NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = T.Shneidman Found 60 matches. 2024MU02 J.Radioanal.Nucl.Chem. 333, 1559 (2024) R.S.Mukhin, A.V.Isaev, A.V.Andreev, M.L.Chelnokov, V.I.Chepigin, H.M.Devaraja, B.Gall, K.Hauschild, I.N.Izosimov, A.A.Kuznetsova, A.Lopez-Martens, O.N.Malyshev, A.G.Popeko, Yu.A.Popov, A.Rahmatinejad, B.Sailaubekov, T.M.Shneidman, E.A.Sokol, A.I.Svirikhin, M.S.Tezekbayeva, A.V.Yeremin Analysis of the shape of multiplicity distributions of prompt neutrons emitted in spontaneous fission RADIOACTIVITY 253,254,255,256,257,258,259,260,261,262Rf, 252,253,254,255,256,257,258,259,260,261,262Lr, 249,250,251,252,253,254,255,256,257,258,259,260,261No, 245,246,247,248,249,250,251,252,253,254,255,256,257,258,259Md, 243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259Fm(SF); analyzed available data; deduced the prompt neutron multiplicity distribution (PNMD) emitted is the spontaneous fission (SF), shape of the PNMD helps to achieve the information according the dynamic of the SF.
doi: 10.1007/s10967-023-09164-0
2023IS03 Phys.Lett. B 843, 138008 (2023) A.V.Isaev, R.S.Mukhin, A.V.Andreev, Z.Asfari, M.L.Chelnokov, V.I.Chepigin, H.M.Devaraja, O.Dorvaux, B.Gall, K.Hauschild, I.N.Izosimov, A.A.Kuznetsova, A.Lopez-Martens, O.N.Malyshev, A.G.Popeko, Yu.A.Popov, A.Rahmatinejad, B.Sailaubekov, T.M.Shneidman, E.A.Sokol, A.I.Svirikhin, M.S.Tezekbayeva, A.V.Yeremin, N.I.Zamyatin Structure of the prompt neutron multiplicity distribution in the spontaneous fission of 256Rf RADIOACTIVITY 256Rf(SF), (α) [from 208Pb(50Ti, X), E=237 MeV];measured fission products, En, In, TOF; deduced neutron multiplicity distribution, alpha decay branching ratio and T1/2. Prompt neutron multiplicity study in the superheavy element region. SHELS separator, U-400 cyclotron, the Flerov laboratory at JINR.
doi: 10.1016/j.physletb.2023.138008
2023IS06 Phys.Part. and Nucl.Lett. 20, 988 (2023) T.Issatayev, N.K.Skobelev, T.M.Shneidman, Yu.E.Penionzhkevich, V.Burjan, J.Mrazek Investigation into Excited States of 46Ti Nuclei in Reactions with the 3He Beam at 29 MeV NUCLEAR REACTIONS 45Sc(3He, d)46Ti, E=29 MeV; measured reaction products; deduced σ(θ), energy levels in the range from the ground state to highly excited states with energies up to 17 MeV. Comparison with calculations. The U-120M cyclotron at the Institute of Nuclear Physics of the Academy of Sciences of the Czech Republic in Rez.
doi: 10.1134/S1547477123050400
2023JO11 Int.J.Mod.Phys. E32, 2340002 (2023) R.V.Jolos, E.A.Kolganova, E.V.Mardyban, T.M.Shneidman Reflection-asymmetric mode in the structure of heavy nuclei NUCLEAR STRUCTURE 238,240Pu, 220,222,224,226,228Ra, 152,156Gd, 224,226,228,230,232,234Th, 238U, 144Ba; calculated values of parity splitting as a function of angular momentum, parity splitting in the alternating parity bands; deduced parameters.
doi: 10.1142/S0218301323400025
2022DE36 Phys.Atomic Nuclei 85, 805 (2022) M.Demichev, S.Abou El Azm, A.Bezbakh, M.Gostkin, N.Jovancevic, D.Knezevic, V.Kobets, M.Krmar, U.Kruchonak, S.Mitrofanov, A.Nozdrin, S.Porokhovoy, A.Rahmatinejad, T.Shneidman, V.Stegaylov, Y.Teterev, A.Zhemchugov Study of 209Bi(γ, xn) Reactions in Energy Region up To 100 MeV NUCLEAR REACTIONS 209Bi(γ, xn), E<100 MeV; measured reaction products, Eγ, Iγ. 200,201,202,203,204,205,206,207Bi; deduced relative yields. Comparison with GEANT4 simulations. Electron accelerator LINAC-200, located at Laboratory of Nuclear Problems of JINR, Dubna.
doi: 10.1134/S1063778823010167
2022IS05 Eur.Phys.J. A 58, 108 (2022) A.V.Isaev, R.S.Mukhin, A.V.Andreev, M.A.Bychkov, M.L.Chelnokov, V.I.Chepigin, H.M.Devaraja, O.Dorvaux, M.Forge, B.Gall, K.Hauschild, I.N.Izosimov, K.Kessaci, A.A.Kuznetsova, A.Lopez-Martens, O.N.Malyshev, A.G.Popeko, Yu.A.Popov, A.Rahmatinejad, B.Sailaubekov, T.M.Shneidman, E.A.Sokol, A.I.Svirikhin, D.A.Testov, M.S.Tezekbayeva, A.V.Yeremin, N.I.Zamyatin, K.Sh.Zhumadilov Prompt neutron emission in the spontaneous fission of 246Fm RADIOACTIVITY 246Fm(SF) [from 208Pb(40Ar, X), E=183 MeV]; measured decay products, En, In; deduced neutron yields, nubar, spontaneous fission branching ratio, T1/2. Tikhonov method of statistical regularisation. FLNR JINR using the SHELS separator and the SFiNx detection system, the U-400 cyclotron.
doi: 10.1140/epja/s10050-022-00761-3
2022MA10 Phys.Rev. C 105, 024321 (2022) E.V.Mardyban, E.A.Kolganova, T.M.Shneidman, R.V.Jolos Evolution of the phenomenologically determined collective potential along the chain of Zr isotopes NUCLEAR STRUCTURE 92,94,96,98,100,102Zn; calculated low-ling collective levels, J, π, B(E2), collective potentials, potential-energy surfaces. Calculations using quadrupole-collective Bohr Hamiltonian. Comparison to experimental data.
doi: 10.1103/PhysRevC.105.024321
2022MA66 Phys.Part. and Nucl.Lett. 19, 463 (2022) E.V.Mardyban, T.M.Shneidman, E.A.Kolganova, R.V.Jolos Influence of Triaxiality on the Description of Low-Energy Excitation Spectrum of 96Zr NUCLEAR STRUCTURE 96Zr; calculated potential energies, B(E2); deduced influence of nonaxiality on the description of experimental data, impact of the probabilities of quadrupole transitions by the relative weights of the components with different value of projection K of angular momentum on the symmetry axis.
doi: 10.1134/S1547477122050272
2022MA70 Phys.Part. and Nucl.Lett. 19, 646 (2022) E.V.Mardyban, T.M.Shneidman, E.A.Kolganova, R.V.Jolos Manifestation of Reflection-Asymmetric Deformation in the Structure of Superheavy Nuclei NUCLEAR STRUCTURE 250,252,254,256,258,260,262No, 254,256,258,260,262,264,266Rf, 258,260,262,264,266,268,270Sg, 264,266,268,270,272,274Hs, 268,270,272,274,276,278,280,282Ds; calculated negative parity energy levels, initial parity splitting, transition dipole, quadrupole and octupole moments using the cluster model of a dinuclear system; deduced assessments of the critical angular momenta at which the transition from oscillatory motion to stable reflection-asymmetric deformation.
doi: 10.1134/S1547477122060152
2022RA06 Phys.Rev. C 105, 044328 (2022) A.Rahmatinejad, T.M.Shneidman, G.G.Adamian, N.V.Antonenko, P.Jachimowicz, M.Kowal Energy dependent ratios of level-density parameters in superheavy nuclei NUCLEAR STRUCTURE 282,283,284,285,286,287,288,289,290,291,292,293,294,295Mc, 283,284,285,286,287,288,289,290,291,292,293,294,295,296Lv, 279,280,281,282,283,284,285,286,287,288,289,290,291Nh, 291,292,293,294,295,296,297,298Ts, 291,292,293,294,295,296,297,298,299Og, 292Fl, 295,296,297,298,299,300119, 295,296,297,298,299,300,301,302120; calculated intrinsic nuclear level densities, energy-dependent level-density parameters, energy-dependent ratios of level-density parameters corresponding to the nuclei at the fission saddle point and to proton and α-particle emission residues at their ground state to those obtained for the daughter nuclei after neutron emission. Thermodynamic superfluid formalism using the single-particle energies obtained from the diagonalization of the deformed Woods-Saxon potential.
doi: 10.1103/PhysRevC.105.044328
2022RA31 Phys.Part. and Nucl.Lett. 19, 470 (2022) Kinetic Energy Distribution in Multi-Step Neutron Emission from Superheavy Nuclei NUCLEAR STRUCTURE 299Og, 302120; calculated probability of realization of x=2-8 neutron evaporation channels, average kinetic energies of intermediate neutrons evaporated using the superfluid formalism with the single-particle energies obtained from the Woods-Saxon potential diagonalization at the ground state.
doi: 10.1134/S1547477122050351
2022SH31 Phys.Rev. C 106, 014310 (2022) T.M.Shneidman, N.Minkov, G.G.Adamian, N.V.Antonenko Effect of Coriolis mixing on lifetime of isomeric states in heavy nuclei NUCLEAR STRUCTURE 249Cm, 251Cf, 253Fm, 255No, 257Rf; calculated one-quasiparticle spectra, levels, J, π, Nilsson configurations using the two-center shell model (TCSM), and axially symmetric deformed shell model, matrix elements for the Coriolis interaction between different quasiparticle states, components contributing to the wave functions of second 7/2+ states, energy interval between the two lowest 7/2+ states, B(E2), B(M1), half-lives of the 7/2+ isomeric states; deduced that Coriolis mixing leads to the enhanced quadrupole transition rate from the isomeric state in 251Cf, and reduced half-life of its lowest isomeric state. Comparison with available experimental data.
doi: 10.1103/PhysRevC.106.014310
2022SP01 Phys.Rev. C 105, 024323 (2022) P.Spagnoletti, P.A.Butler, L.P.Gaffney, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, K.Wrzosek-Lipska, N.Warr, M.Zielinska Coulomb excitation of 222Rn NUCLEAR REACTIONS 120Sn, 60Ni(222Rn, 222Rn'), E=4.23 MeV/nucleon [secondary 222Rn beam produced in Th(p, X), E=1.4 GeV reaction]; measured reaction products, Eγ, Iγ, (particle)γ-coin. 222Rn; deduced levels, J, π, E1, E2 and E3 matrix elements, high-spin levels, bands, intrinsic quadrupole and octupole moments. GOSIA analysis of Coulomb excitation cross sections. Miniball HPGe array at HIE-ISOLDE. Systematics of quadrupole moments and other parameters in even-A Ra and Rn isotopes.
doi: 10.1103/PhysRevC.105.024323
2022WA21 Phys.Rev. C 106, L011303 (2022) C.G.Wang, R.Han, C.Xu, H.Hua, R.A.Bark, S.Q.Zhang, S.Y.Wang, T.M.Shneidman, S.G.Zhou, J.Meng, S.M.Wyngaardt, A.C.Dai, F.R.Xu, X.Q.Li, Z.H.Li, Y.L.Ye, D.X.Jiang, C.G.Li, C.Y.Niu, Z.Q.Chen, H.Y.Wu, D.W.Luo, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, N.B.Zhang, R.J.Guo, P.Jones, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Maqabuka, L.Makhathini, L.Mdletshe, O.Shirinda, K.Sowazi First evidence of an octupole rotational band in Ge isotopes NUCLEAR REACTIONS 74Ge(α, 3nα)71Ge, E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using AFRODITE array for γ detection at the Separated Sector Cyclotron facility of iThemba LABS. 71Ge; deduced levels, J, π, multipolarities, alignments, rotational bands, octupole rotational band. Comparison with semi-microscopic cluster model calculations. Systematics of energies of 15/2- states in 67,69,71Ge, and those of 2+ and 3- states in 66,68,70,72,74Ge. Systematics of B(E1)/B(E2) ratios for 19/2- states in 67,71Ge in comparison to the ratio for octupole-deformed 220Ra nucleus. 71Ge, 74Se; calculated levels, J, π, B(E2) using two-center shell model (TCSM), and compared with experimental data.
doi: 10.1103/PhysRevC.106.L011303
2021IS09 Phys.Part. and Nucl.Lett. 18, 449 (2021) A.V.Isaev, A.V.Andreev, M.L.Chelnokov, V.I.Chepigin, I.N.Izosimov, A.A.Kuznetsova, O.N.Malyshev, R.S.Mukhin, A.G.Popeko, Y.A.Popov, T.M.Shneidman, E.A.Sokol, A.I.Svirikhin, M.S.Tezekbayeva, A.V.Yeremin, N.I.Zamyatin, P.Brionnet, O.Dorvaux, B.Gall, K.Kessaci, A.Sellam, K.Hauschild, A.Lopez-Martens, S.Antalic, P.Mosat Comparative Study of Spontaneous-Fission Characteristics of 252No and 254No Isotopes RADIOACTIVITY 252,254No(SF) [from 206,208Pb(48Ca, X), E=215 MeV]; measured decay products; deduced T1/2, total kinetic energies of fission fragments, and prompt-neutron multiplicities (nubars). SHELS separator, Flerov Laboratory of Nuclear Reactions (JINR).
doi: 10.1134/S1547477121040087
2021RA04 Phys.Rev. C 103, 034309 (2021) A.Rahmatinejad, A.N.Bezbakh, T.M.Shneidman, G.Adamian, N.V.Antonenko, P.Jachimowicz, M.Kowal Level-density parameters in superheavy nuclei NUCLEAR STRUCTURE 296Lv; calculated potential energy contour in the (β20, β22) plane, proton and neutron single-particle spectra along the fission paths using the Woods-Saxon potential diagonalization. 292Fl, 296Lv, 300120; calculated energy dependencies of the ground-state and saddle-point level-density parameters. A=277-302; calculated mass number dependence of the asymptotic ground state and saddle-point level-density parameters. 282,283,284,285,286,287,288,289,290,291,292Fl; calculated ratios of the level density parameters at the saddle point and ground state. 236U, 240Pu; calculated dependence of fission probability on excitation energy for the fissioning nuclei. 293,294,295,296,297Ts, 295,296,297,298,299,300,301,302120; calculated ratios of the level density parameter of the mother nucleus at the saddle point to that of the daughter nucleus after neutron separation at the ground state. 278Cn, 294Og, 296,298120; calculated dependence of neutron emission probability on excitation energy. Level density parameter calculated by fitting the obtained results with the standard Fermi gas expression.
doi: 10.1103/PhysRevC.103.034309
2021VO14 Phys.Lett. B 821, 136624 (2021) M.von Tresckow, M.Rudigier, T.M.Shneidman, T.Kroll, M.Boromiza, C.Clisu, C.Costache, d.Filipescu, N.M.Florea, I.Gheorghe, K.Gladnishki, A.Ionescu, D.Kocheva, R.Lica, N.Marginean, R.Marginean, K.R.Mashtakov, C.Mihai, R.E.Mihai, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, G.Rainovski, T.Sava, M.Scheck, P.Spagnoletti, C.Sotty, L.Stan, I.Stiru, S.Toma, A.Turturica, S.Ujeniuc New evidence for alpha clustering structure in the ground state band of 212Po NUCLEAR REACTIONS 208Pb(10B, 6Li)212Po, E=51 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). ROSPHERE array, Horia Hulubei National Institute. Delayed coincidence fast-timing method.
doi: 10.1016/j.physletb.2021.136624
2020BE26 Bull.Rus.Acad.Sci.Phys. 84, 943 (2020) A.N.Bezbakh, A.Rahmati Nejad, T.M.Shneidman, N.V.Antonenko Level Densities of Nuclei with Z = 112-120 NUCLEAR STRUCTURE Z=112-120; calculated level densities of superheavy nuclei using single-particle spectra obtained in a macroscopic and microscopic model based on the Woods–Saxon single-particle potential.
doi: 10.3103/S1062873820080092
2020BU01 Phys.Rev.Lett. 124, 042503 (2020) P.A.Butler, L.P.Gaffney, P.Spagnoletti, K.Abrahams, M.Bowry, J.Cederkall, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive 222Ra and 228Ra Beams NUCLEAR REACTIONS 60Ni, 120Sn(222Ra, 222Ra'), (228Ra, 228Ra'), E=4.31 MeV/nucleon; measured reaction products, Eγ, Iγ. 222,228Ra; deduced γ-ray energies, dipole moments, quadrupole moments, E2 and E3 matrix elements, octupole collectivity.
doi: 10.1103/PhysRevLett.124.042503
2020BU20 Nat. Commun. 11, 3560 (2020) P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska Addendum: The observation of vibrating pear-shapes in radon nuclei NUCLEAR REACTIONS 120Sn(222Rn, 222Rn'), E=4.23 MeV/nucleon; 120Sn(224Rn, 224Rn'), (226Rn, 226Rn'), E=5.08 MeV/nucleon; analyzed available data with updated computer codes. 222,224,226Rn; deduced additional γ-ray energies for high-spin transitions, J, π, level schemes, octupole-vibrational bands. Comparison with systematics of radon isotopes. Root analysis files.
doi: 10.1038/s41467-020-17309-y
2020JO08 Phys.Atomic Nuclei 83, 550 (2020) R.V.Jolos, E.A.Kolganova, L.A.Malov, E.V.Mardyban, D.A.Sazonov, T.M.Shneidman Phase Transitions and Shape Coexistence in Atomic Nuclei NUCLEAR STRUCTURE 96Zr, 150,152Sm, 152,156Gd, 222Ra, 240Pu, 286Fl; calculated energy levels, J, π, angular momenta, bands, potential energy surfaces.
doi: 10.1134/S1063778820040092
2020MA32 Phys.Atomic Nuclei 83, 53 (2020) E.V.Mardyban, T.M.Shneidman, E.A.Kolganova, R.V.Jolos Description of Stabilization of Octupole Deformation in Alternating-Parity Bands of Heavy Nuclei
doi: 10.1134/S1063778820010093
2020MA44 Phys.Rev. C 102, 034308 (2020) E.V.Mardyban, E.A.Kolganova, T.M.Shneidman, R.V.Jolos, N.Pietralla Description of the low-lying collective states of 96Zr based on the collective Bohr Hamiltonian including the triaxiality degree of freedom NUCLEAR STRUCTURE 96Zr; calculated levels, J, π, B(E2), B(M1), quadrupole moment, ρ2 for E0 transitions, potential energy surfaces in (β, γ) planes using geometrical collective model for low-lying positive-parity states. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.034308
2020RA07 Phys.Rev. C 101, 054315 (2020) A.Rahmatinejad, T.M.Shneidman, N.V.Antonenko, A.N.Bezbakh, G.G.Adamian, L.A.Malov Collective enhancements in the level densities of Dy and Mo isotopes NUCLEAR STRUCTURE 94,96,98Mo, 160,162,164Dy; calculated β2 and β4 deformation parameters, shell corrections, pairing energies, neutron-, and proton-pairing gaps in the ground states, intrinsic level densities, energy dependent level densities, critical temperatures and corresponding critical energies, spin cut-off parameters, number of collective levels, and collective enhancement factors using the superfluid model with single-particle energies from the quasiparticle-phonon model (QPM) and Woods-Saxon potential. Comparison with experimental densities.
doi: 10.1103/PhysRevC.101.054315
2020RO11 Phys.Atomic Nuclei 83, 15 (2020) I.S.Rogov, N.V.Antonenko, G.G.Adamian, T.M.Shneidman Effect of the Nucleon-Density Distribution on the Description of Nuclear Decay
doi: 10.1134/S1063778820010123
2020RO13 Nucl.Phys. A1002, 121995 (2020) I.S.Rogov, G.G.Adamian, N.V.Antonenko, T.M.Shneidman, H.Lenske Nucleon density distribution in description of nuclear decays NUCLEAR STRUCTURE 44Ti; analyzed available data; calculated spectroscopic factors. RADIOACTIVITY 236,238U(α), (SF); analyzed self-consistently calculated nucleon density distributions; deduced T1/2.
doi: 10.1016/j.nuclphysa.2020.121995
2019BU29 Nat. Commun. 10, 2473 (2019) P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska The observation of vibrating pear-shapes in radon nuclei NUCLEAR REACTIONS 120Sn(222Rn, 222Rn'), E=4.23 MeV/nucleon; 120Sn(224Rn, 224Rn'), (226Rn, 226Rn'), E=5.08 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin., X-rays. 222,224,226Rn; deduced γ-ray energies, J, π, level schemes, octupole-vibrational bands, high-spin transitions. Comparison with systematics of radon isotopes. HIE-ISOLDE accelerator, Miniball spectrometer.
doi: 10.1038/s41467-019-10494-5
2019GR06 J.Phys.(London) G46, 075101 (2019) E.T.Gregor, N.N.Arsenyev, M.Scheck, T.M.Shneidman, M.Thurauf, C.Bernards, A.Blanc, R.Chapman, F.Drouet, A.A.Dzhioev, G.de France, M.Jentschel, J.Jolie, J.M.Keatings, T.Kroll, U.Koster, R.Leguillon, K.R.Mashtakov, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.Sinclair, J.F.Smith, T.Soldner, P.Spagnoletti, A.V.Sushkov, W.Urban, A.Vancraeyenest, J.R.Vanhoy, V.Werner, K.O.Zell, M.Zielinska Decay properties of the 3-1 level in 96Mo NUCLEAR REACTIONS 95Mo(n, 2γ), E cold; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(Eλ). Comparison with QRPA results. NUCLEAR STRUCTURE 92,94,96,98Mo; calculated energy levels, B(Eλ) using QRPA approach.
doi: 10.1088/1361-6471/ab0b5e
2019SA20 Phys.Rev. C 99, 031304 (2019) D.A.Sazonov, E.A.Kolganova, T.M.Shneidman, R.V.Jolos, N.Pietralla, W.Witt Description of shape coexistence in 96Zr based on the quadrupole-collective Bohr Hamiltonian NUCLEAR STRUCTURE 96Zr; calculated low-lying levels, J, π, B(E2), B(M1), ρ2 for E0 transitions, quadrupole moment for 2+, wave functions of the first and second 0+ and 2+ states, and shape coexistent potential using quadrupole-collective Bohr Hamiltonian with the potential having two minima corresponding to spherical and deformed shapes. Comparison with experimental values.
doi: 10.1103/PhysRevC.99.031304
2018MA38 Bull.Rus.Acad.Sci.Phys. 82, 691 (2018) M.L.Markova, T.M.Shneidman, N.V.Antonenko, T.Yu.Tretyakova Effect of Coriolis Interaction on the Decay of Isotones with N = 149 and N = 153 NUCLEAR STRUCTURE 243,247Pu, 245,249Cm, 247,251Cf, 249,253Fm, 251,255No, 253,257Rf; calculated single-particle energy spectra, J, π, deformation of odd isotones with N=149, 153 using Two-Center Shell Model (TCSM) with K-mixing of the basis wave functions and inclusion of the Coriolis correction; deduced estimates for the B(E2) transitions to the gs, T1/2 of the isotones.
doi: 10.3103/S1062873818060187
2018MA67 Chin.Phys.C 42, 124104 (2018) E.V.Mardyban, T.M.Shneidman, E.A.Kolganova, R.V.Jolos, S.-G.Zhou Analytical description of shape transition in nuclear alternating parity bands NUCLEAR STRUCTURE 222,224,226,228Ra, 224,226,228,230,232,234,236Th, 230,232,234,236,238,240U, 238,240,242,244Pu; calculated parity splitting as a function of angular momentum, transitional dipole moments, E1 matrix element. Comparison with available data.
doi: 10.1088/1674-1137/42/12/124104
2018SP02 Phys.Rev. C 97, 064319 (2018) M.Spieker, S.Pascu, D.Bucurescu, T.M.Shneidman, T.Faestermann, R.Hertenberger, H.-F.Wirth, N.-V.Zamfir, A.Zilges High-resolution (p, t) study of low-spin states in 240Pu: Octupole excitations, α clustering, and other structure features NUCLEAR REACTIONS 242Pu(p, t), E=24 MeV; measured E(t), I(t), differential σ(θ), and total σ using the Q3D magnetic spectrograph of MLL-Munich. 240Pu; deduced levels, J, π, configurations, rotational band structure, moments of inertia of band members, origin of excited 0+ states, B(E1)/B(E2), summed B(E1) strength. Comparison with previous experimental values, and spdf IBM and α-cluster model theoretical predictions. Comparison of experimental σ(θ) values with coupled-channel distorted-wave Born approximation (DWBA) calculations with CHUCK3 code. 186W, 232Th(p, t), E=24 MeV; measured E(t), I(t); deduced levels, used for calibration of levels in 240Pu. NUCLEAR STRUCTURE 238,240Pu, 226,228,230,232Th, 232,234,238U, 224,226,228Ra; analyzed experimental excitation energy, B(E1), B(E2) and B(E3) values; deduced octupole correlations, effect of negative-parity single particle states and potential role of double-octupole or α-clustering states on enhanced B(E1).
doi: 10.1103/PhysRevC.97.064319
2016BE37 Eur.Phys.J. A 52, 353 (2016) A.N.Bezbakh, T.M.Shneidman, G.G.Adamian, N.V.Antonenko, S.-G.Zhou Level densities of dinuclear systems NUCLEAR STRUCTURE 266Hs, 272,280Ds[originated from 58Fe+208Pb, 64Ni+208Pb, 36S+244Pu]; calculated double nuclear system potential energy, quadrupole deformation, entropy, level density parameter using TCSM (Two-Center Shell Model).
doi: 10.1140/epja/i2016-16353-1
2016CH30 Phys.Rev. C 94, 021301 (2016) X.C.Chen, J.Zhao, C.Xu, H.Hua, T.M.Shneidman, S.G.Zhou, X.G.Wu, X.Q.Li, S.Q.Zhang, Z.H.Li, W.Y.Liang, J.Meng, F.R.Xu, B.Qi, Y.L.Ye, D.X.Jiang, Y.Y.Cheng, C.He, J.J.Sun, R.Han, C.Y.Niu, C.G.Li, P.J.Li, C.G.Wang, H.Y.Wu, Z.H.Li, H.Zhou, S.P.Hu, H.Q.Zhang, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, H.W.Li, Y.H.Wu, P.W.Luo, J.Zhong Evolution of octupole correlations in 123Ba NUCLEAR REACTIONS 108Cd(19F, 3np), E=90 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) at HI-13 tandem facility of the CIAE-Beijing. 123Ba; deduced high-spin levels, J, π, bands, multipolarity, B(E1)/B(E2) ratio. 123,125,145Ba; systematics of B(E1)/B(E2) ratios, theoretical and experimental energy displacements between the opposite-parity bands, octupole correlations, potential-energy surface contours in (β2, β3) plane. Comparison with predictions of multidimensionally-constrained relativistic mean-field (MDC-RMF) model, and cluster model based on dinuclear system.
doi: 10.1103/PhysRevC.94.021301
2015BE10 Acta Phys.Pol. B46, 563 (2015) A.N.Bezbakh, T.M.Shneidman, G.G.Adamian, N.V.Antonenko, S.-G.Zhou Influence of Shell Structure on Level Densities of Superheavy Nuclei RADIOACTIVITY 296,298,300120(α); calculated the intrinsic level density parameters; deduced dependences of the level density parameters on the mass and charge numbers as well as on the ground-state shell corrections. Comparison with phenomenological values.
doi: 10.5506/APhysPolB.46.563
2015SH28 Phys.Rev. C 92, 034302 (2015) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos, S.-G.Zhou Cluster approach to the structure of 240Pu NUCLEAR STRUCTURE 240Pu; calculated levels, J, π, rotational bands, parity splitting, average mass asymmetry, B(E2), B(E1), transition dipole moment D0, D0/q0 ratio, B(E1)/B(E2) ratio. Positive parity 0+2 rotational band, alternating-parity rotational bands. Cluster approach, with shape deformation parameters and cluster degrees of freedom. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.034302
2014BE21 Eur.Phys.J. A 50, 97 (2014) A.N.Bezbakh, T.M.Shneidman, G.G.Adamian, N.V.Antonenko Level densities of heaviest nuclei NUCLEAR STRUCTURE 162Dy, 166Er, 190Os, 196Pt, 200Hg, 228,230Th, 228Ra, 256,258,260Fm, 260,262,264No, 264,266,268Rf, 268,270,272Sg, 272,274,276Sg, 276,278,280Ds, 280,282,284Cn, 284,286,288Fl, 288,290,292Lv, 292,294,296Og, 296,298,300120, 300,302,304122, 304,306,308124, 308,310,312126, 312,314,316128, 316,318,320130; calculated level density, level-density parameters, ground-state shell corrections using two-center shell model single-particle spectra.
doi: 10.1140/epja/i2014-14097-6
2012KU23 Eur.Phys.J. A 48, 112 (2012) S.N.Kuklin, T.M.Shneidman, G.G.Adamian, N.V.Antonenko Alpha-decay fine structures of U isotopes and systematics for isotopic chains of Po and Rn RADIOACTIVITY 228Th(20O), 222Ra(14C), 232U(24Ne), 234U(26Ne), 236U(30Mg), 236Pu(28Mg), 238Pu(32Si); calculated T1/2. 184,186,188,190,192,194,196,198,200,202,204,206,208Po, 194,196,198,200,202,204,206,208,210Rn, 224,226,228,230,232,234,236,238U(α); calculated α spectroscopic factor for low-lying positive parity states, T1/2. Zero-point vibrations in the charge-asymmetry coordinate; compared to data. NUCLEAR STRUCTURE 184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 194,196,198,200,202,204,206,208,210,212,214,216,218,220,222Rn; calculated α cluster spectroscopic factor using zero-point vibrations in the charge-asymmetry coordinate. Compared to data.
doi: 10.1140/epja/i2012-12112-8
2012SH41 J.Phys.:Conf.Ser. 366, 012046 (2012) T.M.Shneidman, A.V.Andreev, M.Sin, C.Massimi, G.Vannini, A.Ventura Advanced fission models in nuclear data calculations NUCLEAR REACTIONS 233U(n, F), E=0.5-20 MeV; calculated σ, fragments angular anisotropy using EMPIRE. Compared to data.
doi: 10.1088/1742-6596/366/1/012046
2011SH06 Acta Phys.Pol. B42, 481 (2011) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos, W.Scheid Multiple Reflection Asymmetric Type Band Structures in 220Th and Dinuclear Model NUCLEAR STRUCTURE 220Th; analyzed lowest negative parity bands; calculated energies, J, π, parity splitting, B(E1)/B(E2). Dinuclear system model, comparison with experimental data.
doi: 10.5506/APhysPolB.42.481
2011SH09 Eur.Phys.J. A 47, 34 (2011) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos, W.Scheid Multiple reflection-asymmetric-type band structures in 220Th and dinuclear model NUCLEAR STRUCTURE 220Th; calculated levels, J, π, B(E1), B(E2), rotational band, bands using dinuclear model with collective motion in mass asymmetry. Comparison with data.
doi: 10.1140/epja/i2011-11034-3
2007AD23 Int.J.Mod.Phys. E16, 1021 (2007) G.G.Adamian, N.V.Antonenko, R.V.Jolos, S.P.Ivanova, Yu.V.Palchikov, T.M.Shneidman, A.Andreev, W.Scheid Nuclear Molecules
doi: 10.1142/S0218301307006472
2007AD24 Phys.Atomic Nuclei 70, 1350 (2007) G.G.Adamian, N.V.Antonenko, R.V.Jolos, Yu.V.Palchikov, T.M.Shneidman, W.Scheid Nuclear structure in the dinuclear model with rotating clusters NUCLEAR STRUCTURE 238U; calculated level energies, J, π using the dinuclear-system model.
doi: 10.1134/S1063778807080054
2007SH30 Phys.Atomic Nuclei 70, 1452 (2007) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos Cluster approach to the structure of nuclei with Z ≥ 96 NUCLEAR STRUCTURE Z>95; Th, U, Pu, cm, Cf, Fm, No, Rf, Sg; calculated energies of the states of yrast rotational bands within the dinuclear-system model. Compared results to available data.
doi: 10.1134/S1063778807080212
2006SH19 Phys.Rev. C 74, 034316 (2006) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos Possible alternative parity bands in the heaviest nuclei NUCLEAR STRUCTURE 239,240U, 241,242,243,244,245Pu, 243,244,245,246,247,248Cm, 245,246,247,248,249,250Cf, 247,248,249,250,251,252Fm, 249,250,251,252,253,254No, 253,254,255,256Rf, 258Sg; calculated levels, J, π, rotational bands, transition dipole and quadrupole moments. Cluster model.
doi: 10.1103/PhysRevC.74.034316
2005SH49 Eur.Phys.J. A 25, 387 (2005) T.M.Shneidman, R.V.Jolos, R.Krucken, A.Aprahamian, D.Cline, J.R.Cooper, M.Cromaz, R.M.Clark, C.Hutter, A.O.Macchiavelli, W.Scheid, M.A.Stoyer, C.Y.Wu E2 transitions between positive- and negative-parity states of the ground-state alternating-parity bands RADIOACTIVITY 252Cf(SF); measured Doppler-shifted Eγ, Iγ, γγ-, (fragment)γ-coin. 144Ba deduced transitions T1/2, B(E2), transition dipole, quadrupole, and octupole moments for alternating-parity band. Gammasphere array, cluster-model analysis.
doi: 10.1140/epja/i2005-10134-y
2004AD15 Nucl.Phys. A734, 433 (2004) G.G.Adamian, N.V.Antonenko, R.V.Jolos, Yu.V.Palchikov, W.Scheid, T.M.Shneidman Manifestation of cluster effects in the structure of medium mass and heavy nuclei NUCLEAR STRUCTURE 144,146,148Ba, 146Ce; calculated alternating parity bands levels, J, π. 60Zn; calculated superdeformed band transitions branching ratios. 220,222,224,226Ra, 222,224,226,228,230,232Th, 234,236,238U; calculated dipole and quadrupole transition moments. Cluster model, comparisons with data.
doi: 10.1016/j.nuclphysa.2004.01.079
2004AD19 Phys.Rev. C 69, 054310 (2004) G.G.Adamian, N.V.Antonenko, R.V.Jolos, Yu.V.Palchikov, W.Scheid, T.M.Shneidman Decay out of superdeformed bands in the mass region A ≈ 190 within a cluster approach NUCLEAR STRUCTURE 190,192,194Hg, 192,194,196Pb; calculated superdeformed rotational band energies, decay-out probabilities. Cluster model.
doi: 10.1103/PhysRevC.69.054310
2004AD30 Yad.Fiz. 67, 1729 (2004); Phys.Atomic Nuclei 67, 1701 (2004) G.G.Adamian, N.V.Antonenko, R.V.Jolos, Yu.V.Palchikov, W.Scheid, T.M.Shneidman Nuclear Structure with the Dinuclear Model NUCLEAR STRUCTURE 232,234,236,238U, 223Ra; calculated rotational bands level energies. 226Ra; calculated B(E2). 60Zn; calculated ground-state band and superdeformed band levels, J, π. Dinuclear system approach.
doi: 10.1134/1.1806910
2004AD31 Yad.Fiz. 67, 1737 (2004); Phys.Atomic Nuclei 67, 1709 (2004) G.G.Adamian, N.V.Antonenko, R.V.Jolos, Yu.V.Palchikov, W.Scheid, T.M.Shneidman Superdeformation as Cluster State NUCLEAR STRUCTURE 190,192,194Hg; calculated normal-deformed and superdeformed bands levels, J, π, decay-out probabilities. Cluster approach.
doi: 10.1134/1.1806911
2004AD41 Phys.Rev. C 70, 064318 (2004) G.G.Adamian, N.V.Antonenko, R.V.Jolos, T.M.Shneidman Cluster interpretation of parity doublet rotational bands in odd-mass nuclei NUCLEAR STRUCTURE 151,153Pm, 153,155Eu, 221,223,225,227Ra, 223,225,227Ac, 223,229,231Th, 231Pa, 233U; calculated rotational bands level energies; 221,223,225,227Ra, 223,225,227Ac, 223,225Th, 229Pa; calculated dipole and quadrupole moments; deduced cluster features. Cluster model, comparisons with data.
doi: 10.1103/PhysRevC.70.064318
2003AD31 Acta Phys.Pol. B34, 2147 (2003) G.G.Adamian, A.V.Andreev, N.V.Antonenko, S.P.Ivanova, R.V.Jolos, W.Scheid, T.M.Shneidman Dinuclear system phenomena in nuclear structure and nuclear reactions NUCLEAR STRUCTURE 146Ba, 148Nd, 222Ra, 242Pu; calculated level energies for alternating-parity states. 194Hg, 194Pb, 234,236,238U, 236,239,240Pu, 240Am, 230,231,233Th; calculated cluster states quadrupole moments, related features. Dinuclear system approach, comparison with data.
2003AD32 Acta Phys.Pol. B34, 1729 (2003) G.G.Adamian, N.V.Antonenko, R.V.Jolos, W.Scheid, T.M.Shneidman Cluster features in reactions and structure of heavy nuclei NUCLEAR STRUCTURE 220,222,224,226Ra, 222,224,226,228,230,232Th, 236,238U; calculated levels, J, π, transition moments; deduced cluster effects. Comparison with data.
2003AD34 Acta Phys.Hung.N.S. 18, 311 (2003) G.G.Adamian, A.V.Andreev, N.V.Antonenko, S.P.Ivanova, N.Nenoff, W.Scheid, T.M.Shneidman Cluster Interpretation of Highly Deformed Nuclear States NUCLEAR STRUCTURE 194Hg, 194Pb, 236,238U, 236,239,240Pu, 240Am, 230,231,233Th, 234,236U; calculated superdeformed and hyperdeformed cluster configurations transition energies. Dinuclear system approach.
doi: 10.1556/APH.18.2003.2-4.32
2003SH02 Phys.Rev. C 67, 014313 (2003) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos, W.Scheid Cluster interpretation of properties of alternating parity bands in heavy nuclei NUCLEAR STRUCTURE 222,224,226,228,230,232Th, 220,222,224,226Ra, 240,242Pu, 232,234,236,238U, 144,146,148Ba, 146,148Ce, 146,148Nd; calculated alternating parity bands levels, J, π, electric multipole transition moments. Cluster model, comparison with data.
doi: 10.1103/PhysRevC.67.014313
2003SH04 Yad.Fiz. 66, 230 (2003); Phys.Atomic Nuclei 66, 206 (2003) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, R.V.Jolos, W.Scheid Generation of Angular Momentum of Fission Fragments in a Cluster Model RADIOACTIVITY 252Cf(SF); calculated fission fragments angular momentum for different decay channels. Dinuclear system concept, comparisons with data.
doi: 10.1134/1.1553492
2002SH20 Phys.Rev. C65, 064302 (2002) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, R.V.Jolos, W.Scheid Role of Bending Mode in Generation of Angular Momentum of Fission Fragments RADIOACTIVITY 252Cf(SF); calculated fission fragments angular momenta vs neutron multiplicity, role of bending vibrations. Dinuclear system concept, comparison with data.
doi: 10.1103/PhysRevC.65.064302
2000SH20 Nucl.Phys. A671, 119 (2000) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, W.Scheid Relationship between Dinuclear Systems and Nuclei in Highly Deformed States NUCLEAR STRUCTURE 76Kr, 152Dy, 232Th, 234U, 240Pu; calculated deformation parameters, potential energy vs mass asymmetry. 220,222,224,226,228Th; calculated octupole deformation. Dinuclear system approach.
doi: 10.1016/S0375-9474(99)00828-3
2000SH44 Yad.Fiz. 63, No 10, 1805 (2000); Phys.Atomic Nuclei 63, 1716 (2000) T.M.Shneidman, G.G.Adamian, N.V.Antonenko, S.P.Ivanova, W.Scheid Clustering Aspects of Nuclei in Highly Deformed States NUCLEAR STRUCTURE 152Dy, 240Pu, 234U, 232Th; calculated deformation, quadrupole and octupole moments, moments of inertia, potential energy vs cluster configuration; deduced superdeformed and hyperdeformed states features. Dinuclear system approach.
doi: 10.1134/1.1320140
1998AN07 Phys.Rev. C57, 1832 (1998) N.V.Antonenko, A.K.Nasirov, T.M.Shneidman, V.D.Toneev Towards Exotic Nuclei Via Binary Reaction Mechanism NUCLEAR REACTIONS 106Cd(58Ni, X), (54Fe, X), (56Fe, X), (40Ca, X), (64Zn, X), E not given; calculated yields; deduced light Sn isotopes production features. Microscopic transport model.
doi: 10.1103/PhysRevC.57.1832
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