombradi, Z.Gacsi, J.Gulyas, A.Krasznahorkay, N.Sandulescu, J.Blomqvist, R.J.Liotta Low-Lying States of 109Sn from the 106Cd(α, nγ) Reaction NUCLEAR REACTIONS 106Cd(α, nγ), E=15-20 MeV; measured Eγ, Iγ. 106Cd(α, nγ), E=20 MeV; measured Eγ, Iγ, E(ce), I(ce), γγ-coin. 109Sn deduced levels, J, π, ICC, configurations. Superconducting magnetic lens electron spectrometer. Quasiparticle shell model analysis.
doi: 10.1016/S0375-9474(98)00631-9
1998DE05 Phys.Rev. C57, 986 (1998) D.S.Delion, R.J.Liotta, N.Sandulescu, T.Vertse Probing Monopole Double Giant Resonances by Dilepton (E0) Emission NUCLEAR STRUCTURE 208Pb; calculated two-particle plus two-hole levels, partial decay widths; deduced continuum coupling role, monopole, double giant resonances decay features.
doi: 10.1103/PhysRevC.57.986
1998VE02 Phys.Rev. C57, 3089 (1998) T.Vertse, A.T.Kruppa, R.J.Liotta, W.Nazarewicz, N.Sandulescu, T.R.Werner Shell Corrections for Finite Depth Potentials: Particle continuum effects NUCLEAR STRUCTURE 78Ni, 90,96,104,106,108,110,122Zr, 124Zr, 132Sn, 146Gd, 208Pb, 298Fl; calculated neutron shell correction energies. 48Ni, 90Zr, 100,132Sn, 146Gd, 180,208Pb; calculated proton shell correction energies. 146Gd, 208Pb calculated smoothed level densities. Smoothing procedure with particle continuum contribution.
doi: 10.1103/PhysRevC.57.3089
1998ZU01 Phys.Lett. 421B, 1 (1998) W.Zuo, G.Giansiracusa, U.Lombardo, N.Sandulescu, H.-J.Schulze Single-Particle Properties in Neutron Matter from Extended Brueckner Theory
doi: 10.1016/S0370-2693(97)01600-6
1997SA08 Phys.Rev. C55, 1250 (1997) N.Sandulescu, O.Civitarese, R.J.Liotta, T.Vertse Effects Due to the Continuum on Shell Corrections at Finite Temperatures NUCLEAR STRUCTURE 208Pb; calculated neutrons shell correction to free energy; deduced corrections wash out temperature. Extension of Strutinsky method, finite depth mean field potential continuum spectrum included.
doi: 10.1103/PhysRevC.55.1250
1997SA18 Phys.Lett. 394B, 6 (1997) N.Sandulescu, R.J.Liotta, R.Wyss BCS Equations in the Continuum NUCLEAR STRUCTURE 170Sn; calculated continuum single particle spectrum resonant part. BCS equations, pairing correlations.
doi: 10.1016/S0370-2693(96)01688-7
1997SA22 Phys.Rev. C55, 2708 (1997) N.Sandulescu, J.Blomqvist, T.Engeland, M.Hjorth-Jensen, A.Holt, R.J.Liotta, E.Osnes Generalized Seniority Scheme in Light Sn Isotopes NUCLEAR STRUCTURE 104,106,108,110,112Sn; calculated levels, wave functions. Generalized seniority scheme, shell model, truncation.
doi: 10.1103/PhysRevC.55.2708
1996GI02 Phys.Rev. C53, R1478 (1996) G.Giansiracusa, U.Lombardo, N.Sandulescu Correlations in the In-Medium Nucleon-Nucleon Cross Section NUCLEAR REACTIONS 1n, 1H(n, n), E ≤ 400 MeV; calculated σ(E); deduced ground state correlations role. Extended Bruecker-Hartree-Fock theory.
doi: 10.1103/PhysRevC.53.R1478
1996LI57 Phys.Lett. 367B, 1 (1996) R.J.Liotta, E.Maglione, N.Sandulescu, T.Vertse A Representation to Describe Nuclear Processes in the Continuum
doi: 10.1016/0370-2693(95)01415-2
1995IN01 Nucl.Phys. A583, 547c (1995) A.Insolia, U.Lombardo, G.Russo, N.G.Sandulescu Transverse Flow and π0 Production from the BNV Transport Equation with a Microscopic EOS NUCLEAR REACTIONS Ca(Ca, X), Nb(Nb, X), 197Au(197Au, X), E ≤ 800 MeV/nucleon; analyzed mean transverse momentum vs E, π0 production angle-integrated σ vs E. Nonrelativistic Brueckner-Bethe-Goldstone approach.
doi: 10.1016/0375-9474(94)00718-3
1995SA03 Nucl.Phys. A582, 257 (1995) N.Sandulescu, J.Blomqvist, R.J.Liotta Microscopic Description of Light Sn Isotopes NUCLEAR STRUCTURE 103,104,105,106,107,108,109,110,111,112,113Sn; calculated levels. Quasiparticle multi-step shell model.
doi: 10.1016/0375-9474(94)00455-V
1995SA49 Phys.Scr. T56, 84 (1995) N.Sandulescu, J.Blomqvist, R.J.Liotta Microscopic Description of Light Sn Isotopes NUCLEAR STRUCTURE A=100-114; compiled, reviewed level calculation, Sn isotopes. Shell model.
doi: 10.1088/0031-8949/1995/T56/013
1994IN03 Phys.Lett. 334B, 12 (1994) A.Insolia, U.Lombardo, N.G.Sandulescu, A.Bonasera Nuclear Dynamics for Heavy Ion Collisions with a Momentum Dependent Potential NUCLEAR REACTIONS Ca(Ca, X), 93Nb(93Nb, X), E ≤ 800 MeV/nucleon; calculated mean transverse momentum vs E; deduced momentum dependent mean field features for soft, stiff equation of state. Boltzmann-Nordheim-Vlasov equation, microscopic approach.
doi: 10.1016/0370-2693(94)90584-3
1994SA55 J.Phys.(London) G20, 2001 (1994) Pauli Blocking in the BCS Approximation for Spherical Nuclei NUCLEAR STRUCTURE 111Sn; calculated Pauli-blocking corrections, single particle energies renormalization. BCS approximation.
doi: 10.1088/0954-3899/20/12/016
1993RA22 Int.J.Mod.Phys. E2, 629 (1993) A.A.Raduta, N.Sandulescu, J.Suhonen Semiclassical Description of Spin Excitations of the Particle-Core Interaction System
doi: 10.1142/S0218301393000273
1993SA04 Phys.Rev. C47, 554 (1993) N.Sandulescu, A.Insolia, J.Blomqvist, R.J.Liotta Three-Quasiparticle States Analysis in Odd-Mass Lead Isotopes NUCLEAR STRUCTURE 196,197,198,199,200,201,202,203,204Pb; calculated levels. Quasiparticle multi-step shell model method, three-quasiparticle excitations.
doi: 10.1103/PhysRevC.47.554
1993SA51 Roum.J.Phys. 38, 445 (1993) N.Sandulescu, A.Insolia, J.Blomqvist, R.J.Liotta Multistep-Shell-Model Method Calculation of High Quasiparticle Excitations NUCLEAR STRUCTURE 196,197,198,199,200,201,202,203,204Pb; 114,116,118,120,122,124,126,128,117,119,121,123Sn; calculated levels. Multi-step shell model, quasiparticle excitations.
1992IN02 Nucl.Phys. A550, 34 (1992) A.Insolia, N.Sandulescu, J.Blomqvist, R.J.Liotta Microscopic Structure of Sn Isotopes NUCLEAR STRUCTURE 114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131Sn; calculated levels. Multi-step shell model BCS formalism.
doi: 10.1016/0375-9474(92)91131-8
1992SA12 Phys.Lett. 288B, 235 (1992) N.Sandulescu, A.Insolia, B.Fant, J.Blomqvist, R.J.Liotta Spherical Degrees of Freedom in 194Pb NUCLEAR STRUCTURE 194Pb; calculated levels; deduced spherical, deformed excitation coexistence. Quasiparticle multi-step shell model.
doi: 10.1016/0370-2693(92)91096-R
1986RA22 Rev.Roum.Phys. 31, 765 (1986) Description of the Even-Even Gd Isotopes in Terms of Projected Quadrupole Coherent States NUCLEAR STRUCTURE 150,152,154,156,158,160Gd; calculated excitation energies, B(E2), branching ratios. Coherent state model.
1984RA05 Rev.Roum.Phys. 29, 55 (1984) A.A.Raduta, S.Stoica, N.Sandulescu The Energies Predicted by the Coherent State Model for near Vibrational Nuclei NUCLEAR STRUCTURE 188,190,192,194Pt, 182,184,186,188,190,192Os, 194,196Hg, 162Dy; calculated levels. Coherent state model.
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