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NSR database version of April 11, 2024.

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2023DE26      Eur.Phys.J. A 59, 210 (2023)

D.S.Delion, A.Dumitrescu

Alpha-clustering and related phenomena in medium and heavy nuclei

NUCLEAR STRUCTURE 164Dy, 168Er, 172Yb, 176Hf, 180W, 184Os, 188Pt, 192Hg, 196Pb, 200Po, 204Rn; analyzed available data; deduced even–odd staggering in pair binding energies along α-lines in terms of the so-called isospin pairing.

doi: 10.1140/epja/s10050-023-01105-5
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2023DU02      Phys.Rev. C 107, 024302 (2023)

A.Dumitrescu, D.S.Delion

Cluster mean-field description of α emission

RADIOACTIVITY 242Pu, 266Sg, 264,270Hs, 270Ds, 286,288Fl, 290,292Lv, 294Og(α); calculated α-decay width Hartree-Fock-Bogoliubov (HFB) method with including a residual nucleon-nucleon surface Gaussian interaction (SGI) in order to describe the α-clustering in even-even nuclei. Comparison to experimental values.

NUCLEAR STRUCTURE A=150-250; analyzed experimental data on superfluid even-even α emitters ranging from rare earths to actinides and superheavy nuclei; deduced pairing strength systematics.

doi: 10.1103/PhysRevC.107.024302
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2022DE06      Phys.Rev. C 105, L031301 (2022)

D.S.Delion, S.A.Ghinescu

Two-proton emission systematics

RADIOACTIVITY 6Be, 8C, 10N, 12O, 19Mg, 28Cl, 32K, 45Fe, 48Ni, 52Cu, 54Zn, 57Ga, 67Kr(2p); analyzed available theoretical and experimental data on 2p-decay, Q-values, decay widths, Coulomb parameter, reduced radius, fragmentation potential; deduced correlations between decay parameters, linear correlation between the logarithm of the reduced width and pairing gap, influence of the quadrupole deformation on the decay probability.

doi: 10.1103/PhysRevC.105.L031301
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2022DU04      At.Data Nucl.Data Tables 145, 101501 (2022)

A.Dumitrescu, D.S.Delion

The phenomenology of particle and cluster emission

RADIOACTIVITY 109I, 112,113Cs, 117La, 130,131Eu, 135Tb, 140,141Ho, 144,145,146,147Tm, 150,151Lu, 155,156,157Ta, 159,160,161Re, 165,166,167Ir, 170,171Au, 176,177Tl, 185Bi(p), 106,108Te, 110Xe, 144Nd, 146,148Sm, 148,150,152Gd, 150Dy, 154Dy, 154,156Yb, 156,158Hf, 158,160,162,164W, 162Os, 166,168,170,172Os, 186Os, 166,168,170,172,174,176,178Pt, 190Pt, 172,174,176,178,180,182,184Hg, 180Pb, 186,188Pb, 188,190,192,194,196,198,200,202Po, 206,208,210,212,214,216,218Po, 194,196,198,200,202,204,206,208,210,212,214,216,218,220,222Rn, 202,204,206,208,210,212,214,216,218,220,222,224,226Ra, 210,212,214,216,218,220,222,224,226,228,230,232Th, 218U, 224,226,228,230,232,234,236,238U, 232,234,236,238,240,242,244Pu, 238,240,242,244,246,248Cm, 240,242,244,246,248,250,252Cf, 246,248,250,252,254,256Fm, 252,254,256No, 258Rf, 260Sg, 266Sg, 264,266Hs, 270Hs, 270Ds, 286,288Fl, 290,292Lv, 294Og(α), 222,224,226Ra(14C), 226Th(18O), 228Th(20O), 230Th(24Ne), 230U(22Ne), 232Th(24Ne), 232Th(26Ne), 232U(24Ne), 232,234U(28Mg), 234U(24Ne), (26Ne), 236Pu(28Mg), 238Pu(30Mg), 238Pu(28Mg), 238Pu(30Mg), 240Pu, 242Cm(34Si); analyzed available data; calculated T1/2; deduced impact of centrifugal and deformation effects within the Froman approach.

doi: 10.1016/j.adt.2022.101501
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2022GH06      Phys.Rev. C 106, 034602 (2022)

S.A.Ghinescu, D.S.Delion

Semimicroscopic model of two-proton emission

RADIOACTIVITY 19Mg, 45Fe, 54Zn(2p); calculated potential matrix as function of the hyper-radius, Sommerfeld parameters as function of the hyper-radius, wave function components, decay widths as functions of proton-proton interaction strength, hyper-sphere radius and Q values, partial decay widths. Semimicroscopic model in hyperspherical coordinates for the two-proton emission process, with assumed emission of protons from a paired state, and between the ground states of the parent and daughter nuclei. Relevance to investigation of proton-proton potential inside the nuclear medium as well as far away from it.

doi: 10.1103/PhysRevC.106.034602
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2021DE12      Phys.Rev. C 103, 054325 (2021)

D.S.Delion, A.Dumitrescu

Universal proton emission systematics

RADIOACTIVITY 109I, 112,113Cs, 117La, 130,131Eu, 135Tb, 140,141,141m,144,145,145m,146,146m,147,147mHo, 150,150m,151,151mLu, 155,156,156m,157Ta, 159,160,161,161mRe, 164,165,166,166m,167,167mIr, 170,170m,171,171mAu, 176,177,177mTl, 185Bi; compiled experimental data for J, π, l-transfers, Q values, T1/2, β2 and β4 deformation parameters; analyzed proton systematics in terms of the barrier penetration and formation probability by approximating the realistic proton-core interaction by a parabolic dependence describing the nuclear part, and analytic WKB solutions for the wave functions in the regions of nuclear and Coulomb barriers; deduced nuclear centrifugal and deformation terms as much smaller than the corresponding Coulomb terms, and the Coulomb action one order of magnitude larger than the nuclear action term.

doi: 10.1103/PhysRevC.103.054325
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2021GH08      J.Phys.(London) G48, 105108 (2021)

S.A.Ghinescu, D.S.Delion

Semiclassical propagator approach for emission processes from deformed nuclei

NUCLEAR STRUCTURE 234Th, 238U; calculated realistic alpha-daughter double-folding potential radius, wave functions; deduced α-decay systematics and fine structure, deformation and spectroscopic factors.

doi: 10.1088/1361-6471/ac22f5
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2020BA57      Phys.Rev. C 102, 061301 (2020)

V.V.Baran, D.R.Nichita, D.Negrea, D.S.Delion, N.Sandulescu, P.Schuck

Bridging the quartet and pair pictures of isovector proton-neutron pairing

doi: 10.1103/PhysRevC.102.061301
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2020DE25      Phys.Rev. C 102, 014327 (2020)

D.S.Delion, A.Dumitrescu

Realistic analytical approach for α decay and clustering

RADIOACTIVITY Z=50-82, N=50-82(α); Z=50-82, N=82-126(α); Z=82-100, N=82-126(α); Z=82-100, N>126(α); Z>100, N>126(α); calculated radial parameters versus mass number, Coulomb parameters and fragmentation potentials versus neutron number, reduced widths versus number of α clusters, harmonic oscillator frequencies and length parameters versus mass number, lowest quartet number versus magic asymmetry for even-even and odd-A α emitters. Double folding procedure with parabolic dependence to derive the realistic α-core nuclear interaction between the inner turning point and the Coulomb barrier, and by including in the analysis α-decay experimental data for Q values and widths for 149 even-even α emitters.

doi: 10.1103/PhysRevC.102.014327
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2020GH03      Phys.Rev. C 101, 044304 (2020)

S.A.Ghinescu, D.S.Delion

Coupled-channels analysis of the α decay in strong electromagnetic fields

RADIOACTIVITY 212Po(α); calculated radial components of the Fourier transform, quadrupole deformation of the nuclear barrier, angular distributions of emitted particles and decay widths, α-clustering under the influence of monochromatic strong laser electromagnetic field. Coupled-channel formalism, by analyzing the Fourier components of the time-dependent α-core realistic potential in the Henneberger representation.

doi: 10.1103/PhysRevC.101.044304
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2020PE13      Phys.Rev. C 102, 044317 (2020)

P.Petkov, D.-S.Delion, C.Muller-Gatermann

Collectivity of the 2+1 state in Z ≤ 82 even-even nuclei probed by a ratio involving dynamic and static electromagnetic E2 moments: Evolution of the quadrupole degrees of freedom and a new signature for shape coexistence

NUCLEAR STRUCTURE 16O, 20,22Ne, 24,26Mg, 28Si, 32S, 42Ca, 46,48Ti, 50,52,54Cr, 56,58Fe, 60Ni, 70Zn, 72,74,76Ge, 74,76,78,80,82Se, 96,98,100Mo, 98,100,102,104Ru, 104,106,108,110Pd, 106,108,110,112,114,116Cd, 116Sn, 122,124,126,128,130Te, 134,136,138,142Ba, 144,146,148,150Nd, 148,150,152,154Sm, 154,156,158,160Gd, 164Dy, 166,170Er, 170,172,174,176Yb, 176,178,180Hf, 180,182,184,186W, 184,186,188,190,182Os, 192,194,196,198Pt, 198,200,202Hg, 204Pb; analyzed ratios of experimental and deduced B(E2) values for the first 2+ states in even-even nuclei, the latter from experimental static quadrupole moments for the first 2+ states; deduced collective excitations and sensitivity to shell- and subshell closures, and a new signature for shape coexistence.

doi: 10.1103/PhysRevC.102.044317
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2019BA12      Phys.Rev. C 99, 031303 (2019)

V.V.Baran, D.S.Delion

Analytical approach for the quartet condensation model

doi: 10.1103/PhysRevC.99.031303
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2019BA29      Phys.Rev. C 99, 064311 (2019)

V.V.Baran, D.S.Delion

Unified description of pairing and quarteting correlations within the particle-hole-boson approach

NUCLEAR STRUCTURE 104Te, 108Xe, 112Ba, 116Ce; calculated average level occupation fractions, and correlation energies corresponding to the exact quartet condensation model (QCM) and to the renormalized bosonic quartet condensation model (rbQCM) for nuclei above the 100Sn core. Projected BCS and the quartet condensation model, with new bosonic approximation for pair and quartet condensates, corresponding to the standard pairing and isovector pairing scenarios.

doi: 10.1103/PhysRevC.99.064311
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2019BA38      Phys.Rev. C 100, 034326 (2019)

V.V.Baran, D.S.Delion, S.Dolteanu

Disentangling the pair and quartet condensates

NUCLEAR STRUCTURE 110Te, 112Xe, 118Ba; calculated average neutron and proton level occupations using Bonn A isovector pairing interaction within the QCM and ADC approaches. 108,110,116Te, 112,114Xe, 118Ba, 130Sm; calculated correlation energies, quartet-pair correlation energies with the Bonn interaction. 48,50,56Ti, 52Cr, 58Fe, 70Ge; calculated correlation energies, quartet-pair correlation energies with the KB3G interaction. 108Xe, 112Ba, 116Ce, 120Nd, 124Sm; calculated correlation energies for N=Z systems. Quartet condensate model (QCM) and analytical disentangled condensate model (ADC) model.

doi: 10.1103/PhysRevC.100.034326
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2019DE23      Phys.Rev. C 100, 024331 (2019)

D.S.Delion, A.Dumitrescu, J.Suhonen

Effective axial-vector strength within proton-neutron deformed quasiparticle random-phase approximation

NUCLEAR STRUCTURE N=10-200; A=20-200; 78Ge; analyzed experimental data for Gamow-Teller β transition strengths versus neutron number, ratios of transition amplitudes β--(Fermi) and β++(Fermi) versus mass number, and half-lives of 2β emitters; deduced effective axial-vector strength versus the particle-particle strength in 78Ge, and versus mass number in even-even and odd-odd A=20-200 emitters for β- and β+ transitions using pn-QRPA equations of motion, with projected angular momentum, and a schematic quadrupole-quadrupole residual interaction.

doi: 10.1103/PhysRevC.100.024331
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2018BA05      J.Phys.(London) G45, 035106 (2018)

V.V.Bara, D.S.Delion

Alpha-like resonances in nuclei

NUCLEAR STRUCTURE 100Sn; calculated energy weighted sum rule (EWSR), dipole oscillations in a system of protons, neutrons and α-particles within the Brink approach.

doi: 10.1088/1361-6471/aa98c7
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2018DE15      J.Phys.(London) G45, 053001 (2018)

D.S.Delion, Z.Ren, A.Dumitrescu, D.Ni

Coupled channels description of the α-decay fine structure

RADIOACTIVITY 246Cf, 242Cm, 253Fm, 251Cf(α); calculated branching ratios, J, π, deformation parameters. Comparison with available data.

doi: 10.1088/1361-6471/aaac52
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2018DE21      Phys.Rev. C 97, 064303 (2018)

D.S.Delion, A.Dumitrescu, V.V.Baran

Theoretical investigation of α-like quasimolecules in heavy nuclei

NUCLEAR STRUCTURE 144Nd; calculated vibrational resonant states and rotational bands built on them in the α+140Ce molecular potential. Z>50, N=50-155; calculated monopole length parameter of g.s. channel, spectroscopic factors and absorption energy-integrated cross section of 162 even-even α emitters. Discussed experimental methods for determining α-like quasimolecular structure in heavy nuclei.

doi: 10.1103/PhysRevC.97.064303
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2017DE09      Phys.Rev. C 95, 034330 (2017)

D.S.Delion, J.Suhonen

Two-neutrino ββ decays and low-lying Gamow-Teller β- strength functions in the mass range A=70-176

RADIOACTIVITY 70Zn, 76Ge, 80,82Se, 86Kr, 94,96Zr, 100Mo, 104Ru, 110Pd, 128,130Te, 134,136Xe, 142Ce, 148,150Nd, 154Sm, 160Gd, 176Yb(2β-); calculated 2νββ decay half-lives, and Gamow-Teller strengths up to 6 MeV excitation energy summed in bins of 0.5 MeV. Comparison with available experimental data and other theoretical calculations. Proton-neutron deformed quasiparticle random-phase approximation (pn-dQRPA) calculations.

doi: 10.1103/PhysRevC.95.034330
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2017DE33      Phys.Rev.Lett. 119, 202501 (2017)

D.S.Delion, S.A.Ghinescu

Geiger-Nuttall Law for Nuclei in Strong Electromagnetic Fields

NUCLEAR STRUCTURE 232Pu; calculated logarithm of penetrability for various quadrupole deformations.

doi: 10.1103/PhysRevLett.119.202501
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2016BA45      Phys.Rev. C 94, 034319 (2016)

V.V.Baran, D.S.Delion

Proton-neutron versus α-like correlations above 100Sn

NUCLEAR STRUCTURE Z=52, N=52; Z=54, N=54; Z=56, N=56; Z=58, N=58; calculated neutron densities by BCS calculations and by diagonalization, α-formation amplitude in the pn-BCS approach. Z=52, 54, 88; calculated strength of α-clustering additional part of the mean-field potential versus the reduced width. Discussed α-like dipole pigmy resonance in the region above 100Sn.

doi: 10.1103/PhysRevC.94.034319
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2016DE11      Phys.Rev. C 93, 044321 (2016)

D.S.Delion, A.Dumitrescu, V.V.Baran

Even-odd staggering of the spectroscopic factor as new evidence for α clustering

NUCLEAR STRUCTURE N=80-160, Z=70-100; calculated α spectroscopic factors for even Z nuclides of Ra, Th, U, Pu, Cm, Cf and Fm, and odd Z nuclides of Au, Bi, At, Fr, Ac, Pa, ratios between experimental and BCS spectroscopic factors, QQ coupling strength versus reduced width; deduced even-odd staggering in α spectroscopic factors, α clustering. Standard Bardeen-Cooper-Schrieffer (BCS) approach.

doi: 10.1103/PhysRevC.93.044321
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2016DE19      J.Phys.(London) G43, 095109 (2016)

D.S.Delion, M.Patial, R.J.Liotta, R.Wyss

A simple approach to α-decay fine structure

NUCLEAR STRUCTURE N=80-170; calculated hindrance and spectroscopic factors, partial α-decay widths. Standard spherical semiclassical approach where the action integrals have close analytical forms.

doi: 10.1088/0954-3899/43/9/095109
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2016DU03      Phys.Rev. C 93, 024313 (2016)

A.Dumitrescu, D.S.Delion

Description of electromagnetic and favored α transitions in heavy odd-mass nuclei

NUCLEAR STRUCTURE 225Ra, 223,225Ac, 229,231Th, 231,233Pa, 237U, 235,237,239Np, 239,241Pu, 241,243,245Am, 243,245,249Cm, 241,247,249,251Bk, 247,251,253Cf; calculated levels, J, π, bands, B(E2) using particle coupled to coherent state core model. Comparison with experimental values.

RADIOACTIVITY 225Ra, 223,225Ac, 229,231Th, 231,233Pa, 237U, 235,237,239Np, 239,241Pu, 241,243,245Am, 243,245,249Cm, 241,247,249,251Bk, 247,251,253Cf(α); calculated half-lives and fine structure of favored α-transitions to first three members of rotational bands using coupled channels method and QQ interaction. Comparison with experimental values.

doi: 10.1103/PhysRevC.93.024313
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2015BA22      Rom.J.Phys. 60, 722 (2015)

V.V.Baran, D.S.Delion

Pairing Coherence Length in Nuclei

NUCLEAR STRUCTURE 52Fe, 48Cr, 220Ra; calculated paring gap versus sp energy, proton coherence length. HF+BCS formalism.


2015DE02      Phys.Rev. C 91, 024312 (2015)

D.S.Delion, V.V.Baran

Pairing versus quarteting coherence length

NUCLEAR STRUCTURE 48Cr, 220Ra; calculated pairing, and quartet coherence lengths between proton and neutron pairs in the spin-singlet channel using effective density-dependent delta (DDD) and Gaussian interactions, by considering bound states and narrow resonances. Evidence for the role of proton-neutron correlations by estimating α coherence length.

doi: 10.1103/PhysRevC.91.024312
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2015DE15      Phys.Rev. C 91, 054329 (2015)

D.S.Delion, J.Suhonen

Double-β decay within a consistent deformed approach

RADIOACTIVITY 150Nd(2β-); calculated B(GT) strength versus excitation energy in the intermediate nucleus 150Pm, Gamow-Teller 2νββ matrix element. 82Se, 96Zr, 100Mo, 128,130Te, 150Nd, 238U(2β-); calculated half-lives. Calculations based on proton-neutron deformed quasiparticle random-phase approximation (pn-dQRPA). Comparison with experimental data.

doi: 10.1103/PhysRevC.91.054329
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2015DE25      Phys.Rev. C 92, 021303 (2015)

D.S.Delion, A.Dumitrescu

Systematics of α-decay transitions to excited states

doi: 10.1103/PhysRevC.92.021303
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2015DE27      Rom.J.Phys. 60, 993 (2015)

D.S.Delion, V.V.Baran

Systematics of the Pairing Coherence Length

NUCLEAR STRUCTURE 48Cr; analyzed available data; calculated resonance energies and widths, pairing gap, proton coherence length, strength parameters. Comparison with available data.


2015DE35      Phys.Rev. C 92, 051301 (2015)

D.S.Delion, R.J.Liotta, R.Wyss

Exact estimate of the α-decay rate and semiclassical approach in deformed nuclei

RADIOACTIVITY 230U, 236Pu, 244Cm(α); calculated fragmentation potential, partial decay widths and total half-life in the laboratory system and from "angular momentum WKB" approach. New semiclassical "angular momentum WKB" procedure to evaluate the total α-decay widths in deformed nuclei.

doi: 10.1103/PhysRevC.92.051301
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2015DU08      Rom.J.Phys. 60, 767 (2015)

A.Dumitrescu, D.S.Delion

Coherent State Description of the α-Emission Spectrum


2014DE29      Europhys.Lett. 107, 52001 (2014)

D.S.Delion, J.Suhonen

Effective axial-vector strength and β-decay systematics

RADIOACTIVITY 70Ga, 78Br, 100Tc, 104Rh, 106,110Ag, 116In, 128I, 130Cs(β-), (EC); calculated Gamow-Teller decay rates, matrix elements, T1/2. Proton-neutron quasiparticle random-phase approximation (pnQRPA), comparison with experimental data.

doi: 10.1209/0295-5075/107/52001
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2014DE43      At.Data Nucl.Data Tables 101, 1 (2014)

D.S.Delion, A.Dumitrescu

Systematics of the α-decay fine structure in even-even nuclei

RADIOACTIVITY 154Er, 156,158Yb, 158,160,162,164Hf, 164,166,168,170W, 164,166,168,170,172,174,176,178,180,182Os, 168,170,172,174,176,178,180,182,184Pt, 176,178,180,182,184,186,188,190Hg, 206,208Pb, 214Pb, 192,194,196,198,200Po, 202Po, 208Po, 198,200Rn, 206Rn, 216,218,220,222Rn, 208Ra, 218,220,222,224,226,228Ra, 220,222,224,226,228,230,232,234Th, 226,228,230,232,234,236,238,240U, 234,236,238,240,242,244Pu, 236,238,240,242,244,246,248Cm, 242,244,246,248,250,252Cf, 248,250,252Fm, 252,254No, 256Rf, 262Rf, 260,262Sg, 266Sg, 266Hs, 280Ds, 284Cn, 288Fl, 290Lv(α);calculated energy levels, J, π, deformation parameters, B(E2), T1/2. Comparison with available data, Coherent State Model (CSM).

doi: 10.1016/j.adt.2014.09.001
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2014DE48      Phys.Rev. C 90, 061303 (2014)

D.S.Delion, R.J.Liotta, C.Qi, R.Wyss

Probing shape coexistence by α decays to 0+ states

RADIOACTIVITY 180,182,184Hg, 202Rn(α); analyzed fine structure of α decays to first excited 0+ states, hindrance factors, spectroscopic factors. Shape coexistence. Two-level model using microscopic description of the α-particle formation amplitude.

doi: 10.1103/PhysRevC.90.061303
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2013DE05      Phys.Rev. C 87, 024309 (2013)

D.S.Delion, J.Suhonen

Unified description of 21+ states within the deformed quasiparticle random-phase approximation

NUCLEAR STRUCTURE 130Te, 240Pu; calculated energy-weighted strength functions S(E) for spherical and vibrational nucleus. Z=50-100; calculated B(E2) for first 2+ states, 2+ level energies. deformed quasiparticle random phase approximation (dQRPA) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.024309
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2013DE08      Phys.Rev. C 87, 034328 (2013)

D.S.Delion, R.J.Liotta, R.Wyss

Simple approach to two-proton emission

RADIOACTIVITY 45Fe, 48Ni(2p); calculated two-proton radial wave function, proton pairing gap, two-proton decay width, T1/2. Scattering theory with a realistic proton-proton interaction, BCS equations.

doi: 10.1103/PhysRevC.87.034328
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2013DE11      Phys.Rev. C 87, 041302 (2013)

D.S.Delion, R.J.Liotta

Shell-model representation to describe α emission

RADIOACTIVITY Z<82, N=82-126(α); Z>82, N=82-126(α); Z>82, N>126(α); calculated proton clustering strength, reduced α widths, Qα-Coulomb barrier for even-even nuclei. 220Rn(α); calculated proton and neutron pairing formation probabilities, decay width and compared with experimental data. Woods-Saxon mean field plus spin-orbit potential of shell model, with an additional attractive Gaussian pocket potential.

doi: 10.1103/PhysRevC.87.041302
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2013DE12      Phys.Rev. C 87, 044314 (2013)

D.S.Delion, A.Dumitrescu

Unified description of electromagnetic and α transitions in even-even nuclei

RADIOACTIVITY 172,174Os, 176,178,180Pt, 196,198,216,218Po, 216,218,220,222Rn, 218,220,222,224Ra, 222,224,226,228,230,232,234Th, 230,232,234,236,238U, 236,238,240,242,244Pu, 242,244,246,248Cm, 248,250Cf(α); calculated β2 and d deformation parameters, CSM parameter A1, α-core QQ coupling parameter C, Iα to 2+, 4+ and 6+ states in daughter nuclei, rigidity parameter, E4/E2 and E6/E4 ratios, effective charge, hindrance factors using the coherent state model (CSM). Comparison with experimental data.

doi: 10.1103/PhysRevC.87.044314
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2013DE35      Rom.J.Phys. 58, 1167 (2013)

D.S.Delion, A.Dumitrescu

Coherent State Description of α-Transitions to Excited States in Even-Even Nuclei

NUCLEAR STRUCTURE N=126; calculated alpha-branching ratios to 2+ states, deformation parameters. Coherent state model.


2013IX01      Rom.J.Phys. 58, 1396 (2013)

L.Gr.Ixaru, D.S.Delion

Two-Proton Emission: A Numerical Approach


2013JE05      Phys.Rev. C 88, 044004 (2013)

M.Jemai, D.S.Delion, P.Schuck

Self-consistent random-phase approximation from a coupled-cluster wave function perspective

doi: 10.1103/PhysRevC.88.044004
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2013MA66      Phys.Rev. C 88, 044301 (2013)

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

NUCLEAR REACTIONS 186W(7Li, pα), E=35 MeV; measured Eγ, γγ-coin, T1/2 of first 2+ state by γγ(t) at IFIN-HH, Bucharest facility. 188W; deduced level, B(E2) for first 2+ state, enhanced γ softness in 188W. Systematics of energies of low-lying 0+, 2+ and 4+ states and B(E2) values for first 2+ states in even-even Hf, W, Os and Pt nuclei with N=102-120.

NUCLEAR STRUCTURE 184,186,188,190,192,194W; calculated Woods-Saxon potential energy surface (PES) contours in (β, γ) plane; deduced prolate to oblate shape transition.

doi: 10.1103/PhysRevC.88.044301
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2013MA74      Phys.Rev. C 88, 044301 (2013)

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

doi: 10.1103/PhysRevC.88.044301
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2013RO07      Acta Phys.Pol. B44, 403 (2013)

O.J.Roberts, A.M.Bruce, F.Browne, N.Marginean, T.Alexander, T.Alharbi, D.Bucurescu, D.Deleanu, D.Delion, D.Filipescu, L.Fraile, I.Gheorghe, D.Ghita, T.Glodariu, D.Ivanova, S.Kisyov, R.Marginean, P.J.R.Mason, C.Mihai, K.Mulholland, A.Negret, C.Nita, B.Olaizola, S.Pascu, P.-A.Soderstrom, P.H.Regan, T.Sava, L.Stroe, S.Toma, C.Townsley

Half-life Measurements of Excited States in 132Te, 134Xe

NUCLEAR REACTIONS 130Te(7Li, X)132Te/134Xe, E=31.5 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, B(E2). Comparison with systematics.

doi: 10.5506/APhysPolB.44.403
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2013SA05      Europhys.Lett. 101, 62001 (2013)

A.Sandulescu, M.Mirea, D.S.Delion

Microscopic description of the alpha-decay of a superheavy element

RADIOACTIVITY 296Lv(α) [from 248Cm(48Ca, X)296Lv, E not given]; calculated T1/2, Q-value. Woods-Saxon potential, comparison with available data.

doi: 10.1209/0295-5075/101/62001
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2012DE04      Rom.J.Phys. 57, 149 (2012)

D.S.Delion

Decay Theory Beyond the Gamow Picture

RADIOACTIVITY 210,212Po(α); calculated B(E2), α formation probability, reduced widths.


2012DE10      Phys.Rev. C 85, 064306 (2012)

D.S.Delion, R.J.Liotta, P.Schuck, A.Astier, M.-G.Porquet

Shell model plus cluster description of negative parity states in 212Po

NUCLEAR STRUCTURE 212Po; calculated negative-parity levels, J, π, B(E1), B(E2), octupole TDA amplitudes, α-decay widths. 208,210Pb, 210Po; calculated interaction energies, B(E2). Shell-model with α cluster approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.064306
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2012MI17      Eur.Phys.J. A 48, 86 (2012)

M.Mirea, A.Sandulescu, D.S.Delion

238Pu cluster decay in the macroscopic-microscopic approach

RADIOACTIVITY 238Pu(32Si); calculated deformation evolution, fission, neutron, proton levels, J, π, T1/2. Half life compared with experiment.

doi: 10.1140/epja/i2012-12086-5
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2012QI03      Phys.Rev. C 85, 011303 (2012)

C.Qi, D.S.Delion, R.J.Liotta, R.Wyss

Effects of formation properties in one-proton radioactivity

RADIOACTIVITY 109I, 112,113Cs, 117La, 121Pr, 130,131Eu, 135Tb, 140,141,141mHo, 144,145,146,146m,147,147mTm, 150,150m,151,151mLu, 155,156,156m,157Ta, 159m,160,161,161mRe, 164,165m,166,166m,167,167mIr, 170,170m,171,171mAu, 176,177,177mTl, 185Bi(p); calculated T1/2, proton formation probabilities. Fitting parameter from microscopic description of the decay process. Deformation property of the parent nucleus. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.011303
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2011AS06      Int.J.Mod.Phys. E20, 785 (2011)

A.Astier, P.Petkov, M.-G.Porquet, D.S.Delion, P.Schuck

Pure α-208Pb states in 212Po revealed by their enhanced E1 decays, A novel α clustering

NUCLEAR REACTIONS 208Pb(18O, 14C)212Po, E=85 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced energies, states, J, π, yrast states, B(E1), α-208Pb states.

doi: 10.1142/S0218301311018678
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2011AS09      J.Phys.:Conf.Ser. 312, 092014 (2011)

A.Astier, P.Petkov, M.-G.Porquet, D.S.Delion, P.Schuck

A novel manifestation of α clustering in 212Po: Pure α-208Pb states revealed by their enhanced E1 decays

NUCLEAR REACTIONS 208Pb(18O, 14C), E=85 MeV; measured Eγ, Iγ(θ), γγ-coin using Eurobal array of Ge crystals. 212Po deduced γ yrast transitions angular distribution, T1/2 using Doppler shift, B(E1), α-core.

doi: 10.1088/1742-6596/312/9/092014
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2011MI16      Nucl.Phys. A870-871, 23 (2011)

M.Mirea, A.Sandulescu, D.S.Delion

Predictions for 232U cluster-decays within the macroscopic-microscopic approximation

RADIOACTIVITY 232U(SF); calculated energy surface, fission trajectory, mass asymmetry, Nilsson levels, T1/2 for the 24Ne cluster emission.

doi: 10.1016/j.nuclphysa.2011.09.007
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2010AS01      Phys.Rev.Lett. 104, 042701 (2010)

A.Astier, P.Petkov, M.-G.Porquet, D.S.Delion, P.Schuck

Novel Manifestation of α-Clustering Structures: New "α+ 208Pb" States in 212Po Revealed by Their Enhanced E1 Decays

NUCLEAR REACTIONS 208Pb(18O, 14C), E=85 MeV; measured Eγ, Iγ; deduced 212Po level scheme, yrast state, lifetimes, B(E1). Doppler-shift attenuation method.

doi: 10.1103/PhysRevLett.104.042701
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2010AS03      Eur.Phys.J. A 46, 165 (2010)

A.Astier, P.Petkov, M.-G.Porquet, D.S.Delion, P.Schuck

Coexistence of "a + 208Pb" cluster structures and single-particle excitations in 21284Po128

NUCLEAR REACTIONS 208Pb(18O, 14C), E=85 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin. 212Po; deduced level scheme, transition energies, γ-ray intensities, J, π, angular-distribution coefficients, internal conversion coefficients, yrast states, lifetimes, B(E1), B(E2), B(E3). EUROBALL project, DSAM method, comparison with low-lying cluster structure models.

RADIOACTIVITY 212Po(α); measured decay products, Eγ, Iγ, alpha spectrum; deduced branching ratios, partial T1/2 for yrast states.

doi: 10.1140/epja/i2010-11053-6
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2010DE27      Phys.Rev. C 82, 024307 (2010)

D.S.Delion, R.Wyss, R.J.Liotta, B.Cederwall, A.Johnson, M.Sandzelius

Investigations of proton-neutron correlations close to the drip line

NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126Sn, 106,108,110,112,114,116,118,120,122,124,126,128Te, 108,110,112,114,116,118,120,122,124,126,128,130Xe, 210,212,214Pb, 210,212,214,216,218Po, 212,214,216,218,220,222Rn, 214,216,218,220,222,224,226Ra; calculated lowest QRPA 2+ eigenvalues, B(E2), proton-neutron coupling strength, proton-neutron pairing gap, proton pairing gap, and neutron pairing gap using proton-neutron pairing plus quadrupole Hamiltonian approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.024307
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2010DE33      Phys.Rev. C 82, 031302 (2010)

D.S.Delion, N.V.Zamfir

Systematics of 2+1 states in semimagic nuclei

NUCLEAR STRUCTURE Z=28, 50, 82; N=28, 50, 82, 126; calculated energies and B(E2) for the first 2+ states in even-even semi-magic nuclei using two-level pairing plus quadrupole Hamiltonian, within the spherical quasiparticle random phase approximation (QRPA).

doi: 10.1103/PhysRevC.82.031302
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2010KO01      J.Phys.(London) G37, 015101 (2010)

J.Kotila, J.Suhonen, D.S.Delion

Description of the two-neutrino ββ decay of 100Mo by pnMAVA

NUCLEAR STRUCTURE 100Mo; calculated Gamow-Teller strength functions, nuclear matrix elements for two-neutrino 2β-decay, T1/2. Microscopic anharmonic vibrator approach (MAVA), comparison with available data.

doi: 10.1088/0954-3899/37/1/015101
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2010MI07      Phys.Rev. C 81, 044317 (2010)

M.Mirea, D.S.Delion, A.Sandulescu

Microscopic cold fission yields of 252Cf

RADIOACTIVITY 252Cf(SF); calculated deformation energy, fission barrier, cold-fission yields in the framework of two-center shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.044317
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2010MI09      Rom.J.Phys. 55, 309 (2010)

M.Mirea, D.S.Delion, A.Sandulescu

Microscopic description of 252Cf cold fission yields

NUCLEAR STRUCTURE 252Cf; calculated fission yields, potential and deformation energies, fission barriers. Two center shell model.


2009DE24      Rom.J.Phys. 54, 587 (2009)

D.S.Delion, M.Boscoianu

Reduced Width in Cluster Emission Processes


2009DE26      Phys.Rev. C 80, 024310 (2009)

D.S.Delion

Universal decay rule for reduced widths

RADIOACTIVITY Z<82, N=50-126(α); Z>82, N>82(α); Z>68(p)(2p); Z<68(p), (2p); calculated half-lives, reduced widths and hindrance factors for α decays of even-even nuclides, cluster decay, proton, and di-proton emissions using shifted harmonic oscillator plus Coulomb cluster-daughter interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.024310
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2009MI03      Europhys.Lett. 85, 12001 (2009)

M.Mirea, D.S.Delion, A.Sandulescu

Cold valleys for fission/fusion superheavy elements beyond Z = 118

doi: 10.1209/0295-5075/85/12001
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2008DE34      Rom.J.Phys. 53, 1089 (2008)

D.S.Delion

α-clustering in Nuclei


2008DE37      Int.J.Mod.Phys. E17, 2283 (2008)

D.S.Delion

Alpha-decay versus alpha-clustering

doi: 10.1142/S0218301308011483
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2008PE25      Phys.Rev. C 78, 034608 (2008)

S.Peltonen, D.S.Delion, J.Suhonen

α-decay spectroscopy of deformed nuclei reexamined

NUCLEAR STRUCTURE Z=74-104, A=168-256; calculated α-decay half-lives, hindrance factors, spectroscopic factors for deformed even-even nuclei.

doi: 10.1103/PhysRevC.78.034608
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2007DE01      Nucl.Phys. A781, 88 (2007)

D.S.Delion, J.Suhonen

Microscopic anharmonic vibrator approach for beta decays

RADIOACTIVITY 106,108Ag(β+); 106,108Rh(β-); calculated matrix elements for β transitions to one- and two-phonon states. Microscopic anharmonic vibrator approach.

doi: 10.1016/j.nuclphysa.2006.10.079
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2007DE42      Rom.J.Phys. 52, 43 (2007)

D.S.Delion, A.Sandulescu

Synthesis of superheavy nuclei along cold fission paths

NUCLEAR STRUCTURE Z > 117; calculated fission yields using a semiclassical approach. Analyzed best projectile target combinations for production of superheavy nuclei.


2007DE53      Phys.Rev. C 76, 044301 (2007)

D.S.Delion, R.J.Liotta, R.Wyss

α decay of high-spin isomers in superheavy nuclei

RADIOACTIVITY 250,252,254,256,258Fm, 252,254,256,258,260No, 258,260,262,264,266,268,270,272Rf, 258,260,262,264,266,268,270,272Sg, 262,264,266,268,270,272Hs, 264,266,268,270,272,274Ds, 280,282,284,286,288Cn, 282,284,286,288,290Fl, 284,286,288,290,292Lv, 286,288,290,292,294Og, 288,290,292,294,296120(α); calculated α-decay hindrance factors, deformation parameters, spectroscopic factors for low- and high-spin states.

doi: 10.1103/PhysRevC.76.044301
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2007DE57      Rom.J.Phys. 52, 771 (2007)

D.S.Delion

Acad. Aureliu Sandulescu's Contribution to Physics: from Magic Radioactivity to Superheavy Nuclei


2007PE12      Phys.Rev. C 75, 054301 (2007)

S.Peltonen, D.S.Delion, J.Suhonen

Folding description of the fine structure of α decay to 2+ vibrational and transitional states

NUCLEAR STRUCTURE A=166-222; calculated fine structure, hindrance and spectroscopic factors for α-decay to ground and 2+ vibrational states in even-even nuclei using a coupled channel formalism.

doi: 10.1103/PhysRevC.75.054301
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2006DE04      Phys.Rep. 424, 113 (2006)

D.S.Delion, R.J.Liotta, R.Wyss

Theories of proton emission

doi: 10.1016/j.physrep.2005.11.001
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2006DE05      Phys.Rev. C 73, 014315 (2006)

D.S.Delion, S.Peltonen, J.Suhonen

Systematics of the α-decay to rotational states

RADIOACTIVITY 226,228,230,232,234Th, 230,232,234,236,238U, 236,238,240,242,244Pu, 242,244,246,248Cm, 248,250Cf(α); analyzed T1/2, decay widths for α-decay to rotational states; deduced parameters. Stationary coupled channels approach.

doi: 10.1103/PhysRevC.73.014315
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2006DE07      Phys.Rev.Lett. 96, 072501 (2006)

D.S.Delion, R.J.Liotta, R.Wyss

Systematics of Proton Emission

RADIOACTIVITY 105Sb, 109I, 112,113Cs, 117La, 121Pr, 130,131Eu, 135Tb, 140,141Ho, 145,146,147Tm, 150,151Lu, 155,156,157Ta, 160,161Re, 164,165,167Ir, 171Au, 177Tl, 185Bi(p); analyzed proton decay T1/2, Q; deduced systematic trends.

doi: 10.1103/PhysRevLett.96.072501
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2006KO01      Nucl.Phys. A765, 354 (2006)

J.Kotila, J.Suhonen, D.S.Delion

Study of the low-lying collective states in 94-100Mo isotopes using the MAVA

NUCLEAR STRUCTURE 94,96,98,100Mo; calculated two-phonon states energies, configurations, transitions B(E2). Microscopic anharmonic vibrator approach, comparison with data.

doi: 10.1016/j.nuclphysa.2005.11.009
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2006KO21      Czech.J.Phys. 56, 473 (2006)

J.Kotila, J.Suhonen, D.S.Delion

Study of low-lying collective states using a Microscopic Anharmonic Vibrator Approach

NUCLEAR STRUCTURE 98,100,102,104,106Ru; calculated two-phonon states energies, B(E2) ratios. Microscopic anharmonic vibrator approach.

doi: 10.1007/s10582-006-0111-9
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2005DE61      Phys.Rev. C 72, 064305 (2005)

D.S.Delion, P.Schuck, J.Dukelsky

Self-consistent random phase approximation and the restoration of symmetries within the three-level Lipkin model

doi: 10.1103/PhysRevC.72.064305
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2005DE63      Rom.J.Phys. 50, 165 (2005)

D.S.Delion, A.Sandulescu, W.Greiner

Towards a selfconsistent cluster emission theory

NUCLEAR STRUCTURE Z=84-112; analyzed α-decay widths; deduced α-clusterization effects.


2005PE08      Phys.Rev. C 71, 044315 (2005)

S.Peltonen, D.S.Delion, J.Suhonen

Systematics of the α decay to vibrational 2+ states

RADIOACTIVITY 144Nd, 146,148Sm, 148,150Gd, 150Dy, 152,154Er, 154,156,158Yb, 156,158,160,162Hf, 162,164,166W, 166,168,170,172Os, 172,174,176Pt, 194,196,200,202,204,206,212,214,216,218Po, 202,204,206,208,214,216,218,220Rn, 208,210,216,218Ra, 218,220Th(α); calculated hindrance factors for decay to 2+ states, daughter nucleus transition B(E2). Quasiparticle RPA, comparisons with data.

doi: 10.1103/PhysRevC.71.044315
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2004DE18      Phys.Rev. C 69, 044318 (2004)

D.S.Delion, A.Sandulescu, W.Greiner

Evidence for α clustering in heavy and superheavy nuclei

NUCLEAR STRUCTURE Z=90-118; analyzed α-decay data; deduced α clustering effects.

doi: 10.1103/PhysRevC.69.044318
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2004DE54      Phys.Rev. C 70, 061301 (2004)

D.S.Delion, R.Wyss, D.Karlgren, R.J.Liotta

Proton emission from triaxial nuclei

RADIOACTIVITY 161Re, 185Bi(p); calculated proton emission T1/2, angular distribution, sensitivity to triaxial deformation.

doi: 10.1103/PhysRevC.70.061301
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2003DE02      J.Phys.(London) G29, 317 (2003)

D.S.Delion, A.Sandulescu, W.Greiner

Anisotropy in the ternary cold fission

RADIOACTIVITY 252Cf(SF); calculated potentials and fragment angular distributions, deformation effects, related features for specific ternary cold fission channels. Stationary scattering formalism.

doi: 10.1088/0954-3899/29/2/309
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2003DE08      Phys.Rev. C 67, 034301 (2003)

D.S.Delion, J.Suhonen

Microscopic description of low-lying two-phonon states: Electromagnetic transitions

NUCLEAR STRUCTURE 106,108Pd; calculated multiphonon states energies, J, π, B(E2). Quasiparticle RPA, comparison with data.

doi: 10.1103/PhysRevC.67.034301
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2003DE17      Phys.Rev. C 67, 054317 (2003)

D.S.Delion, A.Insolia, R.J.Liotta

Anisotropic α decay in Am, Es, and Fm isotopes

RADIOACTIVITY 241,243Am, 253,255Es, 255,257Fm(α); calculated α-decay anisotropy. Microscopic approach.

doi: 10.1103/PhysRevC.67.054317
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2003DE31      Phys.Rev. C 68, 041303 (2003)

D.S.Delion, A.Sandulescu, W.Greiner

Probing mean field of neutron rich nuclei by cold fission

RADIOACTIVITY 252Cf(SF); calculated cold fission fragment yields, sensitivity to fragments density distributions.

doi: 10.1103/PhysRevC.68.041303
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2003DE35      Phys.Rev. C 68, 054603 (2003)

D.S.Delion, R.J.Liotta, R.Wyss

High-spin proton emitters in odd-odd nuclei and shape changes

RADIOACTIVITY 58Cu(p); calculated T1/2; deduced hindrance due to change in deformation, other structure effects.

doi: 10.1103/PhysRevC.68.054603
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2003DE42      Acta Phys.Hung.N.S. 18, 403 (2003)

D.S.Delion, A.Sandulescu, W.Greiner

Angular Distribution in Ternary Cold Fission

RADIOACTIVITY 252Cf(SF); calculated ternary fission associated light charged particles energy and angular distributions.

doi: 10.1556/APH.18.2003.2-4.49
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2003KO36      Phys.Rev. C 68, 014307 (2003)

J.Kotila, J.Suhonen, D.S.Delion

Microscopic calculation of the electric decay properties of low-energy vibrational states in even 110-120Cd isotopes

NUCLEAR STRUCTURE 110,112,114,116,118,120Cd; calculated two-phonon states energies, configurations, transitions B(E2). Microscopic formalism, comparison with data.

doi: 10.1103/PhysRevC.68.014307
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2003KO70      Phys.Rev. C 68, 054322 (2003)

J.Kotila, J.Suhonen, D.S.Delion

Low-lying collective states in 98-106Ru isotopes studied using a microscopic anharmonic vibrator approach

NUCLEAR STRUCTURE 98,100,102,104,106Ru; calculated levels, J, π, collective states features. Microscopic anharmonic vibrator approach, comparisons with data.

doi: 10.1103/PhysRevC.68.054322
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2002DE09      J.Phys.(London) G28, 289 (2002)

D.S.Delion, A.Sandulescu, S.Misicu, F.Carstoiu, W.Greiner

Double Fine Structure in Binary Cold Fission

RADIOACTIVITY 252Cf(SF); calculated nuclear potential, wave functions, resonance decay widths, yields. 104Mo, 148Ba calculated yields as a function of excited state angular momentum. Stationary scattering theory. Comparison with data.

doi: 10.1088/0954-3899/28/2/308
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2002DE20      J.Phys.(London) G28, 617 (2002)

D.S.Delion, A.Sandulescu

Towards a Self-Consistent Microscopic α-Decay Theory

NUCLEAR STRUCTURE Os, Pt, Hg; calculated α-decay Q-values, cluster formation features, role of proton-neutron asymmetry.


2002DE23      Yad.Fiz. 65, 653 (2002); Phys.Atomic Nuclei 65, 621 (2002)

D.S.Delion, J.Suhonen

Influence of a Continuum on Cluster-Decay Processes

NUCLEAR STRUCTURE 212Po; calculated α-like levels, J, π, continuum effects in α-decay. Microscopic approach.

doi: 10.1134/1.1471262
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2002DE24      Yad.Fiz. 65, 685 (2002); Phys.Atomic Nuclei 65, 653 (2002)

D.S.Delion, A.Insolia, R.J.Liotta

Anisotropic α Decay

RADIOACTIVITY 241Am, 199,201,203,205,207,209,211,217At, 221Fr, 227,229Pa(α); calculated α-decay anisotropy, deformation effects. Microscopic approach.

doi: 10.1134/1.1471268
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2002DE53      J.Phys.(London) G28, 2921 (2002)

D.S.Delion, A.Sandulescu, W.Greiner

Self-consistent description of the ternary cold fission: tri-rotor mode

RADIOACTIVITY 252Cf(SF); calculated ternary fission fragments energies, angular distributions; deduced tri-rotor mode. Stationary scattering formalism.

doi: 10.1088/0954-3899/28/12/303
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2001DE08      Phys.Rev. C63, 044312 (2001)

D.S.Delion, A.Florescu, A.Sandulescu

Microscopic Description of the Cold α and 10Be Ternary Fission Yields of 252Cf in Spheroidal Coordinates

RADIOACTIVITY 252Cf(SF); calculated fragment dynamics, yields for cold ternary fission. Spheroidal coordinate system.

doi: 10.1103/PhysRevC.63.044312
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2001DE21      Phys.Rev. C63, 061306 (2001)

D.S.Delion, J.Suhonen

Microscopic Description of α + 40Ca Quasimolecular Resonances

NUCLEAR STRUCTURE 44Ti; calculated α-like resonance features. Multistep microscopic approach, comparison with data.

doi: 10.1103/PhysRevC.63.061306
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2001DE38      Phys.Rev. C64, 041303 (2001)

D.S.Delion, A.Sandulescu, S.Misicu, F.Carstoiu, W.Greiner

Quasimolecular Resonances in the Binary Cold Fission of 252Cf

RADIOACTIVITY 252Cf(SF); calculated decay widths, fragments angular momentum distributions following cold binary fission. Quasimolecular resonant state.

doi: 10.1103/PhysRevC.64.041303
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2001DE47      Phys.Rev. C64, 064302 (2001)

D.S.Delion, J.Suhonen

Microscopic Description of the α-Decay Fine Structure in Spherical Nuclei

RADIOACTIVITY 198,200,202,204Rn(α); calculated hindrance factors. Microscopic approach, quasiparticle RPA.

doi: 10.1103/PhysRevC.64.064302
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2000DE04      Phys.Rev. C61, 024304 (2000)

D.S.Delion, J.Suhonen

Microscopic Description of α-like Resonances

NUCLEAR STRUCTURE 210Po, 210Pb, 210Bi; calculated two-particle states excitation energies, configurations. 212Po; calculated α-like resonances energy, J, π.

doi: 10.1103/PhysRevC.61.024304
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2000DE47      Phys.Rev. C62, 044311 (2000)

D.S.Delion, J.Dukelsky, P.Schuck, E.J.V.de Passos, F.Krmpotic

Proton-Neutron Self-Consistent Quasiparticle Random Phase Approximation within the O(5) Model

doi: 10.1103/PhysRevC.62.044311
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2000FL05      Phys.Rev. C61, 051602 (2000)

A.Florescu, A.Sandulescu, D.S.Delion, J.H.Hamilton, A.V.Ramayya, W.Greiner

Preformation Probabilities for Light Ternary Particles in the Cold (Neutronless) Fission of 252Cf

RADIOACTIVITY 252Cf(SF); calculated light ternary particles preformation amplitudes in cold fission, geometric features.

doi: 10.1103/PhysRevC.61.051602
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