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NSR database version of April 27, 2024.

Search: Author = R.A.Gherghescu

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2024GH01      Phys.Rev. C 109, 024611 (2024)

R.A.Gherghescu, H.Stoecker, D.N.Poenaru

Decay of the superheavy nucleus ³¹⁰126

doi: 10.1103/PhysRevC.109.024611
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2022GH07      Phys.Rev. C 106, 034611 (2022)

R.A.Gherghescu, D.N.Poenaru

Fission channels for fragment isotopes from ²⁹⁸Fl with magic nucleon numbers

RADIOACTIVITY ²⁸⁹Fl(SF); calculated macroscopic barriers for Pb-accompanied fission channels, logarithms of the spontaneous fission T_1/2 for Sn- and Pb-isotope channels, penetrability logarithms for the Sn- and Pb-fission channels, inertia tensor coupling components and total mass inertia after contraction. Favored fission channels are determined as ¹⁸²Pb+¹¹⁶Ge, ¹⁸⁶Pb+¹¹²Ge, ¹³⁶Sn+¹⁶²Gd, ¹⁴⁰Sn+¹⁵⁸Gd. Binary macroscopic-microscopic based on the two-center shell model plus dynamics method.

doi: 10.1103/PhysRevC.106.034611
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2022GH08      Phys.Rev. C 106, 034616 (2022)

R.A.Gherghescu, D.N.Poenaru

Fission barriers of superheavy nuclei for emitted fragment isotopes near proton magic numbers

RADIOACTIVITY ²⁹⁸Fl(SF); calculated fission barrier height and position for Pb- and Sn-channels, shell correction to macroscopic and potential barrier evolution against the reduced distance between centers, proton and neutron shell corrections. Deformed two-center shell model (DTCSM) and Strutinsky binary method.

doi: 10.1103/PhysRevC.106.034616
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2021PO05      Int.J.Mod.Phys. E30, 2150016 (2021)

D.N.Poenaru, R.A.Gherghescu

Proton radioactivity of nuclei with atomic numbers Z = 51-91 and mass number 104-211

NUCLEAR STRUCTURE Z=51-91; analyzed available data; calculated proton radioactivity Q-values, T_1/2 using the analytical super-asymmetric fission (ASAF) model; deduced proton and neutron drip lines.

doi: 10.1142/S0218301321500166
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2020GH04      Rom.J.Phys. 65, 303 (2020)

R.A.Gherghescu

Fission Channel Influence on ²³⁶Pu Shape Isomer

RADIOACTIVITY ²³⁶Pu(SF); calculated proton levels schemes for three fission channels, macroscopic charged liquid drop energy for the three fission channel, fission barriers.

2018PO04      Eur.Phys.J. A 54, 14 (2018)

D.N.Poenaru, H.Stocker, R.A.Gherghescu

Cluster and alpha decay of superheavy nuclei

RADIOACTIVITY ²⁵³Es(⁴⁶Ar); ²⁵²Fm(⁴⁸Ca); ²⁶⁵Rf(⁵⁵Ti); ²⁶⁷Rf(⁶¹Cr); ²⁶⁹Sg(⁶⁴Fe); ²⁷¹Sg(⁶⁵Fe); ²⁷⁸Bh(⁷³Ni); ²⁷³Hs(⁶⁸Ni); ²⁷⁵Hs(⁷⁰Ni); ²⁷⁷Hs(⁷¹Ni); ²⁷⁸Hs(⁷²Ni); ²⁸²Mt(⁷¹Co); ²⁷⁹Ds(⁷¹Ni); ²⁸¹Ds(⁷²Ni); ²⁸²Ds(⁷⁴Ni); ²⁸⁶Rg(⁷⁸Cu); ²⁸¹Cn(⁷⁴Zn); ²⁸²Cn(⁷⁴Zn); ²⁸³Cn(⁷⁶Zn); ²⁸⁴Cn(⁷⁶Zn); ²⁸⁵Cn(⁷⁷Zn); ²⁸⁷Nh(⁷⁹Ga); ²⁹⁰Nh(⁸¹Ga); ²⁸⁴Fl(⁷⁸Ge); ^286,287,288Fl(⁸⁰Ge); ²⁸⁹Fl(⁸¹Ge); ^290,294Fl(⁸²Ge); ^291,292Lv(⁸⁴Se); ²⁹³Lv(⁸⁵Se); ²⁹⁴Og(⁸⁶Kr); ²⁹⁵Og(⁸⁷Kr); ²⁹⁷119(⁸⁹Rb); ²⁹⁹119(⁹¹Rb); ³⁰⁰119(⁹²Rb); ²⁹⁹120(⁹¹Sr); ³⁰⁰120(⁹²Sr); ³⁰¹120(⁹³Sr); ³⁰²120(⁹⁴Sr); calculated cluster decay Q-value using AME16 and W4 models, T_1/2 using ASAF model. ^{297,299,300,302}119(α); calculated possible α-decay chains Q, T_1/2 for each nucleus within the chain. ³⁰⁰120(⁹²Sr);³⁰²120(⁹⁴Sr); calculated possible cluster decay energy, T_1/2, branching relative to α-decay.

doi: 10.1140/epja/i2018-12469-6
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2018PO06      Phys.Rev. C 97, 044621 (2018)

D.N.Poenaru, R.A.Gherghescu

α decay and cluster radioactivity of nuclei of interest to the synthesis of Z=119, 120 isotopes

RADIOACTIVITY ²⁹⁹120(⁹¹Sr); ³⁰⁰120(⁹²Sr); ³⁰¹120(⁹³Sr); ³⁰²120(⁹⁴Sr); calculated Q-value, T_1/2 for cluster decays, branching ratio relative to α-decay using Analytical Super-asymmetric Fission (ASAF), and WS4 models. ^300,302120, ^297,299119(α); calculated Q-value, T_1/2 using Akrawy (AKRA), ASAF, Universal Formula (UNIV), and Semi-empirical formula based on fission theory (semFIS). ^302,300,299120, ^299,297119, ^{298,296,295,294}Og, ^295,293Ts, ^{294,293,292,291,290}Lv, ^291,289Mc, ^{290,289,288,287,286}Fl, ^287,285Nh, ^{286,285,284,283,282}Cn, ^283,281Rg, ^281,279Ds, ^277,275Hs, ²⁷¹Sg, ²⁶⁷Rf(α); calculated kinetic energies, T_1/2 using ASAF and WS4 models. Comparison with other theoretical calculations. Relevance to synthesis of Z=119 and 120 isotopes.

doi: 10.1103/PhysRevC.97.044621
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2018PO12      Europhys.Lett. 124, 52001 (2018)

D.N.Poenaru, R.A.Gherghescu

Alpha decay and cluster radioactivity of super heavy nuclei ^{303, 304}120

RADIOACTIVITY ^303,304120, ^299,300Og, ^295,296Lv, ^291,292Fl, ^287,288Cn, ²⁸⁴Ds(α), ^303,304120(⁹²Sr), (⁹⁴Sr); calculated T_1/2. Comparison with available data.

doi: 10.1209/0295-5075/124/52001
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2017PO09      Europhys.Lett. 118, 22001 (2017)

D.N.Poenaru, R.A.Gherghescu

Cluster preformation at the nuclear surface in cold fission

RADIOACTIVITY ²⁶⁴Sg, ²⁶⁰Rf(SF); calculated deformation energy for symmetrical spontaneous fission, shell and pairing correction energies for symmetrical fission. Macroscopic-microscopic method for deformation energy based on asymmetric two-center shell model.

doi: 10.1209/0295-5075/118/22001
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2016PO05      Phys.Rev. C 94, 014309 (2016)

D.N.Poenaru, R.A.Gherghescu

Spontaneous fission of the superheavy nucleus ²⁸⁶Fl

RADIOACTIVITY ²⁸⁶Fl(SF); calculated half-life, deformation energy, touching point deformation energy using cranking inertia with proton and neutron contributions, and the two-center shell model plus Yukawa-plus-exponential macroscopic energy; deduced fission barriers for ten different combinations of fragments. Investigated four laws of variation of R2=R2(R) for two deformation coordinates, R, the separation distance of the fragments, and R₂, the radius of the light fragment: exponentially decreasing (ED) and linearly decreasing (LD), linearly increasing (LI), and constant value; deduced LI mode as the most advantageous one from the least action trajectory, justifying microscopic assumptions of cluster preformation at the nuclear surface. The touching point deformation energy versus mass asymmetry shows three minima, corresponding to the three decay modes of spontaneous fission, cluster decay, and alpha decay. Fission barriers for ten different combinations of fragments.

doi: 10.1103/PhysRevC.94.014309
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2016PO10      Eur.Phys.J. A 52, 349 (2016)

D.N.Poenaru, R.A.Gherghescu

Light fragment preformation in cold fission of ²⁸²Cn

NUCLEAR STRUCTURE ²⁴⁰Pu, ²⁵²Cf, ²⁸²Cn; calculated potential energy surface, deformation, separation distance, mass asymmetry for different radii of emitted light fission fragment.

doi: 10.1140/epja/i2016-16349-9
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2015GH06      Pramana 85, 439 (2015)

R.A.Gherghescu, D.N.Poenaru

Spontaneous fission of superheavy nuclei

RADIOACTIVITY ^282,292120(SF); calculated fission channels with the lowest T_1/2, deformation energy and penetrability for binary nuclear configurations typical for fission processes. The macroscopic-microscopic method.

doi: 10.1007/s12043-015-1059-8
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2015PO06      Pramana 85, 415 (2015)

D.N.Poenaru, R.A.Gherghescu

Fission approach to cluster radioactivity

RADIOACTIVITY ²⁸⁶Fl(SF); calculated potential energy surfaces, α-decay and cluster decay T_1/2. Comparison with experimental data.

doi: 10.1007/s12043-015-1056-y
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2014PO11      J.Phys.(London) G41, 125104 (2014)

D.N.Poenaru, R.A.Gherghescu

Fission decay of ²⁸²Cn studied using cranking inertia

RADIOACTIVITY ²⁸²Cn(SF); ¹³⁰Pd, ¹³²Sn, ¹³⁴Cd, ¹³⁶Sn, ¹³⁸Te, ¹⁴⁰Xe, ¹⁴¹Ba. calculated potential energy surfaces, deformation energies, inertia tensor, T_1/2.

doi: 10.1088/0954-3899/41/12/125104
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2014SH13      Rom.J.Phys. 59, 515 (2014)

N.S.Shakib, R.A.Gherghescu, D.N.Poenaru, M.M.Firoozabadi, M.F.Rahimi

Fission Paths Influenced by Proton and Neutron Magicity

RADIOACTIVITY ²³⁶U, ²⁴⁴Pu(SF); calculated fission products macroscopic energies, level schemes, shell corrections, barriers. The macroscopic-macroscopic method.

2013GH04      Rom.J.Phys. 58, 1178 (2013)

R.A.Gherghescu, D.N.Poenaru

Shell and Pairing Influence on Sub-Barrier Nuclear Fusion

RADIOACTIVITY ²³⁶Pu(¹¹⁸Ag); calculated shell and pairing corrections for neutrons and protons, and their sum for symmetric splitting.

NUCLEAR STRUCTURE ^290,294Og; calculated total deformation energy, crancking tensor of inertia. Strutinsky and BCS methods.

2013PO06      J.Phys.(London) G40, 105105 (2013)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Nuclear inertia and the decay modes of superheavy nuclei

RADIOACTIVITY ²⁸⁴Cn(SF); calculated potential barriers. ¹³²Sn, ¹⁵²Sm, ¹³⁰Cd, ¹⁵⁴Gd, ^138,142,146Ba, ¹⁴⁰Ce, ¹⁴⁴Xe;deduced mass and charge asymmetry, fission fragment parameters, T_1/2. Comparison AME 2012 and other data.

doi: 10.1088/0954-3899/40/10/105105
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2013PO07      Rom.J.Phys. 58, 1157 (2013)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Alpha- Cluster-and Fission Decay of Superheavy Nuclei

NUCLEAR STRUCTURE Z=118-124; calculated T_1/2 for α-cluster decay and fission. Analytical superasymmetric fission model.

2012PO01      J.Phys.(London) G39, 015105 (2012)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Simple relationships for α-decay half-lives

RADIOACTIVITY ^108,109,110Te, ¹¹²I, ^109,110Xe, ^112,113,114Ba, ^164,165Re, ^173,175Ir, ¹⁶⁹Pt, ¹⁷⁹Au, ¹⁷⁵Hg, ¹⁸⁶Tl, ²⁰³Bi, ¹⁹⁴At, ²²¹Rn, ^203,210Fr, ²²⁸Ac, ²³²Am, ^238,239Cm, ²⁴⁷Es, ^247,249Fm, ^247,251Md, ^251,255,257No, ^{253,254,255,258}Lr, ^257,258Rf, ^{256,257,258,260}Db, ^{260,261,263,265,271}Sg, ^{261,262,266,272}Bh, ^265,267,270Hs, ^270,276,278Mt, ^{267,269,279,281}Ds, ^279,280Rg, ^283,284,285Cn, ^{272,282,283,284,285,286}Nh, ^{286,287,288,289}Fl, ^287,288,289Mc, ^{290,291,292,293}Lv, ^293,294Ts, ^294,295Og(α); calculated T_1/2; deduced universal decay law using α-like R-matrix theory.

doi: 10.1088/0954-3899/39/1/015105
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2012PO04      Rom.J.Phys. 57, 431 (2012)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Metallic Atomic Clusters

2012PO05      Phys.Rev. C 85, 034615 (2012)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Cluster decay of superheavy nuclei

NUCLEAR STRUCTURE Z=104-124; calculated half-lives and branching ratios for α decay, and competing cluster decay with spontaneous emission of Be, C, Ar, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Br, Kr, Sr, Y, Zr, Nb, and Mo isotopes. Analytical superasymmetric fission (ASAF) model with Q values from AME-11, and three different theoretical mass calculations. Discussed unexpected dominance of cluster decay over α decay for some of the heaviest superheavy isotopes, and need for better accuracy of calculated masses in the region of heaviest SHE for reliable half-life predictions.

RADIOACTIVITY ^302,303,304122(α), (⁹⁶Zr); ³⁰⁴124(α), (⁹⁵Zr), (⁹⁶Zr), (⁹⁸Mo); ^305,306124(α), (¹⁰⁰Mo); ³⁰⁷124(α), (¹⁰²Mo); calculated Q values, half-lives for α and cluster decay, branching ratios. Analytical superasymmetric fission (ASAF) model with Q values from three different theoretical mass calculations.

doi: 10.1103/PhysRevC.85.034615
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2012PO09      Int.J.Mod.Phys. E21, 1250022 (2012)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Competition of α decay and heavy particle decay in superheavy nuclei

NUCLEAR STRUCTURE Z=104-126; calculated T_1/2 for heavy cluster emission; deduced large half-lives for Z=124. AME11 mass table.

doi: 10.1142/S021830131250022X
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2011PO02      Phys.Rev. C 83, 014601 (2011)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Single universal curve for cluster radioactivities and α decay

NUCLEAR STRUCTURE Z=87-96; calculated half-lives of cluster decay modes of 37 heavy nuclei with the emission of ¹⁴C, ²⁰O, ²³F, ^22,24,25,26Ne, ^28,30Mg, ^32,34Si clusters. Z=52-118; calculated half-lives of α decay for 163 even-even nuclei. A new single line of universal curve (UNIV) for alpha decay and cluster radioactivities based on fission theory. Comparison with the universal decay law (UDL) derived using α-like R-matrix theory. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.014601
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2011PO08      Phys.Rev.Lett. 107, 062503 (2011)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Heavy-Particle Radioactivity of Superheavy Nuclei

RADIOACTIVITY ²²²Ra, ²⁸⁸Fl(¹⁴C), (⁸⁰Ge); calculated T_1/2, spontaneous emission of heavy particles. KTUY05 and FRDM95 mass models.

doi: 10.1103/PhysRevLett.107.062503
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2009GH02      J.Phys.(London) G36, 025106 (2009)

R.A.Gherghescu, N.Carjan

Two and three fragment decay from Z = 120 isotopes

NUCLEAR STRUCTURE ^294,288,282120; calculated fission barriers for binary fission channels.

doi: 10.1088/0954-3899/36/2/025106
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2009PO13      J.Phys.(London) G36, 125101 (2009)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Special properties of ²⁶⁴Fm and of atomic clusters emitting singly charged trimers

NUCLEAR STRUCTURE ²⁶⁴Fm; calculated potential energy surfaces, deformation energies.Comparison with superheavy nucleus ²⁹⁴118.

doi: 10.1088/0954-3899/36/12/125101
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2008GH01      Phys.Rev. C 77, 044607 (2008)

R.A.Gherghescu, D.N.Poenaru, N.Carjan

Neck influence on fission paths

RADIOACTIVITY ²³⁶Pu (SF); calculated potential energy surfaces.

doi: 10.1103/PhysRevC.77.044607
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2008GH03      Phys.Rev. C 78, 024604 (2008)

R.A.Gherghescu, D.N.Poenaru, W.Greiner

Proton gap due to the necking potential

NUCLEAR REACTIONS ¹⁴⁴Nd(⁹²Se, F)E not given; calculated deformation energy, penetrabilities of ¹⁴⁴Nd+⁹²Se fission channel.

doi: 10.1103/PhysRevC.78.024604
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2008GH05      Int.J.Mod.Phys. E17, 2221 (2008)

R.A.Gherghescu, D.N.Poenaru, W.Greiner

Binary and ternary emission from superheavy nuclei

RADIOACTIVITY ^282,288,294120(SF); calculated dynamical barriers for the main and ternary fission channels.

doi: 10.1142/S0218301308011379
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2007PO03      Europhys.Lett. 77, 62001 (2007)

D.N.Poenaru, R.A.Gherghescu, N.Carjan

Alpha-decay lifetimes semiempirical relationship including shell effects

NUCLEAR STRUCTURE Z=52-118; analyzed α-decay T_1/2; deduced parameters.

doi: 10.1209/0295-5075/77/62001
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2007PO08      Int.J.Mod.Phys. E16, 995 (2007)

D.N.Poenaru, R.A.Gherghescu, I.H.Plonski, W.Greiner

Heavy particle radioactivities

NUCLEAR STRUCTURE ²²⁸Th; calculated potential energy surface for binary decay modes using macroscopic-microscopic model.

doi: 10.1142/S0218301307006459
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2006GH04      Phys.Rev. C 74, 014611 (2006)

R.A.Gherghescu, Y.Nagame

Isobaric cold-fusion channels for synthesis of ²⁷⁶114, ²⁸⁶114, and ²⁹⁰114

NUCLEAR REACTIONS ¹⁴⁰Ce(¹³⁶Ba, X), ¹⁴⁰Ba(¹³⁶Ce, X), ¹⁴²Ce(¹³⁴Ba, X), ¹⁴²Nd(¹³⁴Xe, X), ¹⁴⁴Ce(¹³²Ba, X), ¹⁴⁶Sm(¹³⁰Te, X), ¹⁴⁶Nd(¹³⁰Xe, X), ¹⁴⁸Nd(¹²⁸Xe, X), ¹⁴⁸Sm(¹²⁸Te, X), ¹⁵⁰Gd(¹²⁶Sn, X), ¹⁵⁰Sm(¹²⁶Te, X), ¹⁵²Sm(¹²⁴Te, X), ¹⁵²Gd(¹²⁴Sn, X), ¹⁵⁴Gd(¹²²Sn, X), ¹⁵⁴Sm(¹²²Te, X), ¹⁵⁶Gd(¹²⁰Sn, X), ¹⁵⁶Sm(¹²⁰Te, X), ¹⁵⁸Dy(¹¹⁸Cd, X), ¹⁵⁸Gd(¹¹⁸Sn, X), ¹⁶⁰Dy(¹¹⁶Cd, X), ¹⁶⁰Gd(¹¹⁶Sn, X), ¹⁶²Dy(¹¹⁴Cd, X), ¹⁶⁴Dy(¹¹²Cd, X), ¹⁶⁴Er(¹¹²Pd, X), ¹⁶⁶Er(¹¹⁰Pd, X), ¹⁶⁶Dy(¹¹⁰Cd, X), ¹⁶⁸Er(¹⁰⁸Pd, X), ¹⁶⁸Dy(¹⁰⁸Cd, X), ¹⁷⁰Yb(¹⁰⁶Ru, X), ¹⁷⁰Er(¹⁰⁶Pd, X), ¹⁷²Yb(¹⁰⁴Ru, X), ¹⁷²Er(¹⁰⁴Pd, X), ¹⁷⁴Hf(¹⁰²Mo, X), ¹⁷⁴Yb(¹⁰²Ru, X), ¹⁷⁶Hf(¹⁰⁰Mo, X), ¹⁷⁶Yb(¹⁰⁰Ru, X), ¹⁷⁸Hf(⁹⁸Mo, X), ¹⁷⁸Yb(⁹⁸Ru, X), ¹⁸⁰W(⁹⁶Zr, X), ¹⁸⁰Hf(⁹⁶Mo, X), E not given; calculated fusion barrier energies, penetrabilities.

NUCLEAR STRUCTURE ^276,286,290Fl; calculated potential energies surfaces for binary systems.

doi: 10.1103/PhysRevC.74.014611
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2006GH06      J.Phys.(London) G32, L73 (2006)

R.A.Gherghescu, D.N.Poenaru, W.Greiner, Y.Nagame

Synthesis of ²⁸⁶114 and ²⁹⁰114 using low-energy fusion channels

NUCLEAR REACTIONS ¹⁷²Er(¹¹⁴Pd, X), (¹¹⁸Pd, X), ¹⁷⁰Er(¹¹⁶Pd, X), (¹²⁰Pd, X), ¹⁶⁸Er(¹¹⁸Pd, X), (¹²²Pd, X), ¹⁴⁴Ba(¹⁴²Ce, X), ¹⁴⁴Ce(¹⁴²Ba, X), ¹⁴⁶Ce(¹⁴⁰Ba, X), ¹⁴⁸Ce(¹³⁸Ba, X), ¹⁶²Gd(¹²⁴Sn, X), ¹⁶⁰Gd(¹²⁶Sn, X), ¹⁵⁸Gd(¹²⁸Sn, X), ¹⁵⁶Gd(¹³⁰Sn, X), ¹⁵⁶Sm(¹³⁰Te, X), ¹⁵⁴Sm(¹³²Te, X), ¹⁵²Sm(¹³⁴Te, X), ¹⁶⁸Dy(¹¹⁸Cd, X), (¹²²Cd, X), ¹⁶⁶Dy(¹²⁰Cd, X), ¹⁶⁴Dy(¹²²Cd, X), ¹⁵⁰Nd(¹³⁶Xe, X), ¹⁴⁸Nd(¹³⁸Xe, X), ¹⁷⁰Yb(¹²⁰Ru, X), ¹⁷²Yb(¹¹⁸Ru, X), ¹⁷⁴Yb(¹¹⁶Ru, X), ¹⁷⁶Yb(¹¹⁴Ru, X), ¹⁷⁸Yb(¹¹²Ru, X), ¹⁸⁰Yb(¹¹⁰Ru, X), ¹⁷⁴Hf(¹¹⁶Mo, X), ¹⁷⁶Hf(¹¹⁴Mo, X), ¹⁷⁸Hf(¹¹²Mo, X), ¹⁸⁰Hf(¹¹⁰Mo, X), ¹⁸²Hf(¹⁰⁸Mo, X), ¹⁸⁴Hf(¹⁰⁶Mo, X), ¹⁸⁶Hf(¹⁰⁴Mo, X), ¹⁷⁸W(¹¹²Zr, X), ¹⁸²W(¹⁰⁸Zr, X), ¹⁸⁴W(¹⁰⁶Zr, X), ¹⁸⁶W(¹⁰⁴Zr, X), ¹⁸⁸W(¹⁰²Zr, X), ¹⁹⁰W(¹⁰⁰Zr, X), ¹⁸²Os(¹⁰⁸Sr, X), ¹⁸⁶Os(¹⁰⁴Sr, X), ¹⁸⁸Os(¹⁰²Sr, X), ¹⁹⁰Os(¹⁰⁰Sr, X), ¹⁸⁶Pt(¹⁰⁴Kr, X), ¹⁸⁸Pt(¹⁰²Kr, X), ¹⁹⁰Pt(¹⁰⁰Kr, X), E not given; calculated fusion barrier distributions, potential energy. Macroscopic-microscopic approach, dynamic minimization.

doi: 10.1088/0954-3899/32/11/L03
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2006PO02      Phys.Rev. C 73, 014608 (2006)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Potential energy surfaces for cluster emitting nuclei

RADIOACTIVITY ²²²Ra(¹⁴C); ²³²U(²⁴Ne); ²³⁶Pu(²⁸Mg); ²⁴²Cm(³⁴Si); calculated potential energy surfaces, cluster emission and fission barrier features, shell effects. Asymmetric two-center shell model.

doi: 10.1103/PhysRevC.73.014608
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2006PO11      J.Phys.(London) G32, 1223 (2006)

D.N.Poenaru, I.H.Plonski, R.A.Gherghescu, W.Greiner

Valleys due to Pb and Sn on the potential energy surface of superheavy and lighter α-emitting nuclei

NUCLEAR STRUCTURE ¹⁰⁶Te, ²¹²Po, ²⁹⁴Og; calculated potential energy surfaces; deduced shell effects. Two-center shell model. Systematics of α-decay half-lives discussed.

doi: 10.1088/0954-3899/32/9/002
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2005GH03      Phys.Rev. C 71, 054612 (2005)

R.A.Gherghescu, N.Carjan

Macroscopic-microscopic deformation energy in fusion isobaric reactions

NUCLEAR REACTIONS ⁶⁰Fe(⁴⁴Ca, X), ⁶⁰Ni(⁴⁴Ar, X), ⁶⁴Zn(⁴⁶Ca, X), ⁶⁴Ni(⁴⁶Ar, X), ¹¹⁰Pd(¹⁸²Hf, X), ¹¹⁰Cd(¹⁸²Yb, X), ¹¹⁰Sn(¹⁸²Er, X), ¹¹⁰Te(¹⁸²Dy, X), E not given; calculated fusion barrier distributions, shell corrections, related features.

doi: 10.1103/PhysRevC.71.054612
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2005GH05      Phys.Rev. C 72, 027602 (2005)

R.A.Gherghescu, D.N.Poenaru

Werner-Wheeler mass tensor for fusionlike configuration

NUCLEAR REACTIONS ²⁴⁰Pu(⁵⁴Cr, X), E not given; calculated mass tensor components.

doi: 10.1103/PhysRevC.72.027602
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2005GH06      J.Phys.(London) G31, 1225 (2005)

R.A.Gherghescu, W.Greiner

Synthesis of ²⁹⁸114 within isobaric reaction channels

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁴⁸Xe, X), ¹⁵⁰Ce(¹⁴⁸Ba, X), ¹⁵⁰Ba(¹⁴⁸Ce, X), ¹⁵²Nd(¹⁴⁶Xe, X), ¹⁵²Ce(¹⁴⁶Ba, X), ¹⁵⁴Nd(¹⁴⁴Xe, X), ¹⁵⁴Ce(¹⁴⁴Ba, X), ¹⁵⁶Sm(¹⁴²Te, X), ¹⁵⁶Nd(¹⁴²Xe, X), E not given; calculated fusion barrier energies, penetrabilities.

NUCLEAR STRUCTURE ²⁹⁸Fl; calculated deformation energies for fusion configurations.

doi: 10.1088/0954-3899/31/11/008
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2005GH09      Rom.J.Phys. 50, 377 (2005)

R.A.Gherghescu, D.N.Poenaru, W.Greiner

Deformation effects in two-center shell model

NUCLEAR REACTIONS ¹⁶O(¹⁸Ne, X), (²⁰Ne, X), (²²Ne, X), E not given; calculated shell and deformation effects in fusion reactions. Two-center shell model.

2005GH10      Rom.J.Phys. 50, 889 (2005)

R.A.Gherghescu

Neck influence on binary configuration shell effects

2005GH11      Rom.J.Phys. 50, 903 (2005)

R.A.Gherghescu

Cold fusion channels of ²⁹⁰114

NUCLEAR REACTIONS ¹⁸⁶Pt(¹⁰⁴Kr, X), ¹⁸⁶Os(¹⁰⁴Sr, X), ¹⁸⁶W(¹⁰⁴Zr, X), ¹⁸⁶Hf(¹⁰⁴Mo, X), ¹⁸⁴W(¹⁰⁶Zr, X), ¹⁸⁴Hf(¹⁰⁶Mo, X), ¹⁸²Os(¹⁰⁸Sr, X), ¹⁸²W(¹⁰⁸Zr, X), ¹⁸²Hf(¹⁰⁸Mo, X), ¹⁸⁰Hf(¹¹⁰Mo, X), ¹⁸⁰Yb(¹¹⁰Ru, X), ¹⁷⁸W(¹¹²Zr, X), ¹⁷⁸Hf(¹¹²Mo, X), ¹⁷⁸Yb(¹¹²Ru, X), ¹⁷⁶Hf(¹¹⁴Mo, X), ¹⁷⁶Yb(¹¹⁴Ru, X), E not given; calculated fusion barrier energies, penentrabilities.

2005PO01      Nucl.Phys. A747, 182 (2005)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Complex fission phenomena

NUCLEAR STRUCTURE ¹⁷⁰Yb, ^{226,228,230,232,234,236,238}Th, ^{230,232,234,236,238}U, ²⁵²Cf; calculated saddle-point deformation parameters and energies for binary, ternary, and multicluster fission. Integro-differential equation.

doi: 10.1016/j.nuclphysa.2004.09.104
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2005PO11      Eur.Phys.J. A 24, 355 (2005)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Analytical relationship for the cranking inertia

NUCLEAR STRUCTURE ²⁴⁰Pu; calculated deformation, rotational inertia, pairing gap, Fermi energy. Analytic result, comparison with hydrodynamical model.

doi: 10.1140/epja/i2004-10218-2
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2005PO27      Rom.J.Phys. 50, 187 (2005)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Microscopic model for the nuclear inertia tensor

NUCLEAR STRUCTURE ¹⁴⁴Nd, ²⁵²Cf; calculated effective mass, shell corrections vs deformation.

2003GH01      Phys.Rev. C 67, 014309 (2003)

R.A.Gherghescu

Deformed two-center shell model

NUCLEAR STRUCTURE ²⁵²Cf, ³⁰⁶122; calculated single-particle level energies, shell correction energies for various fission channels, evolution from parent to fragments. Deformed two-center shell model.

doi: 10.1103/PhysRevC.67.014309
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2003GH04      Phys.Rev. C 68, 014315 (2003)

R.A.Gherghescu, G.Royer

Shape isomerism of rotating ⁴⁴Ti and ⁴⁸Cr

NUCLEAR REACTIONS ²⁴Mg, ²⁸Si(²⁰Ne, X), ³²S, ³⁶Ar(¹²C, X), ³²S(¹⁶O, X), ²⁴Mg(²⁴Mg, X), E not given; calculated fusion barrier energies, deformation and shell correction energies; deduced compound nucleus deformation, related features. ⁴⁴Ti, ⁴⁸Cr deduced shape isomer formation mechanisms. Deformed two-center shell model.

doi: 10.1103/PhysRevC.68.014315
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2003GH12      Phys.Rev. C 68, 044314 (2003)

R.A.Gherghescu, W.Greiner

Charge density influence on cold fusion barriers

NUCLEAR REACTIONS ⁶⁶Fe(³⁶Ar, X), ¹²⁸Xe(²⁴Mg, X), ²³⁸U(⁵⁴Cr, X), E not given; calculated fusion barriers, role of charge density.

doi: 10.1103/PhysRevC.68.044314
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2003GH14      Phys.Rev. C 68, 054314 (2003)

R.A.Gherghescu, W.Greiner, G.Munzenberg

Shell effects in cold fusion reactions

NUCLEAR REACTIONS ^18,20,22Ne, ^20,22,24Mg(¹⁶O, X), ²¹⁰Pb(⁵⁶Fe, X), ²⁰⁸Pb(⁵⁸Fe, X), ²⁰⁶Pb(⁶⁰Fe, X), ²⁰⁴Pb(⁶²Fe, X), ^{232,238,240,244}U(⁴⁸Ca, X), E not given; calculated shell corrections and deformation effects in cold fusion reactions.

doi: 10.1103/PhysRevC.68.054314
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2003PO18      Acta Phys.Hung.N.S. 18, 409 (2003)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Fission into Equally Sized Three Fragments

NUCLEAR STRUCTURE ¹⁷⁰Yb, ²³⁶U, ²⁵²Cf; calculated ternary fission associated equilibrium shapes.

doi: 10.1556/APH.18.2003.2-4.50
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2003RO03      Phys.Rev. C 67, 034315 (2003)

G.Royer, C.Bonilla, R.A.Gherghescu

Stability of rotating ⁴⁴Ti, ⁵⁶Ni, and ¹²⁶Ba nuclei in the fusionlike deformation path

NUCLEAR REACTIONS ²⁸Si(¹⁶O, X), (²⁸Si, X), ⁶⁴Ni(⁶⁴Ni, 2n), E not given; calculated potential barriers, compound nucleus deformation and rotational energies. Generalized liquid drop model, two-center shell model.

NUCLEAR STRUCTURE ⁴⁴Ti, ⁵⁶Ni, ¹²⁶Ba; calculated moments of inertia, quadrupole moments, deformation, excitation energy, angular momenta. Macromicroscopic calculations.

doi: 10.1103/PhysRevC.67.034315
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2002PO03      Phys.Rev. C65, 054308 (2002); Erratum Phys.Rev. C66, 049902 (2002)

D.N.Poenaru, Y.Nagame, R.A.Gherghescu, W.Greiner

Systematics of Cluster Decay Modes

NUCLEAR STRUCTURE Z=87-96; analyzed α-decay, cluster decay T_1/2, related data; deduced systematic features.

doi: 10.1103/PhysRevC.65.054308
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2002PO16      J.Nucl.Radiochem.Sci. 3, No 1, 43 (2002)

D.N.Poenaru, W.Greiner, Y.Nagame, R.A.Gherghescu

Nuclear Shapes in Complex Fission Phenomena

NUCLEAR STRUCTURE ²³⁸U, ^228,232Th; calculated fission associated deformations, saddle-point deformation energies.

2002RO05      Nucl.Phys. A699, 479 (2002)

G.Royer, R.A.Gherghescu

On the Formation and Alpha Decay of Superheavy Elements

NUCLEAR REACTIONS ²⁴⁸Cm, ²⁴⁴Pu, ²³²Th, ²⁰⁹Bi, ^207,208Pb(⁵⁸Fe, X), ¹⁸¹W(¹¹⁶Cd, X), ²⁰⁸Pb(¹⁰⁴Ru, X), (⁸⁸Sr, X), (⁸⁷Rb, X), (⁸⁶Kr, X), (⁸²Se, X), (⁸²Ge, X), (⁷⁶Ge, X), (⁶⁸Zn, X), (⁶²Ni, X), ²⁴⁸Cm, ²⁰⁹Bi, ^{204,206,207,208}Pb(⁵⁰Ti, X), ²⁴⁸Cm, ^242,244Pu, ²³⁷Np, ²³⁸U(⁴⁸Ca, X), ¹⁵⁰Nd(¹⁴²Xe, X), ¹⁶⁰Gd(¹³²Sn, X), ²⁰⁹Bi, ²⁰⁸Pb(⁷⁰Zn, X), (⁶⁴Ni, X), (⁴⁹Ti, X), (⁴⁸Ti, X), ²⁴⁴Pu, ²³⁸U(³⁴S, X), ²⁰⁹Bi(⁵⁹Co, X), (⁵¹V, X), ^206,207,208Pb(⁵⁵Mn, X), ²⁰⁹Bi, ^206,207,208Pb(⁵⁴Cr, X), ²⁴⁸Cm, ²⁴³Am, ²⁴⁴Pu(²²Ne, X), ²⁴⁹Cf(¹⁸O, X), (¹⁵N, X), ²⁴⁸Cm(¹⁶O, X), ²⁴⁹Cf(¹³C, X), (¹²C, X), E not given; calculated fusion barrier parameters. Generalized liquid drop model.

NUCLEAR STRUCTURE Z=104-118; A=285-302; calculated Qα, α-decay T_1/2. Generalized liquid drop model.

doi: 10.1016/S0375-9474(01)01296-9
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2002RO23      Phys.Rev. C65, 067304 (2002)

G.Royer, C.Bonilla, R.A.Gherghescu

The Highly Deformed Nucleus ⁴⁰Ca in the Fusionlike Deformation Valley

NUCLEAR STRUCTURE ⁴⁰Ca; calculated deformation and rotational energies, shell effects, quadrupole moment, superdeformed band features. Generalized rotating liquid drop model.

doi: 10.1103/PhysRevC.65.067304
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2002RO47      Acta Phys.Hung.N.S. 16, 267 (2002)

G.Royer, K.Zbiri, R.A.Gherghescu

Entrance and Exit Channels for the Heaviest Elements

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁸Fe, X), (⁷⁰Zn, X), (⁸⁶Kr, X), ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), E not given; calculated fusion barrier distributions.

NUCLEAR STRUCTURE Z=108-118; A=263-300; calculated Qα, T_1/2.

doi: 10.1556/APH.16.2002.1-4.29
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2001GH01      J.Phys.(London) G27, 63 (2001)

R.A.Gherghescu, A.Ludu, J.P.Draayer

Soliton Excitations as Emitted Clusters on Nuclear Surfaces

NUCLEAR STRUCTURE ²⁴⁸No, ²²⁴Th; calculated potential energy surfaces for ¹⁶O and ⁴⁰Ca cluster emission, related features.

doi: 10.1088/0954-3899/27/1/305
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2000GH03      Int.J.Mod.Phys. E9, 51 (2000)

R.A.Gherghescu, G.Royer

Macroscopic-Microscopic Energy of Rotating Nuclei in the Fusion-Like Deformation Valley

NUCLEAR STRUCTURE ⁸⁴Zr, ¹³²Ce, ¹⁵²Dy, ¹⁹²Hg; calculated energy vs deformation and spin; deduced fusion barrier features. Two-center shell model, generalized liquid drop model, Strutinsky shell corrections.

doi: 10.1016/S0218-3013(00)00004-0
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1999GH02      Nucl.Phys. A651, 237 (1999)

R.A.Gherghescu, J.Skalski, Z.Patyk, A.Sobiczewski

Non-Axial Shapes in Spontaneous Fission of Superheavy Nuclei

NUCLEAR STRUCTURE ²⁸²Hs, ²⁹⁸Fl, ^294,300120, ^300,308122; calculated energy surfaces; deduced fission trajectories, role of non-axial paths.

doi: 10.1016/S0375-9474(99)00126-8
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1999PO10      Phys.Rev. C59, 3457 (1999)

D.N.Poenaru, W.Greiner, J.H.Hamilton, A.V.Ramayya, E.Hourany, R.A.Gherghescu

Multicluster Accompanied Fission

RADIOACTIVITY ²⁵²Cf, ²⁶²Rf(SF); calculated multicluster accompanied fission Q-values, configurations.

doi: 10.1103/PhysRevC.59.3457
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1998GH02      J.Phys.(London) G24, 1149 (1998)

R.A.Gherghescu, D.N.Poenaru, W.Greiner

Fission Channels of ³⁰⁴120

NUCLEAR STRUCTURE ³⁰⁴120; calculated potential energy vs deformation, fission channels relative probabilities.

RADIOACTIVITY ³⁰⁴120(SF); calculated T_1/2.

doi: 10.1088/0954-3899/24/6/009
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1998GH04      Nuovo Cim. 111A, 105 (1998)

R.A.Gherghescu, D.N.Poenaru, W.Greiner

Energy Valleys of Double-Magic Superheavy Nuclei

NUCLEAR STRUCTURE ²⁹⁸Fl, ³⁰⁴120; calculated potential energy surfaces; deduced fission, fusion barriers, deformation parameters, shell effects.

1998PA34      Acta Phys.Hung.N.S. 7, 13 (1998)

Z.Patyk, J.Skalski, R.A.Gherghescu, A.Sobiczewski

Shell Structure and Shapes of Superheavy Nuclei

NUCLEAR STRUCTURE Z=82-120; calculated shell correction energies, deformation parameters. ²⁷⁰Hs; calculated single-particle energies. ²⁹²Og, ^294,298120; calculated fission deformation trajectories.

1998PO02      J.Phys.(London) G24, L23 (1998)

D.N.Poenaru, W.Greiner, R.A.Gherghescu

Shell Closure at the Touching Point of Nuclear Fragments

NUCLEAR STRUCTURE ¹⁰⁶Te, ¹¹⁶Ce, ²¹²Po, ²²⁸Th, ^258,264Fm; calculated touching point deformation energy vs proton number; deduced alpha, cluster decay modes.

doi: 10.1088/0954-3899/24/3/002
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1998PO04      At.Data Nucl.Data Tables 68, 91 (1998)

D.N.Poenaru, W.Greiner, R.A.Gherghescu

Energy Released in Ternary Fission

NUCLEAR STRUCTURE Z=90-116; calculated ternary fission Q-values.

doi: 10.1006/adnd.1997.0758
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1998PO26      Nuovo Cim. 111A, 887 (1998)

D.N.Poenaru, R.A.Gherghescu, W.Greiner

Alpha-Decay Valley of ¹⁰⁶Te

NUCLEAR STRUCTURE ²³⁶Pu, ¹⁰⁶Te; calculated potential energy surfaces; deduced decay modes, related features. Phenomenological shell correction.

doi: 10.1007/BF03035974
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1997GH02      Acta Phys.Pol. B28, 31 (1997)

R.A.Gherghescu, Z.Patyk, A.Sobiczewski

On the Fission Half-Lives of Spherical Superheavy Nuclei

NUCLEAR STRUCTURE Z=114; calculated fission barriers, fission, α-decay T_1/2 for even-N isotopes. Dynamical approach.

1997GH09      J.Phys.(London) G23, 1715 (1997)

R.A.Gherghescu, D.N.Poenaru, W.Greiner

Deformation Energy of Superheavy Nuclei

NUCLEAR STRUCTURE ²⁸⁰Hs, ²⁹⁸Fl, ³⁰⁴120; calculated potential energy vs deformation. Macroscopic-microscopic method.

doi: 10.1088/0954-3899/23/11/019
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1997GH11      Roum.J.Phys. 42, 471 (1997)

R.A.Gherghescu

Spontaneous Fission of Neutron-Rich Superheavy Nuclei

NUCLEAR STRUCTURE ^296,298,300Cn, ^298,300,302Fl, ^300,302,304Lv; calculated potential energy vs deformation, fission barrier characteristics.

RADIOACTIVITY ^296,298,300Cn, ^298,300,302Fl, ^300,302,304Lv(SF); calculated fission T_1/2.

1997PO21      Nuovo Cim. 110A, 1049 (1997)

D.N.Poenaru, W.Greiner, E.Hourany, R.A.Gherghescu

Even-Even-Like Alpha- and Cluster Emitters

doi: 10.1007/BF03035944
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1996GH02      Z.Phys. A354, 367 (1996)

R.A.Gherghescu, D.N.Poenaru, W.Greiner

Two-Dimensional Sequence of Shapes for Cold-Fission of ²⁶⁴Fm

NUCLEAR STRUCTURE ²⁶⁴Fm; calculated symmetrical cold fission inertia tensor components, potential energy surface function.

doi: 10.1007/s002180050059
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1995GH11      Phys.Rev. C52, 2636 (1995)

R.A.Gherghescu, W.Greiner, D.N.Poenaru

Two-Dimensional Nuclear Inertia: Analytical relationships

RADIOACTIVITY ²⁵²Cf(⁴⁰Ar), (α); calculated cluster-, α-emission associated inertia tensors vs separation distance, light fragment radius. Werner-Wheeler approximation.

doi: 10.1103/PhysRevC.52.2636
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1994GH08      Fizika(Zagreb) B3, 119 (1994)

R.A.Gherghescu, W.Greiner, D.N.Poenaru

Unexpected Property of Proximity Potentials

NUCLEAR STRUCTURE Z=80-120; calculated cold fission barriers; deduced two maxima for Z=96-120. Two macroscopic models.