NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = D.Poenaru Found 117 matches. Showing 1 to 100. [Next]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
2022AK03 Nucl.Phys. A1021, 122419 (2022) D.T.Akrawy, Dorin N.Poenaru, A.H.Ahmed, L.Sihver α-decay half-lives new semi-empirical relationship including asymmetry, angular momentum and shell effects NUCLEAR STRUCTURE N=20-180; calculated α-decay T1/2 using a modified version of the semi-empirical formula SemFIS. Comparison with available data.
doi: 10.1016/j.nuclphysa.2022.122419
2022GH07 Phys.Rev. C 106, 034611 (2022) 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 T1/2 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
2022GH08 Phys.Rev. C 106, 034616 (2022) 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
2021PO05 Int.J.Mod.Phys. E30, 2150016 (2021) 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, T1/2 using the analytical super-asymmetric fission (ASAF) model; deduced proton and neutron drip lines.
doi: 10.1142/S0218301321500166
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, T1/2 using ASAF model. 297,299,300,302119(α); calculated possible α-decay chains Q, T1/2 for each nucleus within the chain. 300120(92Sr);302120(94Sr); calculated possible cluster decay energy, T1/2, branching relative to α-decay.
doi: 10.1140/epja/i2018-12469-6
2018PO06 Phys.Rev. C 97, 044621 (2018) 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, T1/2 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, T1/2 using Akrawy (AKRA), ASAF, Universal Formula (UNIV), and Semi-empirical formula based on fission theory (semFIS). 302,300,299120, 299,297119, 298,296,295,294Og, 295,293Ts, 294,293,292,291,290Lv, 291,289Mc, 290,289,288,287,286Fl, 287,285Nh, 286,285,284,283,282Cn, 283,281Rg, 281,279Ds, 277,275Hs, 271Sg, 267Rf(α); calculated kinetic energies, T1/2 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
2018PO12 Europhys.Lett. 124, 52001 (2018) Alpha decay and cluster radioactivity of super heavy nuclei 303, 304120 RADIOACTIVITY 303,304120, 299,300Og, 295,296Lv, 291,292Fl, 287,288Cn, 284Ds(α), 303,304120(92Sr), (94Sr); calculated T1/2. Comparison with available data.
doi: 10.1209/0295-5075/124/52001
2017AK04 J.Phys.(London) G44, 105105 (2017) Alpha decay calculations with a new formula NUCLEAR STRUCTURE A=130, 119, 109, 96, 188, 147, 131, 114, 136, 84, 76, 48; calculated T1/2 using a new semi-empirical formula.
doi: 10.1088/1361-6471/aa8527
2017PO09 Europhys.Lett. 118, 22001 (2017) 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
2016PO05 Phys.Rev. C 94, 014309 (2016) 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
2016PO10 Eur.Phys.J. A 52, 349 (2016) 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
2015GH06 Pramana 85, 439 (2015) Spontaneous fission of superheavy nuclei RADIOACTIVITY 282,292120(SF); calculated fission channels with the lowest T1/2, deformation energy and penetrability for binary nuclear configurations typical for fission processes. The macroscopic-microscopic method.
doi: 10.1007/s12043-015-1059-8
2015PO06 Pramana 85, 415 (2015) Fission approach to cluster radioactivity RADIOACTIVITY 286Fl(SF); calculated potential energy surfaces, α-decay and cluster decay T1/2. Comparison with experimental data.
doi: 10.1007/s12043-015-1056-y
2014PO11 J.Phys.(London) G41, 125104 (2014) 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, T1/2.
doi: 10.1088/0954-3899/41/12/125104
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) 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, T1/2. Comparison AME 2012 and other data.
doi: 10.1088/0954-3899/40/10/105105
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 T1/2 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, 253,254,255,258Lr, 257,258Rf, 256,257,258,260Db, 260,261,263,265,271Sg, 261,262,266,272Bh, 265,267,270Hs, 270,276,278Mt, 267,269,279,281Ds, 279,280Rg, 283,284,285Cn, 272,282,283,284,285,286Nh, 286,287,288,289Fl, 287,288,289Mc, 290,291,292,293Lv, 293,294Ts, 294,295Og(α); calculated T1/2; deduced universal decay law using α-like R-matrix theory.
doi: 10.1088/0954-3899/39/1/015105
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
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 T1/2 for heavy cluster emission; deduced large half-lives for Z=124. AME11 mass table.
doi: 10.1142/S021830131250022X
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
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 T1/2, spontaneous emission of heavy particles. KTUY05 and FRDM95 mass models.
doi: 10.1103/PhysRevLett.107.062503
2010PO07 Nucl.Phys. A834, 163c (2010) Extension of superasymmetric fission theory from cluster decay to nanophysics RADIOACTIVITY Z=87-96(α), (14C), (20O), (24Ne), (25Ne), (28Mg), (30Mg), (32Si), (34Si); analyzed T1/2 for cluster decay. Discussed cluster emission from metallic clusters.
doi: 10.1016/j.nuclphysa.2009.12.029
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
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
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
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
2008PO07 Int.J.Mod.Phys. E17, 2255 (2008) Cluster radioactivities - past, present and future
doi: 10.1142/S0218301308011446
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 T1/2; deduced parameters.
doi: 10.1209/0295-5075/77/62001
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
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
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
2006PO08 Phys.Rev. C 74, 014312 (2006) D.N.Poenaru, I.-H.Plonski, W.Greiner α-decay half-lives of superheavy nuclei NUCLEAR STRUCTURE Z=93-118; calculated α-decay T1/2. Several models compared with data.
doi: 10.1103/PhysRevC.74.014312
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
2005GH05 Phys.Rev. C 72, 027602 (2005) 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
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.
2005PO01 Nucl.Phys. A747, 182 (2005) D.N.Poenaru, R.A.Gherghescu, W.Greiner Complex fission phenomena NUCLEAR STRUCTURE 170Yb, 226,228,230,232,234,236,238Th, 230,232,234,236,238U, 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
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
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.
2003PO15 Europhys.Lett. 64, 164 (2003) Deformation energy minima at finite mass asymmetry NUCLEAR STRUCTURE 226,228,230,232,234,236,238Th, 230,232,234,236,238U; calculated saddle point deformation energy vs mass asymmetry. Phenomenological shell corrections.
doi: 10.1209/epl/i2003-00612-8
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
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 T1/2, related data; deduced systematic features.
doi: 10.1103/PhysRevC.65.054308
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.
2001HA67 Acta Phys.Hung.N.S. 14, 161 (2001) J.H.Hamilton, A.V.Ramayya, J.K.Hwang, G.M.Ter-Akopian, A.V.Daniel, T.N.Ginter, C.J.Beyer, J.Kormicki, X.Q.Zhang, A.M.Rodin, A.S.Fomichev, J.Kliman, L.Krupa, M.Jandel, Yu.Ts.Oganessian, W.Greiner, D.N.Poenaru, G.Chubaryan, D.Seweryniak, R.V.F.Janssens, J.O.Rasmussen, S.-C.Wu, R.Donangelo, W.C.Ma, R.B.Piercey, J.D.Cole Behavior of Nuclear Matter under Extreme Conditions in Fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, (charged particle)γ-coin; deduced neutron multiplicity, fission fragments isotopic yields, long-lived nuclear molecules. Gammasphere array.
doi: 10.1556/APH.14.2001.1-4.16
2001PO06 J.Phys.(London) G27, L19 (2001) D.N.Poenaru, W.Greiner, J.H.Hamilton, A.V.Ramayya Fragment Configurations in Multi-Cluster Fission RADIOACTIVITY 252Cf(SF); calculated Q-values and yields for multi-cluster fission; deduced decay mechanism features.
doi: 10.1088/0954-3899/27/4/101
2001PO20 Acta Phys.Hung.N.S. 13, 79 (2001) D.N.Poenaru, B.Dobrescu, W.Greiner, J.H.Hamilton, A.V.Ramayya Fission Energy Surfaces and Ternary Fission NUCLEAR STRUCTURE 252Cf; calculated deformation energy, shell corrections, T1/2 for ternary fission. Three-center liquid drop model. RADIOACTIVITY 252Cf(SF); calculated deformation energy, shell corrections, T1/2 for ternary fission. Three-center liquid drop model.
doi: 10.1556/APH.13.2001.1-3.9
2001PO31 Acta Phys.Hung.N.S. 14, 285 (2001) D.N.Poenaru, W.Greiner, J.H.Hamilton, A.V.Ramayya Nuclear Molecules in Ternary Fission RADIOACTIVITY 236U, 240Pu, 246Cm, 252Cf, 252,256Fm, 260No, 262Rf; calculated quasi-molecular states T1/2 for 10Be-accompanied ternary fission.
doi: 10.1556/APH.14.2001.1-4.27
2000PO09 J.Phys.(London) G26, L97 (2000) D.N.Poenaru, B.Dobrescu, W.Greiner, J.H.Hamilton, A.V.Ramayya Nuclear Quasi-Molecular States in Ternary Fission RADIOACTIVITY 252Cf(SF); calculated deformation energies and shell correction energies in ternary fission, quasi-molecular T1/2 in ternary fission for cases when the lightest fragment is 10Be or 12C.
doi: 10.1088/0954-3899/26/6/104
1999PO05 J.Phys.(London) G25, L7 (1999) New Decay Modes: Multicluster spontaneous emission from nuclei RADIOACTIVITY 252Cf(SF); calculated multi-cluster accompanied fission Q-values, fragment energies; deduced possible decay mechanism.
doi: 10.1088/0954-3899/25/3/012
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
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 T1/2.
doi: 10.1088/0954-3899/24/6/009
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.
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
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
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
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
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
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
1996PO10 J.Phys.(London) G22, 621 (1996) D.N.Poenaru, W.Greiner, E.Hourany Proton-Rich Cluster Emitter Half-Lives RADIOACTIVITY 114,116Ba, 118,120Ce, 122Nd, 126Sm, 132Gd(12C), (16O), (20Ne), (24Mg), (28Si); calculated cluster emission T1/2, branching ratios with respect to α-, β-decay. Analytical super-asymmetric fission model.
doi: 10.1088/0954-3899/22/5/009
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
1995HO11 Phys.Rev. C52, 267 (1995) E.Hourany, G.Berrier-Ronsin, A.Elayi, P.Hoffmann-Rothe, A.C.Mueller, L.Rosier, G.Rotbard, G.Renou, A.Liebe, D.N.Poenaru, H.L.Ravn 223Ra Nuclear Spectroscopy in 14C Cluster Radioactivity RADIOACTIVITY 223Ra(14C); measured E(14C), T1/2; deduced hindrance factors. Implanted source, SOLENO spectrometer.
doi: 10.1103/PhysRevC.52.267
1995PO02 Phys.Rev. C51, 594 (1995) D.N.Poenaru, W.Greiner, E.Hourani 12C Emission from 114Ba and Nuclear Properties NUCLEAR STRUCTURE A=222-242; calculated cluster decay T1/2, several model-dependent quantities. Different models. RADIOACTIVITY 114Ba(12C); calculated T1/2 vs (Q-value), correction energy, radii dependences. Different models.
doi: 10.1103/PhysRevC.51.594
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.
1994MI18 Z.Phys. A349, 39 (1994) M.Mirea, D.N.Poenaru, W.Greiner Threedimensional Dynamics of Nuclear Decay Modes RADIOACTIVITY 234U(α), (28Mg); calculated elongation, necking-in, mass asymmetry radii vs relative separation distance between centers. Nondissipative three-dimensional fission dynamics. NUCLEAR STRUCTURE 234U; calculated necking-in radius vs relative separation distance between centers, cold fission, 100Zr fragment. Nondissipative three-dimensional fission dynamics.
doi: 10.1007/BF01296331
1994PO16 Z.Phys. A349, 307 (1994) D.N.Poenaru, W.Greiner, E.Hourani, M.Hussonnois Nuclear Structure Effects in Cluster Radioactivity NUCLEAR STRUCTURE 208Pb; calculated cluster preformation probability; deduced structure role in low probability as parent compared to daughter in cluster decay. Semi-classical method.
doi: 10.1007/BF01288981
1994PO17 Z.Phys. A349, 305 (1994) Cluster Preformation in Closed- and Mid-Shell Nuclei NUCLEAR STRUCTURE A=221-242; calculated cluster preformation probability; deduced structure dependence. Semiclassical model.
doi: 10.1007/BF01288980
1994PO18 Z.Phys. A349, 307 (1994) D.N.Poenaru, W.Greiner, E.Hourani, M.Hussonnois Nuclear Structure Effects in Cluster Radioactivity RADIOACTIVITY 223Ra(14C); calculated cluster decay hindrance factors; deduced structure effects role. Analytical superasymmetric fission model.
doi: 10.1007/BF01288981
1994PO29 Ann.Phys.(Leipzig) 3, 107 (1994) D.N.Poenaru, E.Hourani, W.Greiner Cluster Radioactivities of Odd-Mass Nuclei RADIOACTIVITY 221Fr, 221,223Ra, 225Ac(14C); 233U, 231Pa(24Ne); 231Pa(23F); calculated cluster decay T1/2, daughter excited states transitions. Fission model.
doi: 10.1002/andp.19945060205
1993MI41 Roum.J.Phys. 38, 71 (1993) Two-Center Shell Model with Mass-Asymmetry and Necking-In NUCLEAR STRUCTURE 234U; calculated asymmetric fission one-body levels, 100Zr light fragment. Two-center shell model, mass asymmetry, necking-in.
1993PO04 Phys.Rev. C47, 2030 (1993) D.N.Poenaru, W.Greiner, R.Gherghescu New Island of Cluster Emitters NUCLEAR STRUCTURE A=114-123; calculated 12C, 16O, 28Si, other cluster emission T1/2 relative to α-decay, branching ratios; deduced new cluster emitters island. Analytical superasymmetric fission model.
doi: 10.1103/PhysRevC.47.2030
1992GH03 Roum.J.Phys. 37, 1005 (1992) Potential Barriers for Symmetrical Cold Fission Processes NUCLEAR STRUCTURE Z=80-120; N ≤ 200; calculated deformation energy vs interfragment distance in cold symmetrical fission. Yukawa-plus-exponential model, two intersecting spheres shape parametrization.
1992PO15 Fizika(Zagreb) B1, 221 (1992) D.N.Poenaru, W.Greiner, R.Gherghescu, D.Mazilu Metastability of α-Stable Neutron-Rich Nuclei RADIOACTIVITY A=163-226; calculated cluster emission T1/2. Proton deficient nuclei clusters, superasymmetric fission model.
1991PO09 At.Data Nucl.Data Tables 48, 231 (1991) D.N.Poenaru, D.Schnabel, W.Greiner, D.Mazilu, R.Gherghescu Nuclear Lifetimes for Cluster Radioactivities NUCLEAR STRUCTURE Z=52-122; calculated partial T1/2, Q for cluster emission.
doi: 10.1016/0092-640X(91)90008-R
1991PO16 Phys.Scr. 44, 427 (1991) Cluster Preformation as Barrier Penetrability RADIOACTIVITY N ≈ 40-160; analyzed α-decay T1/2; deduced cluster preformation probability interpretation. Comparison with barrier penetrability in fission.
doi: 10.1088/0031-8949/44/5/004
1991PO23 J.Phys.(London) G17, S443 (1991) Rare Decay Modes by Cluster Emission from Nuclei NUCLEAR STRUCTURE A=222-238; calculated cluster decay T1/2. Fission theory, prescission barrier penetrability.
doi: 10.1088/0954-3899/17/S/045
1989HO16 Ann.Phys.(Paris) 14, 311 (1989) E.Hourani, M.Hussonnois, D.N.Poenaru Radioactivities by Light Fragment (C, Ne, Mg) Emission
1989PO18 Nucl.Phys. A502, 59c (1989) D.N.Poenaru, W.Greiner, M.Ivascu Predicted Halflives for Cluster Radioactivities
doi: 10.1016/0375-9474(89)90654-4
1987PO08 Rev.Roum.Phys. 32, 283 (1987) D.N.Poenaru, M.Ivascu, D.Mazilu, I.H.Plonski Superasymmetric Fission Model for Deformed Nuclei RADIOACTIVITY 221,222,223,224,226Ra, 221Fr, 225Ac(14C); 230,232Th, 232,233U, 231Pa(24Ne); 237Np(32Si); 241Am(34Si); calculated log T1/2. Superasymmetric fission model.
1987PO16 Z.Phys. A328, 309 (1987) D.N.Poenaru, J.A.Maruhn, W.Greiner, M.Ivascu, D.Mazilu, R.Gherghescu Cold Fission as Heavy Ion Emission RADIOACTIVITY 234,236U, 239Np, 240Pu(SF); calculated most probable cold fission light fragments, charged particle emission T1/2 vs fragment mass. Analytical superasymmetric fission model.
1986PO06 At.Data Nucl.Data Tables 34, 423 (1986) D.N.Poenaru, W.Greiner, K.Depta, M.Ivascu, D.Mazilu, A.Sandulescu Calculated Half-Lives and Kinetic Energies for Spontaneous Emission of Heavy Ions from Nuclei NUCLEAR STRUCTURE Z=47-106; calculated, evaluated heavy-ion SF decay characteristics, T1/2, branching ratio relative to α-decay, Q, kinetic energies. Analytical superasymmetric fission model.
doi: 10.1016/0092-640X(86)90013-6
1986PO15 Z.Phys. A325, 435 (1986) D.N.Poenaru, W.Greiner, M.Ivascu, D.Mazilu, I.H.Plonski Odd-Even Staggering of Heavy Cluster Spontaneous Emission Rates RADIOACTIVITY 221,222Ra, 228Th, 221Fr, 224,225Ac(14C); 223,225,224Ac(15N); 228,229Th(20O); 230Th(22O); 229,230,232Th, 232,234,233,235U, 231Pa(24Ne); 232Th, 234,235U(26Ne); 234,233,235U, 232Th, 236Pu, 236Np(28Mg); 233,235U(25Ne); 240,239Pu, 242Cm, 241Am(34Si), 252Cf, 252Es(46Ar); 240Cm, 237Np, 235U(32Si); 252Cf, 251Es, 255No, 254Md(48Ca); 231Pa(23F); 237Np(30Mg); 235U, 236Np(29Mg); 239Pu(33Si); 257Fm, 258Md(51Ca); calculated T1/2, branching ratios. Analytical superasymmetric fission model.
1985GR01 Z.Phys. A320, 347 (1985) W.Greiner, M.Ivascu, D.N.Poenaru, A.Sandulescu On Exotic Nuclear Decay of 223Ra by Emission of 14C Nuclei RADIOACTIVITY 238U; calculated α, Ne, Mg, S, 34Si, Ar, Ca, Ti, Cr, Fe penetrability, T1/2. Even-even cluster emission, superasymmetric fission mechanism.
doi: 10.1007/BF01881286
1985PO11 Phys.Rev. C32, 572 (1985) D.N.Poenaru, M.Ivascu, A.Sandulescu, W.Greiner Atomic Nuclei Decay Modes by Spontaneous Emission of Heavy Ions RADIOACTIVITY 222Fr, 222,223,224,226Ra(14C); 223,224Ac, 231Th, 232U(15N); 233,235U(24Ne); 233,235U(25Ne); 233U, 236Np, 236Pu(28Mg); 235U, 236Np(29Mg); 239Cm(32Si); 251Cf(46Ar); 253Fm, 254Md, 255No(48Ca); 258Md, 259No(50Ca); calculated decay T1/2, (heavy ion/α) branching ratio.
doi: 10.1103/PhysRevC.32.572
1985PO12 Rev.Roum.Phys. 30, 173 (1985) D.N.Poenaru, M.Ivascu, A.Sandulescu, W.Greiner New Natural Radioactivities by Emission of Heavy Ions RADIOACTIVITY 222Fr, 225,226Ra, 223,224,225,227Ac, 227,228,229,230,232Th, 231Pa, 232,233,234,235,238U, 236,237Np, 236,239,240,242Pu, 243Am, 239,251,252Cf; calculated heavy ion emission T1/2, branching ratio relative to α-decay.
1985PO14 J.Phys.(Paris), Lett. 46, L591 (1985) Two Alpha, Three Alpha and Multiple Heavy-Ion Radioactivities RADIOACTIVITY 219,220Ac, 220,221,225,226Th, 222,223,225Pa, 221Ra, 232,236Pu, 233Am, 235Np, 236Pu(SF); calculated multiple, single heavy ion emission T1/2 following fission, decay mode competition. Superasymmetric fission model, analytical variant.
doi: 10.1051/jphyslet:019850046013059100
1985PO20 Phys.Rev. C32, 2198 (1985) D.N.Poenaru, W.Greiner, M.Ivascu, A.Sandulescu Heavy Cluster Decay of Trans-Zirconium ' Stable ' Nuclides RADIOACTIVITY 150Sm(12C), (α); 151Eu, 156Dy, 181Ta, 180,182,183,184W, 184Os(α); 154Gd(16O), (α); 169Tm, 170Yb(32Si), (α); 168Yb(30Si), (α); 180Hf, 185Re(48Ca), (α); 186W(50Ca), (α); 187Os(49Ca), (α); 188Os(52Ti), (α); 189Os(53Ti), (α); 192Os(58Cr), (α); 191Ir, 192Pt(56Cr), (α); 198Pt(58Ni), (α); 197Au(62Fe), (α); 196Hg(60Fe), (α); 202Hg(68Ni), (α); calculated heavy cluster decay, Q, T1/2. Analytical superasymmetric fission model.
doi: 10.1103/PhysRevC.32.2198
1985SA02 Phys.Rev.Lett. 54, 490 (1985) A.Sandulescu, D.N.Poenaru, W.Greiner, J.H.Hamilton Comment on ' Exotic Nuclear Decay of 223Ra by Emission of 14C Nuclei ' NUCLEAR STRUCTURE 223,226Ra, 232Th, 233U, 237Np; analyzed decay by 14C, 24,25,26Ne, 30Mg emission.
doi: 10.1103/PhysRevLett.54.490
1984PO08 J.Phys.(London) G10, L183 (1984) D.N.Poenaru, M.Ivascu, A.Sandulescu, W.Greiner Spontaneous Emission of Heavy Clusters RADIOACTIVITY 223,226Ra, 227Ac, 230,232Th, 232,233,234,235,238U, 237Np, 252Cf(SF); calculated cluster SF decay T1/2, (T1/2(SF)/T1/2(α)); deduced decay probability dependence on magic, near magic nature of daughter nucleus. Two-center spherical shape parametrization.
doi: 10.1088/0305-4616/10/8/004
1984PO11 J.Phys.(Paris) 45, 1099 (1984) 5He Radioactivity RADIOACTIVITY 214,217At, 217,218,226Ac, 219,221,218,227Th, 217,216Ra, 215,216Fr, 212,213Po, 215Rn; calculated SF decay T1/2 for 5He emission.
doi: 10.1051/jphys:019840045070109900
1984PO22 Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 1897 (1984) D.N.Poenaru, M.Ivascu, A.Sendulesky, V.Grainer Decay of Heavy Nuclei with Cluster Emission NUCLEAR STRUCTURE 223,224Ra, 227Ac, 230,232Th, 231Pa, 232,233,234,235,238U, 237Np, 252Cf; calculated α-decay to cluster emission T1/2 ratio following fission.
1984PO25 Rev.Roum.Phys. 29, 587 (1984) The Island of Alpha Activity Close to the Double Magic Nucleus 100Sn RADIOACTIVITY 106,108,107,109,110Te, 110,112,111,113Xe, 110,111,112,113I, 114Cs(α); N=55-100; Te, Xe, I, Cs, Ba, La, Ce, Pr, Nd, Pm(α); calculated T1/2 for range of isotopes. Semi-empirical formula, Q from mass formula.
1984PO26 Rev.Roum.Phys. 29, 623 (1984) Spontaneous Emission of Charged Particles from Nuclei NUCLEAR STRUCTURE 208Pb, 209Bi, 211At, 210Po, 212Rn; calculated spontaneous Z=3-10 charged particle decay T1/2. Experimental mass tabulation input.
1983PO06 J.Phys.(Paris) 44, 791 (1983) Estimation of the Alpha Decay Half-Lives RADIOACTIVITY N ≈ 90-155; calculated α-decay partial T1/2. Fission theory based semi-empirical relationships.
doi: 10.1051/jphys:01983004407079100
1983PO07 Rev.Roum.Phys. 28, 309 (1983) A Basic Set of Experimental Data on the Strong Alpha Transitions RADIOACTIVITY A=108-244; analyzed α-decay T1/2, Q data; deduced semi-empirical formula parameters.
1982PO06 Rev.Roum.Phys. 27, 129 (1982) Fission Approach to the Alpha Decay RADIOACTIVITY N=110-156; calculated α-decay T1/2, interaction, fission barriers, shell effects. Fission approach, Myers-Swiatecki liquid drop model.
1981MA05 J.Phys.(London) G7, 359 (1981) M.T.Magda, A.Pop, D.Poenaru, A.Sandulescu, W.Greiner Synthesis of Superheavy Elements in Heavy-Ion Fusion Reactions NUCLEAR REACTIONS 206Pb(59Co, xn), E=310-340 MeV; 209Bi(56Fe, xn), E=290-325 MeV; 203Tl(62Ni, xn), E=320-355 MeV; 181Ta(84Kr, xn), E=410-455 MeV; 202Hg(63Cu, xn), E=325-355 MeV; 225Ac(48Ca, xn), E=230-250 MeV; 232Th(48Ca, xn), E=230-255 MeV; 231Pa(48Ca, xn), E=235-250 MeV; 226Ra(48Ca, xn), E=220-260 MeV; 208Pb(58Fe, xn), E=290-320 MeV; 233U(48Ca, xn), E=245-260 MeV; 240Pu(48Ca, xn), E=240-265 MeV; 238U(50Ti, xn), E=260-280 MeV; 242,244Pu(48Ca, xn), E=237.5-260 MeV; 248Cm(48Ca, xn), E=240-275 MeV; 237Np(51V, xn), E=280-300 MeV; 238Pu(50Ti, xn), E=270-290 MeV; 234U(54Cr, xn), E=290-315 MeV; 232Th(56Fe, xn), E=315-335 MeV; calculated production σ(E) for 266108, 274108, 265109, 273109, 280110, 279111, 281112, 288114, 290114, 292114, 288116, 296116. Statistical model, fusion reaction, Krappe-Nix-Sierk interaction barriers.
doi: 10.1088/0305-4616/7/3/011
1981PO11 J.Phys.(London) G7, 965 (1981) Alpha Decay from Fission Isomeric States RADIOACTIVITY, Fission 236m,238mU, 236m,238m,240m,242mPu, 240m,242mCm; calculated α-decay T1/2. Liquid drop model, phenomenological shell correction.
doi: 10.1088/0305-4616/7/7/019
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