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Search: Author = R.Smolanczuk

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2010SM03      Phys.Rev. C 81, 067602 (2010)

R.Smolanczuk

Synthesis of transactinide nuclei in cold fusion reactions using radioactive beams

NUCLEAR REACTIONS 208Pb(51Ti, n), E(cm)=185.8 MeV; 208Pb(54V, n), E(cm)=192.7 MeV; 208Pb(57Cr, n), E(cm)=201.9 MeV; 208Pb(58Mn, n), E(cm)=210.3 MeV; 208Pb(61Fe, n), E(cm)=220.2 MeV; 208Pb(58Co, n), E(cm)=224.9 MeV; 208Pb(65Ni, n), E(cm)=239.1 MeV; 208Pb(66Cu, n), E(cm)=246.6 MeV; 209Bi(66Cu, n), E(cm)=248.8 MeV; 208Pb(74Ga, n), E(cm)=265.1 MeV; 209Bi(74Ga, n), E(cm)=267.4 MeV; 208Pb(78As, n), E(cm)=283.7; 208Pb(85Se, n), E(cm)=297.8 MeV; 208Pb(89Br, n), E(cm)=303.7 MeV; 208Pb(91Kr, n), E(cm)=314.4 MeV; 208Pb(90Rb, n), E(cm)=326.1 MeV; calculated optimal bombarding energies, average fusion barrier heights, the radial coordinates of the average fusion barrier and the inner barrier, the capture σ, the formation probability of the compound nucleus, the neutron-to-fission-width ratio for zero angular momentum, the formation σ for 1-neutron evaporation residue. Synthesis of transactinide nuclei in cold fusion reactions.

doi: 10.1103/PhysRevC.81.067602
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2008SM02      Phys.Rev. C 78, 024601 (2008)

R.Smolanczuk

Cross sections calculated for cold fusion reactions for producing superheavy nuclei

NUCLEAR REACTIONS 209Bi(64Ni, n), E(cm)=241.7 MeV; 208Pb(65Cu, n), E(cm)=245.3 MeV; 208Pb(68Zn, n), E(cm)=256.0 MeV; 208Pb(70Zn, n), E(cm)=257.2 MeV; 209Bi(70Zn, n), E(cm)=259.6 MeV; 208Pb(76Ge, n), E(cm)=276.3 MeV; 209Bi(76Ge, n), E(cm)=278.7 MeV; 208Pb(82Se, n), E(cm)=297.1 MeV; 209Bi(82Se, n), E(cm)=299.5 MeV; 208Pb(86Kr, n), E(cm)=318.6 MeV; 209Bi(86Kr, n), E(cm)=321.6 MeV; 208Pb(88Sr, n), E(cm)=333.7 MeV; 209Bi(88Sr, n), E(cm)=341.5 MeV; 136Xe(124Sn, n), E(cm)=289.5 MeV; 136Xe(130Te, n), E(cm)=301.9 MeV; 136Xe(136Xe, n), E(cm)=315.7 MeV; 138Ba(136Xe, n), E(cm)=327.4 MeV; 142Ce(136Xe, n), E(cm)=336.9 MeV; calculated formation σ, fusion barriers for superheavy nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.78.024601
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2007KL02      Phys.Rev. C 76, 014311 (2007)

B.Klos, A.Trzcinska, J.Jastrzebski, T.Czosnyka, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, F.J.Hartmann, B.Ketzer, P.Ring, R.Schmidt, T.von Egidy, R.Smolanczuk, S.Wycech, K.Gulda, W.Kurcewicz, E.Widmann, B.A.Brown

Neutron density distributions from antiprotonic 208Pb and 209Bi atoms

NUCLEAR REACTIONS 208Pb, 209Bi(p-bar, X-ray), E at 106 MeV/c; measured x-ray cascade from antiprotonic atoms. Deduced neutron densities and rms radii.

doi: 10.1103/PhysRevC.76.014311
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2005SM02      Int.J.Mod.Phys. E14, 373 (2005)

R.Smolanczuk

Cross sections calculated for cold fusion reaction with emission of only one neutron for producing the heaviest elements

NUCLEAR REACTIONS 208Pb, 209Bi(50Ti, n), (58Fe, n), (64Ni, n), (70Zn, n), 208Pb(54Cr, n), (86Kr, n), 207Pb(64Ni, n), E not given; calculated σ. Comparison with data.

doi: 10.1142/S0218301305003144
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2003SC13      Phys.Rev. C 67, 044308 (2003)

R.Schmidt, A.Trzcinska, T.Czosnyka, T.von Egidy, K.Gulda, F.J.Hartmann, J.Jastrzebski, B.Ketzer, M.Kisielinski, B.Klos, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Smolanczuk, E.Widmann, S.Wycech

Nucleon density in the nuclear periphery determined with antiprotonic x rays: Cadmium and tin isotopes

NUCLEAR REACTIONS 106,116Cd, 112,116,120,124Sn(p-bar, X), E at rest; measured antiprotonic x-ray spectra. 106,116Cd, 112,116,120,124Sn deduced nucleon density distributions, radii. Comparison with previous data and model predictions.

ATOMIC PHYSICS 106,116Cd, 112,116,120,124Sn; measured antiprotonic x-ray spectra; deduced atomic level widths and shifts.

doi: 10.1103/PhysRevC.67.044308
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2002HA01      Phys.Rev. C65, 014306 (2002)

F.J.Hartmann, R.Schmidt, B.Ketzer, T.von Egidy, S.Wycech, R.Smolanczuk, T.Czosnyka, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, B.Klos, K.Gulda, W.Kurcewicz, E.Widmann

Nucleon Density in the Nuclear Periphery Determined with Antiprotonic X Rays: Calcium isotopes

ATOMIC PHYSICS 16O, 40,42,43,44,48Ca(p-bar, X), E at rest; measured antiprotonic X-ray spectra; deduced level widths. 40,42,43,44,48Ca deduced neutron density distribution features.

NUCLEAR REACTIONS 16O, 40,42,43,44,48Ca(p-bar, X), E at rest; measured antiprotonic X-ray spectra; deduced level widths. 40,42,43,44,48Ca deduced neutron density distribution features.

doi: 10.1103/PhysRevC.65.014306
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2001HA49      Acta Phys.Hung.N.S. 13, 51 (2001)

F.J.Hartmann, R.Schmidt, T.von Egidy, J.Jastrzebski, P.Lubinski, L.Pienkowski, A.Trzcinska, R.Smolanczuk, S.Wycech, B.Klos

Study of the Nuclear Periphery and Antiprotons

doi: 10.1556/APH.13.2001.1-3.7
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2001SM06      Phys.Rev. C63, 044607 (2001)

R.Smolanczuk

Formation of Superheavy Elements in Cold Fusion Reactions

NUCLEAR REACTIONS 208Pb, 209Bi(48Ca, n), (50Ti, n), (54Cr, n), (58Fe, n), (64Ni, n), 207Pb(58Fe, n), 208Pb(62Ni, n), (70Zn, n), (86Kr, n), E not given; calculated production σ. 207,208Pb(50Ti, n), (54Cr, n), (58Fe, n), (62Ni, n), (64Ni, n), (68Zn, n), (70Zn, n), (76Ge, n), (86Kr, n), (82Ge, n), (84Se, n), (86Se, n), (88Se, n), (88Kr, n), (90Kr, n), (92Kr, n), (94Sr, n), (96Sr, n), 208Pb(74Ge, n), (82Se, n), (84Kr, n), (80Ge, n), (92Sr, n), (87Rb, n), (88Sr, n), (89Y, n), 207Pb(98Sr, n), 209Bi(86Kr, n), (88Sr, n), 136Xe, 138Ba, 140Ce(136Xe, n), 136Xe(124Sn, n), E ≈ 4-6 MeV/nucleon; calculated production σ; deduced optimal bombarding energies. Comparisons with data.

doi: 10.1103/PhysRevC.63.044607
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2001SM08      Phys.Lett. 509B, 227 (2001)

R.Smolanczuk

Production and Decay of Element 120

NUCLEAR STRUCTURE 295120, 291Og, 287Lv, 283Fl, 279Cn, 275Ds, 271Hs, 267Sg, 263Rf; calculated mass excess, Eα, T1/2 for α-decay and fission. Superheavy elements production and measurement discussed.

doi: 10.1016/S0370-2693(01)00591-3
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2000SM01      Phys.Rev. C61, 011601 (2000)

R.Smolanczuk

Excitation Functions for the Production of Superheavy Nuclei in Cold Fusion Reactions

NUCLEAR REACTIONS 208Pb(50Ti, n), (58Fe, n), (86Kr, n), (87Rb, n), 209Bi(86Kr, n), E*=8-30 MeV; calculated production σ. Comparison with data.

doi: 10.1103/PhysRevC.61.011601
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1999HA41      Nucl.Phys. A655, 289c (1999)

F.J.Hartmann, T.Czosnyka, K.Gulda, J.Jastrzebski, B.Ketzer, M.Kisielinski, B.Klos, J.Kulpa, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Schmidt, R.Smolanczuk, A.Trzcinska, T.von Egidy, E.Widmann, S.Wycech

Antiprotonic Atoms as a Tool to Study the Nuclear Periphery

doi: 10.1016/S0375-9474(99)00215-8
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1999SC35      Phys.Rev. C60, 054309 (1999)

R.Schmidt, F.J.Hartmann, B.Ketzer, T.von Egidy, T.Czosnyka, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, B.Klos, R.Smolanczuk, S.Wycech, W.Poschl, K.Gulda, W.Kurcewicz, E.Widmann

Composition of the Nuclear Periphery from Antiproton Absorption using Short-Lived Residual Nuclei

NUCLEAR REACTIONS 48Ca, 100Mo, 104Ru, 112,124Sn, 116Cd(p-bar, X), E at rest; measured Eγ, Iγ(t) following residual nucleus decay; deduced yields, isomeric ratios. 48Ca, 100Mo, 104Ru, 112,124Sn, 116Cd deduced peripheral neutron-to-proton ratios, effective scattering lengths of antiprotons. Comparison with Hartree-Fock-Bogoliubov calculations.

doi: 10.1103/PhysRevC.60.054309
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1999SC49      Hyperfine Interactions 118, 67 (1999)

R.Schmidt, T.Czosnyka, K.Gulda, F.J.Hartmann, J.Jastrzebski, B.Ketzer, B.Klos, J.Kulpa, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Smolanczuk, A.Trzcinska, T.von Egidy, E.Widmann, S.Wycech

Determination of the proton and neutron densities at the nuclear periphery with antiprotonic X-rays and (p-bar)-nucleus reactions

NUCLEAR REACTIONS 172,176Yb(p-bar, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths. 172,176Yb deduced surface nucleon densities.

ATOMIC PHYSICS 172,176Yb(p-bar, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths. 172,176Yb deduced surface nucleon densities.

doi: 10.1023/A:1012680402100
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1999SM02      Phys.Rev. C59, 2634 (1999)

R.Smolanczuk

Production Mechanism of Superheavy Nuclei in Cold Fusion Reactions

NUCLEAR REACTIONS 208Pb(48Ca, n), (50Ti, n), (54Cr, n), (58Fe, n), (62Ni, n), (64Ni, n), (68Zn, n), (70Zn, n), (74Ge, n), (76Ge, n), (78Ge, n), (80Ge, n), (82Ge, n), (80Se, n), (82Se, n), (84Se, n), (86Se, n), (88Se, n), (82Kr, n), (84Kr, n), (86Kr, n), (88Kr, n), (90Kr, n), (92Kr, n), (92Sr, n), (94Sr, n), (96Sr, n), E* ≈ 13 MeV; calculated Q-values, fusion barrier heights, residuals production σ. Comparison with data.

doi: 10.1103/PhysRevC.59.2634
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1999SM08      Phys.Rev. C60, 021301 (1999)

R.Smolanczuk

Production of Superheavy Elements

NUCLEAR STRUCTURE 266Db, 269Sg, 270Bh, 273Hs, 274Mt, 277Ds, 278Rg, 281Cn, 282Nh, 285Fl, 286Mc, 289Lv, 290Ts, 293Og, 294119; calculated mass, Eα, T1/2. Proposal for superheavy element production, identification.

doi: 10.1103/PhysRevC.60.021301
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1999SM10      Acta Phys.Pol. B30, 1565 (1999)

R.Smolanczuk

Decay Properties of Heaviest Atomic Nuclei

NUCLEAR STRUCTURE Z=80-120; calculated shell correction energy; deduced shell closures, related features. Z=104-106; calculated fission, α-decay T1/2 for even-even isotopes.


1999SM17      Phys.Rev.Lett. 83, 4705 (1999)

R.Smolanczuk

Production of Even-Even Superheavy Nuclei in Cold Fusion Reactions

NUCLEAR REACTIONS 207Pb(50Ti, n), (54Cr, n), (58Fe, n), (62Ni, n), (64Ni, n), (68Zn, n), (70Zn, n), (76Ge, n), (80Se, n), (82Se, n), (84Kr, n), (86Kr, n), (78Ge, n), (80Ge, n), (82Ge, n), (84Se, n), (86Se, n), (88Se, n), (88Kr, n), (90Kr, n), (92Kr, n), (94Sr, n), (96Sr, n), (98Sr, n), E* ≈ 10 MeV; calculated fusion barrier, formation σ; deduced optimal bombarding energies.

doi: 10.1103/PhysRevLett.83.4705
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1999WY01      Nucl.Phys. A655, 257c (1999)

S.Wycech, T.Czosnyka, T.von Egidy, E.J.Hartmann, J.Jastrzebski, B.Klos, J.Kulpa, P.Lubinski, L.Pienkowski, R.Smolanczuk, R.Schmidt, A.Trzcinska

Nuclear Interactions of Antiprotons: Theory

doi: 10.1016/S0375-9474(99)00210-9
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1998LU05      Phys.Rev. C57, 2962 (1998)

P.Lubinski, J.Jastrzebski, A.Trzcinska, W.Kurcewicz, F.J.Hartmann, W.Schmid, T.von Egidy, R.Smolanczuk, S.Wycech

Composition of the Nuclear Periphery from Antiproton Absorption

NUCLEAR REACTIONS 45Sc, 56Fe, 58Ni, 96Zr, 96Ru, Cd, 106Cd, 128,130Te, Te, 144,154Sm, 148Nd, Eu, 160Gd, Yb, 176Yb, 206Pb, 232Th, 238U(p-bar, X), E at rest; measured Eγ, Iγ; deduced annihilation products yields, isomeric ratios, charge exchange processes. 58Ni, 96Ru, 96Zr, 106Cd, 128,130Te, 144,154Sm, 148Nd, 160Gd, 176Yb, 232Th, 238U deduced nuclear periphery neutron-to-proton density ratios, related features. Radiochemical methods. Shell model calculations.

doi: 10.1103/PhysRevC.57.2962
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1998SC43      Phys.Rev. C58, 3195 (1998)

R.Schmidt, F.J.Hartmann, T.von Egidy, T.Czosnyka, J.Iwanicki, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, J.Kulpa, R.Smolanczuk, S.Wycech, B.Klos, K.Gulda, W.Kurcewicz, E.Widmann

Nucleon Density of 172Yb and 176Yb at the Nuclear Periphery Determined with Antiprotonic x Rays

NUCLEAR REACTIONS 172,176Yb(p-bar, X), E at rest; measured x-ray spectra; deduced widths and shifts due to strong interaction. 172,176Yb deduced nucleon density at nuclear periphery.

doi: 10.1103/PhysRevC.58.3195
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1997PA32      Nucl.Phys. A626, 337c (1997)

Z.Patyk, R.Smolanczuk, A.Sobiczewski

Masses and Shapes of Heaviest Nuclei

NUCLEAR STRUCTURE Z=82-120; calculated masses; deduced shell, deformation effects.

doi: 10.1016/S0375-9474(97)00555-1
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1997SM03      Phys.Rev. C56, 812 (1997)

R.Smolanczuk

Properties of the Hypothetical Spherical Superheavy Nuclei

NUCLEAR STRUCTURE Z=104-120; A=274-306; calculated equilibrium deformation, α-decay T1/2, Q, SF-decay T1/2, related features.

doi: 10.1103/PhysRevC.56.812
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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.


1996SO13      Acta Phys.Pol. B27, 1011 (1996)

A.Sobiczewski, R.Smolanczuk

On Masses of Heaviest Nuclei

NUCLEAR STRUCTURE Z=82-116; N=130-154; calculated masses of heaviest nuclei. Macroscopic-microscopic approximation.


1996WY01      Phys.Rev. C54, 1832 (1996)

S.Wycech, J.Skalski, R.Smolanczuk, J.Dobaczewski, J.R.Rook

Antiprotonic Studies of Nuclear Neutron Halos

NUCLEAR STRUCTURE 58Ni, 96Zr, 130Te, 144,154Sm, 176Yb, 232Th, 238U; calculated p-bar atomic capture, nucleon capture associated σ(A-1), σ(np). Asymptotic density, Hartree-Fock, HFB models.

doi: 10.1103/PhysRevC.54.1832
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1995SM05      Phys.Rev. C52, 1871 (1995)

R.Smolanczuk, J.Skalski, A.Sobiczewski

Spontaneous-Fission Half-Lives of Deformed Superheavy Nuclei

NUCLEAR STRUCTURE Z=104-114; A=246-288; calculated equilibrium deformation, SF-decay T1/2. Dynamical approach, multi-dimensional deformation space.

doi: 10.1103/PhysRevC.52.1871
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1994LU13      Phys.Rev.Lett. 73, 3199 (1994)

P.Lubinski, J.Jastrzebski, A.Grochulska, A.Stolarz, A.Trzcinska, W.Kurcewicz, F.J.Hartmann, W.Schmid, T.von Egidy, J.Skalski, R.Smolanczuk, S.Wycech, D.Hilscher, D.Polster, H.Rossner

Neutron Halo in Heavy Nuclei from Antiproton Absorption

NUCLEAR REACTIONS 58Ni, 96Zr, 96Ru, 130Te, 154,144Sm, 176Yb, 232Th, U(p-bar, X), E at 200 MeV/c; measured residuals production yield; deduced neutron halo features.

doi: 10.1103/PhysRevLett.73.3199
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1994SO31      J.Alloys and Compounds 213/214, 38 (1994)

A.Sobiczewski, R.Smolanczuk, J.Skalski

Properties and decay of actinide and transactinide nuclei

NUCLEAR STRUCTURE Z=92-106; analyzed α-decay and fission T1/2, shell effects. 270Hs; calculated single-particle level energies.

doi: 10.1016/0925-8388(94)90878-8
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1993SM03      Acta Phys.Pol. B24, 457 (1993)

R.Smolanczuk, J.Skalski, H.V.Klapdor-Kleingrothaus, A.Sobiczewski

Importance of Sufficiently Large Deformation Space Admitted in the Analysis of Spontaneous Fission

RADIOACTIVITY 260Sg(SF); calculated T1/2. Fission trajectory, action integral minimization, large deformation space.


1993SM06      Phys.Rev. C48, R2166 (1993)

R.Smolanczuk, J.Dobaczewski

Particle-Drip Lines from the Hartree-Fock-Bogoliubov Theory with Skyrme Interaction

NUCLEAR STRUCTURE Z=20-140; N=20-260; calculated one-, two-particle drip lines, binding energy per particle; deduced shell structure weakening at drip lines, continuum coupling role. HFB with Skyrme interaction.

doi: 10.1103/PhysRevC.48.R2166
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