NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = I.N.Izosimov Found 55 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
2023CH05 Phys.Rev. C 107, 014326 (2023) R.Chakma, A.Lopez-Martens, K.Hauschild, A.V.Yeremin, O.N.Malyshev, A.G.Popeko, Yu.A.Popov, A.I.Svirikhin, V.I.Chepigin, E.A.Sokol, A.V.Isaev, A.A.Kuznetsova, M.L.Chelnokov, M.S.Tezekbayeva, I.N.Izosimov, O.Dorvaux, B.Gall, Z.Asfari Investigation of isomeric states in 255Rf NUCLEAR REACTIONS 207Pb(50Ti, 2n), E=253 MeV; measured reaction products, evaporation residues (ER), Eγ, Iγ, ce, Eβ, (ER)γ-coin, ceγ-coin, (ER)←ce)-coin; deduced isomer levels population, isomeric ratios. 255Rf; deduced levels, J, π, δ, T1/2 of newly discovered isomeric states, high-spin states, configurations of isomeric states. Evaporation residues separated using the velocity filter SHELS and transported to the focal-plane detection setup - GABRIELA detector array for γ and internal conversion electrons at FLNR (JINR, Dubna). RADIOACTIVITY 255Rf(α), (SF)[from (50Ti, 2n), E=253 MeV]; measuredEα, Iα, fission fragments; deduced T1/2 of α-decay and fission, branching ratios. 255Rf(β+)(EC); deduced upper limit of β+/EC decay branch. Decay of implanted evaporation residues measured by large-area double-sided silicon strip detector (DSSD).
doi: 10.1103/PhysRevC.107.014326
2023EF01 Phys.Atomic Nuclei 86, 333 (2023) Peculiarities of Rotational Bands in Heavy and Superheavy Nuclei: Description of Yrast-Band States in 248Cm NUCLEAR STRUCTURE 248Cm; calculated energy levels, J, π, B(E2), yrast bands using the microscopic version of the IBM1, with the elementary modes and effective factorized interaction on the basis of the spherical one-particle basis.
doi: 10.1134/S106377882304018X
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
2022HA04 Eur.Phys.J. A 58, 6 (2022) K.Hauschild, A.Lopez-Martens, R.Chakma, M.L.Chelnokov, V.I.Chepigin, A.V.Isaev, I.N.Izosimov, D.E.Katrasev, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, E.A.Sokol, A.I.Svirikhin, M.S.Tezekbayeva, A.V.Yeremin, Z.Asfari, O.Dorvaux, B.J.P.Gall, K.Kessaci, D.Ackermann, J.Piot, P.Mosat, B.Andel Alpha-decay spectroscopy of 257Rf RADIOACTIVITY 257Rf(α), (IT) [from 208Pb(50Ti, n), E=240-245 MeV]; measured decay products, Eα, Iα, Eγ, Iγ; deduced α-particles energies and intensities, T1/2, J, π, decay scheme. Nilsson configurations. The detectorarray GABRIELA at the FLNR, Dubna.
doi: 10.1140/epja/s10050-021-00657-8
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
2022LO03 Phys.Rev. C 105, L021306 (2022) A.Lopez-Martens, K.Hauschild, A.I.Svirikhin, Z.Asfari, M.L.Chelnokov, V.I.Chepigin, O.Dorvaux, M.Forge, B.Gall, A.V.Isaev, I.N.Izosimov, K.Kessaci, A.A.Kuznetsova, O.N.Malyshev, R.S.Mukhin, A.G.Popeko, Yu.A.Popov, B.Sailaubekov, E.A.Sokol, M.S.Tezekbayeva, A.V.Yeremin Fission properties of 253Rf and the stability of neutron-deficient Rf isotopes RADIOACTIVITY 253Rf(SF)(α) [from 204Pb(50Ti, n), E=244 MeV];249No(α)[from 253Rf(SF)(α)];245Fm(α)[from 249No(α)]; 251No(SF)(α)[from 204Pb(48Ca, n); measured fission fragments, Eγ, Iγ, Eα, Iα, (implant)α-coin, (implant)γ-coin. 253Rf; deduced levels, J, π, T1/2 for two isomeric fissioning states, branching ratio for α-decay. 251No; deduced T1/2. 252Rf; deduced T1/2 based on extracted hindrance factor and systematics. U400 Cyclotron at the Flerov Laboratory of Nuclear Reactions in Dubna with separator for heavy element spectroscopy (SHELS). GABRIELA detector consisting of DSSD and HPGe detectors. NUCLEAR REACTIONS 204Pb(50Ti, n), E=244 MeV; measured fission fragments from 253Rf decay, Eα, Iα; deduced σ.
doi: 10.1103/PhysRevC.105.L021306
2022TE01 Eur.Phys.J. A 58, 52 (2022) M.S.Tezekbayeva, A.V.Yeremin, A.I.Svirikhin, A.Lopez-Martens, M.L.Chelnokov, V.I.Chepigin, A.V.Isaev, I.N.Izosimov, A.V.Karpov, A.A.Kuznetsova, O.N.Malyshev, R.S.Mukhin, A.G.Popeko, Yu.A.Popov, V.A.Rachkov, B.S.Sailaubekov, E.A.Sokol, K.Hauschild, H.Jacob, R.Chakma, O.Dorvaux, M.Forge, B.Gall, K.Kessaci, B.Andel, S.Antalic, A.Bronis, P.Mosat Study of the production and decay properties of neutron-deficient nobelium isotopes RADIOACTIVITY 249,250,250m,251No(α)[from 204Pb(48Ca, xn), E=225.2, 230.0, 237.0, 242.0, 246.0 MeV]; 245Fm, 245Es, 241Cf(α)[from 249No α decay]; measured decay products, Eα, Iα, (evaporation residues)α-corelations using SHELS separator and the GABRIELA detector system at FLNR-JINR-Dubna; deduced T1/2, production σ for 249No, an upper limit on the fission branch. 245Fm(EC), (β+); deduced branching ratio for ϵ+β+ decay mode. Comparison with previous experimental results.
doi: 10.1140/epja/s10050-022-00707-9
2021EF01 Phys.Atomic Nuclei 84, 408 (2021) Description of Yrast-Band States in 156Dy NUCLEAR STRUCTURE 156Dy; calculated energy levels, J, π, yrast bands using an extended microscopic version of the interacting-boson model (IBM1).
doi: 10.1134/S1063778821040116
2021EF02 Phys.Atomic Nuclei 84, 660 (2021) High-Spin States of Yrast Bands in Even Pu, Cm, Fm, and No Isotopes NUCLEAR STRUCTURE 236,238,240,242,244Pu, 242,246,248Cm; calculated energy levels, J, π, B(E2), bands; deduced the interacting-boson model (IBM1) parameters.
doi: 10.1134/S1063778821050057
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
2021KE10 Phys.Rev. C 104, 044609 (2021) K.Kessaci, B.J.P.Gall, O.Dorvaux, A.Lopez-Martens, R.Chakma, K.Hauschild, M.L.Chelnokov, V.I.Chepigin, M.Forge, A.V.Isaev, I.N.Izosimov, D.E.Katrasev, A.A.Kuznetsova, O.N.Malyshev, R.Mukhin, J.Piot, A.G.Popeko, Yu.A.Popov, E.A.Sokol, A.I.Svirikhin, M.S.Tezekbayev, A.V.Yeremin Evidence of high-K isomerism in 256102No154 RADIOACTIVITY 256,256mNo(α), 256mNo(IT)[from 238U(22Ne, 4n), E=113, 116 MeV, followed by separation of evaporation residues (ERs) using the Super Heavy ELements Separator (SHELS) at the U400 cyclotron of FLNR-JINR-Dubna]; measured Eα, Iα, Eγ, Iγ, conversion electrons, (ce)γ-coin, (recoils)α-correlations, half-lives of decays of 256No and 256mNo using the GABRIELA apparatus with time-of-flight (TOF) system, a double-sided silicon strip detector (DSSD), eight silicon strip detectors, five Compton-suppressed HPGe detectors, and a clover HPGe detector. 256No; deduced level, J, π, Kπ, first evidence of an isomer in 256No, high-K isomerism, two- and four-quasiparticle Nilsson configurations; schematics of two quasiparticles states on neutron and proton single-particle levels, based on experimental sequences of states in neighboring isotones and isotopes.
doi: 10.1103/PhysRevC.104.044609
2021SV02 Phys.Part. and Nucl.Lett. 18, 445 (2021) A.I.Svirikhin, A.V.Yeremin, N.I.Zamyatin, I.N.Izosimov, A.V.Isaev, A.A.Kuznetsova, O.N.Malyshev, R.S.Mukhin, A.G.Popeko, Y.A.Popov, E.A.Sokol, B.Sailaubekov, M.S.Tezekbayeva, M.L.Chelnokov, V.I.Chepigin, B.Andel, S.Antalic, A.Bronis, P.Mosat, B.Gall, O.Dorvaux, A.Lopez-Martens, K.Hauschild The New 249No Isotope RADIOACTIVITY 249No, 245Fm(α) [from 204Pb(48Ca, X), E=225.4 MeV]; measured decay products, Eα, Iα; deduced Q-values, T1/2, an upper limit on the fission branch. Comparison with available data. SHELS separator using the GABRIELA detector array.
doi: 10.1134/s1547477121040154
2019IZ02 Phys.Part. and Nucl.Lett. 16, 754 (2019) Quenching of Axial-Vector Weak Interaction Constant in Halo Nuclei
doi: 10.1134/s1547477119060207
2019SV01 Phys.Part. and Nucl.Lett. 16, 768 (2019) A.I.Svirikhin, A.V.Andreev, A.V.Yeremin, N.I.Zamyatin, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, M.S.Tezekbayeva, M.L.Chelnokov, V.I.Chepigin, T.M.Schneidman, B.Andel, S.Antalic, A.Bronis, P.Mosat, B.Gall, O.Dorvaux, B.M.Retailleau, K.Hauschild, A.Lopez-Martenz, P.Chauveau, E.Stefanova, D.Tonev Prompt Neutrons from Spontaneous 254Rf Fission
doi: 10.1134/S1547477119060311
2018IZ02 Phys.Part. and Nucl.Lett. 15, 621 (2018) Structure of β-decay Strength Function Sβ(E) in Halo Nuclei RADIOACTIVITY 6He(β-); calculated Gamow-Teller β- decay of nn Borromean halo nucleus 6He. 6Li(γ); calculated IAR M1 γ-decay, resonances in GT β- decay strength function of different halo nuclei (np halo tango, mixed np tango + Borromean halo structure).
doi: 10.1134/S1547477118060092
2018RE07 Phys.Rev. C 97, 054332 (2018) K.Rezynkina, A.Lopez-Martens, K.Hauschild, I.Deloncle, S.Peru, P.Brionnet, M.L.Chelnokov, V.I.Chepigin, O.Dorvaux, F.Dechery, H.Faure, B.Gall, A.V.Isaev, I.N.Izosimov, D.E.Katrasev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, A.I.Svirikhin, A.V.Yeremin Influence of octupole vibration on the low-lying structure of 251Fm and other heavy N = 151 isotones RADIOACTIVITY 255No(α)[from 48Ca(208Pb, n), E=220 MeV and from ϵ decay of 255Lr produced in 48Ca(209Bi, 2n), E=214 MeV using the VASSILISSA separator with the GABRIELA spectrometer at FLNR-JINR, Dubna]; measured Eγ, Iγ, x rays, E(ce), I(ce), Eα, αγ-coin, (ce)α-coin, isomer half-life by γ(t) using implantation silicon detector strips for conversion electrons and α detection, and HPGe detector array for γ detection. 251Fm; deduced levels, J, π, conversion coefficients, multipolarities, B(M2), B(E3), and E3/M2 mixing ratio of 5/2+ to g.s transition. Comparison with previous experimental results, and with theoretical calculations. Systematics of low-lying excited states in 245Pu, 247Cm, 249Cf, 251Fm, 253No, 255Rf. NUCLEAR STRUCTURE 246,247Cm, 248,249Cf, 250,251Fm, 252,253No, 254Rf; calculated energies of 2- phonon levels in even-A, and 5/2+ states from 2- phonon levels built on 9/2- ground states in odd-A nuclei, B(E3) using QRPA with Gogny D1M parametrization, configuration amplitudes for odd-A isotopes from QPM with Woods-Saxon potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.054332
2018SV02 Bull.Rus.Acad.Sci.Phys. 82, 632 (2018) A.I.Svirikhin, A.V.Yeremin, A.V.Andreev, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin, T.M.Schneidman, B.Gall, O.Dorvaux, P.Brione, K.Hauschild, A.Lopez-Martenz, K.Rezynkina, S.Mullins, P.Jones, P.Mosat, B.Andel, Z.Kalaninova, M.Z.Asfari, N.Yoshihiro, J.Piot, E.Stefanova, D.Tonev Short-Lived Isotopes of Transfermium Elements: Studying Characteristics of Spontaneous Fissioning RADIOACTIVITY 256Rf, 250,252No(SF)[reaction created]; calculated formation of isotopes vs energy; compared with data (short- and long-lived isomers separately). COMPILATION 236,238,240,242,244Pu, 242,244,246,248,250Cm, 249Bk, 246,250,252,254Cf, 244,246,256,258Fm, 250,252No, 256Rf, 258,260Md, 268Db(SF); 250,250m,252No; compiled average number of emitted neutrons accompanying spontaneous fission vs TKE; calculated spontaneous fission fragments TKE; compared with data.
doi: 10.3103/S1062873818060308
2017IZ01 Phys.Atomic Nuclei 80, 867 (2017) Isospin in halo nuclei: Borromean halo, tango halo, and halo isomers
doi: 10.1134/S1063778817050118
2017SV02 Phys.Part. and Nucl.Lett. 14, 571 (2017) A.I.Svirikhin, A.V.Andreev, A.V.Yeremin, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin, T.M.Schneidman, B.Gall, O.Dorvaux, P.Brione, K.Hauschild, A.Lopez-Martens, K.Rezynkina, S.Mullins, P.Jones, P.Mosat Characteristics of spontaneous fission of 250No NUCLEAR REACTIONS 204Pb(48Ca, xn), E=410-470 MeV; measured neutrons, fission fragments kinetic energy, TKEL, short-lived fragments; deduced σ vs E. 250No(SF), SF T1/2, average neutron multiplicity separately for each T1/2. 236,238,240,242,244Pu, 242,244,246,248,250Cm, 249Bk, 246,250,252,254Cf, 244,246,254,256,258Fm, 250,250m,252No, 256Rf, 258,260Md, 268Db; deduced, compiled systematics of average neutron multiplicity from SF (Spontaneous Fission) vs nucleus.
doi: 10.1134/S1547477117040161
2016SV02 Phys.Part. and Nucl.Lett. 13, 480 (2016) A.I.Svirikhin, A.V.Yeremin, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, O.N.Malyshev, A.G.Popeko, Yu.A.Popov, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin, B.Andel, M.Z.Asfari, B.Gall, N.Yoshihiro, Z.Kalaninova, S.Mullins, J.Piot, E.Stefanova, D.Tonev Spontaneous fission of 256Rf, new data RADIOACTIVITY 256Rf(SF)[from 208Pb(50Ti, 2n), E=237 MeV]; measured nuclei, Eα, Iα, fission fragments, En, In; deduced fission neutron multiplicity, spontaneous fission T1/2. COMPILATION A=236-268; compiled spontaneous fission neutron multiplicity vs mass number.
doi: 10.1134/S1547477116040129
2015RE01 Acta Phys.Pol. B46, 623 (2015) K.Rezynkina, K.Hauschild, A.Lopez-Martens, O.Dorvaux, B.Gall, F.Dechery, H.Faure, A.V.Yeremin, M.L.Chelnokov, V.I.Chepigin, A.V.Isaev, I.N.Izosimov, D.E.Katrasev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, A.I.Svirikhin, J.Piot, J.Rubert First Experimental Tests of SHELS: a New Heavy Ion Separator at the JINR NUCLEAR REACTIONS 208Pb(40Ar, xn)245Fm/246Fm, 164Dy(50Ti, xn)209Ra/210Ra/211Ra, E<220 MeV; measured reaction products, Eγ, Iγ; deduced yields.
doi: 10.5506/APhysPolB.46.623
2015SV02 Bull.Rus.Acad.Sci.Phys. 79, 442 (2015); Izv.Akad.Nauk RAS, Ser.Fiz 79, 483 (2015) A.I.Svirikhin, M.Gupta, A.V.Yeremin, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, O.N.Malyshev, S.Mullins, A.G.Popeko, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin Investigating neutron multiplicity during the spontaneous fission of short-lived isotopes (Z ≥ 100) using the VASSILISSA recoil separator RADIOACTIVITY 244,246Fm, 252No(SF); measured decay products, En, In; deduced neutron multiplicities, total kinetic energy spectra. Comparison with systematics for the average number of spontaneous fission neutrons depending on A and Coulomb parameter Z2/A1/3.
doi: 10.3103/S1062873815040310
2014LO10 Eur.Phys.J. A 50, 132 (2014) A.Lopez-Martens, K.Hauschild, K.Rezynkina, O.Dorvaux, B.Gall, F.Dechery, H.Faure, A.V.Yeremin, M.L.Chelnokov, V.I.Chepigin, A.V.Isaev, I.N.Izosimov, D.E.Katrasev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, E.A.Sokol, A.I.Svirikhin, J.Piot, J.Rubert Fine structure in the alpha decay of 224U
doi: 10.1140/epja/i2014-14132-8
2012IZ01 Phys.Atomic Nuclei 75, 1324 (2012); Yad.Fiz. 75, 1400 (2012) I.N.Izosimov, V.G.Kalinnikov, A.A.Solnyshkin Resonance structure of strength functions for first-forbidden β+/EC transitions RADIOACTIVITY 147Tb, 160Ho(β+), (EC); analyzed experimental data; deduced strength function for Gamow-Teller transition. Comparison with available data.
doi: 10.1134/S1063778812110099
2012IZ02 J.Phys.:Conf.Ser. 381, 012054 (2012) I.N.Izosimov, V.G.Kalinnikov, A.A.Solnyshkin Resonance structure of the Gamow-Teller (GT) and first-forbidden (FF) β*/EC decay strength functions RADIOACTIVITY 147Tb(β+), (EC);160Er(β+), (EC);160m,160gHo(β+), (EC), (IT); measured Eγ, Iγ, γγ(time)-coin using HPGe, Eβ, Iβ using β spectrograph; deduced β strength function for GT and for first-forbidden transitions.
doi: 10.1088/1742-6596/381/1/012054
2012SV01 Phys.Part. and Nucl.Lett. 9, 24 (2012); Pisma Zh.Fiz.Elem.Chast.Atom.Yadra No.1 (171), 43 (2012) A.I.Svirikhin, M.Gupta, A.V.Eremin, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, O.N.Malyshev, S.Mulins, A.G.Popeko, E.A.Sokol, M.L.Chelnokov, V.I.Chepihin Investigation into the neutron multiplicity of spontaneously fissioning short-lived heavy nuclei at the VASSILISSA separator RADIOACTIVITY 246Fm, 248Cm(SF); measured fission products; deduced neutron multiplicity, total kinetic energy. Systematics of average neutron number per spontaneous fission event in relation to A and Z.
doi: 10.1134/S1547477112010141
2012SV02 Eur.Phys.J. A 48, 121 (2012) A.I.Svirikhin, A.V.Andreev, V.N.Dushin, M.L.Chelnokov, V.I.Chepigin, M.Gupta, A.V.Isaev, I.N.Izosimov, D.E.Katrasev, A.N.Kuznetsov, O.N.Malyshev, S.Mullins, A.G.Popeko, E.A.Sokol, A.V.Yeremin The emission of prompt neutrons from the spontaneous fission of 252No and 244Fm RADIOACTIVITY 244Fm(SF)[from 206Pb(40Ar, 2n), E≈186 MeV];252No(SF)[from 206Pb(48Ca, 2n), E≈216 MeV]; measured spontaneous fission prompt En, In using 3He-filled counters, ER, fission fragments, Eα, Iα; calculated average TKE, average neutron multiplicity; deduced neutron multiplicity distribution, average neutron multiplicity. 244Fm deduced pre-neutron TKE.
doi: 10.1140/epja/i2012-12121-7
2011HA06 Acta Phys.Pol. B42, 605 (2011) T.W.Hagen, A.Lopez-Martens, K.Hauschild, A.V.Belozerov, M.L.Chelnokov, V.I.Chepigin, D.Curien, O.Dorvaux, G.Drafta, B.Gall, A.Gorgen, M.Guttormsen, A.V.Isaev, I.N.Izosimov, A.P.Kabachenko, D.E.Katrasev, T.Kutsarova, A.N.Kuznetsov, A.C.Larsen, O.N.Malyshev, A.Minkova, S.Mullins, H.T.Nyhus, D.Pantelica, J.Piot, A.G.Popeko, S.Saro, N.Scintee, S.Siem, E.A.Sokol, A.I.Svirikhin, A.V.Yeremin Spectroscopy of Transfermium Nuclei Using the GABRIELA Setup COMPILATION 243Pu, 245Cm, 247Cf, 249Fm, 251No; compiled low-energy level properties for N=149 isotones.
doi: 10.5506/APhysPolB.42.605
2011IZ01 Phys.Part. and Nucl.Lett. 8, 23 (2011) I.N.Izosimov, V.G.Kalinnikov, A.A.Solnyshkin Fine structure of the strength function for the β+/EC decay of the 160mHo (5.02 h) isomer RADIOACTIVITY 160Ho(β+EC); analyzed experimental data. 160Dy; deduced strength function, resonance structure for Gamow-Teller transitions.
doi: 10.1134/S1547477111010043
2011IZ02 Physics of Part.and Nuclei 42, 963 (2011) I.N.Izosimov, V.G.Kalinnikov, A.A.Solnyshkin Fine structure of strength functions for beta decays of atomic nuclei RADIOACTIVITY 124,126,128,130,132Cd, 133,134,135,136,137,138Sn(β-), 147Tb, 232Am, 240Bk, 244,248Es, 248Md, 232Pu, 240Cm, 244,248Cf, 248Fm(β+), (EC), 240Cm, 244,248Cf, 248Fm, 234Pu(SF); calculated β-delayed fission, β-transition strength functions. Comparison with TAGS experimental data.
doi: 10.1134/S1063779611060049
2011LO06 Nucl.Phys. A852, 15 (2011) A.Lopez-Martens, T.Wiborg-Hagen, K.Hauschild, M.L.Chelnokov, V.I.Chepigin, D.Curien, O.Dorvaux, G.Drafta, B.Gall, A.Gorgen, M.Guttormsen, A.V.Isaev, I.N.Izosimov, A.P.Kabachenko, D.E.Katrasev, T.Kutsarova, A.N.Kuznetsov, A.C.Larsen, O.N.Malyshev, A.Minkova, S.Mullins, H.T.Nyhus, D.Pantelica, J.Piot, A.G.Popeko, S.Saro, N.Scintee, S.Siem, N.U.H.Syed, E.A.Sokol, A.I.Svirikhin, A.V.Yeremin Spectroscopy of 253No and its daughters NUCLEAR REACTIONS 207Pb(48Ca, 2n), (48Ca, 3n), E=220 MeV; measured Eα, Iα, Eγ, Iγ, E(ce), I(ce), αγ, α(ce)-coin; deduced ICCs, multipolarities, Qα. 253No, 249Fm; deduced levels, J, π, T1/2.
doi: 10.1016/j.nuclphysa.2011.01.012
2010SV01 Eur.Phys.J. A 44, 393 (2010) A.I.Svirikhin, V.N.Dushin, M.L.Chelnokov, V.I.Chepigin, I.N.Izosimov, D.E.Katrasev, O.N.Malyshev, A.Minkova, A.G.Popeko, E.A.Sokol, A.V.Yeremin Neutron multiplicity at spontaneous fission of 246Fm RADIOACTIVITY 246Fm(SF)[from 208Pb(40Ar, 2n), E=186 MeV]; measured En, In(θ), Eα, Iα, E(particle), I(particle), (particle)n-coin; deduced neutron multiplicity, T1/2, spontaneous fission branching ratio. NUCLEAR REACTIONS 208Pb(40Ar, 2n), E=186 MeV; measured σ.
doi: 10.1140/epja/i2010-10968-0
2008IZ01 Phys.Part. and Nucl.Lett. 5, 427 (2008) I.N.Izosimov, V.G.Kalinnikov, A.A.Solnyshkin Fine structure of the strength function for β+/ EC decay of 160gHo (25.6 min) RADIOACTIVITY 160Ho(β+), (EC); analyzed β-delayed Eγ, Iγ. Deduced Gamow-Teller strength distribution.
doi: 10.1134/S154747710805004X
2004IZ02 Yad.Fiz. 67, 1901 (2004); Phys.Atomic Nuclei 67, 1876 (2004) I.N.Izosimov, A.A.Kazimov, V.G.Kalinnikov, A.A.Solnyshkin, J.Suhonen Beta-Decay Strength Measurement, Total Beta-Decay Energy Determination, and Decay-Scheme Completeness Testing by Total Absorption γ-ray Spectroscopy RADIOACTIVITY 147Tb, 156Ho(β+), (EC); measured Eγ, Eβ, βγ-coin; deduced decay strength function. Total absorption spectroscopy, comparison with previous results. NUCLEAR REACTIONS 239Pu(n, F), E not given; analyzed γ-decay heat vs time.
doi: 10.1134/1.1811194
2003IZ01 Yad.Fiz. 66, 1684 (2003); Phys.Atomic Nuclei 66, 1636 (2003) I.N.Izosimov, A.A.Kazimov, V.G.Kalinnikov, A.A.Solnyshkin, J.Suhonen Applications of the Totals Absorption γ-Ray Spectroscopy for β-Decay Study RADIOACTIVITY 147Tb, 156Ho(β+), (EC); measured Eγ, Iγ; deduced strength functions, Q(EC). Total absorption spectroscopy, comparisons with model predictions.
doi: 10.1134/1.1611572
2002IZ01 Part. and Nucl., Lett. 111, 36 (2002) I.N.Izosimov, A.A.Kazimov, V.G.Kalinnikov, A.A.Solnyshkin Determination of the Total Energy QEC for 156Ho (T1/2 ∼ 56 min) β+/EC Decay Using the Total Absorption γ-Ray Spectrometer RADIOACTIVITY 156Ho(β+), (EC) [from Ta(p, X)]; measured Eβ, Eγ, βγ-coin; deduced Q(EC). Total absorption spectrometer.
2000IZ01 Part. and Nucl., Lett. 101, 40 (2000) I.N.Izosimov, V.G.Kalinnikov, A.A.Solnyshkin, J.Suhonen Fine Structure of the MT = 1 Gamow-Teller Resonance in 147gTb → 147Gd β+/EC Decay RADIOACTIVITY 147Tb(β+)(EC) [from Ta(p, X)]; measured Eγ, Iγ, βγ-coin; deduced Gamow-Teller resonance, strength function. Total absorption spectrometer. Comparison with microscopic quasiparticle-phonon model calculations.
1999IZ01 Fiz.Elem.Chastits At.Yadra 30, 321 (1999); Phys.Part.Nucl. 30, 131 (1999) Manifestations of Nonstatistical Effects in Nuclei
1998GA35 Bull.Rus.Acad.Sci.Phys. 62, 85 (1998) Yu.P.Gangrsky, I.N.Izosimov, B.N.Markov Polarization of Nuclei by Laser Radiation in Beams of Fast Multiply Charged Ions RADIOACTIVITY 24Na(β-); 22Na(β+), (EC); measured Iγ(θ); deduced nuclear polarization. Polarization of ions with pulsed laser.
1998IZ01 J.Phys.(London) G24, 831 (1998) I.N.Izosimov, V.G.Kalinnikov, M.Yu.Myakushin, A.A.Rimsky-Korsakov, A.A.Solnyshkin, J.Suhonen, J.Toivanen Structure of the β+(EC) Decay Strength Function of 147gTb (T1/2 ≈ 1.6 h) RADIOACTIVITY 147Tb(β+)(EC) [from Ta(p, X)]; measured Eγ, Iγ, βγ-coin; deduced β-decay strength function, log ft. Total absorption spectrometry. Quasiparticle phonon model.
doi: 10.1088/0954-3899/24/4/013
1997WA04 Z.Phys. A357, 39 (1997) J.Wawryszczuk, M.B.Yuldashev, K.Ya.Gromov, V.I.Fominykh, Zh.Sereeter, V.G.Kalinnikov, N.Yu.Kotovsky, K.V.Kalyapkin, A.W.Potempa, I.N.Izosimov, M.Yu.Myakushin, A.A.Rimsky-Korsakov, T.M.Muminov Low-Spin States of 64147Gd83 in the β-Decay of 147gTb RADIOACTIVITY 147Tb(EC), (β+) [from Ta(p, X), E=660 MeV]; measured Eγ, Iγ, I(ce), γγ-coin; deduced log ft. 147Gd deduced levels, J, π, γ-multipolarity, ICC, configuration.
doi: 10.1007/s002180050211
1995IZ02 Bull.Rus.Acad.Sci.Phys. 59, 18 (1995) I.N.Izosimov, I.V.Vorykhalov, A.A.Rimsky-Korsakov Production and Investigation of Ionized Cluster by Means of Laser Radiation
1994BE49 Nucl.Instrum.Methods Phys.Res. A346, 196 (1994) R.Beraud, A.Emsallem, A.Astier, R.Bouvier, R.Duffait, Y.Le Coz, S.Morier, A.Wojtasiewicz, Yu.A.Lazarev, I.V.Shirokovsky, I.N.Izosimov, D.Barneoud, J.Genevey, A.Gizon, R.Guglielmini, G.Margotton, J.L.Vieux-Rochaz Development of a New SARA/IGISOL Technique for the Study of Short-Lived Products from Heavy-Ion-Induced Fusion-Evaporation Reactions NUCLEAR REACTIONS 116Cd(40Ar, 6n), E not given; measured residual yield vs He pressure. New ion guide chamber.
doi: 10.1016/0168-9002(94)90704-8
1993IZ01 Bull.Rus.Acad.Sci.Phys. 57, 27 (1993) Structure of the Strength Function for β(*)(EC)-Decay and Delayed Fission of Preactinide Nuclei RADIOACTIVITY 180Tl, 174Au, 188,190Bi(β+), (EC); calculated decay strength function. 180mHg, 174Pt; calculated β-delayed fission probability.
1992IZ01 Bull.Rus.Acad.Sci.Phys. 56, 88 (1992) Structure of the β-Decay Strength Function and Delayed Fission of 232Fr RADIOACTIVITY 232Fr(β-); calculated β-decay strength function, delayed fission probability; deduced 232Ra fission barrier height. Source deformation not included, single quasiparticle Hamiltonian, charge exchange interactions.
1990IZ01 J.Radioanal.Nucl.Chem. 143, 93 (1990) I.N.Izosimov, L.A.Pleskachevsky, A.A.Rimsky-Korsakov, A.V.Stepanov, S.V.Khlebnikov, S.K.Cherezov, Yu.P.Gangrsky, B.N.Markov Precise Measurement of the Hyperfine Splitting and Isotope Shift of 8S7/2 → 10P9/2 Transition in 241Am and 243Am Atoms RADIOACTIVITY 241,243Am; measured hfs, isotope shift; deduced μ, quadrupole moment, rms radii differences. Laser fluorescent spectroscopy, high resolution.
doi: 10.1007/BF02117551
1989GA25 Zh.Eksp.Teor.Fiz. 96, 791 (1989); Sov.Phys.JETP 69, 449 (1989) Yu.P.Gangrsky, Ch.Gradechny, D.F.Zaretsky, I.N.Izosimov, A.V.Kozlinsky, B.N.Markov, Yu.V.Naumov Rapid Nuclear Polarization by Pulsed Lasers RADIOACTIVITY 24Na(β-); 22Na(β+), (EC); measured γ(θ), anisotropy; deduced nuclear polarization. Nuclear orientation by tunable dye laser.
1989IZ01 Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 2451 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.12, 175 (1989) Angular Distribution of γ-Rays in the 58,60,62Ni(p, γ)59,61,63Cu Reaction NUCLEAR REACTIONS 58,60,62Ni(p, γ), E=5 MeV; measured γ(θ). Statistical model analysis.
1988IZ01 Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 72 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.1, 67 (1988) I.N.Izosimov, O.E.Kraft, S.S.Parzhitsky, V.M.Sigalov, I.V.Sizov Proton Resonances in 60Ni(p, γ) NUCLEAR REACTIONS 60Ni(p, γ), E=1.931-2.455 MeV; measured γ(θ), γ spectra. 61Cu deduced resonances, J, π, δ.
1988IZ02 Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 77 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.1, 71 (1988) I.N.Izosimov, S.S.Parzhitsky, I.V.Sizov B(E2)-B(M1) Correlation in Ni(p, γ)Cu NUCLEAR REACTIONS 58,62Ni(p, γ), E ≈ 2.2-2.7 MeV; measured γ(θ). 63,59Cu deduced resonance decay B(λ) correlation.
1986IZ01 Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 1952 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.10, 80 (1986) I.N.Izosimov, O.E.Kraft, Yu.V.Naumov, V.M.Sigalov Strength Function of Proton Resonance in (p, γ) Reaction NUCLEAR REACTIONS 60,62Ni(p, γ), E=1900-3200 keV; analyzed data; deduced γ-multipolarity, P-resonance strength functions.
1979KL08 Z.Phys. A292, 249 (1979) H.V.Klapdor, C.-O.Wene, I.N.Izosimov, Y.W.Naumow Determination of Fission Barrier Heights from β-Delayed Fission RADIOACTIVITY 232Ac, 232Pu, 240Cm, 244Cf, 248Cf, 248Fm; calculated β strength function. 237Pu, 244Cf, 248Fm deduced β-delayed fission branching ratios.
doi: 10.1007/BF01547469
1978IZ04 Izv.Akad.Nauk SSSR, Ser.Fiz. 42, 2248 (1978); Bull.Acad.Sci.USSR, Phys.Ser. 42, No.11, 25 (1978) Influence of the Structure of the Strength Function of β Transitions On the Probability of Delayed Fission of 236U and 238U RADIOACTIVITY 236,238Pa; calculated Gamow-Teller β-decay strength function. 236,238U deduced probability of delayed fission.
1978KL09 Phys.Lett. 78B, 20 (1978) H.V.Klapdor, C.O.Wene, I.N.Izosimov, Y.W.Naumow The Structure of the Beta Strength Function in Heavy Nuclei and its Influence on β-Delayed Fission RADIOACTIVITY 236,238Pa; calculated shape of β strength function.
doi: 10.1016/0370-2693(78)90337-4
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