NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.Baran Found 66 matches. 2023YA15 Phys.Rev. C 107, 054304 (2023) J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang Islands of oblate hyperdeformed and superdeformed superheavy nuclei with D3h point group symmetry in competition with normal-deformed D3h states: "Archipelago" of D3h-symmetry islands NUCLEAR STRUCTURE 302Og, 292124, 318130; calculated contours of projections of the total nuclear energy surfaces on (α22, α20), (α33, α20), ( α33, α22) and (α30, α20) planes, deformation parameters. N=166-206;Z=116-138; calculated single-particle neutron and proton energy levels, shell energies defined as sums of the Strutinsky and pairing correction energies, D3h-symmetric hyperdeformed, superdeformed, and normal-deformed configurations. Found three separate islands of nuclei with D3h symmetry ("archipelago of three islands") differing by their average α20 < 0 deformations. Macroscopic-microscopic method with a realistic phenomenological Woods-Saxon potential.
doi: 10.1103/PhysRevC.107.054304
2022YA11 Phys.Rev. C 105, 034348 (2022) J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang, J.Burkat Exotic shape symmetries around the fourfold octupole magic number N=136: Formulation of experimental identification criteria NUCLEAR STRUCTURE N=122-164; calculated single-particle neutron levelsand Routhians as functions of α30, α31, α32 and α33 octupole deformations; deduced very large neutron shell gaps at N=136 for all the four octupole deformations, and N=136 as a "universal or fourfold octupole magic number". 208,212,216,218Pb, 218,220,222,224Ra, 220Po, 222Rn, 224Ra, 226Th; calculated contours of projections of the total nuclear energy surfaces on (α30, α20) planes for all the isotopes, (α31, α20), (α32, α20), and (α33, α20) planes for 218Pb, (α32, α20) planes for 218,220, 222,224Ra, and (α31, α20) and (α32, α20) planes for 220Po, 222Rn, 224Ra, 226Th. Discussed exotic point-group symmetries C2ν, D2d, Td (tetrahedral symmetry), and D3h in order to formulate spectroscopic criteria for experimental identifications through analysis of collective rotational bands generated by the symmetries. Macroscopic-microscopic method in multidimensional deformation spaces to analyze the expected exotic symmetries and octupole shape instabilities, tetrahedral point group symmetry, and realistic nuclear mean-field theory using phenomenological Woods-Saxon Hamiltonian combined with the Monte Carlo approach. Comparison with available experimental nuclear octupole deformations.
doi: 10.1103/PhysRevC.105.034348
2022YA26 Phys.Rev. C 106, 054314 (2022) J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang Exotic symmetries as stabilizing factors for superheavy nuclei: Symmetry-oriented generalized concept of nuclear magic numbers NUCLEAR STRUCTURE Z=82-138, N=164-258; calculated single-particle proton and neutron energies, spherical orbital energies and shell gaps. 314Og; calculated Monte Carlo simulated probability distributions of single-particle level position uncertainties for protons and neutrons. 308122; calculated proton and neutron single-particle energies as functions of the octupole deformations α30, α31, α32 and α33 in the center of Z=114-130, N=166-206 region. 310Fl, 314Og, 318122, 322126, 326130; calculated potential-energy projection contours as functions of quadrupole deformation parameter α20 and octupole deformation parameters α30, α31, α32 and α33 for 310Fl, and α32 for others. 296,298,300,302,304,306,308,310,312,314,316Sg, 304,306,308,310,312,314,316,318,320,322,324Fl, 310Fl, 314,316,318,320,322,324,326,328,330,332,334124, 312Lv, 314Og, 316120, 318122, 320124, 322126, 324128, 326130, 328132, 330134, 332136; calculated nuclear shell energies as functions of octupole deformation parameters α30, α31, α32 and α33, comparisons of nuclear shell-energies as functions of quadrupole deformation α20, and octupole deformation parameters α30 (pear-shaped), α31, α32, and α33 for Z-114, N=190-210, and for N=196, Z=114-136 nuclei. 296,298,300,302,304,306,308,310,312,314,316Sg, 314,316,318,320,322,324,326,328,330,332,334124; calculated energies at the equilibrium before and after allowing the α32 minimization. 280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320Fl, 282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322Lv, 284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324Og, 286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326120, 288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328122, 290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330124, 292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332126, 294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334128, 296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334,336130; predicted quadrupole deformation α2, components of octupole deformation α30, α31, α32 and α33 for the ground states, energy differences between the nearest quadrupole-shape minima and octupole-deformed configurations; deduced spherical or octupole deformed, with dominance of octupole-tetrahedral geometry for a majority of superheavy nuclei, which lowers the ground-state energy by up to 8 MeV. Realistic phenomenological mean-field approach with the deformed Woods-Saxon potential and macroscopic-microscopic method to examine impact of exotic shapes of nuclei associated with the four-fold octupole degrees of freedom on the stabilization of superheavy nuclei in the mass range of Z=114-130, and N=166-206.
doi: 10.1103/PhysRevC.106.054314
2021GA18 Phys.Rev. C 103, 054311 (2021) A.Gaamouci, I.Dedes, J.Dudek, A.Baran, N.Benhamouda, D.Curien, H.L.Wang, J.Yang Exotic toroidal and superdeformed configurations in light atomic nuclei: Predictions using a mean-field Hamiltonian without parametric correlations NUCLEAR STRUCTURE 28Si, 28,30,38,40Si, 32,40,42S, 36Ar, 40Ca, 44Ti, 48Cr, 56Ni, 52,56Fe, 82,84,100Zr; A≈30-50; calculated nuclear potential energy surfaces in (α20, α40) and (β2cos(γ+30°)), (β2sin(γ+30°)) planes using mean-field calculations in multidimensional deformation spaces with phenomenological Woods-Saxon Hamiltonian, Monte-Carlo Hamiltonian parameter adjustments based on doubly-magic spherical nuclei: 16O, 40Ca, 48Ca, 56Ni, 90Zr, 132Sn, 146Gd and 208Pb, parametric-correlation removal; tested parametric uncertainties, theoretical prediction uncertainty propagation with nucleon numbers; generated nuclear shape coexistence, low-energy toroidal shape excitations, superdeformed oblate and prolate shapes, exotic shapes and isomers. Comparison with available experimental information for deformation parameters.
doi: 10.1103/PhysRevC.103.054311
2019DU22 Acta Phys.Pol. B50, 685 (2019) J.Dudek, I.Dedes, J.Yang, A.Baran, D.Curien, T.Dickel, A.Gozdz, D.Rouvel, H.L.Wang High-rank Symmetries in Nuclei: Challenges for Prediction Capacities of the Nuclear Mean-field Theories NUCLEAR STRUCTURE 226Th; calculated total nuclear energy surfaces. Discussed the possible structure of rotational bands in cases of tetrahedral and octahedral nuclear symmetries. Mean-field approach with the phenomenological “universal” Woods–Saxon Hamiltonian.
doi: 10.5506/aphyspolb.50.685
2016SA19 Nucl.Phys. A952, 1 (2016) Distributions of the S-matrix poles in Woods-Saxon and cut-off Woods-Saxon potentials
doi: 10.1016/j.nuclphysa.2016.04.010
2015BA32 Eur.Phys.J. A 51, 76 (2015) A.Baran, Cs.Noszaly, P.Salamon, T.Vertse Calculating broad neutron resonances in a cut-off Woods-Saxon potential NUCLEAR REACTIONS 208Pb(n, x), E not given; calculated resonance pole trajectories using CWS (cut-off Woods Saxon) potential.
doi: 10.1140/epja/i2015-15076-1
2015BA54 Nucl.Phys. A944, 442 (2015) A.Baran, M.Kowal, P.-G.Reinhard, L.M.Robledo, A.Staszczak, M.Warda Fission barriers and probabilities of spontaneous fission for elements with Z ≥ 100 NUCLEAR STRUCTURE 258Fm, 262No, 266Rf, 270Sg, 274Hs, 278Ds, 282Cn, 286Fl, 290,292,294,296,298,300,302,304Lv; calculated fission barriers vs quadrupole moment; revised previous paper by different quadrupole moment definition. 266Hs; calculated fission barriers vs quadrupole moment using MM model, Skyrme HFB approach, Gogny HF model.
doi: 10.1016/j.nuclphysa.2015.06.002
2015SA13 Acta Phys.Pol. B46, 575 (2015) J.Sadhukhan, K.Mazurek, J.Dobaczewski, W.Nazarewicz, J.A.Sheikh, A.Baran Multidimensional Skyrme-density-functional Study of the Spontaneous Fission of 238U RADIOACTIVITY 238U(SF); calculated T1/2, potential energy surfaces, quadrupole diagonal inertia. Microscopic input based on the ATDHFB approach.
doi: 10.5506/APhysPolB.46.575
2014BA14 Acta Phys.Pol. B45, 273 (2014) Theoretical Survey of Superheavy Elements NUCLEAR STRUCTURE Z=108, 110, 112, 114, 116, 118, 120, 122, 124, 126; calculated ground states, spontaneous fission T1/2. Skyrme HFB theory calculations.
doi: 10.5506/APhysPolB.45.273
2014BA64 Phys.Scr. 89, 054002 (2014) Fission of rotating fermium isotopes RADIOACTIVITY 238,240,242,244,246,248,250,252,254,256,258,260,262,266,266Fm(SF); calculated fission barrier, T1/2 for different angular momenta.
doi: 10.1088/0031-8949/89/5/054002
2014SA68 Phys.Rev. C 90, 061304 (2014) J.Sadhukhan, J.Dobaczewski, W.Nazarewicz, J.A.Sheikh, A.Baran Pairing-induced speedup of nuclear spontaneous fission RADIOACTIVITY 240Pu, 264Fm(SF); calculated dynamic fission trajectories fission paths, collective inertia tensor. Superfluid nuclear density functional theory with the Skyrme energy density functional SkM* and a density-dependent pairing interaction. Strong effect of nucleonic pairing correlations on minimum-action fission path.
doi: 10.1103/PhysRevC.90.061304
2013BA08 Acta Phys.Pol. B44, 283 (2013) Stability of Superheavy Elements in Skyrme HFB Approach RADIOACTIVITY 264,266,270Hs, 270Ds, 282,284Cn, 286,288Fl, 290,292Lv, 294Og(α); calculated Q-value, T1/2. Comparison with experimental data.
doi: 10.5506/APhysPolB.44.283
2013BA25 Phys.Scr. T154, 014027 (2013) Rotational 2+ states of superheavy elements in the Skyrme-Hartree-Fock-Bogoliubov model NUCLEAR STRUCTURE Z=108-126, N=148-180; calculated the energies of first 2+ rotational states of deformed superheavy (SH) elements; deduced estimates of the Q-values of α-decay processes. Fully microscopic Skyrme-HFB theory.
doi: 10.1088/0031-8949/2013/T154/014027
2013SA62 Phys.Rev. C 88, 064314 (2013) J.Sadhukhan, K.Mazurek, A.Baran, J.Dobaczewski, W.Nazarewicz, J.A.Sheikh Spontaneous fission lifetimes from the minimization of self-consistent collective action RADIOACTIVITY 264Fm(SF); calculated square-root determinants of inertia tensors, energy-weighted moment tensors, single neutron and proton energies, static and dynamic paths as function of quadrupole and triaxial deformations, half-lives for different spontaneous fission paths. Skyrme energy density functional and density-dependent pairing interaction. Comparison with static result obtained with the minimum-energy pathways. Strong dynamical effects predicted.
doi: 10.1103/PhysRevC.88.064314
2013ST04 Phys.Rev. C 87, 024320 (2013) A.Staszczak, A.Baran, W.Nazarewicz Spontaneous fission modes and lifetimes of superheavy elements in the nuclear density functional theory RADIOACTIVITY 234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266Fm, 256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296Hs, 260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298Ds, 266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300Cn, 272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302Fl, 278,280,282,284,286,288,290,292,294,296,298,300,302,304Lv, 284,286,288,290,292,294,296,298,300,302,304,306Og, 290,292,294,296,298,300,302,304,306,308120, 296,298,300,302,304,306,308,310122, 302,304,306,308,310,312124, 306,308,310,312,314126(SF), (α); calculated inner fission barrier EA, Q(α), α-decay and SF half-lives. Self-consistent symmetry-unrestricted nuclear density functional (SkM* Skyrme) theory, with adiabatic time-dependent Hartree-Fock-Bogoliubov (HFB) approach. Triaxiality and reflection asymmetry included. Comparison with experimental data. Prediction of two competing SF modes: reflection symmetric and reflection asymmetric.
doi: 10.1103/PhysRevC.87.024320
2011BA12 Int.J.Mod.Phys. E20, 557 (2011) A.Baran, A.Staszczak, W.Nazarewicz Fission half lives of fermium isotopes within Skyrme Hartree-Fock-Bogoliubov theory RADIOACTIVITY 242,244,246,248,250,252,254,256,258,260Fm(SF); calculated cranking mass parameters, mass quadrupole moments; deduced T1/2.
doi: 10.1142/S0218301311018009
2011BA45 Phys.Rev. C 84, 054321 (2011) A.Baran, J.A.Sheikh, J.Dobaczewski, W.Nazarewicz, A.Staszczak Quadrupole collective inertia in nuclear fission: Cranking approximation NUCLEAR STRUCTURE 256Fm; calculated total energy, proton, neutron and pairing energies, particle-hole energy, quadrupole mass parameter, quadrupole moment. One-dimensional quadrupole fission pathways. Cranking approximation to the adiabatic time-dependent Hartree-Fock-Bogoliubov (ATDHFB) approach. Comparison with Gaussian overlap approximation.
doi: 10.1103/PhysRevC.84.054321
2011ST07 Int.J.Mod.Phys. E20, 552 (2011) A.Staszczak, A.Baran, W.Nazarewicz Breaking of axial and reflection symmetries in spontaneous fission of fermium isotopes RADIOACTIVITY 236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266Fm(SF); calculated quadrupole moments, pre-scission shapes; deduced fission mechanisms.
doi: 10.1142/S0218301311017995
2010ST15 Eur.Phys.J. A 46, 85 (2010) A.Staszczak, M.Stoitsov, A.Baran, W.Nazarewicz Augmented Lagrangian method for constrained nuclear density functional theory NUCLEAR STRUCTURE 252Fm; calculated energy surface vs quadrupole, octupole moment using augmented Lagrangian method with density functional theory and constrained Skyrme HFB.
doi: 10.1140/epja/i2010-11018-9
2009BA35 Int.J.Mod.Phys. E18, 1049 (2009) A.Baran, J.A.Sheikh, A.Staszczak, W.Nazarewicz Fission quadrupole mass parameters in HF+BCS and HFB methods NUCLEAR STRUCTURE 252Fm; calculated mass dependent on quadrupole moment using self-consistent Hartree-Fock+BCS and Hartree-Fock-Bogoliubov method for large deformations.
doi: 10.1142/S0218301309013221
2009BA36 Int.J.Mod.Phys. E18, 1054 (2009) A.Baran, J.A.Sheikh, W.Nazarewicz Adiabatic mass parameters for spontaneous fission NUCLEAR STRUCTURE 252Fm; calculated mass excess, mass parameter dependent on quadrupole moment using different approaches.
doi: 10.1142/S0218301309013233
2009ST14 Phys.Rev. C 80, 014309 (2009) A.Staszczak, A.Baran, J.Dobaczewski, W.Nazarewicz Microscopic description of complex nuclear decay: Multimodal fission RADIOACTIVITY 242,244,246,248,250,252,254,256,258,260,264Fm, 254Cf, 258No, 262Hs(SF); calculated fission pathways, fission half-lives, quadrupole moments, potential energy curves, total energy surfaces using microscopic description of multi-modal fission based on symmetry unrestricted nuclear density functional theory (DFT). Rf, Sg, Hs; predicted trimodal spontaneous fission. Comparison with experimental data.
doi: 10.1103/PhysRevC.80.014309
2008BA29 Phys.Rev. C 78, 014318 (2008) A.Baran, A.Bulgac, M.McNeil Forbes, G.Hagen, W.Nazarewicz, N.Schunck, M.V.Stoitsov Broyden's method in nuclear structure calculations
doi: 10.1103/PhysRevC.78.014318
2008LO03 Int.J.Mod.Phys. E17, 253 (2008) Spontaneous fission half lives of Z = 112 isotopes NUCLEAR STRUCTURE Z=112; N=150-190; calculated fission barriers and SF half lives using BCS and Lipkin-Nogami (LN) approach. Comparison with experimental data.
doi: 10.1142/S0218301308009768
2007BA16 Int.J.Mod.Phys. E16, 320 (2007) Pairing and α-decay NUCLEAR STRUCTURE Z=112-122; calculated α-decay T1/2, pairing effects.
doi: 10.1142/S0218301307005752
2007BA17 Int.J.Mod.Phys. E16, 443 (2007) A.Baran, A.Staszczak, J.Dobaczewski, W.Nazarewicz Collective inertia and fission barriers within the Skyrme-Hartree-Fock theory NUCLEAR STRUCTURE 252,256,258Fm; calculated fission barriers, quadrupole inertia tensor, zero-point quadrupole correlation energy. Self-consistent Skyrme-Hartree-Fock approach.
doi: 10.1142/S0218301307005879
2007SI07 Int.J.Mod.Phys. E16, 289 (2007) K.Sieja, T.L.Ha, P.Quentin, A.Baran Particle number conserving approach to correlations NUCLEAR STRUCTURE 64Ge; calculated ground-state configurations, pairing interactions. Higher TDA.
doi: 10.1142/S0218301307005727
2006BA11 Int.J.Mod.Phys. E15, 452 (2006) Superheavy nuclei in different pairing models RADIOACTIVITY 262,264,266,268,270,272,274,276,278,280,282,284,286Cn(SF); calculated fission barrier heights, T1/2. Several pairing models compared.
doi: 10.1142/S0218301306004351
2006SI08 Acta Phys.Pol. B37, 107 (2006) Proton-neutron pairing in Lipkin-Nogami approach NUCLEAR STRUCTURE 64Ge; calculated neutron-neutron, proton-proton, and neutron-proton pairing gaps. Comparison of Lipkin-Nogami and BCS approaches.
2006SI35 Phys.Scr. T125, 220 (2006) Skyrme force-like extension of the nuclear pairing interaction NUCLEAR STRUCTURE 62,64,66,68Ge; calculated pair gap energies. 12C, 16O, 20Ne, 24Mg, 28Si, 32S, 36Ar, 40Ca, 44Ti, 48Cr, 52Fe, 56Ni, 60Zn, 64Ge, 68Se, 72Kr, 76Sr, 80Zr; calculated Wigner energy constant.
doi: 10.1088/0031-8949/2006/T125/060
2005BA46 Acta Phys.Pol. B36, 1369 (2005) Masses and half-lives of superheavy elements RADIOACTIVITY 270,280Ds, 282,284Cn, 286Fl(SF); 270Ds, 286,287,288,289Fl, 290,292Lv, 294Og(α); calculated T1/2. Lublin-Strasbourg drop model plus pairing corrections. NUCLEAR STRUCTURE Z=110-118; calculated masses, decay T1/2. Lublin-Strasbourg drop model plus pairing corrections.
2005BA47 Int.J.Mod.Phys. E14, 365 (2005) A.Baran, M.Kowal, Z.Lojewski, K.Sieja Properties of superheavy nuclei in various macroscopic-microscopic models NUCLEAR STRUCTURE Z=108-122; calculated neutron and proton separation energies, radii, quadrupole moments. Z=112-118; calculated spontaneous fission and α-decay T1/2 for even-even isotopes. Macroscopic-microscopic models.
doi: 10.1142/S0218301305003132
2005BA49 Int.J.Mod.Phys. E14, 445 (2005) Neutron-proton pairing in 64Ge NUCLEAR STRUCTURE 60,62,64,66,68,70,72,74,76Ge; calculated neutron-neutron, proton-proton, and neutron-proton pair gap parameters, pairing energy. Relativistic mean-field theory, δ-pairing residual interaction.
doi: 10.1142/S0218301305003259
2005BA89 J.Phys.(London) G31, S1823 (2005) Neutron halo in heavy nuclei NUCLEAR STRUCTURE 58Ni, 106,108,110,112,114,116,118,120,122,124,126,128,130,132Sn, 176Yb, 208Pb; calculated neutron peripheral excess factor, halo features. Relativistic mean field model.
doi: 10.1088/0954-3899/31/10/080
2005BA95 Phys.Rev. C 72, 044310 (2005) A.Baran, Z.Lojewski, K.Sieja, M.Kowal Global properties of even-even superheavy nuclei in macroscopic-microscopic models NUCLEAR STRUCTURE Z=100-122; A=242-314; calculated quadrupole moments, radii, pair gap energies, Qα, fission and α-decay T1/2 for even-even nuclides. Macroscopic-microscopic approach, several models compared.
doi: 10.1103/PhysRevC.72.044310
2005BB04 Eur.Phys.J. A 25, Supplement 1, 611 (2005) Ground-state properties of superheavy elements in macroscopic-microscopic models NUCLEAR STRUCTURE Z=100-116; calculated Qα, fission and α-decay T1/2. Macroscopic-microscopic models.
doi: 10.1140/epjad/i2005-06-006-4
2004BA14 Int.J.Mod.Phys. E13, 113 (2004) δ-pairing forces and nuclear masses
doi: 10.1142/S0218301304001813
2004BA16 Int.J.Mod.Phys. E13, 337 (2004) Nuclear periphery in Mean-Field models NUCLEAR STRUCTURE 48Ca, 58Ni, 96Zr, 96,104Ru, 100Mo, 106,116Cd, 112,124Sn, 128,130Te, 144,154Sm, 148Nd, 160Gd, 176Yb, 232Th, 238U; calculated neutron excess factor. Comparison with data.
doi: 10.1142/S0218301304002156
2004BA49 Acta Phys.Pol. B35, 779 (2004) A.Baran, W.Broniowski, W.Florkowski Description of the particle ratios and transverse-momentum spectra for various centralities at RHIC in a single-freeze-out model NUCLEAR REACTIONS 197Au(197Au, X), E(cm)=200 GeV/nucleon; analyzed particle yield ratios, transverse momentum spectra; deduced parameters. Single-freeze-out model.
2004BA53 Acta Phys.Pol. B35, 1291 (2004) Comparison of δ- and Gogny-Type Pairing Interactions NUCLEAR STRUCTURE 130,138Nd, 148Ce; calculated pairing interaction matrix elements. 126,128,130,132,134,136,144,146,148,150,152Ce; calculated neutron pair gaps. Comparison of δ and Gogny pairing interactions.
2004BA96 Acta Phys.Pol. B35, 2293 (2004) Bethe plots and neutron halo NUCLEAR STRUCTURE 106,108,112,114,118,120,124,126,130,132Sn; calculated neutron excess function. 48Ca, 58Ni, 96Zr, 100Mo, 96,104Ru, 106,116Cd, 112,124Sn, 128,130Te, 144Sm, 148Nd, 154Sm, 160Gd, 176Yb, 232Th, 238U; calculated neutron halo parameters.
2004SI18 Eur.Phys.J. A 20, 413 (2004) δ-pairing forces and collective pairing vibrations
doi: 10.1140/epja/i2003-10169-0
2003LO17 Acta Phys.Pol. B34, 1801 (2003) Z.Lojewski, A.Baran, K.Pomorski Spontaneous fission and α-decay half-lives of superheavy nuclei in different macroscopic energy models NUCLEAR STRUCTURE Z=100-106; calculated spontaneous fission and α-decay T1/2, Qα for even-even isotopes. Macroscopic model.
2003SI17 Phys.Rev. C 68, 044308 (2003) State dependent δ-pairing force with Nilsson models: Nuclear shapes, radii, and masses NUCLEAR STRUCTURE 140Nd; calculated pair gap parameters, single-particle level energies vs deformation. 140Ce, 150Nd, 148Sm, 156Gd, 150Dy, 152,160Er, 170Yb; calculated potential energy surfaces. Ce, Nd, Sm, Gd, Dy, Er, Yb, Hf; calculated pairing energy, charge radii, quadrupole moments vs neutron number. State-dependent δ-pairing force.
doi: 10.1103/PhysRevC.68.044308
2002BR54 Acta Phys.Pol. B33, 4235 (2002) W.Broniowski, A.Baran, W.Florkowski Thermal Approach to RHIC
2001BA30 Acta Phys.Pol. B32, 1025 (2001) Relativistic Mean Field Antinucleon-Nucleus Potential
2000BA08 Phys.Rev. C61, 024316 (2000) Relativistic Mean Field Calculations of Single Particle Potentials NUCLEAR STRUCTURE A=16-220; analyzed data; deduced model parameters. Relativistic mean field approach.
doi: 10.1103/PhysRevC.61.024316
2000BA50 Acta Phys.Pol. B31, 411 (2000) Single Particle Nuclear Levels in Extended Thomas-Fermi Potentials NUCLEAR STRUCTURE 132Sn, 208Pb; calculated single-particle levels. Extended Thomas-Fermi method, several Skyrme forces considered. Comparison with data.
2000LO06 Acta Phys.Pol. B31, 485 (2000) Spontaneous Fission and α-Decay Half-Lives of Superheavy Nuclei NUCLEAR STRUCTURE Z=112-120; calculated α-decay, spontaneous fission T1/2 for even-even isotopes. Deformed Woods-Saxon potential.
1999PA06 Phys.Rev. C59, 704 (1999) Z.Patyk, A.Baran, J.F.Berger, J.Decharge, J.Dobaczewski, P.Ring, A.Sobiczewski Masses and Radii of Spherical Nuclei Calculated in Various Microscopic Approaches NUCLEAR STRUCTURE Ca, Sr, Sn, Sm, Pb, Th; calculated masses, radii. Several models compared.
doi: 10.1103/PhysRevC.59.704
1997BA14 Z.Phys. A357, 33 (1997) Neutron Halos in Heavy Nuclei-Relativistic Mean Field Approach NUCLEAR STRUCTURE 58Ni, 96Ru, 144,154Sm, 96Zr, 232Th, 176Yb, 238U; calculated single nucleon partial density ratio, halo factor, baryon density related features, antiprotonic-nucleon annihilation width. Spherical relativistic mean field model.
doi: 10.1007/s002180050210
1997PO13 Nucl.Phys. A624, 349 (1997) K.Pomorski, P.Ring, G.A.Lalazissis, A.Baran, Z.Lojewski, B.Nerlo-Pomorska, M.Warda Ground State Properties of the β Stable Nuclei in Various Mean Field Theories NUCLEAR STRUCTURE A=16-256; calculated even-even stable nucleus proton, neutron separation energies, charge radii, other ground state properties. Several models compared. Comparisons with data.
doi: 10.1016/S0375-9474(97)00367-9
1996BA16 Phys.Rev. C53, 1571 (1996) Gd Isotope Systematics with Skyrme and δ-Pairing Forces NUCLEAR STRUCTURE 150,152,158,160,162,164,166,168,170Gd; calculated binding energy per nucleon, ground state rotational moment of inertia, radii, neutron skin thicknesses, quadrupole moments, deformations. Constrained Hartree-Fock, Skyrme, δ-pairing forces.
doi: 10.1103/PhysRevC.53.1571
1996PA18 Acta Phys.Pol. B27, 457 (1996) Z.Patyk, A.Baran, J.F.Berger, J.Decharge, J.Dobaczewski, R.Smolanczuk, A.Sobiczewski On the Quality of Microscopic Descriptions of Nuclear Mass NUCLEAR STRUCTURE 202,204,206,208,210,212,214Pb; calculated mass, difference with respect to data. Several microscopic approaches compared.
1995BA45 J.Phys.(London) G21, 657 (1995) A.Baran, J.L.Egido, B.Nerlo-Pomorska, K.Pomorski, P.Ring, L.M.Robledo Mean-Field Calculations of Proton and Neutron Distributions in Sr, Xe and Ba Isotopes NUCLEAR STRUCTURE 78,80,82,84,86,88,90,92,94,96,98,100,102Sr, 114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146Xe, 120,122,124,126,130,132,134,136,138,140,142,144,146,148Ba; calculated rms radii, n-, p- radii, quadrupole deformations differences, electric quadrupole moments. Mean field approach.
doi: 10.1088/0954-3899/21/5/010
1995BA78 Phys.Rev. C52, 2242 (1995) Ground-State Properties of Strontium Isotopes NUCLEAR STRUCTURE 78,80,82,84,86,88,90,92,94,96,98,100Sr; calculated binding energy per particle vs deformation, isotope shifts. 98Sr; calculated level energies vs deformation. Constrained Hartree-Fock calculations.
doi: 10.1103/PhysRevC.52.2242
1995RA28 Nucl.Instrum.Methods Phys.Res. A352, 652 (1995) M.S.Rapaport, A.Gayer, E.Iszak, C.Goresnic, A.Baran, E.Polak A Dual-Mode Industrial CT
doi: 10.1016/0168-9002(95)90021-7
1994BA67 Acta Phys.Pol. B25, 621 (1994) Fission Numerics Errors and Corrections NUCLEAR STRUCTURE 242Fm; calculated mass parameter vs deformation lattice, SF-decay T1/2; N=142-162; calculated SF-decay T1/2, Fm isotopes; deduced possible calculational errors, corrections.
1994BA97 Acta Phys.Pol. B25, 1231 (1994) Temperature Dependence of Mass Parameters and Fission Barriers NUCLEAR STRUCTURE 258Rf; calculated total mass parameter, free energy vs deformation, entropy vs temperature, internal energy. Unified temperature dependent model.
1988LO03 Z.Phys. A329, 161 (1988) Half Lives of Heaviest Nuclei with Woods-Saxon Potential RADIOACTIVITY Z=102-111; calculated α-decay T1/2. Z=104-111; calculated (SF)-T1/2. Woods-Saxon potential.
1987BA77 Nucl.Phys. A475, 327 (1987) Spontaneous Fission of Isomeric States of Actinide Nuclei NUCLEAR STRUCTURE Z=96-110; N=144-158; calculated isomeric state SF-decay T1/2.
doi: 10.1016/0375-9474(87)90169-2
1986BA43 Phys.Lett. 176B, 7 (1986) Spontaneous Fission of Isomeric States in 250Fm and 254No RADIOACTIVITY 250mFm, 254mNo(SF); calculated T1/2. Nilsson basis, Strutinsky prescription.
doi: 10.1016/0370-2693(86)90914-7
1985LO17 Z.Phys. A322, 695 (1985) Spontaneous Fission Half-Times of Double-Odd Nuclei (Z ≥ 97) NUCLEAR STRUCTURE 239,241,243,245,247Am, 241,243,245,247,249,251Cm, 243,245,247,249,251Bk, 245,247,249,251,253Cf, 249,251,253,255Es, 249,251,253,255,257Fm, 255,257,259Md, 253,255,257No; calculated levels, SF-decay T1/2. 250Rf, 252Rf, 254Rf, 256Rf, 258Rf, 260Rf, 262Rf, 251Db, 252Db, 253Db, 254Db, 255Db, 256Db, 257Db, 258Db, 259Db, 260Db, 261Db, 262Db, 263Db, 251,253,255,257,259,261Lr, 256Sg, 257Sg, 258Sg, 259Sg, 260Sg, 261Sg, 262Sg, 263Sg, 264Sg, 265Sg, 266Sg, 257Bh, 259Bh, 261Bh, 262Bh, 263Bh, 265Bh, 267Bh, 268Bh, 261Mt, 262Mt, 263Mt, 265Mt, 267Mt, 268Mt, 260Hs, 262Hs, 264Hs, 266Hs, 268Hs, 270Hs, 246,248,250,252,254,256,258Fm, 247,248,249,250,251,252,253,254,255,256,257,258,259Md; calculated SF-decay T1/2; deduced Nilsson parameters, hindrance factors.
1985ST22 Phys.Lett. 161B, 227 (1985) A.Staszczak, A.Baran, K.Pomorski, K.Boning Coupling of the Pairing Vibrations with the Fission Mode NUCLEAR STRUCTURE 252Fm; calculated fission barrier, mass parameter. 234,236,238,240,242,244,246,248,250,252,254,256,258,260,264Fm; calculated T1/2(SF). Nilsson basis, monopole pairing interaction, cranking model.
doi: 10.1016/0370-2693(85)90750-6
1981BA14 Nucl.Phys. A361, 83 (1981) A.Baran, K.Pomorski, A.Lukasiak, A.Sobiczewski A Dynamic Analysis of Spontaneous-Fission Half-Lives RADIOACTIVITY, Fission A=232-268; calculated T1/2(SF), barrier heights. Dynamical macroscopic, microscopic method.
doi: 10.1016/0375-9474(81)90471-1
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