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NSR database version of April 27, 2024.

Search: Author = Z.Lojewski

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2011LO08      Int.J.Mod.Phys. E20, 532 (2011)

Z.Lojewski

Spontaneous fission half-lives in various macroscopic-microscopic models

RADIOACTIVITY ^{262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298}Fl, ^{268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310}Lv(SF); calculated T_1/2, barrier heights.

doi: 10.1142/S021830131101796X
Citations: PlumX Metrics

2008LO03      Int.J.Mod.Phys. E17, 253 (2008)

Z.Lojewski, A.Baran

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
Citations: PlumX Metrics

2007BA16      Int.J.Mod.Phys. E16, 320 (2007)

A.Baran, Z.Lojewski, K.Sieja

Pairing and α-decay

NUCLEAR STRUCTURE Z=112-122; calculated α-decay T_1/2, pairing effects.

doi: 10.1142/S0218301307005752
Citations: PlumX Metrics

2006BA11      Int.J.Mod.Phys. E15, 452 (2006)

A.Baran, Z.Lojewski, K.Sieja

Superheavy nuclei in different pairing models

RADIOACTIVITY ^{262,264,266,268,270,272,274,276,278,280,282,284,286}Cn(SF); calculated fission barrier heights, T_1/2. Several pairing models compared.

doi: 10.1142/S0218301306004351
Citations: PlumX Metrics

2005BA46      Acta Phys.Pol. B36, 1369 (2005)

A.Baran, Z.Lojewski, K.Sieja

Masses and half-lives of superheavy elements

RADIOACTIVITY ^270,280Ds, ^282,284Cn, ²⁸⁶Fl(SF); ²⁷⁰Ds, ^{286,287,288,289}Fl, ^290,292Lv, ²⁹⁴Og(α); calculated T_1/2. Lublin-Strasbourg drop model plus pairing corrections.

NUCLEAR STRUCTURE Z=110-118; calculated masses, decay T_1/2. 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 T_1/2 for even-even isotopes. Macroscopic-microscopic models.

doi: 10.1142/S0218301305003132
Citations: PlumX Metrics

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 T_1/2 for even-even nuclides. Macroscopic-microscopic approach, several models compared.

doi: 10.1103/PhysRevC.72.044310
Citations: PlumX Metrics

2005BB04      Eur.Phys.J. A 25, Supplement 1, 611 (2005)

A.Baran, Z.Lojewski, K.Sieja

Ground-state properties of superheavy elements in macroscopic-microscopic models

NUCLEAR STRUCTURE Z=100-116; calculated Qα, fission and α-decay T_1/2. Macroscopic-microscopic models.

doi: 10.1140/epjad/i2005-06-006-4
Citations: PlumX Metrics

2005KO14      Int.J.Mod.Phys. E14, 327 (2005)

M.Kowal, Z.Lojewski

Influence of the entrance channel effects on the formation process of superheavy elements

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X), E ≈ 170-200 MeV; calculated fusion σ, barrier distribution, dependence on target deformation. ¹⁸⁶W(¹⁶O, X), ¹⁵⁴Sm(⁴⁸Ca, X), E^*=48, 53 MeV; calculated fusion spin distributions.

doi: 10.1142/S0218301305003077
Citations: PlumX Metrics

2004KO14      Int.J.Mod.Phys. E13, 361 (2004)

M.Kowal, Z.Lojewski

Importance of deformation and orientation of nuclear shapes for the synthesis of super-heavy elements

NUCLEAR REACTIONS ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm, ²⁵²Cf(⁴⁸Ca, X), E not given; calculated fusion barrier features vs deformation, orientation.

doi: 10.1142/S0218301304002193
Citations: PlumX Metrics

2003KO75      Acta Phys.Pol. B34, 2411 (2003)

M.Kowal, Z.Lojewski

The alpha-deformed superheavy nucleus interaction potential

NUCLEAR STRUCTURE ²⁷⁸Fl; calculated α-parent interaction potential vs deformation, α-emission barrier features.

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 T_1/2, Qα for even-even isotopes. Macroscopic model.

2001LO24      Acta Phys.Pol. B32, 2981 (2001)

Z.Lojewski, B.Nerlo-Pomorska, J.Dudek

Microscopic Calculation of the Nucleonic Levels and Mean Square Radii of Atomic Nuclei with the New Woods-Saxon Potential Parameters

NUCLEAR STRUCTURE ^40,48Ca, ⁵⁶Ni, ⁹⁰Zr, ¹³²Sn, ²⁰⁸Pb; calculated single-particle level energies. Z=36-88; calculated radii. Woods-Saxon potential, new parameters.

2000BA50      Acta Phys.Pol. B31, 411 (2000)

A.Baran, Z.Lojewski

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.

2000DU17      Acta Phys.Hung.N.S. 12, 177 (2000)

J.Dudek, N.Schunck, Z.Lojewski

Parametrization of the Nuclear Mean Field within Dirac Formalism

NUCLEAR STRUCTURE ²⁰⁸Pb; calculated single-particle level energies. Relativistic mean field, Dirac formalism, Woods-Saxon potential.

2000LO06      Acta Phys.Pol. B31, 485 (2000)

Z.Lojewski, A.Baran

Spontaneous Fission and α-Decay Half-Lives of Superheavy Nuclei

NUCLEAR STRUCTURE Z=112-120; calculated α-decay, spontaneous fission T_1/2 for even-even isotopes. Deformed Woods-Saxon potential.

1999LO14      Nucl.Phys. A657, 134 (1999)

Z.Lojewski, A.Staszczak

Role of Pairing Degrees of Freedom and Higher Multipolarity Deformations in Spontaneous Fission Process

NUCLEAR STRUCTURE Z=100-114; calculated fission T_1/2 for even-even isotopes; deduced role of pairing, deformation.

doi: 10.1016/S0375-9474(99)00328-0
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1996LO08      Acta Phys.Pol. B27, 531 (1996)

Z.Lojewski, A.Staszczak

Study of the Spontaneous Fission Half-Lives in the Multidimensional Collective Space

RADIOACTIVITY ^{242,244,246,248,250,252,254,256,258}Fm(SF); calculated SF-decay T_1/2. Multi-dimensional collective space.

1995LO01      Phys.Rev. C51, 601 (1995)

Z.Lojewski, B.Nerlo-Pomorska, K.Pomorski, J.Dudek

Mean Square Radii of Nuclei Calculated with the Woods-Saxon Potential

NUCLEAR STRUCTURE Z=46-60; Z=60-70; calculated mean square charge radii. Woods-Saxon potential.

doi: 10.1103/PhysRevC.51.601
Citations: PlumX Metrics

1994BA67      Acta Phys.Pol. B25, 621 (1994)

A.Baran, Z.Lojewski

Fission Numerics Errors and Corrections

NUCLEAR STRUCTURE ²⁴²Fm; calculated mass parameter vs deformation lattice, SF-decay T_1/2; N=142-162; calculated SF-decay T_1/2, Fm isotopes; deduced possible calculational errors, corrections.

1994BA97      Acta Phys.Pol. B25, 1231 (1994)

A.Baran, Z.Lojewski

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.

1994LO12      Acta Phys.Pol. B25, 1147 (1994)

Z.Lojewski, B.Nerlo-Pomorska, K.Pomorski

Influence of the Quadrupole Pairing Interaction on the Mean-Square Radii of Nuclei

NUCLEAR STRUCTURE ^{76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112}Sr; calculated equilibrium deformations, rms charge radii isotope shifts; deduced quadrupole pairing forces role. Microscopic static calculations, Ba, Xe, Nd, Pt isotopes studied.

1988LO03      Z.Phys. A329, 161 (1988)

Z.Lojewski, A.Baran

Half Lives of Heaviest Nuclei with Woods-Saxon Potential

RADIOACTIVITY Z=102-111; calculated α-decay T_1/2. Z=104-111; calculated (SF)-T_1/2. Woods-Saxon potential.

1988LO09      Phys.Lett. 213B, 107 (1988)

Z.Lojewski, A.Gozdz

Mean-Field Mass Parameters for Odd Nuclei within the GOA + GCM Approach

NUCLEAR STRUCTURE ^240,241Pu; calculated mean field mass parameters. Generator coordinate method.

doi: 10.1016/0370-2693(88)91007-6
Citations: PlumX Metrics

1987BA77      Nucl.Phys. A475, 327 (1987)

A.Baran, Z.Lojewski

Spontaneous Fission of Isomeric States of Actinide Nuclei

NUCLEAR STRUCTURE Z=96-110; N=144-158; calculated isomeric state SF-decay T_1/2.

doi: 10.1016/0375-9474(87)90169-2
Citations: PlumX Metrics

1986BA43      Phys.Lett. 176B, 7 (1986)

A.Baran, Z.Lojewski

Spontaneous Fission of Isomeric States in ²⁵⁰Fm and ²⁵⁴No

RADIOACTIVITY ^250mFm, ^254mNo(SF); calculated T_1/2. Nilsson basis, Strutinsky prescription.

doi: 10.1016/0370-2693(86)90914-7
Citations: PlumX Metrics

1985CW01      Nucl.Phys. A444, 1 (1985)

S.Cwiok, Z.Lojewski, V.V.Pashkevich

Fission Barriers of Odd-Mass Nuclei and Odd Nuclei with 100 ≤ Z ≤ 111

NUCLEAR STRUCTURE ^{259,261,257,255,253,251,249,247,245,243}Fm, ^{246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263}Md, ^{243,245,246,249,251,253,255,257,259,261,263}No, ^{254,255,256,257,258,259,260,261,262,263,264,265}Lr, ^{251,253,255,257,259,261,263,265}Rf, ^{254,255,256,257,258,259,260,261,262,263,264,265,266,267}Db, ^{257,259,261,263,265,267}Sg, ^{258,259,260,261,262,263,264,265,266,267,268,269,270,271}Bh, ^{259,261,263,265,267,269,271}Hs, ^{262,263,264,265,266,267,268,269,270,271}Mt, ^{263,265,267,269,271,273,275}Ds, ^{267,268,269,270,271,272,273,274,275,276,277,278}Rg; calculated deformation energy along fission barrier vs β₂, fission barrier vs neutron number. Strutinsky method, realistic Woods-Saxon potential.

doi: 10.1016/0375-9474(85)90288-X
Citations: PlumX Metrics

1985LO05      Nucl.Phys. A436, 499 (1985)

Z.Lojewski, V.V.Pashkevich, S.Cwiok

Excitation Effects on the Nuclear-Fission Process in the Heaviest Elements

NUCLEAR STRUCTURE ²⁶⁰No, ²⁶⁴Rf, ²⁶⁸Sg; calculated fission barriers. Quantum statistical approach, nuclear heating effect.

doi: 10.1016/0375-9474(85)90082-X
Citations: PlumX Metrics

1985LO17      Z.Phys. A322, 695 (1985)

Z.Lojewski, A.Baran

Spontaneous Fission Half-Times of Double-Odd Nuclei (Z ≥ 97)

NUCLEAR STRUCTURE ^{239,241,243,245,247}Am, ^{241,243,245,247,249,251}Cm, ^{243,245,247,249,251}Bk, ^{245,247,249,251,253}Cf, ^{249,251,253,255}Es, ^{249,251,253,255,257}Fm, ^255,257,259Md, ^253,255,257No; calculated levels, SF-decay T_1/2. ²⁵⁰Rf, ²⁵²Rf, ²⁵⁴Rf, ²⁵⁶Rf, ²⁵⁸Rf, ²⁶⁰Rf, ²⁶²Rf, ²⁵¹Db, ²⁵²Db, ²⁵³Db, ²⁵⁴Db, ²⁵⁵Db, ²⁵⁶Db, ²⁵⁷Db, ²⁵⁸Db, ²⁵⁹Db, ²⁶⁰Db, ²⁶¹Db, ²⁶²Db, ²⁶³Db, ^{251,253,255,257,259,261}Lr, 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, ^{246,248,250,252,254,256,258}Fm, ^{247,248,249,250,251,252,253,254,255,256,257,258,259}Md; calculated SF-decay T_1/2; deduced Nilsson parameters, hindrance factors.

1984LO03      Z.Phys. A316, 345 (1984)

Z.Lojewski, I.N.Mikhailov, K.Pomorski

Coupling of the Rotational Motion with the Axial Vibrations of Multipolarity 2 and 4

NUCLEAR STRUCTURE ^{150,152,154,156}Sm, ^{154,156,158,160}Gd, ^{154,156,158,160}Dy, ^{156,158,160,162}Er; calculated ground state equilibrium point moment of inertia, rotational levels, electric quadrupole, hexadecapole moments. ¹⁶⁰Er; calculated potential energy surfaces vs angular momentum. Rotational, vibrational motion coupling, Bohr collective Hamiltonian.

doi: 10.1007/BF01439907
Citations: PlumX Metrics

1980LO12      Nucl.Phys. A345, 134 (1980)

Z.Lojewski, K.Pomorski

Influence of the Quadrupole Pairing Interaction on the Spontaneous Fission Lifetime of Heavy Nuclei

RADIOACTIVITY, Fission ^{242,244,246,248,250,252,254,256,258}Fm; calculated collective potential, inertia, spontaneous fission T_1/2; deduced sensitivity to quadrupole pairing forces. Nilsson potential, quadrupole, hexadecapole deformations.

doi: 10.1016/0375-9474(80)90414-5
Citations: PlumX Metrics