NSR Query Results
Output year order : Descending NSR database version of May 9, 2024. Search: Author = A.I.Budaca Found 23 matches. 2024BU04 Nuovo Cim. C 47, 25 (2024) R.Budaca, P.Buganu, A.I.Budaca Axial quadrupole and octupole dynamics in heavy even-even nuclei NUCLEAR STRUCTURE 224,226,228Ra, 224,226,228Th, 232Th, 236U; calculated B(E2) using a quadrupole-octupole axially symmetric collective model; deduced a critical region where a shape phase transition commences between stable and dynamic octupole deformation.
doi: 10.1393/ncc/i2024-24025-0
2023BU12 Eur.Phys.J. A 59, 242 (2023), Pub Erratum Eur.Phys.J. A 59, 261 (2023) R.Budaca, P.Buganu, A.I.Budaca Quadrupole-octupole shape and dynamics of 222Ra NUCLEAR STRUCTURE 222Ra; analyzed available data; deduced parameters for a phenomenological model based on an axial quadrupole–octupole Bohr Hamiltonian, to determine its shape and the nature of the excited band.
doi: 10.1140/epja/s10050-023-01163-9
2023BU13 J.Phys.(London) G50, 125101 (2023) Spin dynamics of triaxial odd mass nuclei with quasiparticle alignments NUCLEAR STRUCTURE 105Pd, 133La, 135Pr; calculated energy surfaces, total angular momentum, wobbling energy as a function of angular momentum, energies of the yrast and excited bands in a semiclassical approach. Comparison with available data.
doi: 10.1088/1361-6471/acfcd0
2022AK06 Eur.Phys.J. A 58, 145 (2022) D.T.Akrawy, A.I.Budaca, G.Saxena, A.H.Ahmed Generalization of the screened universal α-decay law by asymmetry and angular momentum RADIOACTIVITY 106,108Te, 112Xe, 114Ba, 146,148Sm, 148,150,152Gd, 150,152,154Dy, 152,154Er, 154,156Yb, 156,158,160Hf, 158,160,162W, 166W, 162Os, 166Os, 170Os, 174Os, 178,180,182,184Pt, 188,190Pt, 174,176Hg, 180,182,184Hg, 188Hg, 188,190Pb, 210Pb, 190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 194,196,198,200,202Rn, 206,208,210,212Rn, 218,220,222Rn, 206,208,210,212,214Ra, 220,222,224,226Ra, 210Th, 216,218Th, 222,224,226,228,230,232Th, 224,226,228,230,232,234,236,238U, 230,232,234,236,238,240,242,244Pu, 238,240,242,244,246,248Cm, 240Cf, 244,246,248,250,252,254Cf, 248,250,252,254,256Fm, 252No, 256No, 256,258Rf, 260,262Sg, 264,266Hs, 270Hs, 270Ds, 286,288Fl, 290,292Lv, 294Og, 105,107Te, 109Xe, 147Sm, 151Gd, 151,153Dy, 153,155Er, 155,157Yb, 157Hf, 159W, 165W, 161Os, 167Os, 173Os, 167,169,171,173,175,177Pt, 183Pt, 173,175,177,179Hg, 183,185Hg, 191Pb, 187,189,191Po, 195,197,199,201Po, 205,207,209,211,213Po, 195,197,199,201,203Rn, 207,209,211,213,215Rn, 219,221Rn, 203,205Ra, 209,211,213,215,217,219,221Ra, 211,213,215,217,219,221,223,225,227Th, 217,219U, 223,225U, 235U, 239,241Pu, 241,243,245,247Cm, 249,251Cf, 251,253,255,257Fm, 263Rf, 259,261Sg, 269,271Sg, 265,267Hs, 273Hs, 267Ds, 269,271,273Ds, 277Ds, 281Ds, 281Cn, 285Cn, 287,288,289Fl, 291,293Lv, 111I, 147Eu, 149,151Tb, 153Tm, 169Ir, 177Ir, 173Au, 181,183,185Au, 177,179Tl, 187,189Bi, 193,195Bi, 211,213Bi, 197,199,201,203,205,207,209,211,213,215,217,219At, 201,203,205,207,209,211,213,215,217,219,221,223Fr, 209,211,213,215,217,219,221,223,225,227Ac, 213,215,217,219Pa, 225,227Pa, 231Pa, 235,237Np, 239,241,243Am, 243,245Bk, 249Bk, 243,245Es, 255,257Lr, 257,259Db, 263Db, 261Bh, 267Bh, 275Mt, 279Rg, 283,285Nh, 287,289Mc, 293Ts, 110,112I, 114Cs, 148Eu, 152,154Ho, 154,156Tm, 158Lu, 162Ta, 160,162Re, 166Ir, 170,172,174Au, 182Au, 182Tl, 212,213,214Bi, 196,198,200,202,204,206,208,210,212,214,216,218At, 200,202,204,206,208,210,212,214,216,218,220Fr, 206,208,210,212,214,216,218,220,222,224Ac, 212Pa, 216Pa, 226Pa, 230Pa, 254Es, 256Md, 256,258Db, 260Bh, 264,266Bh, 270,272,274Bh, 268Mt, 274,276,278Mt, 272,274Rg, 278,280Rg, 278Nh, 284,286Nh, 288,290Mc, 294Ts(α); calculated T1/2. Comparison with available data.
doi: 10.1140/epja/s10050-022-00789-5
2022BU01 Nucl.Phys. A1017, 122355 (2022) Deformation dependence of the screened decay law for proton emission RADIOACTIVITY 108,109I, 112,113Cs, 117La, 121Pr, 130,131Eu, 135Tb, 141Ho, 145,146,147Tm, 150,151Lu, 155,156,157Ta, 159,160,161Re, 166,167Ir, 170,171Au, 176,177Tl, 185Bi(p); calculated T1/2. Comparison with available data.
doi: 10.1016/j.nuclphysa.2021.122355
2022BU17 Phys.Rev. C 106, 014311 (2022) R.Budaca, P.Buganu, A.I.Budaca Nuclear collective motion of heavy nuclei with axial quadrupole and octupole deformation NUCLEAR STRUCTURE 224,226,228Ra, 224,226,228,230,232,234Th, 230,232,234,236,238,240U, 236,238,240Pu; calculated energy levels, J, π, B(E1), B(E2), B(E3), related features of the alternate parity bands corresponding to octupole vibration or a stable deformation. Axially symmetric quadrupole-octupole Bohr model. Comparison with experimental data.
doi: 10.1103/PhysRevC.106.014311
2021BU02 Eur.Phys.J. A 57, 41 (2021) Screening amendment to the universal decay law for alpha decay RADIOACTIVITY 186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219Po, 194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222Rn, 202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226Ra, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232Th, 214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238U, 228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244Pu, 234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250Cm, 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254Cf, 246,247,248,249,250,251,252,253,254,255,256Fm, 251,252,253,254,255,256No, 254,260,264,266,268Rf, 258,262,264,266,268,270,272Sg, 272,274,276Hs, 268,272,274,276,278,280Ds, 276,278,280,282,284Cn, 284Fl, 253,259,261,263,265,267Rf, 259,261,263,265,267,269,271,273Sg, 263,265,267,269,271,273,275,277Hs, 267,269,271,273,275,277,279,281Ds, 277,279,281,283,285Cn, 285,287,289Fl, 289,291,293Lv(α); calculated T1/2. Comparison with available data.
doi: 10.1140/epja/s10050-021-00359-1
2020BU05 Phys.Rev. C 101, 064318 (2020) Triaxiality and state-dependent shape properties of Xe isotopes NUCLEAR STRUCTURE 118,120,122,124,126,128Xe; calculated levels, J, π of ground-state band, γ and β bands, staggering parameter, three-phonon 0+ states, B(E2) for intra- and inter-band quadrupole transitions, potential energy surfaces (PES) in (β2, γ) plane, β2 deformation for ground states, effective potentials for β2 deformations. Phenomenological Bohr model with an exactly separable collective potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.101.064318
2020BU17 Chin.Phys.C 44, 124102 (2020) Alpha decay of heavy and super heavy nuclei with a generalized electrostatic potential RADIOACTIVITY 186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219Po, 191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219At, 194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222Rn, 200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222Fr, 202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226Ra, 202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227Ac, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232Th, 216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238U(α); calculated T1/2 using WKB theory applied for a phenomenological potential barrier composed of a centrifugal contribution and a screened electrostatic interaction represented by a Hulthen potential. Comparison with available data.
doi: 10.1088/1674-1137/abb4cf
2019BU16 Nucl.Phys. A990, 137 (2019) R.Budaca, P.Buganu, A.I.Budaca Geometrical model description of shape coexistence in Se isotopes
doi: 10.1016/j.nuclphysa.2019.07.006
2019BU27 J.Phys.(London) G46, 125102 (2019) R.Budaca, A.I.Budaca, P.Buganu Application of the Bohr Hamiltonian with a double-well sextic potential to collective states in Mo isotopes NUCLEAR STRUCTURE 96,98,100Mo; calculated B(Eλ), energy levels, J, π; deduced collective potentials. Comparison with available data.
doi: 10.1088/1361-6471/ab4498
2017BU11 Phys.Scr. 92, 084001 (2017) Energy-dependent collective excitations in Os and Pt isotopes NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192Os, 180,182,184,186,188,190,192,194,196Pt; calculated B(E2), energy ratios and the excited band heads. Comparison with available data.
doi: 10.1088/1402-4896/aa6dab
2017BU14 Eur.Phys.J. A 53, 160 (2017) Proton emission with a screened electrostatic barrier RADIOACTIVITY 105Sb, 109I, 112,113Cs, 130,131Eu, 135Tb, 140,141Ho, 145,146,147Tm, 150,151Lu, 156,157Ta, 159,160,161Re, 164,165,166,167Ir, 170,171Au, 176,177Tl, 185Bi(p); calculated T1/2 using WKB-based with centrifugal and overlapping effects in addition to electrostatic repulsion. Compared with data and with other calculations.
doi: 10.1140/epja/i2017-12352-0
2016BU11 Nucl.Phys. A951, 60 (2016) A.I.Budaca, R.Budaca, I.Silisteanu Extended systematics of alpha decay half lives for exotic superheavy nuclei COMPILATION Z=102-118(α); compiled T1/2; deduced Q, T1/2 systematics. Compared to data.
doi: 10.1016/j.nuclphysa.2016.03.048
2016BU25 Phys.Rev. C 94, 054306 (2016) Shape phase mixing in critical point nuclei NUCLEAR STRUCTURE 148Ce, 150Nd, 156Dy, 158Er, 174,176,178,180Os, 178,180,182,184Pt; calculated energy levels for the ground, γ, and the first two β bands, J, π, B(E2), ground state deformation parameters using Bohr-Mottelson model. Comparisons with experimental values taken from evaluated data in NDS publications.
doi: 10.1103/PhysRevC.94.054306
2015BU09 J.Phys.(London) G42, 085103 (2015) Conjunction of γ-rigid and γ-stable collective motions in the critical point of the phase transition from spherical to deformed nuclear shapes NUCLEAR STRUCTURE 160Gd, 162Dy, 166Er; calculated energy levels, J, π, B(E2). Comparison with available data.
doi: 10.1088/0954-3899/42/8/085103
2015BU12 Eur.Phys.J. A 51, 126 (2015) Competing γ-rigid and γ-stable vibrations in neutron-rich Gd and Dy isotopes NUCLEAR STRUCTURE 158,160,162Gd, 160,162,164Dy; calculated levels, J, π, deformation, rotational bands, B(E2), coupling between two types of collective motion, rigidity parameter using exactly separable version of Bohr Hamiltonian. Compared with data.
doi: 10.1140/epja/i2015-15126-8
2013BU19 Phys.Rev. C 88, 044618 (2013) Systematic study of α-decay properties of superheavy nuclei RADIOACTIVITY 251,253,254,255,256,257,259No, 254,255,256,257,258,259,260Lr, 255,257,259,261Rf, 256,257,258,259,260,261,262,263Db, 259,260,261,263,265,266,269,271Sg, 262,264,266,267,270,271,272,274Bh, 263,264,265,266,267,269,270,271,273,275Hs, 266,268,270,274,275,276,278Mt, 267,269,270,271,273,277,279,281Ds, 272,274,278,279,280,282Rg, 277,281,283,285Cn, 278,282,283,284,285,286Nh, 286,287,288,289Fl, 287,288,289,290Mc, 290,291,292,293Lv, 293,294Ts, 294,295Og, 298,299120(α); calculated half-lives for superheavy nuclei (SHN). Shell-model rate theory with α clustering and resonance scattering amplitudes given by self-consistent models for nuclear structure and reaction dynamics. Brown relationship for α-decay half-life and Q(α). Simple fit formulas proposed for α-decay half-lives. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.044618
2013SI04 At.Data Nucl.Data Tables 98, 1096 (2013) Structure and α-decay properties of the heaviest nuclei NUCLEAR STRUCTURE Z=102-120; calculated T1/2; deduced Brown systematics. Microscopic shell model.
doi: 10.1016/j.adt.2011.12.007
2013SI27 Rom.J.Phys. 58, 1198 (2013) Study of α-Radioactivity of Superheavy Nuclei RADIOACTIVITY 267,269,270,271,273,277,279,281Ds(α); calculated T1/2. Shell model, comparison with experimental data.
2012BU12 J.Phys.:Conf.Ser. 337, 012022 (2012) Study of α-Decay Properties of Superheavy Nuclei RADIOACTIVITY Z=102-118, 120(α); compiled T1/2; deduced systematics.
doi: 10.1088/1742-6596/337/1/012022
2012SI02 Rom.J.Phys. 57, 493 (2012) Alpha-Decay Data of Superheavy Nuclei as a Source of Information about Nuclear States RADIOACTIVITY 286Fl, 281Cn, 277Ds, 273Hs, 269Sg, 282Nh, 278Rg, 274Mt, 270Bh(α); calculated T1/2. Comparison with experimental data.
2010SI27 Rom.J.Phys. 55, 1088 (2010) I.Silisteanu, A.I.Budaca, A.O.Silisteanu Systematics of α-Decay Half-Lives of the Heaviest Elements RADIOACTIVITY 253,254,255,256,257,259No, 254,255,256,257,258,259,260Lr, 255,256,257,258,259,260,261Rf, 256,257,258,259,260,261,262,263Db, 259,260,261,263,265,266,271Sg, 261,262,264,266,267,272,274Bh, 264,265,266,267,269,270Hs, 266,268,270,275,276,278Mt, 267,269,270,271,273,279Ds, 272,274,279,280,282Rg, 277,283,285Cn, 278,283,284,285,286Nh, 286,287,288,289Fl, 287,288,289,290Mc, 290,291,292,293Lv, 293,294Ts, 294,295Og, 298,299120(α); calculated T1/2. Comparison with experimental data.
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