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NSR database version of April 25, 2024.

Search: Author = W.Scheid

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2017SA28      Phys.Rev. C 95, 054619 (2017)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Comparative analysis of the fusion reactions ⁴⁸Ti + ⁵⁸Fe and ⁵⁸Ni + ⁵⁴Fe

NUCLEAR REACTIONS ⁴⁸Ti(⁵⁸Fe, X), E(cm)=65-90 MeV; ⁵⁸Ni(⁵⁴Fe, X), E(cm)=85-110 MeV; analyzed experimental reduced fusion excitation functions, capture probabilities, fusion (capture) σ(E), fusion barrier distributions by universal fusion function; deduced astrophysical S factor, enhancement of sub-barrier fusion cross section. Quantum diffusion approach and the universal fusion function representation.

doi: 10.1103/PhysRevC.95.054619
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2016NA10      Int.J.Mod.Phys. E25, 1650022 (2016)

M.S.Nadirbekov, N.Minkov, M.Strecker, W.Scheid

Application of the triaxial quadrupole-octupole rotor to the ground and negative-parity levels of actinide nuclei

NUCLEAR STRUCTURE ^228,232Th, ^{230,232,234,236,238}U, ²⁴⁰Pu; calculated energy levels, J, π, staggering. Comparison with available data.

doi: 10.1142/S0218301316500221
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2016SC03      Int.J.Mod.Phys. E25, 1650001 (2016)

W.Scheid

Phenomenological calculation of nuclear binding energy and density with Yukawa-potentials

doi: 10.1142/S0218301316500014
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2015OG06      Phys.Atomic Nuclei 78, 985 (2015); Yad.Fiz. 78, 1047 (2015)

A.A.Ogloblin, H.Q.Zhang, C.J.Lin, H.M.Jia, S.V.Khlebnikov, E.A.Kuzmin, A.N.Danilov, A.S.Demyanova, W.H.Trzaska, X.X.Xu, F.Yang, V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid

Analysis of the role of neutron transfer in asymmetric fusion reactions at subbarrier energies

NUCLEAR REACTIONS ²⁰⁸Pb(²⁸Si, X), E=130-140 MeV; measured reaction products; deduced capture σ. Comparison with calculated values.

doi: 10.1134/S1063778815080116
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1280.

2015SA02      Phys.Rev. C 91, 014613 (2015)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Examination of the different roles of neutron transfer in the sub-barrier fusion reactions ³²S + ^{94, 96}Zr and ⁴⁰Ca + ^{94, 96}Zr

NUCLEAR REACTIONS ^90,94,96Zr(⁴⁰Ca, X), E(cm)=84-108 MeV; ^90,96Zr(⁴⁸Ca, X), E(cm)=88-109 MeV; ^90,94,96Zr(³²S, X), E(cm)=70-86 MeV; ^90,96Zr(³⁶S, X), E(cm)=71-186 MeV; calculated capture cross sections and compared with experimental data, analyzed experimental reduced fusion excitation functions; deduced s-wave capture probabilities as function of incident energy. Quantum diffusion approach and the universal fusion function representation.

doi: 10.1103/PhysRevC.91.014613
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2014OG01      Eur.Phys.J. A 50, 157 (2014)

A.A.Ogloblin, H.Q.Zhang, C.J.Lin, H.M.Jia, S.V.Khlebnikov, E.A.Kuzmin, W.H.Trzaska, X.X.Xu, F.Yan, V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid

Role of neutron transfer in asymmetric fusion reactions at sub-barrier energies

NUCLEAR REACTIONS ²⁰⁸Pb(²⁸Si, x), (³⁰Si, x), E(cm)≈115-150 MeV; measured reaction products using SSTD array; deduced fusion σ. ²⁰⁸Pb(²⁰Ne, x), E(cm)=85-109 MeV;²⁰⁸Pb(²⁸Si, x), (³⁰Si, x), E(cm)≈115-150 MeV; calculated fusion σ using quantum diffusion approach. Compared with other available data. 7

doi: 10.1140/epja/i2014-14157-y
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1280.

2014SA24      Eur.Phys.J. A 50, 71 (2014)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Derivation of breakup probabilities from experimental elastic backscattering data

NUCLEAR STRUCTURE ^6,8He, ⁸Li, ^7,9,11Be, ^8,9B, ¹⁵C, ¹⁷F; calculated breakup probability near and above Coulomb barrier.

doi: 10.1140/epja/i2014-14071-4
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2014WA07      Phys.Rev. C 89, 037601 (2014)

N.Wang, E.-G.Zhao, W.Scheid

Synthesis of superheavy nuclei with Z=118 in hot fusion reactions

NUCLEAR REACTIONS ^{249,250,251,252}Cf(⁴⁸Ca, 2n), (⁴⁸Ca, 3n), (⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E(cm)=190-260 MeV; ²⁴⁸Cm(⁵⁰Ti, 2n), (⁵⁰Ti, 3n), (⁵⁰Ti, 4n), (⁵⁰Ti, 5n), ²⁴⁴Pu(⁵⁴Cr, 2n), (⁵⁴Cr, 3n), (⁵⁴Cr, 4n), (⁵⁴Cr, 5n), E(cm)=200-280 MeV; calculated evaporation residue σ(E) for formation of Z=118 isotopes. Dinuclear system model with dynamical potential energy surface (DNS-DyPES model). Relevance to production of superheavy elements at JINR-Flerov Laboratory facility.

doi: 10.1103/PhysRevC.89.037601
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2013MI27      Phys.Rev. C 88, 064310 (2013)

N.Minkov, S.Drenska, K.Drumev, M.Strecker, H.Lenske, W.Scheid

Non-yrast spectra of odd-A nuclei in a model of coherent quadrupole-octupole motion

NUCLEAR STRUCTURE ¹⁵¹Pm, ¹⁵⁷Gd, ²²³Ra, ²³⁹Np, ²⁴³Am; calculated levels, J, π, B(E1), B(E2), non-yrast and yrast quasi-parity-doublet bands. Coherent quadrupole and octupole motion (CQOM) reflection-asymmetric model. discussed role of reflection-asymmetric deformed shell model to describe single-particle motion and Coriolis interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.064310
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2013SA03      Eur.Phys.J. A 49, 19 (2013)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Threshold energy for sub-barrier fusion hindrance phenomenon

NUCLEAR REACTIONS ¹²⁰Sn(¹⁶O, X), E(cm)=38-64 MeV; calculated quasielastic barrier, sub-barrier fusion threshold energy, barrier distribution, σ. ²⁰⁸Pb(¹⁶O, X), E(cm)=65-87 MeV;²⁰⁸Pb(α, X), E(cm)=17-27 MeV; calculated quasielastic barrier, sub-barrier fusion threshold energy, barrier distribution, σ. Quantum diffusion approach; compared with available data.

doi: 10.1140/epja/i2013-13019-6
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2013SA31      Eur.Phys.J. A 49, 54 (2013)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Sub-barrier capture reactions with ^{16, 18}O and ^{40, 48}Ca beams

NUCLEAR REACTIONS ⁵⁰Cr(¹⁸O, X), ⁵²Cr(¹⁶O, X), E(cm)=14-58 MeV;⁷⁴Ge(¹⁸O, X), ⁷⁶Ge(¹⁶O, X), E(cm)=27-42 MeV;⁹²Mo(¹⁶O, X), ⁹²Mo(¹⁸O, X), E(cm)=35-59 MeV;^112,118,124Sn(¹⁸O, X), E(cm)=42-81 MeV;^124,132Sn(⁴⁰Ca, X), (⁴⁸Ca, X), E(cm)=105-135 MeV; calculated σ. ⁷⁴Ge(¹⁸O, X), ⁷⁶Ge(¹⁶O, X), E(cm)=30-50 MeV;^144,154Sm(¹⁶O, X), E(cm)≈50-70 MeV; calculated quasielastic σ. Quantum diffusion approach, compared to data.

doi: 10.1140/epja/i2013-13054-3
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2012AD04      Rom.J.Phys. 57, 9 (2012)

G.G.Adamian, N.V.Antonenko, W.Scheid

Isotopic Dependence of the Production Cross Sections of Superheavy Nuclei

NUCLEAR REACTIONS ²⁰⁸Pb(⁶⁶Zn, X), (⁶⁷Zn, X), (⁶⁸Zn, X), (⁷⁰Zn, X)²⁷⁴Cn/²⁷⁵Cn/²⁷⁶Cn/²⁷⁸Cn, ²⁰⁷Pb(⁷⁰Zn, X)²⁷⁷Cn, E not given; calculated maximal evaporation residue σ.

2012KU02      Phys.Rev. C 85, 014319 (2012)

A.N.Kuzmina, G.G.Adamian, N.V.Antonenko, W.Scheid

Influence of proton shell closure on production and identification of new superheavy nuclei

NUCLEAR STRUCTURE Z=105-126, N=155-188, A=260-313; calculated mass excess, S(n), shell corrections, Q(α), binding energies, energies of lowest two-quasiproton states. Microscopic-macroscopic approach, modified two-center shell model (TCSM) for SHE. Comparison with experimental data.

NUCLEAR REACTIONS ²²⁶Ra, ²³²Th, ²³⁸U, ²³⁷Np, ²⁴⁴Pu, ²⁴³Am, ²⁴⁸Cm, ²⁴⁹Bk, ²⁴⁹Cf(⁴⁸Ca, X), (⁵⁰Ti, X), (⁵⁴Cr, X), (⁵⁸Fe, X), E not given; calculated complete fusion Q-values, evaporation residue cross sections, production of SHE. Modified two-center shell model (TCSM).

doi: 10.1103/PhysRevC.85.014319
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2012MI08      Phys.Rev. C 85, 034306 (2012)

N.Minkov, S.Drenska, M.Strecker, W.Scheid, H.Lenske

Non-yrast nuclear spectra in a model of coherent quadrupole-octupole motion

NUCLEAR STRUCTURE ^152,154Sm, ^154,156,158Gd, ²³⁶U, ¹⁰⁰Mo; calculated levels, J, π, yrast and non-yrast sequences with alternating parity, B(E1), B(E2), B(E3), density distribution contours, Coherent quadrupole-octupole vibrations and rotations model (CQOM). Comparison with experimental data.

doi: 10.1103/PhysRevC.85.034306
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2012MI12      Int.J.Mod.Phys. E21, 1250021 (2012)

N.Minkov, S.Drenska, M.Strecker, W.Scheid

Nuclear alternating-parity bands and transition rates in a model of coherent quadrupole-octupole motion

NUCLEAR STRUCTURE ¹⁵⁴Sm, ¹⁵⁶Gd, ¹⁰⁰Mo; calculated energy levels, J, π, B(E1), B(E2), B(E3). Comparison with experimental data.

doi: 10.1142/S0218301312500218
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2012NA10      Int.J.Mod.Phys. E21, 1250044 (2012)

M.S.Nadirbekov, G.A.Yuldasheva, N.Minkov, W.Scheid

Collective excited states in even-even nuclei with quadrupole and octupole deformations

NUCLEAR STRUCTURE ¹⁵⁰Nd, ^152,154Sm, ^154,156,158Gd, ¹⁵⁶Dy, ^162,164Er, ²²⁴Ra, ²²⁸Th, ^{232,234,236,238}U, ²⁴⁰Pu; calculated energy levels, J, π, staggering effects, yrast bands. Comparison with available data.

doi: 10.1142/S0218301312500449
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2012SA04      Phys.Rev. C 85, 017603 (2012)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, C.J.Lin, H.Q.Zhang

Oblate-prolate deformation effect in capture reactions at sub-barrier energies

NUCLEAR REACTIONS ¹⁴⁴Sm(¹⁶O, X), E(cm)=50-90 MeV; ¹⁴⁴Sm(⁴⁸Ca, X), E(cm)=125-160 MeV; ⁷⁴Ge(⁷⁴Ge, X), E(cm)=105-140 MeV; ¹⁷⁰Er, ¹⁷⁴Yb(³⁶S, X), E(cm)=105-150 MeV; calculated capture cross section, mean angular momentum. Oblate and prolate deformation effects. Quantum-diffusion approach applied for the capture process in the reactions with deformed nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.017603
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2012SA09      Phys.Rev. C 85, 024616 (2012); Erratum Phys.Rev. C 85, 069903 (2012)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Role of neutron transfer in capture processes at sub-barrier energies

NUCLEAR REACTIONS ¹²⁴Sn(⁴⁰Ca, X), E(cm)=106-127 MeV; ^90,96Zr(⁴⁰Ca, X), E(cm)=85-113 MeV; ¹³⁰Te, ¹³²Sn(⁵⁸Ni, X), (⁶⁴Ni, X), E(cm)=140-200 MeV; ²⁰⁸Pb(⁵⁸Ni, X), (⁶⁴Ni, X), E(cm)=220-245 MeV; ¹³²Sn(⁴⁰Ca, X), (⁴⁸Ca, X), E(cm)=98-144 MeV; ¹⁰⁰Mo(⁶⁰Ni, X), (⁶⁴Ni, X), E(cm)=118-162 MeV; ¹⁵⁰Nd(⁶⁰Ni, X), (⁶⁴Ni, X), E(cm)=160-210 MeV; calculated capture cross sections and reduced capture cross sections with and without 2-neutron transfer. Quantum diffusion approach for transfer of neutrons. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.024616
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2012SA13      Phys.Rev. C 85, 037602 (2012)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, C.J.Lin, H.Q.Zhang

Deformation effect in the sub-barrier capture process

NUCLEAR REACTIONS ¹⁹⁸Pt(²⁸Si, X), E(cm)=105-142 MeV; ¹⁹⁴Pt(⁴⁰Ca, X), E(cm)=153-200 MeV; ¹⁹⁴Pt, ¹⁹⁰Os(⁴⁸Ca, X), E(cm)=150-175 MeV; ¹⁹⁴Pt, ¹⁹⁰Os(³⁶S, X), E(cm)=115-141 MeV; calculated capture cross sections, mean angular momenta; deduced oblate and prolate deformation effects. Quantum-diffusion approach applied for capture process in reactions with deformed nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.037602
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2012SA30      Phys.Rev. C 86, 014602 (2012)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Influence of neutron transfer in reactions with weakly and strongly bound nuclei on the sub-barrier capture process

NUCLEAR REACTIONS ²³²Th(¹²C, X), (¹³C, X), (¹⁴C, X), (¹⁵C, X), E(cm)=49-79 MeV; ²³⁷Np(¹²C, X), E(cm)=50-78 MeV; ²⁰⁶Pb(⁶He, X), ²⁰⁸Pb(α, X), E(cm)=12-26 MeV; ²⁰⁸Pb(¹²C, X), (¹³C, X), (¹⁴C, X), (¹⁵C, X), E(cm)=48-79 MeV; ²⁰⁸Pb(¹⁸O, X), E(cm)=66-86 MeV; ¹²⁶Sn(⁴⁰Ca, X), (⁴⁸Ca, X), E(cm)-V(b)=-13-23 MeV; ^112,116,120Sn(³²S, X), E(cm)=84-113 MeV; ^{92,94,96,98,100}Mo, ^100,102,104Ru, ^{104,106,108,110}Pd (³²S, X), (³⁶S, X), E(cm)=70-96 MeV; ¹³²Sn(³²S, X), (³⁶S, X), E(cm)-V(b)=-11-21 MeV; ^112,118,124Sn(¹⁸O, X), E(cm)=41-81 MeV; ⁶⁸Zn(⁹Li, X), ⁷⁰Zn(⁷Li, X), E(cm)=6-22 MeV; ⁷⁰Zn(⁹Li, X), E(cm)=8-16 MeV; calculated capture σ. Quantum diffusion approach. Comparison with experimental data. Predictions of capture σ for (^13,14,15C)+²⁰⁸Pb, (^32,36S)+¹³²Sn, and (^40,48)Ca+¹²⁶Sn reactions. Discussed influence of neutron transfer on capture cross sections.

doi: 10.1103/PhysRevC.86.014602
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2012SA40      Phys.Rev. C 86, 034614 (2012)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Astrophysical s factor, logarithmic slope of the excitation function, and barrier distribution

NUCLEAR REACTIONS ⁵⁴Fe, ^58,60,64Ni(⁵⁸Ni, X), E=82-114 MeV; ⁴⁰Ca(⁴⁰Ca, X), E=46-67 MeV; ⁸⁹Y(⁶⁰Ni, X), E=119-139 MeV; ^90,96Zr(⁴⁸Ca, X), (⁴⁰Ca, x), (³²S, X), E=85-114 MeV; calculated capture σ(E), mean square angular momentum, astrophysical S factor, logarithmic slope of the excitation function, fusion barrier distributions. Quantum diffusion approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.034614
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2012SA52      Phys.Rev. C 86, 054610 (2012)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Search for a systematic behavior of the breakup probability in reactions with weakly bound projectiles at energies around the Coulomb barrier

NUCLEAR REACTIONS ²⁷Al, ⁶⁴Zn, ⁸⁹Y, ¹²⁴Sn, ¹⁴⁴Sm, ²⁰⁸Pb, ²⁰⁹Bi(⁹Be, X), ⁶⁴Zn, ¹⁴⁴Sm, ¹⁹⁸Pt, ²⁰⁸Pb, ²⁰⁹Bi(⁶Li, X), ²⁷Al, ⁶⁴Zn, ¹⁵⁹Tb, ¹⁶⁵Ho, ¹⁹⁷Au, ²⁰⁹Bi(⁷Li, X), ⁷⁰Zn, ²⁰⁸Pb, ²⁰⁹Bi(⁹Li, X), ²⁰⁸Pb(¹¹Li, X), ⁶⁴Zn, ¹⁹⁷Au(α, X), ⁶⁴Zn, ¹⁹⁷Au, ²⁰⁹Bi(⁶He, X), ¹⁹⁷Au(⁸He, X), ¹⁵⁹Tb, ²⁰⁹Bi(¹⁰B, X), (¹¹BE, X), ²⁰⁸Pb(¹¹Li, X), E(cm)=5-50 MeV; calculated capture cross sections; analyzed breakup probabilities for weakly bound projectiles using experimental complete fusion σ. Quantum diffusion approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.054610
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2012SA59      Eur.Phys.J. A 48, 188 (2012)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Quasifission at extreme sub-barrier energies

NUCLEAR REACTIONS ⁹²Mo(⁹²Mo, X), E(cm)=178-208 MeV;⁹⁴Mo(⁹⁴Mo, X), E(cm)=172-207 MeV;¹⁰⁰Ru(¹⁰⁰Ru, X), E(cm)=185-218 MeV;¹⁰⁴Pd(¹⁰⁴Pd, X), E(cm)=201-240 MeV;¹¹²Sn(⁷⁸Kr, X), E(cm)=170-218 MeV; calculated capture σ using quantum diffusion approach.

doi: 10.1140/epja/i2012-12188-0
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2012WA12      Phys.Rev. C 85, 041601 (2012)

N.Wang, E.-G.Zhao, W.Scheid, S.-G.Zhou

Theoretical study of the synthesis of superheavy nuclei with Z=119 and 120 in heavy-ion reactions with trans-uranium targets

NUCLEAR REACTIONS ²³⁸U, ²³⁷Np, ²⁴²Pu, ²⁴³Am, ²⁴⁸Cm, ²⁴⁹Bk, ²⁴⁹Cf(⁴⁸Ca, xn)²⁸³Cn/²⁸²Nh/²⁸⁶Fl/²⁸⁸Mc/²⁹²Lv/²⁹³Ts/²⁹⁴Og, E(cm)=194.7-211.3 MeV; ²⁴⁹Bk, ^249,251Cf(⁵⁰Ti, xn)²⁹⁵119/²⁹⁶120/²⁹⁸120, E(cm)=220-280 MeV; calculated maximal values of evaporation-residue cross sections. Dinuclear system model with a dynamical potential energy surface (DNS-DyPES). Comparison with experimental data.

doi: 10.1103/PhysRevC.85.041601
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2011AD07      Int.J.Mod.Phys. E20, 919 (2011)

G.G.Adamian, N.V.Antonenko, V.V.Sargsyan, A.S.Zubov, W.Scheid

Formation of hyperdeformed states from dinuclear system

doi: 10.1142/S0218301311018976
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2011AD09      Int.J.Mod.Phys. E20, 999 (2011)

G.G.Adamian, N.V.Antonenko, V.V.Sargsyan, W.Scheid

Production of neutron-rich isotopes in transfer-type reactions

NUCLEAR REACTIONS ²⁴⁴Pu, ²³⁸U(⁴⁸Ca, X)⁸⁶Ge/⁸⁸Ge/⁹⁰Ge/⁹²Ge/⁸²Zn/⁸⁴Zn/⁸⁶Zn, E(cm)<201 MeV; calculated mass yields, σ. Comparison with experimental data.

doi: 10.1142/S0218301311019131
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2011DA15      Phys.Rev. C 84, 024302 (2011)

J.Darai, J.Cseh, N.V.Antonenko, G.Royer, A.Algora, P.O.Hess, R.V.Jolos, W.Scheid

Clusterization in the shape isomers of the ⁵⁶Ni nucleus

NUCLEAR STRUCTURE ⁵⁶Ni; calculated energetics and deformation parameters of shape isomers, triaxial, superdeformed and hyperdeformed structures with binary cluster configurations. Quasimolecular shape sequence. Generalized Liquid Drop Model. Quasidynamical U(3) symmetry based on a Nilsson calculation.

doi: 10.1103/PhysRevC.84.024302
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2011DO10      Nucl.Phys. A861, 1 (2011)

J.Dong, W.Zuo, W.Scheid

New approach for alpha decay half-lives of superheavy nuclei and applicability of WKB approximation

RADIOACTIVITY ^270,272,274Bh, ^{274,275,276,278}Mt, ^{278,279,280,282}Rg, ^283,285Cn, ^{282,283,284,286}Nh, ^287,288,289Fl, ^{287,288,289,290}Mc, ^{290,291,292,293}Lv, ²⁹⁴Og(α); calculated T_1/2, potential barrier, proton-, α- and cluster-penetrability. Comparison with available data.

doi: 10.1016/j.nuclphysa.2011.06.016
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2011DO11      Phys.Rev.Lett. 107, 012501 (2011)

J.Dong, W.Zuo, W.Scheid

Correlation between α-Decay Energies of Superheavy Nuclei Involving the Effects of Symmetry Energy

RADIOACTIVITY ^280,282Rg, ^283,285Cn, ^{282,283,284,285,286}Nh, ^{286,297,288,289}Fl, ^{287,288,289,290}Mc, ^{290,291,292,293}Lv, ^293,294Ts, ²⁹⁴Og(α); calculated Q-values; deduced symmetry dependent formula. Liquid-drop model.

doi: 10.1103/PhysRevLett.107.012501
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2011HU12      Phys.Rev. C 84, 064619 (2011)

M.Huang, Z.Zhang, Z.Gan, X.Zhou, J.Li, W.Scheid

Dynamical deformation in heavy ion collisions and formation of superheavy nuclei

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, X), E*=30-55 MeV; calculated potential energy surfaces (PES), probability distributions as function of deformation and interaction times, mean values of deformations of fragments, quasifission yields of fragments. ²³⁸U, ²⁴⁸Cm(⁴⁸Ca, X), E*=30-55 MeV; calculated mass yields, fusion probability. Dinuclear system conception. Relevance to formation of superheavy nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.064619
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2011KA08      Acta Phys.Pol. B42, 487 (2011)

Sh.A.Kalandarov, G.G.Adamian, N.V.Antonenko, W.Scheid, J.P.Wieleczko

Angular Momentum Dependence of Cluster Emission from Highly Excited Nuclei

NUCLEAR REACTIONS ⁹Be(⁹³Nb, X), E=782 MeV; ⁶⁵Cu(⁴⁵Sc, X), E=200 MeV; calculated fragment charge distribution, partial production σ for the clusters of C, O, Ne. Dinuclear system model, comparison with experimental data.

doi: 10.5506/APhysPolB.42.487
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2011KA17      Phys.Rev. C 83, 054611 (2011)

Sh.A.Kalandarov, G.G.Adamian, N.V.Antonenko, W.Scheid

Role of angular momentum in the production of complex fragments in fusion and quasifission reactions

NUCLEAR REACTIONS ⁹Be(⁹³Nb, X), E=8.4, 11.4, 18 MeV/nucleon; ¹²C, ²⁷Al(⁹³Nb, X), E=11.4, 18 MeV/nucleon; ²⁷Al(⁸⁴Kr, X), E=5.9, 10.6 MeV/nucleon; ⁶³Cu(⁸⁶Kr, X), E=5.65, 6.4, 7.44 MeV/nucleon; ¹²C, ²⁷Al(¹³⁹La, X), E=14.7, 18 MeV/nucleon; ⁶⁵Cu(⁴⁵Sc, X), E=4.44 MeV/nucleon; ⁹⁶Zr(²⁸Si, X), E=5.7 MeV/nucleon; ¹³⁰Te(α, X), E=26 MeV/nucleon; ⁸²Kr(⁴⁰Ca, X), E=3.6, 5.5 MeV/nucleon; calculated charge distributions of the products with Z=2-70, mass distributions of products with A=2-50, driving potentials and production cross sections as function of angular momentum. Dinuclear system (DNS) model for quasifission channel, and Monte Carlo method for cascade of decay channels. Role of the angular momentum of the system in the emission of complex fragments. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.054611
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2011KA30      Phys.Rev. C 84, 054607 (2011)

Sh.A.Kalandarov, G.G.Adamian, N.V.Antonenko, W.Scheid, S.Heinz, V.Comas, S.Hofmann, J.Khuyagbaatar, D.Ackermann, J.Heredia, F.P.Hessberger, B.Kindler, B.Lommel, R.Mann

Emission of clusters with Z > 2 from excited actinide nuclei

NUCLEAR REACTIONS ²⁰⁶Pb(²⁵Mg, X)²¹¹Po/²⁰⁸Rn/²⁰⁹Rn/²¹⁰Rn/²¹¹Rn/²¹²Rn/²¹³Rn/²⁰⁹Fr/²¹⁰Fr/²¹¹Fr/²¹²Fr/²¹³Fr/²¹²Ra/²¹³Ra/²¹⁴Ra/²¹⁵Ra/²¹⁴Th/²¹⁵Th/²¹⁶Th/²¹⁷Th/²¹⁸Th, E=5.9, 6.3, 8.7 MeV/nucleon; Pt(³⁶S, X)²⁰⁷Rn/²⁰⁸Rn/²⁰⁹Rn/²¹⁰Rn/²¹³Rn/²⁰⁹Fr/²¹⁰Fr/²¹¹Fr/²¹²Fr/²¹³Fr/²¹⁰Ra/²¹¹Ra/²¹²Ra/²¹³Ra/²¹⁴Ra/²¹⁵Ra, E=5.30, 5.50, 5.96 MeV/nucleon; W(⁴⁸Ca, X)²⁰⁷Rn/²⁰⁸Rn/²⁰⁹Rn/²¹⁰Rn/²¹³Rn/²⁰⁹Fr/²¹⁰Fr/²¹¹Fr/²¹²Fr/²¹⁰Ra/²¹¹Ra/²¹²Ra/²¹³Ra/²¹⁴Ra/²¹⁵Ra/²¹⁹Th/²²⁰Th/²²¹Th/²²²Th/²²³Th, E=5.41 MeV/nucleon; measured Eα, Iα, cross sections, charge, and isotopic distributions of the residual heavy nuclei, velocity spectra using SHIP filter at GSI. Emission of complex fragments with Z>2 Comparison with theoretical calculations using dinuclear system model.

doi: 10.1103/PhysRevC.84.054607
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2011KA38      Phys.Rev. C 84, 064601 (2011)

Sh.A.Kalandarov, G.G.Adamian, N.V.Antonenko, W.Scheid, J.P.Wieleczko

Role of the entrance channel in the production of complex fragments in fusion-fission and quasifission reactions in the framework of the dinuclear system model

NUCLEAR REACTIONS ²⁷Al(¹⁶O, X), E=2, 4.77, 5.9, 85-95 MeV/nucleon; ²⁷Al(²²O, X), E=2.95 MeV/nucleon; ^78,92Kr(⁴⁰Ca, X), E=5.5 MeV; ⁸⁶Kr(⁴⁸Ca, X), E=5.5 MeV/nucleon; ¹²²Sn(¹²C, X), E=12.0 MeV/nucleon; ¹⁰⁰Mo(³²S, X), E=6.25, 10.0 MeV/nucleon; ¹⁴⁴Sm(⁴⁸Ca, X), E=4.65 MeV/nucleon; ¹⁵⁴Sm(⁴⁸Ca, X), E=4.2 MeV/nucleon; ¹⁸¹Ta(²⁰Ne, X), E=5, 7.5, 9 MeV/nucleon; ¹⁸¹Ta(²⁸Ne, X), E=4.95 MeV/nucleon; calculated charge and mass distributions, average TKE of products, fusion and quasifission yields and cross sections, proton and α multiplicities. ^78,92Kr(⁴⁰Ca, X)¹¹⁸Ba*/¹³²Ba*; ⁸⁶Kr(⁴⁸Ca, X)¹³⁴Ba*; ¹⁰⁰Mo(³²S, X)¹³²Ce*; ¹³⁴Xe*; calculated driving potentials as function of angular momentum. ¹³⁴Xe*; calculated yields of decay fragments from excited (at E*=100, 200, 400 MeV) rotating compound nucleus from spin J=0 to 85. Dinuclear system model. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.064601
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2011MI04      Int.J.Mod.Phys. E20, 228 (2011)

N.Minkov, S.Drenska, M.Strecker, W.Scheid

Parity effects in nuclear collective and single particle motion

NUCLEAR STRUCTURE ^219,225Ra, ²²⁵Th, ²⁴¹Cm; calculated energies, J, π, deformation parameters; deduced the connection between parity-mixed single-particle state and the structure of the collective spectrum.

doi: 10.1142/S0218301311017569
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2011SA11      Eur.Phys.J. A 47, 38 (2011)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Sub-barrier capture with quantum diffusion approach: Actinide-based reactions

NUCLEAR REACTIONS ²³²Th(¹⁶O, X), E(cm)=63-112 MeV;²³²Th(¹⁹F, X), E(cm)=66-98 MeV;²³²Th(³²S, X), E(cm)=128-174 MeV;²³⁸U(α, X), E(cm)=14-42 MeV;²³⁸U(¹⁶O, X), E(cm)=65-105 MeV;²³⁸U(²⁰Ne, X), E(cm)=88-128 MeV;²³⁸U(³⁰Si, X), E(cm)=112-152 MeV;²³⁸U(³²S, X), E(cm)=128-174 MeV;²³⁸U(³⁶S, X), E(cm)=134-186 MeV;²³⁸U(⁴⁸Ca, X), E(cm)=168-218 MeV;²⁴⁴Pu(³⁶S, X), E(cm)=142-182 MeV;²⁴⁴Pu(⁴⁸Ca, X), E(cm)=178-220 MeV;²⁴⁴Pu(⁵⁰Ti, X), E(cm)=197-232 MeV;²⁴⁶Cm(⁴⁸Ca, X), E(cm)=182-220 MeV;²⁴⁸Cm(³⁶S, X), E(cm)=142-172 MeV;²⁴⁸Cm(⁴⁸Ca, X), E(cm)=182-220 MeV; calculated σ. ²³²Th(¹⁶O, X), E(cm)=68-90 MeV;²³²Th(¹⁹F, X), E(cm)=68-98 MeV;²³²Th(⁴⁸Ca, X), E(cm)=161-198 MeV;²³⁸U(¹⁶O, X), E(cm)=70-89 MeV; calculated mean-square angular momentum. ²³²Th(¹⁶O, X), E(cm)=67.5-75.5 MeV;²³⁸U(α, X), E(cm)=14.5-26.5 MeV;²³⁸U(¹⁶O, X), E(cm)=67-92 MeV; calculated S-factor. Diffusion approach to capture σ below Coulomb barrier with deformation taken into account. Comparison with available data.

doi: 10.1140/epja/i2011-11038-y
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2011SA65      Phys.Rev. C 84, 064614 (2011)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid, H.Q.Zhang

Effects of nuclear deformation and neutron transfer in capture processes, and fusion hindrance at deep sub-barrier energies

NUCLEAR REACTIONS ¹⁵⁴Sm(⁴⁸Ca, X), E(cm)=125-150 MeV; ^144,154Sm(⁴⁰Ar, X), E(cm)=105-145 MeV; ^144,154Sm(¹⁶O, X), E(cm)=50-90 MeV; ⁷⁴Ge(⁷⁴Ge, X), E(cm)=105-140 MeV; ^90,94Zr(²⁸Si, X), E(cm)=60-95 MeV; ^112,116,122Sn(⁴⁰Ar, X), ^144,154Sm(²⁸Si, X), E(cm)=90-125 MeV; ^90,96Zr(³²S, X), (³⁶S, X), E(cm)=65-95 MeV; ¹⁶⁸Er(³⁴S, X), E(cm)=105-140 MeV; ¹³²Sn(⁶⁴Ni, X), E(cm)=145-200 MeV; ¹⁰⁰Mo(⁶⁰Ni, X), (⁶⁴Ni, X), E(cm)=120-160 MeV; ^58,64Ni(⁵⁸Ni, X), E(cm)=88-110 MeV; ¹⁵⁰Nd(⁶⁰Ni, X), (⁶⁴Ni, X), E(cm)=160-210 MeV; ⁷⁴Ge(⁵⁸Ni, X), (⁶⁴Ni, X), E(cm)=95-120 MeV; ²⁰⁸Pb(⁴⁰Ca, X), (⁴⁸Ca, X), E(cm)=160-195 MeV; ^90,96Zr(⁴⁰Ca, X), E(cm)=85-115 MeV; ⁹⁴Zr(⁴⁰Ca, X), E(cm)=85-105 MeV; ¹⁹²Os(⁴⁰Ca, X), E(cm)=150-185 MeV; ⁴⁸Ca(⁴⁰Ca, X), E(cm)=44-68 MeV; ¹⁹⁴Pt(⁴⁰Ca, X), E(cm)=160-200 MeV; ^116,124Sn(⁴⁰Ca, X), E(cm)=105-130 MeV; ¹¹⁰Pd(³²S, X), (³⁶S, X), E(cm)=75-95 MeV; ¹⁴²Ce(²⁸Si, X), E(cm)=85-125 MeV; ¹⁹⁸Pt, ²⁰⁸Pb(²⁸Si, X), E(cm)=110-150 MeV; ¹⁵⁴Sm(³²S, X), E(cm)=95-130 MeV; ²⁰⁸Pb(³²S, X), E(cm)=130-160 MeV; ²⁰⁷Pb(⁵⁸Ni, X), (⁶⁴Ni, X), E(cm)=220-250 MeV; ¹⁵⁴Sm(⁴⁰Ca, X), (⁴⁸Ca, X), E(cm)=120-150 MeV; ⁶⁴Ni, (⁶⁴Ni, X), E(cm)=85-105 MeV; ²³⁸U(⁴⁰Ca, X), (⁴⁸Ca, X), E(cm)=170-215 MeV; ⁴⁸Ca(³⁶S, X), E(cm)=35-55 MeV; ⁶⁴Ni(³⁶S, X), E(cm)=50-60 MeV; calculated capture cross sections. Quantum diffusion approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.064614
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2011SC20      Int.J.Mod.Phys. E20, 1765 (2011)

W.Scheid, B.Apagyi

Discussion of quantum inverse scattering problems for coupled channels at fixed energy

doi: 10.1142/S0218301311019660
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2011SH06      Acta Phys.Pol. B42, 481 (2011)

T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos, W.Scheid

Multiple Reflection Asymmetric Type Band Structures in ²²⁰Th and Dinuclear Model

NUCLEAR STRUCTURE ²²⁰Th; analyzed lowest negative parity bands; calculated energies, J, π, parity splitting, B(E1)/B(E2). Dinuclear system model, comparison with experimental data.

doi: 10.5506/APhysPolB.42.481
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2011SH09      Eur.Phys.J. A 47, 34 (2011)

T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos, W.Scheid

Multiple reflection-asymmetric-type band structures in ²²⁰Th and dinuclear model

NUCLEAR STRUCTURE ²²⁰Th; calculated levels, J, π, B(E1), B(E2), rotational band, bands using dinuclear model with collective motion in mass asymmetry. Comparison with data.

doi: 10.1140/epja/i2011-11034-3
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2011TA27      Eur.Phys.J. A 47, 136 (2011)

R.B.Tashkhodjaev, A.K.Nasirov, W.Scheid

Collinear cluster tripartition as sequential binary fission in the ²³⁵U(nth, f) reaction

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; calculated fission isotope yields; deduced possible sequential fission assuming collinear cluster tripartition.

doi: 10.1140/epja/i2011-11136-x
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2011WA41      Phys.Rev. C 84, 061601 (2011)

N.Wang, J.Tian, W.Scheid

Systematics of fusion probability in "hot" fusion reactions

NUCLEAR REACTIONS ²³⁸U, ^242,244Pu, ²⁴³Am, ^245,248Cm, ²⁴⁹Bk, ²⁴⁹Cf(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E(cm)=190-220 MeV; ²⁰⁸Pb(⁴⁸Ca, n), (⁴⁸Ca, 2n), E(cm)=160-200 MeV; ²⁰⁸Pb(⁵⁰Ti, n), (⁵⁰Ti, 2n), E(cm)=170-210 MeV; ²⁰⁸Pb(⁵⁴Cr, n), (⁵⁴Cr, n), E(cm)=195-220 MeV; ²⁰⁸Pb(⁵⁸Fe, n), (⁵⁸Fe, 2n), E(cm)=210-230 MeV; ²⁰⁹Bi(⁵⁸Fe, n), E(cm)=210-230 MeV; ²⁰⁸Pb(⁶²Ni, n), E(cm)=235-255 MeV; ²⁰⁸Pb(⁶⁴Ni, n), E(cm)=235-255 MeV; ²⁰⁸Pb(⁷⁰Zn, n), E(cm)=250-270 MeV; ²⁰⁹Bi(⁶⁴Ni, n), E(cm)=235-260 MeV; ²⁰⁹Bi(⁷⁰Zn, n), E(cm)=255-270 MeV; ²⁴⁹Bk(⁵⁰Ti, 3n), (⁵⁰Ti, 4n), E(cm)=210-240 MeV; ²⁴⁸Cm(⁵⁴Cr, 3n), (⁵⁴Cr, 4n), E(cm)=230-255 MeV; ²⁴⁹Cf(⁵⁰Ti, 3n), (⁵⁰Ti, 4n), E(cm)=215-245 MeV; ²⁴⁴Pu(⁵⁸Fe, 3n), (⁵⁸Fe, 4n), E(cm)=240-270 MeV; calculated evaporation residual cross sections. Hot fusion reactions, super-heavy nuclei. Skyrme energy-density functionals. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.061601
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2010AD04      Phys.Rev. C 81, 024320 (2010)

G.G.Adamian, N.V.Antonenko, W.Scheid

High-spin isomers in some of the heaviest nuclei: Spectra, decays, and population

NUCLEAR STRUCTURE ¹⁷⁶Yb, ¹⁷⁸Hf, ¹⁸⁰W, ¹⁸²Os, ¹⁸⁴Pt; calculated energies of two-quasiparticle 8- states. ^{242,244,246,248,250,252,254,256}Fm, ^{244,246,248,250,252,254,256}No, ²⁵⁸Rf, ²⁶²Sg, ²⁶⁶Hs, ²⁷⁰Ds; calculated energies of two-quasiparticle states. ²⁴⁸Fm, ²⁵⁴No, ²⁵⁶Rf, ²⁶⁰Sg, ²⁶⁴Hs, ²⁶⁸Ds; calculated energies of two-quasiparticle states and isomer-isomer α-decaying states. Two-center shell-model (TCSM) calculations. Comparison with experimental data.

RADIOACTIVITY ^252,254No, ^256,258Rf, ^260,262Sg, ^264,266Hs, ^268,270Ds(α), (SF); calculated Q-values, branching ratios, and half-lives using two-center shell model (TCSM). Comparison with experimental data.

NUCLEAR REACTIONS ²³²Th(²⁰Ne, xn), ²³⁸U(²²Ne, xn), ²⁴⁸Cm(¹²C, xn), ²⁴⁹Cf(¹⁸O, xn); discussed suitability for production of ^248,252Fm, ²⁵⁶No, ²⁶²Sg nuclei and search for low-lying K isomers.

doi: 10.1103/PhysRevC.81.024320
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2010AD05      Phys.Rev. C 81, 024604 (2010)

G.G.Adamian, N.V.Antonenko, V.V.Sargsyan, W.Scheid

Possibility of production of neutron-rich Zn and Ge isotopes in multinucleon transfer reactions at low energies

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X)⁸²Zn/⁸⁴Zn/⁸⁶Zn, E(cm)=179-195 MeV; ²⁴⁴Pu(⁴⁸Ca, X)⁸⁶Ge/⁸⁸Ge/⁹⁰Ge/⁹²Ge, E(cm)=179-201 MeV; calculated σ. ²³⁸U(⁴⁸Ca, X), E(cm)=190.2 MeV; ²⁴⁴Pu(⁴⁸Ca, X), E(cm)=201 MeV; calculated mass yields for A=60-142 quasifission products. Comparison with experimental data. ²³⁸U(⁴⁸Ca, X)⁸⁴Zn, E(cm)=179-186 MeV; calculated excitation function.

doi: 10.1103/PhysRevC.81.024604
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2010AD08      Phys.Rev. C 81, 057602 (2010)

G.G.Adamian, N.V.Antonenko, V.V.Sargsyan, W.Scheid

Predicted yields of new neutron-rich isotopes of nuclei with Z = 64-80 in the multinucleon transfer reaction ⁴⁸Ca + ²³⁸U

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, xn), (⁴⁸Ca, X), E(cm)=189 MeV; calculated σ for primary isotopes in neutron evaporation and secondary isotopes in other channels in Z=64-80 and A=156-214 region. Z=64, A=156-176; Z=65, A=157-177; Z=66, A=158-180; Z=67, A=163-183; Z=68, A=166-186; Z=69, A=169-187; Z=70, A=172-192; Z=71, A=175-194; Z=72, A=178-197; Z=73, A=181-199; Z=74, A=184-200; Z=75, A=189-203; Z=78, A=196-209; Z=79, A=199-211; Z=80, A=201-214; calculated yields using the diffusive multinucleon transfer reaction mechanism as an evolution of the dinuclear system (DNS).

doi: 10.1103/PhysRevC.81.057602
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2010AD12      Phys.Rev. C 82, 017601 (2010)

G.G.Adamian, N.V.Antonenko, V.V.Sargsyan, W.Scheid, A.S.Zubov

Transfer-induced fission of superheavy nuclei

NUCLEAR REACTIONS ²⁴⁴Cm(⁴⁸Ca, F), E(cm)=207, 227 MeV; ²⁴⁶Cm(⁴⁸Ca, F), E(cm)=205.5, 225.5 MeV; ²⁴⁸Cm(⁴⁸Ca, F), E(cm)=204, 205, 224 MeV; calculated σ, excitation energies of the fissioning superheavy nuclei. ^257,259Md, ^258,260,262No, ^261,263,265Lr, ^264,266Rf, ^265,267,269Db, ^268,270,272Sg, ^269,271,273Bh, ^272,274Hs; calculated cross sections σ_f of transfer-induced fission of superheavy nuclei.

doi: 10.1103/PhysRevC.82.017601
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2010AD16      Nucl.Phys. A834, 345c (2010)

G.G.Adamian, N.V.Antonenko, V.V.Sargsyan, W.Scheid

Possibility of production of new superheavy nuclei in complete fusion reactions

NUCLEAR REACTIONS ²³⁷Np, ²³⁸U, ^242,244Pu, ²⁴³Am, ^245,248Cm, ²⁴⁹Cf(⁴⁸Ca, 3n), E not given; ²³⁸U, ^242,244Pu, ²⁴³Am, ²⁴⁸Cm(⁴⁸Ca, 4n), E not given; calculated σ, survival probabilities using di-nuclear system fusion model with Dubna and GSI data.

doi: 10.1016/j.nuclphysa.2010.01.036
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2010AD17      Physics of Part.and Nuclei 41, 1101 (2010)

G.G.Adamian, N.V.Antonenko, L.A.Malov, B.N.Lu, S.G.Zhou, W.Scheid

Isomeric states in heavy nuclei

NUCLEAR STRUCTURE ²⁴³Pu, ²⁴⁵Cm, ²⁴⁷Cf, ²⁴⁹Fm, ²⁵¹No, ²⁷⁰Ds, ²⁶⁶Hs, ²⁶²Sg, ²⁵⁸Rf, ²⁵⁴No; calculated one-, two-quasiparticle states and energies, J, π. HB and shell models.

doi: 10.1134/S1063779610070269
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2010AD19      Phys.Rev. C 82, 054304 (2010)

G.G.Adamian, N.V.Antonenko, S.N.Kuklin, W.Scheid

One-quasiparticle states in odd-Z heavy nuclei

NUCLEAR STRUCTURE ²⁵³Lr, ²⁵⁷Db, ²⁶¹Bh, ²⁶⁵Mt, ²⁶⁹Rg; calculated β₂, β₄, β₆ deformation parameters. ²⁴⁹Md; calculated potential energy surface in the β₂, β₄ plane. ²³⁷Np, ^{243,245,247,249,251,253,255}Es, ^{243,245,247,249,251,253,255,257}Md, ^253,255Lr, ²⁵⁷Db, ²⁶¹Bh, ²⁶⁵Mt, ²⁶⁹Rg; calculated low-lying one-quasiparticle spectra, rotational bands using two-center shell model (TCSM) approach. ²⁵²Md; calculated 2-quasiparticle low-lying states. Comparison with experimental data.

RADIOACTIVITY ²⁵⁷Db, ^253,255Lr, ²⁵¹Md(α); proposed α- and γ-decay schemes based on one-quasiparticle spectra. ^{247,249,251,253,255,257}Md, ²⁶⁵Mt, ²⁶⁹Rg(α); calculated Q(α); proposed decay schemes. Comparison with experimental data. Two-center shell model (TCSM) approach.

doi: 10.1103/PhysRevC.82.054304
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2010DA20      J.Phys.:Conf.Ser. 205, 012022 (2010)

J.Darai, J.Cseh, A.Lepine-Szily, A.Algora, P.O.Hess, N.V.Antonenko, R.V.Jolos, W.Scheid

Exotic shapes and clusterization of atomic nuclei

NUCLEAR STRUCTURE ³⁶Ar; calculated quadrupole deformation, rotational band, yrast, superdeformed band, hyperdeformed band, shape isomers using dynamical U(3) symmetry based on Nilsson model.

NUCLEAR REACTIONS ²⁴Mg(¹²C, X), ²⁰Ne(¹⁶O, X), E not given; calculated hyperdeformed bands in ³⁶Ar.

doi: 10.1088/1742-6596/205/1/012022
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2010FE06      Nucl.Phys. A834, 384c (2010)

Z.-Q.Feng, G.-M.Jin, J.-Q.Li, W.Scheid

Production mechanism of superheavy nuclei in massive fusion reactions

NUCLEAR REACTIONS ²⁰⁸Pb, ²⁰⁹Bi(⁴⁸Ca, n), (⁵⁰Ti, n), (⁵⁴Cr, n), (⁵⁸Fe, n), (⁶⁴Ni, n), (⁷⁰Zn, n), (⁷⁶Ge, n), (⁸²Se, n), (⁸⁶Kr, n), (⁸⁸Sr, n), E not given; ²³²Th, ²³⁸U, ²³⁷Np, ^242,244Pu, ²⁴³Am, ^245,248Cm, ²⁴⁷Bk, ²⁴⁹Cf, ²⁵⁴Es, ²⁵⁷Fm(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E not given; calculated maximum σ systematics of Z=102-120 superheavy elements. ²⁰⁸Pb(⁷⁶Se, X), (⁷⁷Se, X), (⁷⁸Se, X), (⁷⁹Se, X), (⁸⁰Se, X), (⁸²Se, X), E^*=11-14 MeV; ^{242,243,244,245,246,247,248,250}Cm(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E^*=28-42 MeV; calculated fusion σ systematics for Z=116 superheavy element production. Master equation within di-nuclear system model. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.046
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2010HU14      Phys.Rev. C 82, 044614 (2010)

M.Huang, Z.Gan, X.Zhou, J.Li, W.Scheid

Competing fusion and quasifission reaction mechanisms in the production of superheavy nuclei

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, X), E(cm)=203 MeV; calculated potential energy surfaces, mass yields, evaporation residue cross sections, fusion probability distribution. ²³⁷Np, ²³⁸U, ²⁴²Pu, ²⁴³Am, ^245,248Cm, ^247,249Bk, ²⁴⁹Cf, ^252,254Es, ²⁵⁷Fm(⁴⁸Ca, X), ²⁰⁸Pb(⁵⁸Fe, X), E(cm)=203 MeV; calculated evaporation residue σ and mass yields. Hot fusion reactions for production of SHE. Kramer's formula (KRA-F) for quasifission process. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.044614
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2010JI05      Phys.Rev. C 81, 044602 (2010)

Y.Jiang, N.Wang, Z.Li, W.Scheid

Dynamical nucleus-nucleus potential at short distances

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, X), E(cm)=50-140 MeV; ²⁰⁸Pb(⁴⁸Ca, X), E(cm)=170-210 MeV; ¹³⁰Te(¹²⁶Sn, X), E(cm)=270-360 MeV; calculated σ(E), nucleus-nucleus potentials, barrier heights, particle kinetic energy using improved quantum molecular dynamics (ImQMD) model together with the extended Thomas-Fermi (ETF) approximation. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.044602
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2010KA27      Phys.Rev. C 82, 044603 (2010)

Sh.A.Kalandarov, G.G.Adamian, N.V.Antonenko, W.Scheid

Emission of charged particles from excited compound nuclei

NUCLEAR REACTIONS ⁶³Cu(¹²C, X), E=12.6 MeV/nucleon; Ag(³He, X), E=30 MeV/nucleon; ⁷⁸Kr(¹²C, X), E=8.52 MeV/nucleon; ⁸⁶Kr(¹²C, X), E=9.31, 12.94 MeV/nucleon; calculated cross sections of charge and mass distributions of fragments, excitation energies and spins of primary decay products, average total kinetic energies, isotopic distributions of binary decay products of fragments using dinuclear system (DNS) model. Cluster emission. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.044603
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2010LI11      Int.J.Mod.Phys. E19, 359 (2010)

L.-L.Li, S.-G.Zhou, E.-G.Zhao, W.Scheid

A new barrier penetration formula and its application to α-decay half-lives

NUCLEAR STRUCTURE Z=52-84, A=106-206; calculated Coulomb barrier; deduced barrier penetration formula. Comparison with WKB method.

doi: 10.1142/S0218301310014790
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2010LI32      Nucl.Phys. A834, 353c (2010)

J.-Q.Li, Z.-Q.Feng, Z.-G.Gan, X.-H.Zhou, H.-F.Zhang, W.Scheid

Production of Superheavy Nuclei in Massive fusion reactions

NUCLEAR REACTIONS ²⁰⁸Pb, ²⁰⁹Bi(⁴⁸Ca, n), (⁵⁰Ti, n), (⁵⁴Cr, n), (⁵⁸Fe, n), (⁶⁴Ni, n), (⁷⁰Zn, n), (⁷⁶Ge, n), (⁸²Se, n), (⁸⁶Kr, n), (⁸⁸Sr, n), E not given; ²³²Th, ²³⁸U, ²³⁷Np, ^242,244Pu, ²⁴³Am, ^245,248Cm, ²⁴⁷Bk, ²⁴⁹Cf, ²⁵⁴Es, ²⁵⁷Fm(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E not given; calculated maximum σ systematics of Z=102-120 superheavy elements using master equation within di-nuclear system model. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.038
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2010MA69      Eur.Phys.J. A 46, 403 (2010)

L.Ma, H.F.Zhang, X.H.Zhou, Z.G.Gan, J.Q.Li, W.Scheid

Systematic study of properties of Hs nuclei

NUCLEAR STRUCTURE ^{257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,289,290,291,292,293,294,295,296,297,298}Hs; calculated mass excess, Q_α, β₂, proton separation energy, two-neutron separation energy. ^254,255,270Hs; calculated levels, J, π. Relativistic mean-field theory, DDDI (density-dependent delta interaction), GLDM (generalized liquid drop model). Comparison with data and other calculations.

RADIOACTIVITY ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278}Hs(α), (SF); calculated T_1/2 using relativistic mean field, generalized liquid drop model. Comparison to data.

doi: 10.1140/epja/i2010-11057-2
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2010MI29      J.Phys.:Conf.Ser. 205, 012009 (2010)

N.Minkov, S.Drenska, M.Strecker, W.Scheid

Parity mixing in the single particle states of quadrupole-octupole deformed nuclei

NUCLEAR STRUCTURE ²³⁷U, ²⁴⁹Cm; calculated single-particle states vs deformation, potential surfaces.

doi: 10.1088/1742-6596/205/1/012009
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2010SA32      Eur.Phys.J. A 45, 125 (2010)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid

Peculiarities of the sub-barrier fusion with the quantum diffusion approach

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X), E(cm)=60-105 MeV; ²⁰⁸Pb(²²Ne, X), E(cm)=80-130 MeV; ²⁰⁸Pb(⁴⁸Ca, X), E(cm)=160-200 MeV; calculated σ, mean angular momentum. Comparison with data. ²⁰⁸Pb(¹⁶O, X), E(cm)=64-82 MeV; calculated S-factor, fusion barrier distribution.

doi: 10.1140/epja/i2010-10978-x
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2010WA15      Chin.Phys.Lett. 27, 062502 (2010)

N.Wang, L.Dou, E.-G.Zhao, W.Scheid

Nuclear Hexadecapole Deformation Effects on the Production of Super-Heavy Elements

NUCLEAR REACTIONS ²⁰⁹Bi(⁵⁸Fe, X)²⁶⁷Mt, ²⁰⁸Pb(⁶⁴Ni, X)²⁷²Ds, ²⁰⁹Bi(⁷⁰Zn, X)²⁷⁹Nh, ²⁰⁹Bi(⁷⁴Ge, X)²⁸³Mc, ²⁰⁸Pb(⁸⁶Se, X)²⁹⁴Lv, ²⁰⁸Pb(⁹⁰Kr, X)²⁹⁸Og, E not given; calculated interaction and driving potentials, fusion probabilities; deduced impact of nuclear hexadecapole deformation for production of super-heavy elements.

doi: 10.1088/0256-307X/27/6/062502
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2010ZH16      J.Phys.(London) G37, 085107 (2010)

H.F.Zhang, Y.J.Wang, J.M.Dong, J.Q.Li, W.Scheid

Concise methods for proton radioactivity

RADIOACTIVITY ^103,104,105Sb, ^155,156,109I, ^112,113Cs, ¹¹⁷La, ¹²¹Pr, ^130,131,132Eu, ¹³⁵Tb, ^140,141Ho, ^145,146,147Tm, ^150,151Lu, ¹⁵⁷Ta, ^{159,160,161,162,163}Re, ^{164,165,166,167}Ir, ^169,170,171Au, ^176,177Tl, ^184,185Bi(p); calculated proton radioactivity T_1/2, spectroscopic factors for deformed and microscopic factors for spherical emitters. Comparison with other calculations.

doi: 10.1088/0954-3899/37/8/085107
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2010ZU01      Phys.Rev. C 81, 024607 (2010)

A.S.Zubov, V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid

Formation of hyperdeformed states by neutron emission from a dinuclear system

NUCLEAR REACTIONS ¹²⁴Sn(⁴⁸Ca, X), E(cm)=119.7, 122.3, 124.2, 127.8 MeV; ¹²⁸Sn(⁴⁸Ca, X), E(cm)=118.4, 120.5, 123.3, 126.8; ¹³⁰Sn(⁴⁸Ca, X), E(cm)=127, 130.4, 134.5; ¹³²Sn(⁴⁸Ca, X), E(cm)=133, 136.6, 141.8 MeV; ¹³⁴Sn(⁴⁸Ca, X), E(cm)=122.7, 126.7, 131.3 MeV; ¹³⁶Xe(⁴⁸Ca, X), E(cm)=126.3, 128.3, 130.7, 134.1 MeV; ¹³⁸Xe(⁴⁸Ca, X), E(cm)=119.7, 121.6, 126.2, 129.3, 133 MeV; ¹³⁷Ba(⁴⁸Ca, X), E(cm)=131.7, 133.6, 136.2, 139.4 MeV; ¹³⁸Ba(⁴⁸Ca, X), E(cm)=131, 133.9, 135.4, 138.5 MeV; ¹⁴⁰Ba(⁴⁸Ca, X), E(cm)=134, 137.1, 140.8 MeV; ⁸³Kr(⁴⁰Ca, X), E(cm)=114.7, 121.6 MeV; ⁸⁴Kr(⁴⁰Ca, X), E(cm)=114.6, 121.6 MeV; ⁸³Kr(⁴⁸Ca, X), E(cm)=106.5, 113.3 MeV; ⁸⁴Kr(⁴⁸Ca, X), E(cm)=112.3, 119.1 MeV; ⁸⁶Kr(⁴⁸Ca, X), E(cm)=104.8, 110.6, 117.2 MeV; ⁴⁰Ca(⁴⁰Ca, X), E(cm)=69.7, 76.7, 86 MeV; ⁴⁸Ca(⁴⁰Ca, X), E(cm)=84.6, 96 MeV; ⁴⁸Ca(⁴⁸Ca, X), E(cm)=66.5, 75.1, 85.2 MeV; ⁵⁸Ni(⁵⁸Ni, X), E(cm)=104.4, 107.6, 111.8, 116.9 MeV; ⁶⁰Ni(⁵⁸Ni, X), E(cm)=103.1, 106.4, 110.2, 115.2 MeV; ⁶⁰Ni(⁶⁰Ni, X), E(cm)=99.9, 103.3, 106.7, 11.5 MeV; ⁴⁰Ca(⁵⁸Ni, X), E(cm)=81.5, 85.6, 89.2, 95.4, 103 MeV; calculated production σ, quadrupole moments, moments of inertia of hyperdeformed states, nucleus-nucleus potentials, isotopic dependence of neutron binding energies and quasifission barriers, E2-transition rates and tunneling times as function of angular momentum using the cluster/molecular model of strongly deformed nuclear states.

doi: 10.1103/PhysRevC.81.024607
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2010ZU06      Phys.Rev. C 82, 034610 (2010)

A.S.Zubov, V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, W.Scheid

Formation of hyperdeformed states in capture reactions at sub-barrier energies

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, ⁴⁰Ca), ⁴⁸Ca(⁴⁸Ca, ⁴⁸Ca), E(cm)=35-90 MeV; ⁵⁸Ni(⁵⁸Ni, ⁵⁸Ni), ⁸⁶Kr, ¹²⁴Sn, ¹³⁶Xe, ¹³⁸Ba, ¹⁴⁰Ce(⁴⁸Ca, ⁴⁸Ca), E(cm)=70-155 MeV; calculated σ for the population of high-spin hyperdeformed (HD) structures, capture probability, angular momentum and σ for high-spin HD states. Tunneling through the Coulomb barrier approach based on the reduced density matrix formalism for dinuclear or quasimolecular configurations. Discussed method of identification of hyperdeformed bands in nuclei.

doi: 10.1103/PhysRevC.82.034610
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2009AD03      Acta Phys.Pol. B40, 737 (2009)

G.G.Adamian, N.V.Antonenko, W.Scheid

Production of New Superheavy Nuclei in Complete Fusion Reactions

2009AD10      Eur.Phys.J. A 41, 235 (2009)

G.G.Adamian, N.V.Antonenko, W.Scheid

Feature of production of new superheavy nuclei in actinide-based complete-fusion reactions

NUCLEAR REACTIONS ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm, ²⁴⁹Cf(⁵⁰Ti, xn), (⁵⁴Cr, xn), (⁵⁸Fe, xn), (⁶⁴Ni, xn), E(cm)≈200 MeV; calculated fission barrier heights, neutron separation energies, σ for even-Z SHE compound nuclei from 2n, 3n and 4n reaction channels using di-nuclear system model and different mass tables.

doi: 10.1140/epja/i2009-10795-4
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2009AN08      Acta Phys.Pol. B40, 759 (2009)

N.V.Antonenko, G.G.Adamian, W.Scheid

Isotopic Dependence of Isomer States in Heavy Nuclei

2009BO17      Phys.Atomic Nuclei 72, 928 (2009); Yad.Fiz. 72, 972 (2009)

O.N.Bolgova, G.G.Adamian, N.V.Antonenko, A.S.Zubov, S.P.Ivanova, W.Scheid

Isotopic dependence of the cross section for the induced fission of heavy nuclei

NUCLEAR REACTIONS ²⁰⁸Pb(²¹¹Ra, X), (²¹²Ra, X), (²¹³Ra, X), (²⁰³Rn, X), (²⁰⁴Rn, X), (²⁰⁵Rn, X), (²⁰⁶Rn, X), (²⁰⁷Rn, X), (²⁰⁸Rn, X), (²⁰⁹Rn, X), (²¹⁰Rn, X), (²¹¹Rn, X), (²²¹Th, X), (²²²Th, X), (²²³Th, X), (²²⁴Th, X), (²²⁵Th, X), (²²⁶Th, X), (²²⁷Th, X), (²²⁸Th, X), (²²⁹Th, X), (²³⁰Th, X), (²³¹Th, X), E=420 MeV/nucleon;calculated fission σ; deduced fission stabilization. Statistical model.

doi: 10.1134/S1063778809060040
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2009DO16      Eur.Phys.J. A 41, 197 (2009)

J.M.Dong, H.F.Zhang, J.Q.Li, W.Scheid

Cluster preformation in heavy nuclei and radioactivity half-lives

RADIOACTIVITY ²²⁶Th(¹⁴C), ²²⁶Th(¹⁸O), ²³⁰U(²²Ne), (²⁴Ne), ²³²Th(²⁴Ne), (²⁶Ne), ²³⁶U(²⁶Ne), ²³²U, ²³³U, ²³⁵U(²⁸Mg), ²³⁷Np(³⁰Mg), ²⁴⁰Pu, ²⁴¹Am(³⁴Si); calculated T_1/2 for cluster decay using unified fission model; deduced cluster preformation factors. Comparison with data. A=114-124(¹²C), (¹⁶O); A=215-252(⁸Be), (¹²C), (¹⁴C), (¹⁵N), (¹⁶O), (¹⁷O), (¹⁸O), (²⁰O), (²²O), (²²Ne), (²⁴Ne), (²⁵Ne), (²⁶Ne), (²³F), (²⁸Mg), (²⁹Mg), (³⁰Mg), (³²Si), (³³Si), (³⁴Si), (³⁶S), (³⁸S), (⁴²S), (⁴⁶Ar), (⁴⁸Ca), (⁵⁰Ca); calculated T_1/2 for cluster decay using unified fission model.

doi: 10.1140/epja/i2009-10819-1
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2009FE01      Nucl.Phys. A816, 33 (2009)

Z.-Q.Feng, G.-M.Jin, J.-Q.Li, W.Scheid

Production of heavy and superheavy nuclei in massive fusion reactions

NUCLEAR REACTIONS ²⁰⁸Pb, ²³⁸U(¹⁶O, X), ¹⁴⁸Sm(³⁶Ar, X), ²³⁸U(²⁶Mg, X), E not given; ²³²Th, ²³⁸U, ^242,244Pu, ²³⁷Np, ²⁴³Am, ^245,248Cm, ²⁴⁷Bk, ²⁴⁹Cf, ²⁵⁴Es, ²⁵⁷Fm(⁴⁸Ca, X), E not given; ²⁰⁸Pb, ²⁰⁹Bi(⁴⁸Ca, X), (⁵⁰Ti, X), (⁵⁴Cr, X), (⁵⁸Fe, X), (⁶⁴Ni, X), (⁷⁰Zn, X), (⁷⁶Ge, X), (⁸²Se, X), (⁸⁶Kr, X), (⁸⁸Sr, X), E not given; ²³⁸U(⁴⁰Ar, xn), (⁵⁰Ti, xn), (⁵⁴Cr, xn), (⁶⁴Ni, xn), E not given; calculated fusion-fission σ vs compound nucleus excitation energy for superheavy element production. ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), E not given; calculated quasi-fission mass yields. ^{242,243,244,245,246,247,248,250}Cm(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E not given; calculated fusion/fission barriers and neutron separation energy; ^{228,229,230,231,232}Th(⁴⁸Ca, 4n), E not given; ^{232,233,234,235,236,238}U, ^235,236,237Np(⁴⁸Ca, 3n), E not given; ^{236,238,239,240,241,242,244}Pu(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E not given; ^241,242,243Am(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E not given; ^247,248,249Bk(⁴⁸Ca, 3n), E not given; ^{248,249,250,251,252}Cf(⁴⁸Ca, 3n), E not given; ²³⁸U(⁴⁰Ar, 3n), (⁵⁰Ti, 3n), (⁵⁴Cr, 3n), (⁵⁸Fe, 3n), (⁶⁴Ni, 3n), E not given; calculated σ. Deduced isotopic trends for superheavy element production. Di-nuclear model.

doi: 10.1016/j.nuclphysa.2008.11.003
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2009FE10      Chin.Phys.C 33, Supplement 1, 86 (2009)

Z.-Q.Feng, G.-M.Jin, J.-Q.Li, W.Scheid

Production mechanism of superheavy nuclei in massive fusion reactions

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X), E<80 MeV; ²³⁸U(¹⁶O, X), E<70 MeV; ¹⁴⁸Sm(³⁶Ar, X), E<75 MeV; ²³⁸U(²⁶Mg, X), E<70 MeV; calculated fusion-fission σ, level density parameters, evaporation residue excitation functions. Dinuclear system (DNS) model.

doi: 10.1088/1674-1137/33/S1/028
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2009MI02      J.Phys.(London) G36, 025108 (2009)

N.Minkov, S.Drenska, M.Strecker, W.Scheid

Coriolis interaction in quadrupole-octupole deformed nuclei

NUCLEAR STRUCTURE ^219,221Fr, ^{219,223,225,233}Ra, ²¹⁹Ac, ^225,227Th, ²³⁷U, ²³⁹Pu, ^241,249Cm, ²⁵¹Cf; calculated Coriolis decoupling factors as functions of deformation parameters.

doi: 10.1088/0954-3899/36/2/025108
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2009NA01      Phys.Rev. C 79, 024606 (2009)

A.K.Nasirov, G.Giardina, G.Mandaglio, M.Manganaro, F.Hanappe, S.Heinz, S.Hofmann, A.I.Muminov, W.Scheid

Quasifission and fusion-fission in reactions with massive nuclei: Comparison of reactions leading to the Z = 120 element

NUCLEAR REACTIONS ¹⁴⁴Sm(⁴⁸Ca, xn), E=130-180 MeV; ¹⁵⁴Sm(⁴⁸Ca, xn), $E=125-190 MeV; ¹⁸⁶W(¹⁶O, xn), E not given; ²³⁸U(⁶⁴Ni, xn), E=262-284 MeV; ²⁴⁴Pu(⁵⁸Fe, xn), E=246-271 MeV; ²⁴⁸Cm(⁵⁴Cr, xn), E=230-260 MeV; ²⁴⁹Cf(⁴⁸Ca, xn), E=190-230 MeV; calculated excitation functions, cross sections and yields for evaporation residues, fusion-fission and quasifission fragments using dinuclear system and advanced statistical model. Comparison with experimental data. Discussed suitable reactions for the formation of Z=120 element.

doi: 10.1103/PhysRevC.79.024606
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2009NA14      Int.J.Mod.Phys. E18, 841 (2009)

A.Nasirov, G.Fazio, G.Giardina, G.Mandaglio, M.Manganaro, F.Hanappe, A.Muminov, W.Scheid

Comparison of the fusion-fission and quasifission mechanism in heavy-ion collisions

doi: 10.1142/S021830130901294X
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2009NA38      Bull.Rus.Acad.Sci.Phys. 73, 1476 (2009); Izv.Akad.Nauk RAS, Ser.Fiz. 73, 1571 (2009)

A.K.Nasirov, G.Fazio, S.Hofmann, G.Giardina, A.I.Muminov, G.Mandaglio, M.Manganaro, W.Scheid

Comparison of the characteristics of the fusion-fission and quasifission products in reactions with heavy ions

NUCLEAR REACTIONS ¹⁵⁴Sm(⁴⁸Ca, X), ²⁴⁸Cm(⁵⁴Cr, X), ²⁴⁴Pu(⁵⁸Fe, X), ²³⁸U(⁶⁴Ni, X) E(cm)<280 MeV; analyzed fusion-fission product mass distribution, yields, σ for heavy ion reactions;calculated σ; deduced large value of σ of evaporation residues in the ²⁴⁸Cm + ⁵⁴Cr reaction.

doi: 10.3103/S1062873809110112
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2009SA35      Phys.Rev. C 80, 034606 (2009)

V.V.Sargsyan, Z.Kanokov, G.G.Adamian, N.V.Antonenko, W.Scheid

Capture process in nuclear reactions with a quantum master equation

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X), E(cm)=70-105 MeV; ²⁰⁸Pb(¹⁹F, X), E(cm)=80-135 MeV; ²⁰⁸Pb(²⁶Mg, X), E(cm)=105-135 MeV; ²⁰⁸Pb(²⁸Si, X), E(cm)=120-195 MeV; ²⁰⁸Pb(³²S, X), E(cm)=140-185 MeV; ²⁰⁸Pb(³⁴S, X), E(cm)=140-170 MeV; ²⁰⁸Pb(³⁶S, X), (³⁸S, X), E(cm)=140-175 MeV; ²⁰⁸Pb(⁴⁰Ca, X), E(cm)=175-210 MeV; ²⁰⁸Pb(⁴⁸Ca, X), E(cm)=170-205 MeV; ²⁰⁸Pb(⁵⁰Ti, X), E(cm)=185-210 MeV; ²⁰⁸Pb(⁵²Cr, X), E(cm)=205-245 MeV; ²⁰⁸Pb(⁵⁴Fe, X), E(cm)=220-260 MeV; ²⁰⁸Pb(⁵⁸Ni, X), E=240-280 MeV; calculated σ and capture probability using reduced-density-matrix formalism. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.034606
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2009SA40      Phys.Rev. C 80, 047603 (2009)

V.V.Sargsyan, Z.Kanokov, G.G.Adamian, N.V.Antonenko, W.Scheid

Interaction times in the ¹³⁶Xe+¹³⁶Xe and ²³⁸U+²³⁸U reactions with a quantum master equation

NUCLEAR REACTIONS ¹³⁶Xe(¹³⁶Xe, X), E(cm)=304, 324, 344, 364 MeV; ²³⁸U(²³⁸U, X), E(cm)=672.7, 762, 809.4 MeV; calculated interaction times, and nucleus-nucleus interaction potentials using reduced-density matrix formalism.

doi: 10.1103/PhysRevC.80.047603
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2008AD14      Phys.Rev. C 78, 044605 (2008)

G.G.Adamian, N.V.Antonenko, W.Scheid, A.S.Zubov

Possibilities of production of neutron-deficient isotopes of U, Np, Pu, Am, Cm, and Cf in complete fusion reactions

NUCLEAR REACTIONS ¹³⁴Ba(⁸²Se, X), ^134,138Ba(⁸²Kr, X), ²⁰⁴Pb(²⁸Si, X), ^207,208Pb(²⁶Mg, X), ²⁰⁸Pb(²⁴Mg, X), ²⁴⁸Cm(³⁰Si, X), ¹⁸⁴W(⁴⁰Ca, X), (⁴⁴Ca, X), (⁴⁸Ca, X), ¹⁹²Pt(³²S, X), ¹⁹⁸Pt(⁴⁰Ar, X), ²⁰⁶Pb(²⁶Mg, X), ^190,192Os(⁴⁰Ca, X), ¹⁹²Pt, ²⁰⁴Pb(²⁸Si, X), ¹⁷⁶Hf(⁴⁴Ca, X), ^204,206Pb(²³Na, X), (²⁷Al, X), E not given; calculated σ. ^209,211Rn, ^213,215Ra, ^217,219Th, ^221,223U, ^225,227Pu; calculated levels, J, π, half-lives. ^{218,219,220,221,222,223,224,225,226,227,228,229,230}Pu, ^214,215,216U, ^223,224,225Np, ^{227,228,229,230,231}Am, ^{228,229,230,231,232}Cm, ^{234,235,236,237,238}Cf; calculated excitation functions for evaporation channels.

doi: 10.1103/PhysRevC.78.044605
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2008AD18      Int.J.Mod.Phys. E17, 2014 (2008)

G.G.Adamian, A.V.Andreev, N.V.Antonenko, W.Scheid

Binary and ternary fission within the statistical model

NUCLEAR REACTIONS ²³⁵U(n, F)¹⁰⁴Mo/¹³²Sn/¹⁰⁴Zr/¹³²Te, E not given; calculated potential energy of scission configurations, fission products;³²S(²⁴Mg, X)⁵⁶Ni, E not given; calculated charge distributions in induced ternary fission.

RADIOACTIVITY ²⁵²Cf(SF); ¹⁰²Zr, ¹⁵⁰Ce, ¹⁰⁶Mo, ¹⁴⁶Ba, ¹¹²Ru, ¹⁴⁰Xe, ¹¹⁸Pd, ¹³⁴Te; calculated spontaneous fission, cluster decay products kinetic energies, variances, mass yields.

doi: 10.1142/S0218301308011008
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2008AD19      Int.J.Mod.Phys. E17, 2363 (2008)

G.G.Adamian, N.V.Antonenko, A.S.Zubov, W.Scheid

Cluster aspects of production and decay of exotic nuclei

doi: 10.1142/S0218301308011628
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2008KU21      Int.J.Mod.Phys. E17, 2020 (2008)

S.N.Kuklin, G.G.Adamian, N.V.Antonenko, W.Scheid

Cluster features of strongly deformed nuclei shapes

NUCLEAR REACTIONS ⁵⁸Ni(⁵⁸Ni, X), ⁸⁶Kr(⁸⁶Kr, X), ⁸⁸Sr(⁸⁸Sr, X), ⁴⁸Ca(¹⁴⁰Ce, X), (¹⁴²Nd, X), (¹⁴⁴Sm, X), E(cm) = 117, 155, 166, 147, 148, 149 MeV; calculated nucleus-nucleus potentials for high-spin hyperdeformed isomers.

RADIOACTIVITY ^234,236,238U, ^236,239,240Pu, ²⁴⁰Am, ^230,231,233Th(SF); ⁵⁰Ca, ^184,186Hf, ^28,30,32Mg, ²⁰⁶Hg, ^208,209Pb, ³²Al, ⁵⁰Ca, ^181,182,183Yb; calculated cluster decay level energies, rotational parameters, charge quadrupole and octupole moments.

doi: 10.1142/S021830130801101X
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2008MA55      Int.J.Mod.Phys. E17, Supplement 1, 97 (2008)

L.Ma, H.F.Zhang, X.H.Zhou, Z.G.Gan, J.Q.Li, W.Scheid

Ground-state and alpha-decay properties of even Hs Isotopes

doi: 10.1142/S0218301308011781
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2008WA01      Phys.Rev. C 77, 014603 (2008)

N.Wang, K.Zhao, W.Scheid, X.Wu

Fusion-fission reactions with a modified Woods-Saxon potential

RADIOACTIVITY ²⁵⁶No(SF); calculated macroscopic fission barrier.

NUCLEAR REACTIONS ^113,115In(⁷Li, X), E(cm)=18-36 MeV; ^108,110Pd(¹²C, X), E(cm)=32-50 MeV; ^194,198Pt(¹²C, X), E(cm)=50-70 MeV; ¹⁹⁷Au(¹²C, X), E(cm)=45-105 MeV; ²⁰⁸Pb(¹²C, X), E(cm)=50-70 MeV; ^182,186W(¹⁶O, X), E(cm)=60-90 MeV; ¹⁹⁷Au(¹⁶O, X), E(cm)=70-120 MeV; ²⁰⁸Pb(¹⁶O, X), E(cm)=65-100 MeV; ¹⁶⁹Tm, ¹⁸¹Ta, ¹⁹⁷Au, ²⁰⁸Pb(¹⁹F, X), E(cm)=60-120 MeV; ¹⁹²Os(¹⁸O, X), E(cm)=70-110 MeV; ¹⁹⁷Au(¹⁸O, X), E(cm)=60-120 MeV; ²³⁸U(¹⁶O, X), E(cm)=60-110 MeV; ¹⁵⁴Sm(⁴⁸Ca, X), E(cm)=120-165 MeV; ⁹²Zr(⁶⁴Ni, X), E(cm)=120-180 MeV; ^112,118,124Sn(⁶⁴Ni, X), E(cm)=150-200 MeV; ¹⁸⁶W(³⁰Si, X), E(cm)=100-160 MeV; ¹⁷⁶Er(³⁰Si, X), E(cm)=100-150 MeV; ²⁰⁸Pb(²⁸Si, X), E(cm)=115-165 MeV; ^70,76Ge(⁸⁶Kr, X), E(cm)=120-180 MeV; ⁹²Mo(⁸⁶Kr, X), E(cm)=150-190 MeV; ^144,148,154Sm(⁴⁰Ar, X), E(cm)=105-145 MeV; ^112,120Sn(³⁵Cl, X), E(cm)=100-130 MeV; ¹⁴¹Pr(³⁵Cl, X), E(cm)=110-140 MeV; ^112,116,122Sn(⁴⁰Ar, X), E(cm)=90-130 MeV; ²⁴⁸Cm(¹⁸O, X), E(cm)=80-105 MeV; ²⁰⁶Pb(⁴⁸Ca, X), E(cm)=165-200 MeV; ^207,208Pb(⁴⁸Ca, X), E(cm)=165-195 MeV; ²⁰⁸Pb(⁵⁰Ti, X), E(cm)=180-210 MeV; ²⁰⁸Pb(⁵⁴Cr, X), E(cm)=200-215 MeV; ²⁰⁸Pb(⁵⁸Fe, X), E(cm)=215-225 MeV; ²⁰⁸Pb(⁶⁴Ni, X), E(cm)=235-245 MeV; calculated neutron evaporation cross sections using Woods-Saxon potentials. A=0-300; calculated level density parameter.

doi: 10.1103/PhysRevC.77.014603
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2008WA16      Phys.Rev. C 78, 014607 (2008)

N.Wang, W.Scheid

Quasi-elastic scattering and fusion with a modified Woods-Saxon potential

NUCLEAR REACTIONS ²⁰⁸Pb(¹²C, ¹²C'), E=69.9, 74.9, 84.9, 180 MeV;²⁰⁸Pb(¹⁶O, ¹⁶O'), E=92, 96, 102, 192 MeV;⁹⁰Zr(¹²C, ¹²C'), E=100, 120, 180 MeV;⁶³Cu(¹⁶O, ¹⁶O'), E=56, 64, 100 MeV; calculated quasi-elastic scattering σ. ²³²Th(¹⁶O, ¹⁶O'), E(cm)=74-100 MeV; calculated transfer probability, fusion excitation factors. ^144,154Sm(¹⁶O, ¹⁶O), E(cm)=45-75;⁹²Zr(¹⁶O, ¹⁶O), E(cm)=30-60 MeV;¹⁸⁶W(¹⁶O, ¹⁶O'), E=50-90 MeV;¹¹⁶Sn(¹⁶O, ¹⁶O'), E(cm)=35-70 MeV;⁶⁴Zn(¹⁶O, ¹⁶O'), E(cm)=20-45 MeV;²³²Th(¹⁶O, ¹⁶O), E(cm)=60-100 MeV;¹⁴²Nd(¹²C, ¹²C'), E(cm)=35-60 MeV;²⁰⁸Pb(³²S, ³²S'), E(cm)=120-180 MeV;¹¹⁰Pd(³²S, ³²S'), E(cm)=70-110 MeV; calculated fusion σ, scattering σ. Woods-Saxon model. Comparison with experimental data.

doi: 10.1103/PhysRevC.78.014607
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2008ZH27      Int.J.Mod.Phys. E17, 1937 (2008)

E.G.Zhao, N.Wang, Z.Q.Feng, J.Q.Li, S.G.Zhou, W.Scheid

The isotopic and nuclear orientation effects on the production of super-heavy elements

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, X), (⁵⁶Fe, X), (⁷⁰Zn, X), (⁸²Se, X), (⁸⁶Kr, X), E not given; ^{236,237,238,239,240,241,242,243,244}Pu(⁴⁸Ca, X), E not given; calculated fusion evaporation cross sections for super heavy element formations.

doi: 10.1142/S021830130801091X
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2007AD23      Int.J.Mod.Phys. E16, 1021 (2007)

G.G.Adamian, N.V.Antonenko, R.V.Jolos, S.P.Ivanova, Yu.V.Palchikov, T.M.Shneidman, A.Andreev, W.Scheid

Nuclear Molecules

doi: 10.1142/S0218301307006472
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2007AD24      Phys.Atomic Nuclei 70, 1350 (2007)

G.G.Adamian, N.V.Antonenko, R.V.Jolos, Yu.V.Palchikov, T.M.Shneidman, W.Scheid

Nuclear structure in the dinuclear model with rotating clusters

NUCLEAR STRUCTURE ²³⁸U; calculated level energies, J, π using the dinuclear-system model.

doi: 10.1134/S1063778807080054
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2007AN28      Phys.Atomic Nuclei 70, 1649 (2007)

A.V.Andreev, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, S.N.Kuklin, W.Scheid

Cluster aspects of binary and ternary fission

RADIOACTIVITY ^256,258Fm(SF), ^256,258,262No(SF); calculated kinetic energy and charge distribution of fission fragments using a statistical model.

doi: 10.1134/S1063778807090268
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2007AP01      Nucl.Phys. A790, 767c (2007)

B.Apagyi, W.Scheid, O.Melchert, D.Schumayer

Interatomic-potential inversion from ultracold Bose-gas collision

doi: 10.1016/j.nuclphysa.2007.03.023
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2007DR11      Phys.Rev. A 76, 062701 (2007)

E.G.Drukarev, A.I.Mikhailov, I.A.Mikhailov, W.Scheid

High-energy two-electron capture with emission of a single photon

doi: 10.1103/PhysRevA.76.062701
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2007FE17      Phys.Rev. C 76, 044606 (2007)

Z.-Q.Feng, G.-M.Jin, J.-Q.Li, W.Scheid

Formation of superheavy nuclei in cold fusion reactions

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, n), (⁵⁰Ti, n), (⁵⁴Cr, n), (⁵⁸Fe, n), (⁸⁶Kr, n), (⁸⁸Sr, n), (⁷³Ge, n), (⁸²Se, n), (⁸⁶Kr, n), (⁸⁸Sr, n), (⁵⁹Ni, n), (⁶⁰Ni, n), (⁶¹Ni, n), (⁶²Ni, n), (⁶³Ni, n), (⁶⁴Ni, n), (⁶⁵Ni, n), (⁶⁵Zn, n), (⁶⁶Zn, n), (⁶⁷Zn, n), (⁶⁸Zn, n), (⁶⁹Zn, n), (⁷⁰Ge, n), (⁷²Ge, n), (⁷³Ge, n), (⁷⁴Ge, n), (⁷⁵Ge, n), (⁷⁶Ge, n), (⁷⁶Se, n), (⁷⁷Se, n), (⁷⁸Se, n), (⁷⁹Se, n), (⁸⁰Se, n), (⁸²Se, n), (⁸⁴Sr, n), (⁸⁶Sr, n), (⁸⁷Sr, n), E=not given; ²⁰⁸Pb(⁷⁰Zn, n), E=240-280 MeV; ²⁰⁹Bi(⁶⁴Ni, n), (⁴⁸Ca, n), (⁵⁰Ti, n), (⁵⁴Cr, n), (⁵⁸Fe, n), (⁸⁶Kr, n), (⁸⁸Sr, n), (⁷³Ge, n), (⁶⁴Ni, n), (⁷⁰Zn, n), (⁷⁶Ge, n), (⁸²Se, n), E=not given; calculated maximal production cross sections of Z=102-120 elements, fusion probabilities, comparison with experimental cross sections, DNS model.

doi: 10.1103/PhysRevC.76.044606
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2007GE01      J.Phys.(London) G34, 441 (2007)

M.Genkin, W.Scheid

A two-dimensional inverse parabolic potential within the Lindblad theory for application in nuclear reactions

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, X), E not given; calculated internuclear distance, mass asymmetry vs time.

doi: 10.1088/0954-3899/34/3/003
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2007MI01      J.Phys.(London) G34, 299 (2007)

N.Minkov, P.Yotov, R.V.Jolos, W.Scheid

Intrinsic origin of the high order angular momentum terms in an nuclear rotation Hamiltonian

doi: 10.1088/0954-3899/34/2/010
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2007MI30      Phys.Atomic Nuclei 70, 1470 (2007)

N.Minkov, S.B.Drenska, P.Yotov, D.Bonatsos, W.Scheid

Collective states of odd nuclei in a model with quadrupole-octupole degrees of freedom

NUCLEAR STRUCTURE ^{219,221,223,225}Fr, ^223,225Th; calculated level energies of positive and negative parity bands using the collective axial quadrupole-octupole Hamiltonian.

doi: 10.1134/S1063778807080248
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2007MI33      Phys.Rev. C 76, 034324 (2007)

N.Minkov, S.Drenska, P.Yotov, S.Lalkovski, D.Bonatsos, W.Scheid

Coherent quadrupole-octupole modes and split parity-doublet spectra in odd-A nuclei

NUCLEAR STRUCTURE Nd, Pm, Sm, eu, Gd, Tb, Dy, Ho, Fr, Ra, Ac, Th, Pa, U, Np, Pu, Am, Cm, Bk; calculated level energies, parity doublet splittings, B(E1), B(E2) using a collective model. Compared results to available data.calculated energies.

doi: 10.1103/PhysRevC.76.034324
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2007NA34      Eur.Phys.J. A 34, 325 (2007)

A.K.Nasirov, A.I.Muminov, R.K.Utamuratov, G.Fazio, G.Giardina, F.Hanappe, G.Mandaglio, M.Manganaro, W.Scheid

Angular anisotropy of the fusion-fission and quasifission fragments

NUCLEAR REACTIONS ²³⁸U(¹⁶O, X), E=80-160 MeV; ²⁰⁸Pb(¹⁹F, X), E(cm)=70-180 MeV; ²⁰⁸Pb(³²S, X), E=160-280 MeV; analyzed capture, fusion and quasi-fission σ, angular anisotropy of fission fragments and charge distribution. Reaction mechanism discussed.

doi: 10.1140/epja/i2007-10504-5
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2007ZU02      Acta Phys.Pol. B38, 1595 (2007)

A.S.Zubov, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, W.Scheid

Isotopic Dependence of Neutron Emission from Dinuclear System

NUCLEAR REACTIONS ²⁰⁸Pb(Ni, X), E not given; calculated isotopic dependence of neutron emission and quasifission using a statistical approach.

2007ZU03      Eur.Phys.J. A 33, 223 (2007)

A.S.Zubov, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, W.Scheid

Isotopic dependence of neutron emission from dinuclear system

NUCLEAR REACTIONS ²⁰⁸Pb(⁶²Ni, X), (⁶³Ni, X), (⁶⁴Ni, X), (⁶⁵Ni, X), (⁶⁶Ni, X), (⁶⁷Ni, X), (⁶⁸Ni, X), (⁶⁹Ni, X), (⁷⁰Ni, X), (⁷¹Ni, X), (⁷²Ni, X), (⁷³Ni, X), E not given; calculated neutron emission probabilities and isotopic dependence for the dinuclear systems using a statistical approach.

doi: 10.1140/epja/i2006-10451-7
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2006AN06      Phys.Atomic Nuclei 69, 197 (2006); Yad.Fiz. 69, 219 (2006)

A.V.Andreev, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, W.Scheid

Effects of Nuclear Deformation in Dinuclear Systems: Application to the Fission Process

NUCLEAR STRUCTURE ¹⁰²Zr, ¹⁰⁸Mo, ¹³²Sn; calculated surface energy, Coulomb energy, shell correction, potential energy vs deformation. ²³⁴U, ²⁴⁰Pu, ²⁵⁸Fm; calculated potential energy surfaces for dinuclear systems.

NUCLEAR REACTIONS ^234,236U, ²⁴⁰Pu, ²⁵⁰Cf(n, F), E=thermal; ²³²Th(γ, F), E not given; calculated fission fragments kinetic energies. Improved scission-point model.

RADIOACTIVITY ²⁵²Cf, ²⁵⁸Fm, ²⁵⁸No(SF); calculated fission fragments kinetic energies. Improved scission-point model.

doi: 10.1134/S1063778806020049
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2006HE18      Eur.Phys.J. A 28, 265 (2006)

X.T.He, S.G.Zhou, J.Meng, E.G.Zhao, W.Scheid

Test of spin symmetry in anti-nucleon spectra

NUCLEAR STRUCTURE ⁴⁰Ca, ⁹⁰Zr, ¹²⁴Sn, ²⁰⁸Pb; calculated radial wave functions of antineutron spin doublets. Relativistic mean-field model.

doi: 10.1140/epja/i2006-10066-0
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2006HE28      Int.J.Mod.Phys. E15, 1823 (2006)

Z.T.He, E.G.Zhao, W.Scheid

Study of parity doublets in odd-A nuclei

NUCLEAR STRUCTURE ^221,223Ra; calculated parity doublet rotational bands level energies. Di-nuclear system model.

doi: 10.1142/S0218301306005332
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