NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.E.Barzakh Found 76 matches. 2024SK01 Phys.Rev. C 109, 024315 (2024) Reexamination of nuclear magnetic dipole and electric quadrupole moments of polonium isotopes
doi: 10.1103/PhysRevC.109.024315
2024YU02 Phys.Lett. B 849, 138452 (2024) Z.Yue, A.N.Andreyev, A.E.Barzakh, I.N.Borzov, J.G.Cubiss, A.Algora, M.Au, M.Balogh, S.Bara, R.A.Bark, C.Bernerd, M.J.G.Borge, D.Brugnara, K.Chrysalidis, T.E.Cocolios, H.De Witte, Z.Favier, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, R.Grzywacz, R.Heinke, A.Illana, P.M.Jones, D.S.Judson, A.Korgul, U.Koster, M.Labiche, L.Le, R.Lica, M.Madurga, N.Marginean, B.Marsh, C.Mihai, E.Nacher, C.Neacsu, C.Nita, B.Olaizola, J.N.Orce, C.A.A.Page, R.D.Page, J.Pakarinen, P.Papadakis, G.Penyazkov, A.Perea, M.Piersa-Silkowska, Zs.Podolyak, S.D.Prosnyak, E.Reis, S.Rothe, M.Sedlak, L.V.Skripnikov, C.Sotty, S.Stegemann, O.Tengblad, S.V.Tolokonnikov, J.M.Udias, P.Van Duppen, N.Warr, W.Wojtaczka Magnetic moments of thallium isotopes in the vicinity of magic N=126 NUCLEAR MOMENTS 207,209Tl; measured frequencies; deduced magnetic dipole moments. Comparison with the self-consistent theory of finite Fermi systems based on the energy density functional. The in-source laser resonance-ionization spectroscopy technique with the Laser Ion Source and Trap (LIST) at ISOLDE (CERN).
doi: 10.1016/j.physletb.2024.138452
2023CU04 Phys.Rev.Lett. 131, 202501 (2023) J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, P.Van Duppen, S.Hilaire, S.Peru, S.Goriely, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, M.Huyse, N.Imai, D.T.Joss, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, G.G.O'Neill, R.D.Page, S.D.Prosnyak, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, L.V.Skripnikov, A.Stott, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Deformation versus Sphericity in the Ground States of the Lightest Gold Isotopes NUCLEAR MOMENTS 176,177,178,179,180,181,182,183,187,191,193,195Au [from U(p, X), E=1.4 GeV]; measured frequencies; deduced mean-squared charge radii, ground-state deformations, nuclear magnetic moments. Comparison with available data. The in-source, resonance-ionization laser spectroscopy technique, at the ISOLDE facility (CERN).
doi: 10.1103/PhysRevLett.131.202501
2023DE06 Phys.Rev. C 107, 024307 (2023) Yu.A.Demidov, M.G.Kozlov, A.E.Barzakh, V.A.Yerokhin Bohr-Weisskopf effect in the potassium isotopes ATOMIC PHYSICS K; calculated hyperfine structure constants taking into account the Bohr-Weisskopf and Breit-Rosenthal effects. Dirac-Hartree-Fock, Dirac-Hartree-Fock plus second order many-body perturbation theory (MBPT), and Dirac-Hartree-Fock plus linearized single double coupled-clusters methods. Comparison to experimental results obtained for 39K. NUCLEAR MOMENTS 38,44,46,47,48,49,51K; analyzed experimental data on hyperfine structure constants; deduced nuclear magnetic moments with taking into account corrections caused by relative hyperfine anomaly.
doi: 10.1103/PhysRevC.107.024307
2022HU09 Phys.Lett. B 833, 137345 (2022) H.Huang, W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, Z.H.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, J.G.Li, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Yu, F.F.Zeng, X.H.Zhou First observation of the decay of the 13/2+ isomer in 183Hg and B(M2) systematics of neutron transitions across the nuclear chart RADIOACTIVITY 183Hg(α) [from 187Pb α decay]; 187mPb(α) [from 142Nd(50Cr, 3n2pγ), E=255 MeV, followed by separation of fragments using Argonne gas-filled analyzer (AGFA) at the ATLAS-ANL facility]; measured reaction products, evaporation residues (EVRs), Eα, Iα, (EVR)α-correlations, αγ(t), Eγ, Iγ, x rays, T1/2 using double-sided silicon strip detector (DSSD), and four HPGe clover detectors. 183,183mHg; deduced levels, isomer, J, π, T1/2 of g.s. and isomer, α branching ratio, K-conversion coefficient, multipolarity, B(M2), Nilsson configurations. 187mPb; deduced T1/2. Systematics of decay schemes of 13/2+ isomers in 175,177,179,181,183,185Hg. Systematics of B(M2) values for 7/2-, 9/2+, 11/2- and 13/2+ isomers in even-Z, odd-N nuclei: 25Mg, 33Si, 33,35S, 37Ar, 39Ca, 59Cr, 61Fe, 63,67Ni, 63,65,67Zn, 67,69,71Ge, 69,71Se, 97,99Mo, 99,101,103Ru, 103,105Pd, 107,109Cd, 109,111,113,115Sn, 153Yb, 161Hf, 163W, 163Os, 171,189,191Pt, 181,183,201,203,205Hg, 209Pb, 205,207,211Po, 207,209,213Rn, 209,211Ra, 211,213Th.
doi: 10.1016/j.physletb.2022.137345
2022VE01 Phys.Rev. C 105, 034338 (2022) M.Venhart, A.N.Andreyev, J.G.Cubiss, J.L.Wood, A.E.Barzakh, C.Van Beveren, T.E.Cocolios, R.P.de Groote, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.Ghys, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, T.J.Procter, E.Rapisarda, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, P.Van Duppen, M.Veselsky Decay modes of the 9/2- isomeric state in 183Tl RADIOACTIVITY 183mTl(IT), (α)[from U(p, F), E=1.4 GeV]; measured Eg, Iγ, ce, Eα, Iα, γγ-coin, ceγ-coin, αγ-coin; deduced branching ratios, T1/2, reduced transition widths and hindrance factor for α-decay branch. 183Tl; deduced levels, J, π, δ, ICC, B(E3). Systematics of 9/2- isomers in neutron-deficient odd-mass Tl isotopes. Comparison to 182mHg decay and other experimental data. Selective laser resonance ionization and mass separation at ISOLDE (CERN).
doi: 10.1103/PhysRevC.105.034338
2022ZH22 Phys.Lett. B 829, 137129 (2022) W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, D.T.Doherty, A.E.Barzakh, P.Van Duppen, J.G.Cubiss, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, B.Ding, Z.Favier, F.Giacoppo, T.H.Huang, X.H.Yu, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Zhou First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic 187Pb NUCLEAR REACTIONS 142Nd(50Cr, 3n2p)187Pb, E=255 MeV beam from ATLAS-ANL facility, followed by separation of evaporation residues (EVRs) using Argonne Gas-Filled Analyzer; measured Eα, Eγ, Iγ, x rays, αγ-coin, γγ-coin, T1/2 of a new low-energy microsec-isomer by αγ(t) using Gammasphere for γ detection and double-sided silicon strip detector (DSSD) for EVRs and α particles. Recoil-decay tagging (RDT) and isomer-decay tagging (IDT) methods. 187Pb; deduced high-spin levels, J, π, isomer, K-conversion coefficient, multipolarity, bands, B(E2), B(M1)/B(E2), triple-shape coexistence at low energy. Comparison with band structure in 185Hg. Systematics of aligned angular momenta plots and experimental Routhians for bands in 183,185Hg, 187Pb. 184Hg, 186Pb, 187Tl; observed γ rays. 186,187m,188Pb; observed α-decay peaks.
doi: 10.1016/j.physletb.2022.137129
2022ZH46 Phys.Rev. C 106, 024317 (2022) W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, M.Al Monthery, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, X.H.Yu, Q.B.Zeng, X.H.Zhou Identification of excited states in 188Bi and 188Po NUCLEAR REACTIONS 142Nd(50Cr, 3np)188Bi, (50Cr, 4n)188Po, E=255 MeV; measured evaporation residues (EVRs), Eα, Eγ, Iγ, x rays, (EVR)γ-coin, αγ-coin, γγ-coin, using four clover HPGe detectors, Gammasphere array with 64 Compton-suppressed HPGe detectors, and DSSD and DSSD+Sibox at the ATLAS-ANL accelerator facility. 186,187,187m,188Pb, 189,189mBi; deduced recoil-decay tagging (RDT) γ-ray yields. 188Bi; deduced levels, J, π, isomer, T1/2 and decay modes of isomer, K-conversion coefficients, multipolarities, configurations. 188Po; deduced energy of the first 2+ level. 186Pb; deduced levels, J, π. 183,184,186Hg, 186,187,187m,188Pb, 188,189,189mBi; observed Eα. Systematics of 9/2-, 1/2+, 7/2- and 13/2+ level energies in 185,187,189,191,193,195Bi, and those of first 2+, 4+, 6+ and 8+, second 0+, 2+ and 4+ in 188,190,192,194,196,198,200,202,204,206,208,210Po.
doi: 10.1103/PhysRevC.106.024317
2021DA01 Phys.Rev.Lett. 126, 032502 (2021) T.Day Goodacre, A.V.Afanasjev, A.E.Barzakh, B.A.Marsh, S.Sels, P.Ring, H.Nakada, A.N.Andreyev, P.Van Duppen, N.A.Althubiti, B.Andel, D.Atanasov, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, P.L.Molkanov, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya, K.Zuber Laser Spectroscopy of Neutron-Rich 207, 208Hg Isotopes: Illuminating the Kink and Odd-Even Staggering in Charge Radii across the N = 126 Shell Closure NUCLEAR MOMENTS 202,203,206,207,208Hg; measured frequencies; deduced hyperfine spectra, mean-square charge radii. Comparison with relativistic Hartree-Bogoliubov and nonrelativistic Hartree-Fock-Bogoliubov approaches, available data.
doi: 10.1103/PhysRevLett.126.032502
2021DA16 Phys.Rev. C 104, 054322 (2021) T.Day Goodacre, A.V.Afanasjev, A.E.Barzakh, L.Nies, B.A.Marsh, S.Sels, U.C.Perera, P.Ring, F.Wienholtz, A.N.Andreyev, P.Van Duppen, N.A.Althubiti, B.Andel, D.Atanasov, R.S.Augusto, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, A.Gottberg, M.Huyse, S.Kreim, P.Kunz, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, T.M.Medonca, P.L.Molkanov, M.Mougeot, J.P.Ramos, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, R.N.Wolf, A.Zadvornaya, K.Zuber Charge radii, moments, and masses of mercury isotopes across the N=126 shell closure NUCLEAR MOMENTS 198,202,203,206,207,208Hg; measured hyperfine structure spectra using Versatile Arc Discharge and Laser Ion Source (VADLIS) in CERN-ISOLDE Resonance Ionization Laser Ion Source (RILIS) mode; deduced isotope shifts (δν) and charge radii (δ<r2) with respect to 198Hg, hyperfine factors a and b, static magnetic dipole (μ) and electric quadrupole (Q) moments for the ground states of 203Hg and 207Hg, Comparison of g factors with Schmidt values for 207Hg, 209Pb, 210Bi and 211Po, and charge radii, and odd-even staggering (OES) of the mean square charge radii with relativistic Hartree-Bogoliubov (RHB) calculations using DD-ME2, DD-MEδ, DD-PC1 and NL3* covariant energy-density functionals for 197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214Pb, 201,202,203,204,205,206,207,208,209,210Hg. Source of Hg isotopes were produced in Pb(p, X), E=1.4 GeV reaction, and using VADLIS+RILIS ion source, followed by separation of fragments using ISOLDE General Purpose Separator. 183,184,185,202,203,206,207,208Hg; measured ionization and release efficiency as a function of the half-life of mercury isotopes from a molten lead target, and compared with ABRABLA, FLUKA, and GEANT4 simulations. ATOMIC MASSES 206,207,208Hg, 208Pb; measured time-of-flight ion-cyclotron resonances, with reference to 208Pb using the RILIS+VADIS ion source and ISOLTRAP MR-ToF mass spectrometer (MS) at CERN-ISOLDE; deduced mass excesses for 206,207,208Hg, and compared with AME2020 values.
doi: 10.1103/PhysRevC.104.054322
2021HA32 Phys.Rev. C 104, 024326 (2021) R.D.Harding, A.N.Andreyev, A.E.Barzakh, J.G.Cubiss, P.Van Duppen, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, T.E.Cocolios, T.Day Goodacre, K.Dockx, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, J.D.Johnson, D.T.Joss, M.Huyse, N.Imai, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, G.G.O'Neill, R.D.Page, R.E.Rossel, S.Rothe, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen Laser-assisted nuclear decay spectroscopy of 176, 177, 179Au RADIOACTIVITY 179Au(α), (EC), (β+); 177,177m,176,176mAu, 176,177,179Pt, 173,173m,172,172mIr(α)[179,177,176Au laser ionized and mass-separated beams from U(p, X), E=1.4 GeV, followed by separation of products using Resonance Ionization Laser Ion Source (RILIS) and General Purpose Separator (GPS) at the Windmill decay station of ISOLDE-CERN facility]; measured Eα, Iα, K-x rays, Eγ, Iγ, αγ-coin. 179Pt, 175,173,172Ir, 175Os, 169,168Re; deduced levels, J, π, α-hindrance factors, reduced α-widths, conversion coefficients, multipolarities. 176,176mAu; deduced α-decay branching ratios for the low-spin and high-spin states. 179Au; measured half-life of the decay of the ground state. Systematics of α-reduced widths for 171,173,175,176,177,179Au α decays. NUCLEAR MOMENTS 176,176mAu; measured in-source laser spectroscopy of hyperfine structure; deduced nuclear magnetic moments, spins and configurations for the high- and low-spin states.
doi: 10.1103/PhysRevC.104.024326
2021SK01 Phys.Rev. C 104, 034316 (2021) L.V.Skripnikov, A.V.Oleynichenko, A.V.Zaitsevskii, D.E.Maison, A.E.Barzakh Relativistic Fock space coupled-cluster study of bismuth electronic structure to extract the Bi nuclear quadrupole moment NUCLEAR MOMENTS 209Bi; calculated electric field gradient for the ground and excited electronic states of neutral bismuth; deduced nuclear quadrupole moment (NQM) for 209Bi from field gradient in the present work and available atomic hyperfine splittings, compared with value from molecular data. Fock space coupled-cluster method with single, double, and triple amplitudes (FS-CCSDT) method within the Dirac-Coulomb-Breit Hamiltonian. 202,203,204,205,206,207,208,210,210m,212,213Bi; deduced improved nuclear quadrupole moments by using measured electric quadrupole hyperfine constants 'B' for ground electronic states, and considering uncertainties for electric-field gradients (EFGs); deduced crucial importance of inclusion of triple cluster amplitudes.
doi: 10.1103/PhysRevC.104.034316
2020BA17 Phys.Rev. C 101, 034308 (2020) A.E.Barzakh, D.Atanasov, A.N.Andreyev, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, J.G.Cubiss, P.Van Duppen, T.Day Goodacre, A.de Roubin, Yu.A.Demidov, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, D.T.Joss, F.Herfurth, M.Huyse, N.Imai, M.G.Kozlov, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, R.D.Page, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Hyperfine anomaly in gold and magnetic moments of Iπ = 11/2- gold isomers NUCLEAR MOMENTS 177m,191m,193m,195mAu; measured hyperfine structure spectra (hfs), hyperfine splitting, differential hyperfine anomaly, magnetic dipole moments using in-source laser resonance-ionization spectroscopy (RILIS) at CERN-ISOLDE. Mass separated Au beams were produced in U(p, X), E=1.4 GeV reaction, and delivered to either the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer (MR-ToF MS) or the Windmill (WM) decay station. Comparison to the previously measured magnetic moments. 185,186,187,189,189m,191,193,194Au; re-evaluated previously measured magnetic dipole moments by properly accounting for the hyperfine anomaly.
doi: 10.1103/PhysRevC.101.034308
2020BA29 Phys.Rev. C 101, 064321 (2020) A.E.Barzakh, D.Atanasov, A.N.Andreyev, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, J.G.Cubiss, P.Van Duppen, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, M.Huyse, N.Imai, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Shape coexistence in 187Au studied by laser spectroscopy NUCLEAR MOMENTS 187,187mAu; measured hyperfine-structure (hfs) spectrum, time-of-flight of the 9/2- isomer of 187Au using ISOLTRAP's multireflection time-of-flight mass separator (MR-ToF-MS) and resonance-ionization laser spectroscopy technique at CERN-ISOLDE. 187mAu; deduced hfs parameters, isotope shift, mean-square charge radius, magnetic moment, shape coexistence, Nilsson configuration. 187,187mAu produced in U(p, F), E=1.4 GeV reaction, and separated in mass-to-charge ratio using the General Purpose Separator (GPS) of ISOLDE. Systematics of changes in mean-square charge radii for A=183-199 Au isotopes. Systematics of magnetic moments of the 9/2-, πh9/2 states in Bi, Th, Au and Fr isotopes.
doi: 10.1103/PhysRevC.101.064321
2020CU02 Phys.Rev. C 101, 014314 (2020) J.G.Cubiss, R.D.Harding, A.N.Andreyev, N.Althubiti, B.Andel, S.Antalic, A.E.Barzakh, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, L.P.Gaffney, L.Ghys, M.Huyse, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, R.E.Rossel, S.Rothe, M.D.Seliverstov, S.Sels, P.Spagnoletti, C.Van Beveren, P.Van Duppen, M.Veinhard, E.Verstraelen, A.Zadvornaya α-decay branching ratio of 180Pt RADIOACTIVITY 180Pt(α)[from 180Hg to 180Au to 180Pt EC decay chain, 180Hg from Pb(p, X), E=1.4 GeV at ISOLDE-CERN, followed by a three-step, resonance laser ionization]; measured Eα, Iα; deduced α branching ratio, reduced α width for g.s. to g.s. transition. Comparison with earlier experimental results. 180Hg, 180Au, 176Pt, 172Os(α); measured Eα in the decay chains starting from 180Hg. Systematics of reduced α-decay widths for g.s. to g.s. α transitions in N(even)=88-112 Pt, N(even)=90-108 Hg and N(even)=96-112 Pb isotopes.
doi: 10.1103/PhysRevC.101.014314
2020CU04 Phys.Rev. C 102, 044332 (2020) J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, V.Manea, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, F.Herfurth, M.Huyse, N.Imai, D.T.Joss, S.Kreim, D.Lunney, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, G.G.O'Neill, R.D.Page, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, A.Stott, C.Van Beveren, P.Van Duppen, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Laser-assisted decay spectroscopy and mass spectrometry of 178Au NUCLEAR MOMENTS 178,178mAu; measured hyperfine structure spectrum using multireflection time-of-flight mass spectrometer (MR-ToF MS) at CERN-ISOLDE; deduced spins based on hyperfine structure intensity patterns, magnetic dipole moments, Nilsson configurations. ATOMIC MASSES 178,178mAu; measured cyclotron frequency using time-of-flight ion-cyclotron (TOF-ICR) technique using Penning-trap system of ISOLTRAP at CERN-ISOLDE; deduced mass excesses, and excitation energy of the isomer in 178Au. RADIOACTIVITY 178,178mAu(α), (EC), (β+)[from U(p, X), E=1.4 GeV, followed by laser ionization and separation by mass-to-charge ratio using the GPS, then transported to Windmill (WM) system]; 178Pt(α)[from 178Au ϵ decay]; measured Eα, Iα, Eγ, Iγ, αγ-coin, α(x rays)-coin, half-lives of decays of 178Au and 178mAu using Si detectors for α particles and LEGe detector for γ rays. 178,178mAu; deduced branching ratios for α and ϵ decay modes, reduced α-decay widths, α-hindrance factors (HF), Nilsson configurations. 174,174mIr; deduced levels, J, total conversion coefficient for 56.8-keV transition in 174Ir, multipolarities, configurations, energy of the isomer. 174Ir(α)[from 178Au α decay]; measured αγ-coin. 170Re; deduced possible isomer in 170Re.
doi: 10.1103/PhysRevC.102.044332
2020HA24 Phys.Rev. C 102, 024312 (2020) R.D.Harding, A.N.Andreyev, A.E.Barzakh, D.Atanasov, J.G.Cubiss, P.Van Duppen, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, D.T.Joss, F.Herfurth, M.Huyse, N.Imai, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, R.D.Page, A.Pastore, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Laser-assisted decay spectroscopy for the ground states of 180, 182Au NUCLEAR MOMENTS 180,182Au; measured hyperfine structure spectra, magnetic moments of the ground states using the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer and laser spectroscopy at ISOLDE, CERN; deduced J, π, Nilsson configurations of ground states. Comparison with theoretical magnetic moments, and with previous experimental results. Laser-ionized and mass-separated 180,182Au isotopes formed in 238U(p, X), E=1.4 GeV spallation reaction. RADIOACTIVITY 180Au(α), (β+)[from 238U(p, X), E=1.4 GeV, followed by separation using RILIS, General purpose separator (GPS) at ISOLDE-CERN]; measured Eα, Iα, Eγ, Iγ, I(x rays), αγ- and γγ-coin, half-life of 180Au decay. 176Ir; deduced levels, J, π, α-branching ratio, total conversion coefficients, multipolarities, α-hindrance factors.
doi: 10.1103/PhysRevC.102.024312
2019BA22 Phys.Rev. C 99, 054317 (2019) A.E.Barzakh, J.G.Cubiss, A.N.Andreyev, M.D.Seliverstov, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, P.Van Duppen, Y.Wakabayashi, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in 217, 218, 219At revealed by in-source laser spectroscopy NUCLEAR MOMENTS 217,218,219At; measured hyperfine structure spectra, isotopic shifts, and hyperfine splitting constants using in-source resonance-ionization technique at CERN-ISOLDE; deduced magnetic dipole and electric quadrupole moments, changes in nuclear mean-square charge radii, octupole collectivity. 217,218,219At isotopes produced in U(p, X), E=1.4 GeV reaction. Systematics of g factors in 209,211,213Bi, 211,217,219At, 213,219,221,223,225Fr, 215,217,227Ac, changes in rms charge radii for 207,208,209,210,211,217,218,219At, shell-effect parameters in Pb, Bi, Po, At, Rn, Fr, Ra, Ac isotopes, and odd-even staggering in 205,207,209,211Pb, 207,209,217Po, 208,210,218At, 210,212,220,222,224,226Fr, 219,221Rn, 221,223,225,227Ra.
doi: 10.1103/PhysRevC.99.054317
2019CU02 Phys.Rev. C 99, 064317 (2019) J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, B.Andel, S.Antalic, T.E.Cocolios, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.P.Gaffney, L.Ghys, M.Huyse, Z.Kalaninova, U.Koster, B.A.Marsh, P.L.Molkanov, R.E.Rossel, S.Rothe, M.D.Seliverstov, S.Sels, A.M.Sjodin, M.Stryjczyk, V.L.Truesdale, C.Van Beveren, P.Van Duppen, G.L.Wilson Fine structure in the α decay of 218At RADIOACTIVITY 218At(α)[from U(p, F), E=1.4 GeV, followed by selective ionization of 218At using RILIS at CERN-ISOLDE facility]; measured Eα, Iα, Eγ, Iγ, αγ-coin, half-life of 218At decay using silicon detectors for α detection and low-energy Ge detector for γ detection. 214Bi; deduced levels, J, π, α feedings, α hindrance factors. 218At; deduced J, π. Systematics of low-lying level energies in 210,212,214Bi, 212,214,216At, and α hindrance factors in the decays of 214,216,218At, 216Fr. Comparison with theoretical predictions, and with previous experimental results.
doi: 10.1103/PhysRevC.99.064317
2019SE04 Phys.Rev. C 99, 044306 (2019) S.Sels, T.Day Goodacre, B.A.Marsh, A.Pastore, W.Ryssens, Y.Tsunoda, N.Althubiti, B.Andel, A.N.Andreyev, D.Atanasov, A.E.Barzakh, M.Bender, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, J.Dobaczewski, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, P.-H.Heenen, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, T.M.Medonca, P.L.Molkanov, T.Otsuka, J.P.Ramos, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, P.Van Duppen, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya Shape staggering of midshell mercury isotopes from in-source laser spectroscopy compared with density-functional-theory and Monte Carlo shell-model calculations NUCLEAR MOMENTS 177,178,179,180,181,182,183,184,185,185mHg; measured hyperfine structure (hfs) spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method combined with decay spectroscopy, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE facility; deduced magnetic dipole moments, and spectroscopic quadrupole moments, configurations. Comparison with theoretical calculations using density functional theory (DFT) with Skyrme parametrizations, and Monte Carlo shell model (MCSM). Ions of Hg activities produced in Pb(p, X), E=1.4 GeV, using molten lead target. NUCLEAR REACTIONS Pb, U(p, X)177Hg/178Hg/179Hg/180Hg/181Hg/182Hg/183Hg/184Hg/185Hg/185mHg, E=1.4 GeV from PS-Booster synchrotron; measured production yields for different target-ion source configurations: VADLIS or RILIS at CERN-ISOLDE facility.
doi: 10.1103/PhysRevC.99.044306
2018BA03 Phys.Rev. C 97, 014322 (2018) A.E.Barzakh, D.V.Fedorov, V.S.Ivanov, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, M.D.Seliverstov, Yu.M.Volkov Shell effect in the mean square charge radii and magnetic moments of bismuth isotopes near N=126 NUCLEAR MOMENTS 211,213Bi; measured hyperfine splittings, isotope shifts, using in-source resonance ionization spectroscopy at the laser-nuclear complex of the Investigation of Radioactive Isotopes on Synchrocyclotron (IRIS) facility at Petersburg Nuclear Physics Institute (PNPI) synchrocyclotron; deduced hfs constants, changes in rms radii, magnetic dipole and electric quadrupole moments. Systematics of magnetic dipole moments and changes in charge radii for nuclei near N=126.
doi: 10.1103/PhysRevC.97.014322
2018CU02 Phys.Rev. C 97, 054327 (2018) J.G.Cubiss, A.E.Barzakh, M.D.Seliverstov, A.N.Andreyev, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, P.Van Duppen, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber Charge radii and electromagnetic moments of 195-211At NUCLEAR MOMENTS 195,195m,196,197,197m,198,198m,199,199m,200,200m,201,202,202m,203,204,205,206,207,208,209,210,211At; measured hfs spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE; deduced magnetic dipole moments and spectroscopic quadrupole moments, configurations, and quadrupole deformation parameters. 206At; deduced J. Detailed systematics of magnetic dipole moments, spectroscopic quadrupole moments, deformations, and rms charge radii in Hg, Tl, Pb, Bi, Po, At, Fr, Ra and Ac nuclei. Comparison with theoretical calculations using multiconfiguration Dirac-Hartree-Fock (MCDHF) method. NUCLEAR REACTIONS U(p, X)195At/195mAt/196At/197At/197mAt/198At/198mAt/199At/199mAt/200At/200m1At/200m2At/201At/202At/202mAt/203At/204At/205At/206At/207At/208At/209At/210At/211At, E=1.4 GeV; produced radioactive astatine isotopes by spallation reaction with beam from CERN PS Booster impinging on a thick UCx target, followed by injection into a hot cavity of the Resonance Ionization Laser Ion Source (RILIS), and ionization by a three-step photoionization scheme.
doi: 10.1103/PhysRevC.97.054327
2018CU04 Phys.Lett. B 786, 355 (2018) J.G.Cubiss, A.E.Barzakh, A.N.Andreyev, M.Al Monthery, N.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.P.Gaffney, L.Ghys, A.Gredley, R.D.Harding, F.Herfurth, M.Huyse, N.Imai, D.T.Joss, U.Koster, S.Kreim, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, P.Mosat, D.Neidherr, G.G.O'Neill, R.D.Page, T.J.Procter, E.Rapisarda, M.Rosenbusch, S.Rothe, K.Sandhu, L.Schweikhard, M.D.Seliverstov, S.Sels, P.Spagnoletti, V.L.Truesdale, C.Van Beveren, P.Van Duppen, M.Veinhard, M.Venhart, M.Veselsky, F.Wearing, A.Welker, F.Wienholtz, R.N.Wolf, S.G.Zemlyanoy, K.Zuber Change in structure between the I=1/2 states in 181Tl and 177, 179Au RADIOACTIVITY 181Tl(α) [from U(p, X), E=1.4 GeV]; measured decay products, Eα, Iα; deduced α-decay branching ratio and T1/2. Comparison with available data. NUCLEAR MOMENTS 177,179Au; measured frequencies; deduced hyperfine spectra, magnetic dipole moments, J assignments of the ground states.
doi: 10.1016/j.physletb.2018.10.005
2018PA10 Physics of Part.and Nuclei 49, 75 (2018) V.N.Panteleev, A.E.Barzakh, L.Kh.Batist, D.V.Fedorov, V.S.Ivanov, S.A.Krotov, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, Yu.M.Volkov Target development for 67Cu, 82Sr radionuclide production at the RIC-80 facility
doi: 10.1134/S1063779618010318
2018PI07 Acta Phys.Pol. B49, 523 (2018) M.Piersa, A.Korgul, L.M.Fraile, J.Benito, E.Adamska, R.Alvarez, A.E.Barzakh, G.Benzoni, T.Berry, M.J.G.Borge, M.Carmona, K.Chrysalidis, G.Correia, C.Costache, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, G.Fernandez-Martinez, M.Fila, D.Galaviz, R.Grzywacz, C.Henrich, A.Illana, Z.Janas, K.Johnston, V.Karanyonchev, M.Kicinska-Habior, R.Lica, M.Madurga, I.Marroquin, B.Marsh, C.Martinez, C.Mazzocchi, K.Miernik, R.Mihai, B.Olaizola, S.Paulaskalas, J.-M.Regis, S.Rothe, V.Sanchez-Tembleque, G.Simpson, Ch.Sotty, L.Stan, M.Stanoiu, M.Stryjczyk, A.Turturica, J.M.Udias, V.Vedia, A.Villa, W.B.Walters Investigation of Low-lying States in 133Sn Populated in the β Decay of 133In Using Isomer-selective Laser Ionization RADIOACTIVITY 133In(β-)[from ISOLDE facility, where 1.4 GeV protons are directed on uranium carbide target]; measured Eβ, Iβ, β-gated γ-ray spectra using isomer selective ionization of ISOLDE facility LDE RILIS with clear distinction between decaying gs (9/2+) and isomer (1/2-); deduced, identified γ-rays following 133In to 133Sn as βγγ coin with 513 keV transition; deduced levels, J, π participating in 133In β-decay; deduced consistency with previous results on low-lying structure in 133Sn.
doi: 10.5506/aphyspolb.49.523
2017BA04 Phys.Rev. C 95, 014324 (2017) A.E.Barzakh, A.N.Andreyev, T.E.Cocolios, R.P.de Groote, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.Ghys, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, T.J.Procter, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van Duppen, M.Venhart, M.Veselsky Changes in mean-squared charge radii and magnetic moments of 179-184Tl measured by in-source laser spectroscopy NUCLEAR MOMENTS 179,180,181,182m,183,183m,184mTl; measured hyperfine splittings, spins for 179,181,183Tl, magnetic moments, isotope shifts, and changes in mean square charge radii. 182mTl and 184mTl include two, and three isomers, respectively. In-source resonance ionization laser spectroscopy at CERN-ISOLDE facility; discussed configurations. Radioactive Tl isotopes from U(p, X), E=1.4 GeV reaction using UCx target, and General Purpose Separator of ISOLDE.
doi: 10.1103/PhysRevC.95.014324
2017BA12 Phys.Rev. C 95, 044324 (2017) A.E.Barzakh, D.V.Fedorov, V.S.Ivanov, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, M.D.Seliverstov, Yu.M.Volkov Onset of deformation in neutron-deficient Bi isotopes studied by laser spectroscopy NUCLEAR MOMENTS 189,190,190m,191,192,192m,194,194m,198mBi; measured hyperfine splitting, isotope shifts at Radioactive Isotopes on Synchrocyclotron facility of PNPI; deduced changes in mean-square charge radii, magnetic dipole moments, configurations, deformation parameters. Systematics of <r2> values in Pb, Bi and Po isotopes, In-source resonance ionization spectroscopy.
doi: 10.1103/PhysRevC.95.044324
2017GR18 Phys.Rev. C 96, 054331 (2017) C.Granados, P.Creemers, R.Ferrer, L.P.Gaffney, W.Gins, R.de Groote, M.Huyse, Yu.Kudryavtsev, Y.Martinez, S.Raeder, S.Sels, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wrzosek-Lipska, A.Zadvornaya, A.E.Barzakh, B.Bastin, P.Delahaye, L.Hijazi, N.Lecesne, F.Luton, J.Piot, H.Savajols, J.-C.Thomas, E.Traykov, R.Beerwerth, S.Fritzsche, M.Block, X.Flechard, S.Franchoo, L.Ghys, H.Grawe, R.Heinke, T.Kron, P.Naubereit, K.Wendt, M.Laatiaoui, I.Moore, V.Sonnenschein, M.Loiselet, E.Mogilevskiy, S.Rothe In-gas laser ionization and spectroscopy of actinium isotopes near the N=126 closed shell NUCLEAR MOMENTS 212,213,214,215,227Ac; measured optical hyperfine spectra by the in-gas laser ionization and spectroscopy (IGLIS) technique at the LISOL facility of Cyclotron Research Centre, Louvain-la-Neuve; deduced g factors, quadrupole moments and spins of the ground states, configurations. Comparison with large-scale nuclear-shell-model calculations. 212,213Ac produced in 197Au(20Ne, 5n), (20Ne, 4n), E=145 MeV. 214,215Ac produced in 197Au(22Ne, 5n), (22Ne, 4n), E=143 MeV. RADIOACTIVITY 215Ac(α)[from 197Au(22Ne, 4n), E=143 MeV; measured Eα.
doi: 10.1103/PhysRevC.96.054331
2017MA29 Phys.Rev. C 95, 054322 (2017) V.Manea, P.Ascher, D.Atanasov, A.E.Barzakh, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, T.E.Cocolios, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, S.George, F.Herfurth, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, B.Marsh, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber Penning-trap mass spectrometry and mean-field study of nuclear shape coexistence in the neutron-deficient lead region ATOMIC MASSES 180,185,188,190Au, 197,197m,219At; measured cyclotron frequency ratios with respect to 133Cs+ by the time-of-flight ion-cyclotron-resonance (ToF-ICR) technique using ISOLTRAP at ISOLDE-CERN; deduced mass excesses, and compared to values from AME-2012. Isotopes prepared by 1.4-GeV protons incident on UCx target at CERN's proton synchrotron booster (PSB), followed by selective ionization by resonance-ionization laser ion source (RILIS), and mass separation using magnetic separators at ISOLDE. 197At; deduced ground state and the energy of the isomer. Systematics of S(2n) and rms charge radii for N=100-114, Au and Hg isotopes.
doi: 10.1103/PhysRevC.95.054322
2017MO44 Physics of Part.and Nuclei 48, 914 (2017) P.L.Molkanov, A.E.Barzakh, D.V.Fedorov, V.S.Ivanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, M.D.Seliverstov, Yu.M.Volkov Shape evolution for neutron-deficient bismuth isotopes studied by resonance laser ionization spectroscopy ATOMIC PHYSICS 189,190,191,192,193,194,195,196,197,198,211Bi; measured 306.77 nm atomic transition using in-source laser spectroscopy at IRIS facility of Petersburg Nuclear Physics Institute; deduced isotope shifts, isomers, mean-square charge radii, large isomer shift for the intruder isomer states with spin I=1/2 (A=193, 195, 197), shape coexistence in these nuclei with intruder isomer states more deformed than the gs, nearly spherical behavior for gs of even-neutron Bi isotopes at N less than 109 (in contrast to Pb and Tl isotopic chains).
doi: 10.1134/S1063779617060417
2016BA42 Phys.Rev. C 94, 024334 (2016) A.E.Barzakh, D.V.Fedorov, V.S.Ivanov, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, M.D.Seliverstov, Yu.M.Volkov Laser spectroscopy studies of intruder states in 193, 195, 197Bi ATOMIC PHYSICS 193,193m,195,195m,197,197mBi; measured hyperfine spectra of ground states and isomers using method of resonance laser photoionization in the laser ion source at the IRIS synchrocyclotron facility of PNPI, Gatchina; deduced isotope and isomer shifts, and hfs-constants. NUCLEAR MOMENTS 193,193m,195,195m,197,197mBi; measured hyperfine spectra of ground states and isomers using method of resonance laser photoionization in the laser ion source; deduced magnetic-dipole and electric quadrupole moments, deformation parameters, changes in mean square charge radii, Z-dependence of mean square charge radii. Systematics of magnetic-dipole moments and isomer shifts for 9/2- and 1/2+ states in odd-A Bi and Tl nuclei of even N=104-130. Systematics of changes in mean-square charge radii even-A Pb isotopes, and for 9/2+ and 1/2- states in odd-A Bi isotopes.
doi: 10.1103/PhysRevC.94.024334
2016VA01 J.Phys.(London) G43, 025102 (2016) C.Van Beveren, A.N.Andreyev, A.E.Barzakh, T.E.Cocolios, R.P.de Groote, D.Fedorov, V.N.Fedosseev, R.Ferrer, L.Ghys, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, T.J.Procter, E.Rapisarda, K.Sandhu, M.D.Seliverstov, P.Van Duppen, M.Venhart, M.Veselsky α-decay study of 182, 184Tl RADIOACTIVITY 182,184Tl(α); measured decay products, Eγ, Iγ, Eα, Iα, α-γ-coin.; deduced energy levels, J, π, branching ratios, isomeric state T1/2, α-decay scheme. Comparison with available data.
doi: 10.1088/0954-3899/43/2/025102
2015FI07 Phys.Rev.X 5, 011018 (2015) D.A.Fink, T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.Ghys, A.Gottberg, M.Huyse, N.Imai, T.Kron, N.Lecesne, K.M.Lynch, B.A.Marsh, D.Pauwels, E.Rapisarda, S.D.Richter, R.E.Rossel, S.Rothe, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van Duppen, K.D.A.Wendt In-Source Laser Spectroscopy with the Laser Ion Source and Trap: First Direct Study of the Ground-State Properties of 217, 219Po NUCLEAR MOMENTS 216,217,218Po [from 238U(p, X), E=1.4 GeV]; measured resonance spectra, Eα, Iα; deduced g-factors, mean-square charge radii, electromagnetic nuclear moments. In-source laser spectroscopy. RADIOACTIVITY 219Po(α) [from 238U(p, X), E=1.4 GeV]; measured decay spectra, Eα, Iα; deduced α-decay spectra, branching ratios, T1/2, hindrance factors. Comparison with available data.
doi: 10.1103/PhysRevX.5.011018
2015VA10 Phys.Rev. C 92, 014325 (2015) C.Van Beveren, A.N.Andreyev, A.E.Barzakh, T.E.Cocolios, D.Fedorov, V.N.Fedosseev, R.Ferrer, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, T.J.Procter, D.Radulov, E.Rapisarda, K.Sandhu, M.D.Seliverstov, P.Van Duppen, M.Venhart, M.Veselsky Internal decay of the (10-) intruder state in 184Tl RADIOACTIVITY 184mTl(IT), (α)[from U(p, X), E=1.4 GeV at ISOLDE-CERN facility and using RILIS]; measured Eγ, Iγ, I(x rays), γ(t), ce, half-life of (10-) isomer, 184Tl; deduced levels, J, π, isomer, internal-conversion coefficients, multipolarity, B(M2), B(E3), retardation factors for M2 and E3 transitions, configuration, intruder character of the (10-) isomer. 187m,188m,189m,190m,191m,192mBi(α); discussed systematics of α-decay parameters to daughter Tl states involving 1h9/2 and 2d3/2 proton configurations.
doi: 10.1103/PhysRevC.92.014325
2014SE07 Phys.Rev. C 89, 034323 (2014) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Electromagnetic moments of odd-A 193-203, 211Po isotopes RADIOACTIVITY 193Po, 193mPo, 195Po, 195mPo, 197Po, 197mPo, 199Po, 199mPo, 201Po, 201mPo, 203Po, 203mPo, 209Po, 211Po(α)[from 238U(p, F), E=1.4 GeV followed by mass separation]; measured Eα, Eγ, hyperfine splitting parameters for low-spin ground state and high-spin Po activities using in-source resonance ionization spectroscopy technique, and Wildmill chamber at ISOLDE-CERN facility; deduced magnetic dipole and spectroscopic electric quadrupole moments. Comparison with particle-plus-rotor model calculations. NUCLEAR MOMENTS 193,193m,195,195m,197,197m,199,199m,201,201m,203,203m,209,211Po; measured hyperfine splitting constants; magnetic dipole moments, and spectroscopic electric quadrupole moments, quadrupole deformation parameters using online mass separator and in-source resonance ionization spectroscopy technique at ISOLDE-CERN facility. Comparison with predictions of particle-plus-rotor model calculations, and with previous experimental results. Discussed configuration mixing. Systematics of magnetic moments for 3/2- and 13/2+ states in 187,189,191,193,195Pt, 185,187,189,191,193,195Hg, 187,189,191,193,195,197,199Pb, 193,195,197,199,201,203,205,207Po.
doi: 10.1103/PhysRevC.89.034323
2013BA41 Phys.Rev. C 88, 024315 (2013) A.E.Barzakh, L.Kh.Batist, D.V.Fedorov, V.S.Ivanov, K.A.Mezilev, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, Yu.M.Volkov Changes in the mean-square charge radii and magnetic moments of neutron-deficient Tl isotopes NUCLEAR MOMENTS 183,184m,185,185m,186m,187m,195m,197mTl; measured hyperfine splitting, and isotope shifts relative to those of 205Tl using IRIS facility at PNPI; deduced mean-square charge radii, magnetic moments. In-source resonance ionization laser spectroscopy. 183,184m,185,185m,186m,187m,188m,189m,190,190m,191,191m,192,192m,193,193m,194,194m,195,195m,196,196m,197,197m,198,198m,199,200,201,202,203,204,205,207,208Tl; analyzed rms charge radii from previous and current experimental data. Systematics of rms charge radii for even neutron N=100-128, and odd-neutron N=101-117 nuclei. Systematics of magnetic moments for A=183-207 Tl isotopes. NUCLEAR REACTIONS U(p, X)183Tl/184mTl/185Tl/185mTl/186mTl/187mTl/195mTl/197mTl, E=1 GeV; measured hyperfine structure; deduced charge radii, magnetic moments.
doi: 10.1103/PhysRevC.88.024315
2013SE03 Phys.Lett. B 719, 362 (2013) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedoseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Charge radii of odd-A 191-211Po isotopes NUCLEAR MOMENTS 191,193,195,197,199,201,203,209,211Po; measured optical spectra, isotope shifts, Eα, Iα; deduced mean square charge radii.
doi: 10.1016/j.physletb.2013.01.043
2012BA32 Phys.Rev. C 86, 014311 (2012) A.E.Barzakh, L.Kh.Batist, D.V.Fedorov, V.S.Ivanov, K.A.Mezilev, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, Yu.M.Volkov Hyperfine structure anomaly and magnetic moments of neutron deficient Tl isomers with I=9/2 NUCLEAR MOMENTS 187m,189m,191m,193m,195m,197mTl; measured hyperfine splittings of 9/2 isomers relative to that for 205Tl; deduced magnetic dipole moments, differential hyperfine structure anomaly (DHFA) for Tl isomers. In-source ionization laser spectroscopy. Nuclear magnetization distribution.
doi: 10.1103/PhysRevC.86.014311
2012CO24 J.Phys.:Conf.Ser. 381, 012072 (2012) T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Early onset of deformation in the neutron-deficient polonium isotopes ATOMIC PHYSICS 191,192,193,194,195,196,197,198,199,200,201,202,203,204,206,208,209,210,211,216,218Po[from high-energy proton-induced spallation of 238U]; measured Eα, Iα, Eβ, Iβ, Eγ, Ιg; deduced even-A charge radius. 199g,199mPo deduced hyperfine spectra, γ transition energy, intensity. Compared with earlier papers.
doi: 10.1088/1742-6596/381/1/012072
2011BA19 Eur.Phys.J. A 47, 70 (2011) A.E.Barzakh, G.Lhersonneau, L.Kh.Batist, D.V.Fedorov, V.S.Ivanov, K.A.Mezilev, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, Yu.M.Volkov, O.Alyakrinskiy, M.Barbui, L.Stroe, L.B.Tecchio Secondary neutrons as the main source of neutron-rich fission products in the bombardment of a thick U target by 1 GeV protons NUCLEAR REACTIONS 12C, 238U(p, X), E=1 GeV;238U(n, f), E not given; measured Eα, Iα, Eγ, Iγ; deduced yields; calculated yields; DEM (Diffusion-Effusion Model), double-diffusion model, FLUKA.
doi: 10.1140/epja/i2011-11070-y
2011CO01 Phys.Rev.Lett. 106, 052503 (2011) T.E.Cocolios, W.Dexters, M.D.Seliverstov, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy, M.Bender, P.-H.Heenen Early Onset of Ground State Deformation in Neutron Deficient Polonium Isotopes NUCLEAR REACTIONS U(p, X)192Po/194Po/196Po/198Po/200Po/202Po/204Po/206Po/208Po/210Po/216Po/218Po, E=1.4 GeV; measured reaction products, Ee, Ie, Eα, Iα; deduced isotope shifts, mean-square charge radii. Comparison with systematics and FRDM calculations.
doi: 10.1103/PhysRevLett.106.052503
2009PA49 Eur.Phys.J. A 42, 495 (2009) V.N.Panteleev, O.Alyakrinskiy, M.Barbui, A.E.Barzakh, D.V.Fedorov, V.S.Ivanov, G.Lhersonneau, K.A.Mezilev, P.L.Molkanov, F.V.Moroz, S.Yu.Orlov, L.Stroe, L.B.Tecchio, M.Tonezzer, Yu.M.Volkov Production of Cs and Fr isotopes from a high-density UC targets with different grain dimensions NUCLEAR REACTIONS 238U(p, X)122Cs/123Cs/124Cs/125Cs/126Cs/127Cs/128Cs/129Cs/130Cs/132Cs/138Cs/139Cs/140Cs/141Cs/142Cs/143Cs/144Cs/145Cs/146Cs/147Cs/148Cs/202Fr/203Fr/204Fr/205Fr/206Fr/207Fr/208Fr/209Fr/210Fr/211Fr/212Fr/213Fr/214Fr/218Fr/219Fr/220Fr/221Fr/222Fr/223Fr/224Fr/225Fr/226Fr/227Fr/228Fr, E=1 GeV; measured fission and spallation yields from different mass targets; deduced effect of target size.
doi: 10.1140/epja/i2009-10841-3
2009SE13 Eur.Phys.J. A 41, 315 (2009) M.D.Seliverstov, A.N.Andreyev, N.Barre, A.E.Barzakh, S.Dean, H.De Witte, D.V.Fedorov, V.N.Fedoseyev, L.M.Fraile, S.Franchoo, J.Genevey, G.Huber, M.Huyse, U.Koster, P.Kunz, S.R.Lesher, B.A.Marsh, I.Mukha, B.Roussiere, J.Sauvage, I.Stefanescu, K.Van de Vel, P.Van Duppen, Yu.M.Volkov Charge radii and magnetic moments of odd- A 183-189Pb isotopes NUCLEAR MOMENTS 182,183,184,185,186,187,188,189,190Pb [from 238U(p, X), E=1, 4 GeV online mass separator using the in-source resonance ionization spectroscopy technique]; measured hfs spectra; deduced μ, hyperfine coupling constants, charge radii. Comparison with other data.
doi: 10.1140/epja/i2009-10817-3
2006LH01 Phys.Rev. C 74, 017308 (2006) G.Lhersonneau, V.Rizzi, O.Alyakrinskiy, A.Lanchais, L.B.Tecchio, A.E.Barzakh, D.V.Fedorov, A.M.Ionan, V.S.Ivanov, K.A.Mezilev, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, Yu.M.Volkov, C.Lau, O.Bajeat, S.Essabaa, P.Jardin, R.Leroy, L.Stroe Absolute branching intensities in the decay of 92Rb to 92Sr RADIOACTIVITY 92,94Rb, 92,94Sr(β-) [from 238U(p, F)]; measured Eγ, Iγ; deduced absolute branching intensities.
doi: 10.1103/PhysRevC.74.017308
2005AN01 Eur.Phys.J. A 23, 257 (2005) A.Andrighetto, O.Bajeat, A.E.Barzakh, S.Essabaa, D.V.Fedorov, A.M.Ionan, V.S.Ivanov, R.Leroy, G.Lhersonneau, K.A.Mezilev, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, L.Stroe, L.B.Tecchio, A.Villari, Yu.M.Volkov, X.F.Wang On-line production of Rb and Cs isotopes from uranium carbide targets NUCLEAR REACTIONS 238U(p, F)89Rb/90Rb/91Rb/93Rb/94Rb/95Rb/139Cs/140Cs/141Cs/142Cs/144Cs/145Cs, E=1 GeV; measured yields.
doi: 10.1140/epja/i2004-10095-7
2005BA64 Phys.Rev. C 72, 017301 (2005) A.E.Barzakh, D.V.Fedorov, A.M.Ionan, V.S.Ivanov, F.V.Moroz, K.A.Mezilev, S.Yu.Orlov, V.N.Panteleev, Yu.M.Volkov Laser spectroscopic studies of 145Gd, 145Gdm, and 143Gdm NUCLEAR MOMENTS 143m,145,145mGd; measured isotope shifts, hfs; deduced radii, μ. Laser spectroscopy.
doi: 10.1103/PhysRevC.72.017301
2005PA61 Eur.Phys.J. A 26, 147 (2005) V.N.Panteleev, A.E.Barzakh, D.V.Fedorov, M.Menna, F.V.Moroz, Yu.M.Volkov Integrated target-ion source unit for on-line production of radioactive short-lived isotopes
doi: 10.1140/epja/i2005-10147-6
2004AN03 Eur.Phys.J. A 19, 341 (2004) A.Andrighetto, A.E.Barzakh, D.V.Fedorov, V.S.Ivanov, G.Lhersonneau, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, M.D.Seliverstov, I.M.Strachnov, L.Stroe, L.B.Tecchio, Yu.M.Volkov, X.F.Wang Proton- and neutron-induced fission on uranium carbide target NUCLEAR REACTIONS 238U(p, F), E=1 GeV; 238U(n, F), E=fast; measured fission product isotopic yields.
doi: 10.1140/epja/i2003-10138-7
2004BA93 Eur.Phys.J. A 22, 69 (2004) A.E.Barzakh, D.V.Fedorov, A.M.Ionan, V.S.Ivanov, F.V.Moroz, K.A.Mezilev, S.Yu.Orlov, V.N.Panteleev, Yu.M.Volkov Changes in the mean square charge radii of neutron-deficient europium isotopes measured by the laser ion source resonance ionization spectroscopy NUCLEAR MOMENTS 137,138,139,141,142m,143,144Eu; measured isotope shifts; deduced radii, deformation parameters. Laser ion source resonance ionization spectroscopy.
doi: 10.1140/epja/i2003-10231-y
2003AN13 Nucl.Instrum.Methods Phys.Res. B204, 267 (2003) A.Andrighetto, A.E.Barzakh, D.V.Fedorov, V.S.Ivanov, F.V.Moroz, S.Yu.Orlov, V.N.Panteleev, M.D.Seliverstov, I.M.Strachnov, L.Stroe, L.Tecchio, Yu.M.Volkov Production of neutron rich nuclides from uranium carbide targets of different density NUCLEAR REACTIONS U(p, X), E=1 GeV; measured fragment yields. Uranium carbide target.
doi: 10.1016/S0168-583X(02)01923-7
2002PA31 Nucl.Phys. A701, 470c (2002) V.N.Panteleev, A.E.Barzakh, D.V.Fedorov, F.V.Moroz, S.Yu.Orlov, A.G.Poljakov, M.D.Seliverstov, Yu.M.Volkov Development of High Temperature Targets at IRIS Facility NUCLEAR REACTIONS C, Ta, W(p, X)6Li/7Li, E not given; C, U(p, X)89Rb/90Rb/91Rb/92Rb/93Rb/94Rb/95Rb/143Cs/144Cs/145Cs/146Cs/147Cs/148Cs, E not given; C, Nb(p, X)75Rb/77Rb/80Rb, E not given; measured yields.
doi: 10.1016/S0375-9474(01)01629-3
2000BA16 Phys.Rev. C61, 034304 (2000) A.E.Barzakh, I.Ya.Chubukov, D.V.Fedorov, V.N.Panteleev, M.D.Seliverstov, Yu.M.Volkov Mean Square Charge Radii of the Neutron-Deficient Rare-Earth Isotopes in the Region of the Nuclear Shell N = 82 Measured by the Laser Ion Source Spectroscopy Technique NUCLEAR MOMENTS 155Yb, 153,154Tm; measured hfs, isotope shifts, μ, quadrupole moments, charge radii. Resonance ionization spectroscopy, new background supression method.
doi: 10.1103/PhysRevC.61.034304
2000SE22 Hyperfine Interactions 127, 425 (2000) M.D.Seliverstov, A.E.Barzakh, I.Ya.Chubukov, D.V.Fedorov, V.N.Panteleev, Yu.M.Volkov Application of the laser ion source for isotope shift and hyperfine structure investigation NUCLEAR MOMENTS 153,154Tm, 155Yb; measured hfs, isotope shifts; deduced radii, μ, quadrupole moments. Resonance ionization spectroscopy.
doi: 10.1023/A:1012665600844
1998BA08 Eur.Phys.J. A 1, 3 (1998) A.E.Barzakh, I.Ya.Chubukov, D.V.Fedorov, F.V.Moroz, V.N.Panteleev, M.D.Seliverstov, Y.M.Volkov Isotope Shift and Hyperfine Structure Measurements for 155Yb by Laser Ion Source Technique NUCLEAR MOMENTS 155Yb; measured hfs, isotope shift, charge radius. Resonance ionization spectroscopy, laser ion source. Nearby nuclei compared.
doi: 10.1007/s100500050023
1993BA55 Z.Phys. A346, 265 (1993) Isotonic and Isobaric Dependencies of Nuclear Charge Radii for Rare-Earth Nuclei NUCLEAR STRUCTURE 138,146Ba, 142,146,150Nd, 152,146,144Sm, 153,145Eu, 154,146Gd, 147,155Tb, 148,156Dy, 157Ho, 150,158Er, 159Tm, 152,160Yb; analyzed isotope shifts, muonic, electron scattering data; deduced rms charge radii isotonic, isobaric dependences. Hartree-Fock calculations, droplet model.
doi: 10.1007/BF01292515
1992AL03 J.Phys.(London) B25, 571 (1992) G.D.Alkhazov, A.E.Barzakh, H.Huhnermann, K.Kesper, A.Mazumdar, W.Moller, R.Otto, V.N.Pantelejev, A.G.Polyakov, C.Reese, H.Wagner Hyperfine Structure and Isotope Shift Investigations of 145Pm and 147Pm NUCLEAR MOMENTS 145,147Pm; measured hfs, isotope shifts; deduced hyperfine constants. 145Pm deduced μ, quadrupole moment. Collinear laser ion-beam spectroscopy.
doi: 10.1088/0953-4075/25/2/023
1992AL18 Nucl.Instrum.Methods Phys.Res. B69, 517 (1992) G.D.Alkhazov, A.E.Barzakh, V.P.Denisov, K.A.Mezilev, Yu.N.Novikov, V.N.Panteleyev, A.V.Popov, E.P.Sudentas, V.S.Letokhov, V.I.Mishin, V.N.Fedoseyev, S.V.Andreyev, D.S.Vedeneyev, A.D.Zyuzikov A New Highly Efficient Method of Atomic Spectroscopy for Nuclides Far from Stability RADIOACTIVITY 154,155,156Yb; measured isotope shifts, hyperfine structure; deduced 155Yb hyperfine constants.
doi: 10.1016/0168-583X(92)95309-F
1992AL25 Bull.Rus.Acad.Sci.Phys. 56, 1712 (1992) G.D.Alkhazov, A.E.Barzakh, V.P.Denisov, K.A.Mezilev, Yu.N.Novikov, V.N.Panteleev, A.V.Popov, E.P.Sudentas, V.S.Letokhov, V.I.Mishin, V.N.Fedoseev, S.V.Andreev, D.S.Vedeneyev, A.D.Zyuzikov Measurement of Isotope Shifts and Hyperfine Structure of Neutron-Deficient Yb Isotopes Using a New Highly Sensitive Method of Atomic Spectroscopy RADIOACTIVITY 154,156,160,162,164,166Yb(α) [from Ta(p, X), E=1 GeV]; measured isotope shifts, hfs. 154Yb deduced μ, electric quadrupole moment. Laser induced resonance atom ionization in a mass separator source.
1992LE09 J.Phys.(London) G18, 1177 (1992) V.S.Letokhov, V.I.Mishin, S.K.Sekatsky, V.N.Fedoseyev, G.D.Alkhazov, A.E.Barzakh, V.P.Denisov, V.E.Starodubsky Laser Spectroscopic Studies of Nuclei with Neutron Number N < 82 (Eu, Sm and Nd Isotopes) RADIOACTIVITY 135,137,139,141Nd, 139,141,141m,143,145Sm; measured hfs; deduced parameters a, b, quadrupole moments. 132,134,135,136,137,138,139,140,141Nd, 138,139,140,141,141m,142,143,145Sm, 138,139,140,141,142,143,144,145Eu; measured isotope shifts; deduced mean square charge radii. Resonance ionization spectroscopy. NUCLEAR MOMENTS 142Nd, 144Sm; measured isotope shifts; deduced mean square charge radii. Resonance ionization spectroscopy.
doi: 10.1088/0954-3899/18/7/008
1990AL34 Z.Phys. A337, 257 (1990) G.D.Alkhazov, A.E.Barzakh, V.A.Bolshakov, V.P.Denisov, V.S.Ivanov, Yu.Ya.Sergeev, I.Ya.Chubukov, V.I.Tikhonov, V.S.Letokhov, V.I.Mishin, S.K.Sekatsky, V.N.Fedoseyev Odd-Even Staggering in Nuclear Charge Radii of Neutron-Rich Europium Isotopes RADIOACTIVITY 155,156,157,158,159Eu; measured hfs, isotope shifts; deduced hyperfine constants. 155,156,157,158,159Eu deduced μ, quadrupole moment, rms charge radii differences.
1990AL36 Z.Phys. A337, 367 (1990) G.D.Alkhazov, A.E.Barzakh, V.P.Denisov, V.S.Ivanov, I.Ya.Chubukov, V.S.Letokhov, V.I.Mishin, S.K.Sekatsky, V.N.Fedoseyev Electromagnetic Moments and Nuclear Charge Radii for Neutron-Deficient Tb Isotopes and the Deformation Jump Near Z = 64, N = 90 RADIOACTIVITY 147,148,149,150,151,152,153,155,157Tb; measured hfs, optical isotope shift; deduced μ, quadrupole moment, changes in rms charge radii, deformation jump. NUCLEAR MOMENTS 159Tb; measured hfs, optical isotope shift; deduced μ, quadrupole moment, changes in rms charge radii, deformation jump.
1989AL27 Nucl.Phys. A504, 549 (1989) G.D.Alkhazov, A.E.Barzakh, I.Ya.Chubukov, V.P.Denisov, V.S.Ivanov, N.B.Buyanov, V.N.Fedoseyev, V.S.Letokhov, V.I.Mishin, S.K.Sekatsky Nuclear Deformation of Holmium Isotopes RADIOACTIVITY 152,152m,153,153m,154,154m,155,156,157,158,158m,159,160,160m,161,162m,163Ho; measured isotope shifts, hfs; deduced mean square charge radius, J, magnetic dipole moment, electric quadrupole moment. Resonance ionization spectroscopy. NUCLEAR MOMENTS 165Ho; measured isotope shifts, hfs; deduced mean square charge radius, J, magnetic dipole moment, electric quadrupole moment. Resonance ionization spectroscopy.
doi: 10.1016/0375-9474(89)90557-5
1989BA12 Yad.Fiz. 49, 39 (1989) Effects of Collective Motion on Isotopic Dependence of Nuclear Charge Radii NUCLEAR STRUCTURE 136,138Sm, 140,142,144,146Sm; analyzed charge radii; deduced collectivity role in isotopic dependence.
1989BA43 Yad.Fiz. 49, 1588 (1989) Description of Deformed Nuclei in the Quasiparticle Lagrange Method NUCLEAR STRUCTURE 158,160,162,164,166,170,172,174,176Yb, 155,157,161,165Ho; calculated quadrupole moments, rms charge radii. Quasiparticle Lagrange method.
1988AL04 Nucl.Phys. A477, 37 (1988) G.D.Alkhazov, A.E.Barzakh, I.Ya.Chubukov, V.P.Denisov, V.S.Ivanov, V.N.Panteleev, V.E.Starodubsky, N.B.Buyanov, M.N.Fedoseyev, V.S.Letokhov, V.I.Mishin, S.K.Sekatskii Nuclear Electromagnetic Moments and Charge Radii of Deformed Thulium Isotopes with the Mass Numbers A = 157-172 NUCLEAR MOMENTS 169Tm; measured hfs, isotope shifts; deduced hyperfine constants. 169Tm deduced μ, quadrupole moments, rms charge radius. Resonance ionization spectroscopy. RADIOACTIVITY 157,158,159,160,161,162,163,164,165,166,167,168,170,171,172Tm; measured hfs, isotopes shifts; deduced hyperfine constants. 157,158,159,160,161,162,163,164,165,166,167,168,170,171,172Tm deduced μ, quadrupole moments, rms charge radii. Resonance ionization spectroscopy.
doi: 10.1016/0375-9474(88)90359-4
1988AL40 Pisma Zh.Eksp.Teor.Fiz. 48, 373 (1988); JETP LETT.(USSR) 48, 413 (1988) G.D.Alkhazov, A.E.Barzakh, V.P.Denisov, V.S.Ivanov, I.Ya.Chubukov, N.B.Buyanov, V.S.Letokhov, V.I.Mishin, S.K.Sekatsky, V.N.Fedoseev Mean-Square Charge Radius of the Magic Nucleus 146Gd NUCLEAR MOMENTS 152,154,155,156,157,158,160Gd; measured isotope shifts. Atomic resonance photoionization. RADIOACTIVITY 146,147,148,149,150,151Gd; measured isotope shifts. 146Gd deduced rms charge radius. Atomic resonance photoionization.
1988AL41 Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 1651 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.8, 170 (1988) G.D.Alkhazov, A.E.Barzakh, N.B.Buyanov, V.P.Denisov, V.S.Ivanov, V.S.Letokhov, V.I.Mishin, S.K.Sekatsky, V.N.Fedoseev, I.Ya.Chubukov Trends in Mean-Square Charge Radius and Electromagnetic Moments for Samarium and Neodymium Isotopes having N < 82 NUCLEAR STRUCTURE 147,144,143,142,141,141m,140,139,138Sm; 143,142,141,140,139,138,137,136,135,134,132Nd; analyzed isotope shift, hyperfine constants data; deduced rms charge radius, μ, quadrupole moments systematics.
1987AL25 Pisma Zh.Eksp.Teor.Fiz. 46, 136 (1987); JETP.Lett.(USSR) 46, 170 (1987) G.D.Alkhazov, A.E.Barzakh, N.B.Buyanov, V.P.Denisov, V.S.Ivanov, V.S.Letokhov, V.I.Mishin, S.K.Sekatsky, V.N.Fedoseev, I.Ya.Chubukov Differences in the Isotopic Changes in the Charge Radii of Nuclei with 50 ≤ (N, Z) ≤ 82 RADIOACTIVITY 138,139,140Eu; measured isotope shifts. 137,138,139,140,141,142,143Eu; deduced rms radius isotopic dependence. 127,128,129,130,131,132,133,134,135,136Cs, 128,129,130,131,132,133,134,135Xe, 128,129,130,131,132,133,134,135,136,137Ba, 133,134,135,136,137,138,139,140,141Nd, 137,138,139,140,141,142,143Sm deduced rms radius isotopic dependence.
1987BA07 Yad.Fiz. 45, 45 (1987) Hartree-Fock Description of Deformed Thulium Isotopes NUCLEAR STRUCTURE 157,158,159,160,161,162,163,164,165,166,167,168,169Tm; calculated ground state quadrupole, magnetic moments, charge radii, binding energies. Hartree-Fock theory.
1987MI31 Zh.Eksp.Teor.Fiz. 93, 410 (1987) V.I.Mishin, S.K.Sekatsky, V.N.Fedoseyev, N.B.Buyanov, V.S.Letokhov, G.D.Alkhazov, A.E.Barzakh, V.P.Denisov, V.S.Ivanov, I.Ya.Chubukov Ultrasensitive Laser Resonance Photoionization Spectroscopy of Chain of 157-172Tm Radioactive Isotopes with a Proton Accelerator NUCLEAR MOMENTS 169Tm; measured hfs, isotopic shift; deduced magnetic dipole, electric quadrupole moments. Laser resonant photoionization. RADIOACTIVITY 157,158,159,160,161,162,163,164,165,166,167,168,170,171,172Tm; measured hfs, isotopic shifts; deduced magnetic dipole, electric quadrupole moments, rms charge radii. Laser resonant photoionization.
1986AL32 Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 2366 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.12, 73 (1986) G.D.Alkhazov, A.E.Barzakh, N.B.Buyanov, V.P.Denisov, A.G.Dernyatin, V.S.Ivanov, V.S.Letokhov, V.I.Mishin, S.K.Sekatsky, V.N.Fedoseev, I.Ya.Chubukov Hyperfine Structure and the Electromagnetic Moments of Thulium Isotopes NUCLEAR MOMENTS 169Tm; measured hfs; deduced hyperfine constants. 169Tm deduced μ, rms charge radius. RADIOACTIVITY 157,158,159,160,161,162,163,164,165,166,167,168,170Tm; measured hfs; deduced hyperfine constants. 157,158,159,160,161,162,163,164,165,166,167,168,170Tm deduced μ, rms charge radii.
1984AL33 Pisma Zh.Eksp.Teor.Fiz. 40, 95 (1984); JETP Lett.(USSR) 40, 836 (1984) G.D.Alkhazov, A.E.Barzakh, E.E.Berlovich, V.P.Denisov, A.G.Dernyatin, V.S.Ivanov, V.S.Letokhov, V.I.Mishin, V.N.Fedoseev Shell Effect in the Isotopic Dependence of the Mean Square Charge Radii of Short-Lived Europium Nuclei Measured by Laser Photoionization Detection on Line with the Accelerator RADIOACTIVITY 141,142,143,144,145Eu(EC), (β+); measured optical isotope shifts; deduced rms charge radii isotopic dependence shell effect.
1983AL14 Pisma Zh.Eksp.Teor.Fiz. 37, 231 (1983); JEPT Lett.(USSR) 37, 274 (1983) G.D.Alkhazov, A.E.Barzakh, E.I.Berlovich, V.P.Denisov, A.G.Dernyatin, V.S.Ivanov, A.N.Zherikhin, O.N.Kompanets, V.S.Letokhov, V.I.Mishin, V.N.Fedoseev Measurement of Isotopic Variations in the Charge Radii of Europium Nuclei by the Method of Three-Stepped Laser Photoionization of Atoms NUCLEAR MOMENTS 145,146,147,148,149Eu [from Ta(p, X), E=1 GeV]; measured optical isotope shifts relative to 151Eu; deduced rms charge radii.
1978NE12 Zh.Eksp.Teor.Fiz. 75, 1521 (1978); Sov.Phys.JETP 48, 769 (1978) Determination of the Magnetic Moment of the He3 Nucleus with an Error Of 2 X 10-6% NUCLEAR MOMENTS 3He; measured free-precession frequencies of 3He nuclei, protons, electron screening difference of nuclei in 3He atom, hydrogen molecule; deduced μ.
1977NE16 Zh.Eksp.Teor.Fiz. 72, 1659 (1977) Determination of the Triton-Proton Magnetic Moment Ratio with an Accuracy to (10-6)% by the NMR Technique NUCLEAR MOMENTS 1,3H; measured NMR; deduced μ ratio. NMR pulse spectrometer, HT molecules in gas.
1975NE07 Zh.Eksp.Teor.Fiz. 69, 1872 (1975); Sov.Phys.JETP 42, 950 (1976) Y.I.Neronov, A.E.Barzakh, K.Mukhamadiev NMR Study of Hydrogen Isotopes to Determine the Ratio of the Proton and Deuteron Magnetic Moments to the Eighth Decimal Place NUCLEAR MOMENTS 1,2H; measured g, isotope shift. NMR study.
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