NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = N.A.Smirnova Found 43 matches. 2024XA01 Phys.Rev. C 109, 014317 (2024) Higher-order isospin-symmetry-breaking corrections to nuclear matrix elements of Fermi β decays
doi: 10.1103/PhysRevC.109.014317
2022LA05 Astrophys.J. 929, 73 (2022) Y.H.Lam, N.Lu, A.Heger, A.M.Jacobs, N.A.Smirnova, T.Kurtukian Nieto, Z.Johnston, S.Kubono The Regulated NiCu Cycles with the New 57Cu(p, γ)58Zn Reaction Rate and Its Influence on Type I X-Ray Bursts: the GS 1826-24 Clocked Burster NUCLEAR REACTIONS 57Cu(p, γ), E<200 keV; analyzed available data; calculated reaction rates.
doi: 10.3847/1538-4357/ac4d89
2022XA01 Phys.Rev. C 105, 044308 (2022) Radial overlap correction to superallowed 0+ → 0+ nuclear β decays using the shell model with Hartree-Fock radial wave functions RADIOACTIVITY 10mB, 10C, 14mN, 14O, 18mF, 18Ne, 22mNa, 22Mg, 26mAl, 26Si, 30mP, 30S, 34Cl, 34Ar, 38mK, 38Ca, 42Sc, 42Ti, 46V, 46Cr, 50Mn, 50Fe, 54Co, 54Ni, 62Ga, 62Ge, 66As, 66Se, 70Br, 70Kr(EC), (β+); calculated radial overlap correction δR0 for superallowed 0+ to 0+ β transitions using; analyzed average Ft values, and experimentally determined ft ratios of the mirror-pair transitions. Shell model with Hartree-Fock radial wave functions, and several different effective Skyrme interactions, including Coulomb, charge-symmetry-breaking (CSB), and charge-independence-breaking (CIB) terms. Comparison with available experimental data. Relevance to conserved vector current (CVC) hypothesis and Vud matrix element of the Cabbibo-Kobayashi-Maskawa (CKM) quark-mixing matrix. NUCLEAR STRUCTURE 10mB, 10C, 14mN, 14O, 18mF, 18Ne, 22mNa, 22Mg, 26mAl, 26Si, 30mP, 30S, 34Cl, 34Ar, 38mK, 38Ca, 42Sc, 42Ti, 46V, 46Cr, 50Mn, 50Fe, 54Co, 54Ni, 62Ga, 62Ge, 66As, 66Se, 70Br, 70Kr; calculated rms charge radii. Shell model with Hartree-Fock radial wave functions, and several different effective Skyrme interactions, including charge-independence-breaking (CIB) and charge-symmetry-breaking (CSB) terms. Comparison with available experimental data.
doi: 10.1103/PhysRevC.105.044308
2021KL02 Phys.Rev. C 103, 024316 (2021) Isobaric-multiplet mass equation in a macroscopic-microscopic approach NUCLEAR STRUCTURE A=20-100; analyzed Isobaric-multiplet mass equation (IMME) for T=1/2, 1, 3/2, 2, and 5/2 multiplets using P. Moller's macroscopic-microscopic approach with finite-range liquid-drop model (FRLDM); deduced coefficients of the IMME, and mass excesses of Z>N nuclei up to A=100. 43,44,45,46,47,48,49Mn, 44,45,46,47,48,49,50,51Fe, 46,47,48,49,50,51,52,53Co, 48,49,50,51,52,53,54,55Ni, 50,51,52,53,54,55,56,57Cu, 52,53,54,55,56,57,58,59Zn, 54,55,56,57,58,59,60,61Ga, 56,57,58,59,60,61,62,63Ge, 58,59,60,61,62,63,64,65As, 60,61,62,63,64,65,66,67Se, 62,63,64,65,66,67,68,69Br, 64,65,66,67,68,69,70,71Kr, 66,67,68,69,70,71,72,73Rb, 68,69,70,71,72,73,74,75Sr, 70,71,72,73,74,75,76,77Y, 72,73,74,75,76,77,78,79Zr, 74,75,76,77,78,79,80,81Nb, 76,77,78,79,80,81,82,83Mo, 78,79,80,81,82,83,84,85Tc, 80,81,82,83,84,85,86,87Ru, 82,83,84,85,86,87,88,89Rh, 84,85,86,87,88,89,90,91Pd, 86,87,88,89,90,91,92,93Ag, 88,89,90,91,92,93,94,95Cd, 90,91,92,93,94,95,96,97In, 92,93,94,95,96,97,98,99Sn, 94,95,96,97,98,99,100Sb, 96,97,98,99,100,101Te; deduced S(p), S(2p), positions of proton-drip lines. Comparison with available experimental data.
doi: 10.1103/PhysRevC.103.024316
2021PA44 Phys.Rev. C 104, 065803 (2021) S.F.Paul, J.Bergmann, J.D.Cardona, K.A.Dietrich, E.Dunling, Z.Hockenbery, C.Hornung, C.Izzo, A.Jacobs, A.Javaji, B.Kootte, Y.Lan, E.Leistenschneider, E.M.Lykiardopoulou, I.Mukul, T.Murbock, W.S.Porter, R.Silwal, M.B.Smith, J.Ringuette, T.Brunner, T.Dickel, I.Dillmann, G.Gwinner, M.MacCormick, M.P.Reiter, H.Schatz, N.A.Smirnova, J.Dilling, A.A.Kwiatkowski Mass measurements of 60-63Ga reduce x-ray burst model uncertainties and extend the evaluated T=1 isobaric multiplet mass equation ATOMIC MASSES 60,61,62,63Ga; measured mass spectra using the TITAN multiple-reflection time-of-flight (MR-TOF) mass spectrometer at TRIUMF-ISAC facility; deduced mass excesses and S(p), and compared with previous experimental results and AME2020 evaluation, and theoretical calculations for S(p). Discussed isobaric multiplet mass equation (IMME) for A=60, and systematic trend for A=42-62 even-A nuclei. Relevance of 60,61Ga mass measurements for the rp process in x-ray bursts, and for 60Zn waiting point nucleus. 60,61,62,63Ga isotopes produced in Zr(p, X), E=480 MeV, and selectively ionized by TRIUMF's Resonant Laser Ion Source (TRILIS).
doi: 10.1103/PhysRevC.104.065803
2020PU02 Phys.Rev. C 101, 064309 (2020) D.Puentes, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, S.M.Lenzi, M.MacCormick, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, P.Schury, N.A.Smirnova, J.Surbrook, A.A.Valverde, A.C.C.Villari, I.T.Yandow High-precision mass measurements of the isomeric and ground states of 44V: Improving constraints on the isobaric multiplet mass equation parameters of the A=44, 0+ quintet ATOMIC MASSES 44,44mV; measured cyclotron frequencies, mass excesses of ground and isomeric state using the time-of-flight ion cyclotron resonance method with the Penning trap mass spectrometer LEBIT of NSCL-MSU. 44V beam was produced in 9Be(58Ni, X), E=160 MeV/nucleon reaction and purified in the A1900 Fragment Separator. 44V; deduced levels, J, π, energy of the isomeric state, S(p). 44Cr; discussed β+ and proton decay of 44Cr and constraint on its mass. 44V, 44Sc, 44Ti; analyzed coefficients of quadratic isobaric multiplet mass equation (IMME) coefficients, mirror and triplet energy differences of T=1 triplet as a function of spin. A=42-58; analyzed experimental and theoretical coefficients of the lowest triplets in the pf shell for even-A nuclei. Comparison with previous experimental values, and with theoretical predictions.
doi: 10.1103/PhysRevC.101.064309
2020SA30 Phys.Rev. C 102, 024324 (2020) M.Sanchez Sanchez, N.A.Smirnova, A.M.Shirokov, P.Maris, J.P.Vary Improved description of light nuclei through chiral effective field theory at leading order NUCLEAR STRUCTURE 3H, 4,6He; calculated ground-state energies and point-proton rms radii using chiral effective field theory at leading order with LENPIC and modified LENPIC interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.024324
2019SM02 Nuovo Cim. C 42, 54 (2019) Isospin-symmetry breaking in nuclear structure NUCLEAR STRUCTURE A=20-60; analyzed available data; deduced breaking of the isospin symmetry using the nuclear shell-model.
doi: 10.1393/ncc/i2019-19054-5
2019SM04 Phys.Rev. C 100, 054329 (2019) N.A.Smirnova, B.R.Barrett, Y.Kim, I.J.Shin, A.M.Shirokov, E.Dikmen, P.Maris, J.P.Vary Effective interactions in the sd shell NUCLEAR STRUCTURE 18,19,21,23,25,26,27F, 21,22,23,24O, 22Na, 24Mg, 28,29Si, 32S, 39K; calculated levels, J, π, effective single-particle energies (ESPEs), B(E2) and Q(first 2+) for 24Mg, 28Si, 32S. 16,17,18,19,20,21,22,23,24,25,26,27,28O; calculated ground state energies relative to that of 16O, sub-shell gap and neutron spin-orbit splitting for even-A nuclei. No-core shell-model calculations with Okubo-Lee-Suzuki transformation, and microscopic effective shell-model interactions in the valence sd shell, obtained from chiral N3LO, JISP16, and Daejeon16 nucleon-nucleon potentials. Comparison with experimental data. Discussed possible role of the three-nucleon forces.
doi: 10.1103/PhysRevC.100.054329
2018XA01 Phys.Rev. C 97, 024324 (2018) Radial overlap correction to superallowed 0+ → 0+ β decay reexamined RADIOACTIVITY 22Mg, 26mAl, 26Si, 30S, 34Cl, 34Ar, 38mK, 38Ca(EC), (β+); calculated length parameter from fit of charge radii and radial-overlap correction with several different parametrizations, Fermi matrix elements, adjusted Ft values for 0+ to 0+ superallowed beta transitions, isospin symmetry-breaking correction, CVC test for radial overlap correction. Shell model calculations with USD, USDA, and USDB effective interactions. Comparison with Towner-Hardy calculations and evaluations of superallowed beta transitions.
doi: 10.1103/PhysRevC.97.024324
2017SM02 Phys.Rev. C 95, 054301 (2017) N.A.Smirnova, B.Blank, B.A.Brown, W.A.Richter, N.Benouaret, Y.H.Lam Isospin mixing from β-delayed proton emission RADIOACTIVITY 44Cr, 48Fe(β+), (β+p); calculated half-lives of precursors, excitation energies and electromagnetic widths of the IAS in daughter nuclei, single-particle proton widths and shell-model spectroscopic factors; deduced isospin mixing in the IAS using experimental β-delayed proton to γ-emission branching ratios. 44V, 44Sc, 48Mn, 48V; calculated levels, J, π, and compared with experimental data. Shell model calculations using cdGX1A and cdKB3G effective interactions.
doi: 10.1103/PhysRevC.95.054301
2017XU01 Phys.Lett. B 766, 312 (2017) X.X.Xu, C.J.Lin, L.J.Sun, J.S.Wang, Y.H.Lam, J.Lee, D.Q.Fang, Z.H.Li, N.A.Smirnova, C.X.Yuan, L.Yang, Y.T.Wang, J.Li, N.R.Ma, K.Wang, H.L.Zang, H.W.Wang, C.Li, M.L.Liu, J.G.Wang, C.Z.Shi, M.W.Nie, X.F.Li, H.Li, J.B.Ma, P.Ma, S.L.Jin, M.R.Huang, Z.Bai, F.Yang, H.M.Jia, Z.H.Liu, D.X.Wang, Y.Y.Yang, Y.J.Zhou, W.H.Ma, J.Chen, Z.G.Hu, M.Wang, Y.H.Zhang, X.W.Ma, X.H.Zhou, Y.G.Ma, H.S.Xu, G.Q.Xiao, H.Q.Zhang Observation of β-delayed two-proton emission in the decay of 22Si RADIOACTIVITY 22Si(β+2p) [from 9Be(28Si, X), E=75.8 MeV/nucleon]; measured decay products, Ep, Ip; deduced Q-value, ground-state mass, two-proton separation energy. Comparison with large-scale shell-model calculations.
doi: 10.1016/j.physletb.2017.01.028
2016SM01 Phys.Rev. C 93, 044305 (2016) N.A.Smirnova, B.Blank, B.A.Brown, W.A.Richter, N.Benouaret, Y.H.Lam Theoretical analysis of isospin mixing with the β decay of 56Zn RADIOACTIVITY 56Zn(β+), (β+p); calculated half-life of Tz=-2 56Zn ground state, Tz=-1 energy levels and Jπ and lowest 0+ states in 56Cu, T=2 IAS in 56Cu, theoretical Iβ of the IAS, levels and Jπ of 55Ni, proton and gamma widths, isospin mixing in the IAS, spectroscopic factor for proton emission. Explained highly retarded proton decay of the IAS in 56Cu. Shell-model calculations using isospin nonconserving Hamiltonians based on the cdGX1A and cdKB3G interactions. Comparison with available experimental data.
doi: 10.1103/PhysRevC.93.044305
2016SU10 Phys.Lett. B 756, 323 (2016) J.Su, W.P.Liu, N.T.Zhang, Y.P.Shen, Y.H.Lam, N.A.Smirnova, M.MacCormick, J.S.Wang, L.Jing, Z.H.Li, Y.B.Wang, B.Guo, S.Q.Yan, Y.J.Li, S.Zeng, G.Lian, X.C.Du, L.Gan, X.X.Bai, Z.C.Gao, Y.H.Zhang, X.H.Zhou, X.D.Tang, J.J.He, Y.Y.Yang, S.L.Jin, P.Ma, J.B.Ma, M.R.Huang, Z.Bai, Y.J.Zhou, W.H.Ma, J.Hu, S.W.Xu, S.B.Ma, S.Z.Chen, L.Y.Zhang, B.Ding, Z.H.Li, G.Audi Revalidation of the isobaric multiplet mass equation at A = 53, T = 3/2 RADIOACTIVITY 53Ni(EC), (ECp) [from Be(58Ni, X)53Ni, E=68.3 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2, level scheme, J, π, isobaric analog state, mass excess, explanation of unexpected deviation from the isobaric multiplet mass equation (IMME) at A=53, T=3/2.
doi: 10.1016/j.physletb.2016.03.024
2013LA15 Phys.Rev. C 87, 054304 (2013) Y.H.Lam, N.A.Smirnova, E.Caurier Isospin nonconservation in sd-shell nuclei NUCLEAR STRUCTURE 18Ne, 38K, 30S, 26Mg; calculated ratios of Coulomb expectation values for various short-range correlation (SRC) approaches. A=19-39; calculated isobaric-mass-multiplet equation (IMME) coefficients from a new global parametrization of the isospin-nonconserving (INC) shell-model Hamiltonian. 32Ar, 32Cl, 32S, 32P, 32Si; calculated mass using IMME fit. 22Mg, 26mAl, 26Si, 30S, 34Cl, 34Ar; calculated Fermi matrix corrections, and Ft values for superallowed (0+ to 0+) β transitions. Comparison with Towner-Hardy evaluations. Discussed charge-dependent forces to the nuclear pairing. Isospin- symmetry breaking in sd-shell nuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.054304
2013LA29 At.Data Nucl.Data Tables 99, 680 (2013) Y.H.Lam, B.Blank, N.A.Smirnova, J.B.Bueb, M.S.Antony The isobaric multiplet mass equation for A ≤ 71 revisited COMPILATION A ≤ 71; compiled nuclear structure properties, energy levels of the members of isobaric multiplet; deduced isobaric multiplet mass equation (IMME). Atomic Mass Evaluation 2011.
doi: 10.1016/j.adt.2012.11.002
2012SM05 Phys.Rev. C 86, 034314 (2012) N.A.Smirnova, K.Heyde, B.Bally, F.Nowacki, K.Sieja Nuclear shell evolution and in-medium NN interaction NUCLEAR STRUCTURE 16,18,20,22,28,36O, 24Ne, 26Mg, 34,42Si, 36,44S, 40,42,44,46,48Ca, 50Ti, 52Cr, 54Fe, 56Ni, 80,82,84,86,88,90Zr, 92Mo, 94Ru, 96Pd, 98Cd, 100Sn; calculated neutron and proton effective single-particle energies (ESPEs) based on an effective two-body shell-model interaction in sdpf shell-model space. Role of central and tensor terms in understanding evolution of the shell gaps at N=20 and N=28.
doi: 10.1103/PhysRevC.86.034314
2010BI03 Phys.Lett. B 690, 15 (2010) L.Bianco, R.D.Page, I.G.Darby, D.T.Joss, J.Simpson, J.S.Al-Khalili, A.J.Cannon, B.Cederwall, S.Eeckhaudt, S.Erturk, B.Gall, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, K.Heyde, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, E.S.Paul, M.Petri, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, N.A.Smirnova, A.N.Steer, P.D.Stevenson, E.B.Suckling, J.Thomson, J.Uusitalo, M.Venhart Discovery of 157W and 161Os NUCLEAR REACTIONS 106Cd(58Ni, 3n), E=290, 310 MeV; measured reaction products; deduced α spectra, α-branching, T1/2, fine structure, ground state J, π. RADIOACTIVITY 161Os(α), 157W(β+); measured decay products; deduced T1/2, β-branching. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2010.04.056
2010SM02 Phys.Lett. B 686, 109 (2010) N.A.Smirnova, B.Bally, K.Heyde, F.Nowacki, K.Sieja Shell evolution and nuclear forces NUCLEAR STRUCTURE 28,36O, 34,42Si, 36S, 40,48,52,54,60Ca; calculated systematics of neutron effective single-particle and proton single-hole state energies. 27O, 33Si, 35S, 39Ca; calculated binding energy. Shell model with spin-tensor decomposition and realistic interaction.
doi: 10.1016/j.physletb.2010.02.051
2008HI01 Phys.Lett. B 658, 203 (2008) P.Himpe, G.Neyens, D.L.Balabanski, G.Belier, J.M.Daugas, F.de Oliveira Santos, M.De Rydt, K.T.Flanagan, I.Matea, P.Morel, Yu.E.Penionzhkevich, L.Perrot, N.A.Smirnova, C.Stodel, J.C.Thomas, N.Vermeulen, D.T.Yordanov, Y.Utsuno, T.Otsuka g factor of the exotic N = 21 isotope 34Al: probing the N = 20 and N = 28 shell gaps at the border of the "island of inversion" RADIOACTIVITY 34Al(β-); measured β-assymetry. 34Al; deduced g-factor, μ; deduced ground state J, π and intruder configuration contribution.
doi: 10.1016/j.physletb.2007.11.017
2006HI18 Phys.Lett. B 643, 257 (2006) P.Himpe, G.Neyens, D.L.Balabanski, G.Belier, D.Borremans, J.M.Daugas, F.de Oliveira Santos, M.De Rydt, K.Flanagan, G.Georgiev, M.Kowalska, S.Mallion, I.Matea, P.Morel, Yu.E.Penionzhkevich, N.A.Smirnova, C.Stodel, K.Turzo, N.Vermeulen, D.Yordanov g factors of 31, 32, 33Al: Indication for intruder configurations in the 33Al ground state NUCLEAR MOMENTS 31,32,33Al [from 9Be(36S, X), E=77.5 MeV/nucleon]; measured J, π of ground states, magnetic moments, hyperfine structure using laser and β-NMR spectroscopy; deduced g factors, magnetic dipole moments. Compared with shell-model calculations.
doi: 10.1016/j.physletb.2006.10.26
2006TH12 Phys.Rev. C 74, 054309 (2006) J.-C.Thomas, H.De Witte, M.Gorska, M.Huyse, K.Kruglov, Y.Kudryavtsev, D.Pauwels, N.V.S.V.Prasad, K.Van de Vel, P.Van Duppen, J.Van Roosbroeck, S.Franchoo, J.Cederkall, H.O.U.Fynbo, U.Georg, O.Jonsson, U.Koster, L.Weissman, W.F.Mueller, V.N.Fedosseev, V.I.Mishin, D.Fedorov, A.De Maesschalck, N.A.Smirnova β-decay properties of 72Ni and 72Cu RADIOACTIVITY 72Ni, 72Cu(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-coin, T1/2; deduced log ft. 72Cu, 72Zn deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.74.054309
2005VA19 Phys.Rev. C 71, 054307 (2005) J.Van Roosbroeck, H.De Witte, M.Gorska, M.Huyse, K.Kruglov, D.Pauwels, J.-Ch.Thomas, K.Van de Vel, P.Van Duppen, S.Franchoo, J.Cederkall, V.N.Fedoseyev, H.Fynbo, U.Georg, O.Jonsson, U.Koster, L.Weissman, W.F.Mueller, V.I.Mishin, D.Fedorov, A.De Maesschalck, N.A.Smirnova, K.Heyde Evolution of the nuclear structure approaching 78Ni: β decay of 74-78Cu RADIOACTIVITY 74,76,78Cu(β-); 78Cu(β-n) [from 238U(n, F), (p, F)]; measured Eγ, Iγ, βγ-coin, T1/2. 74,76,77,78Zn deduced levels, J, π, configurations. Mass separator, comparisons with model predictions.
doi: 10.1103/PhysRevC.71.054307
2004GA25 Phys.Rev. C 69, 054321 (2004) A.Gade, N.Pietralla, P.von Brentano, D.Belic, C.Fransen, U.Kneissl, C.Kohstall, A.Linnemann, H.H.Pitz, M.Scheck, N.A.Smirnova, F.Stedile, V.Werner Investigation of dipole excitations in 142Ce using resonant photon scattering NUCLEAR REACTIONS 142Ce(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. 142Ce deduced levels, J, dipole strength distribution. Nuclear resonance fluorescence, comparison with model predictions.
doi: 10.1103/PhysRevC.69.054321
2004GE11 Eur.Phys.J. A 20, 93 (2004) G.Georgiev, G.Neyens, M.Hass, D.L.Balabanski, C.Bingham, C.Borcea, N.Coulier, R.Coussement, J.M.Daugas, G.de France, M.Gorska, H.Grawe, R.Grzywacz, M.Lewitowicz, H.Mach, I.Matea, F.de Oliveira Santos, R.D.Page, M.Pfutzner, Yu.E.Penionzhkevich, Z.Podolyak, P.H.Regan, K.Rykaczewski, M.Sawicka, N.A.Smirnova, Yu.Sobolev, M.Stanoiu, S.Teughels, K.Vyvey g-factors of isomeric states in the neutron-rich nuclei RADIOACTIVITY 67Ni, 69Cu(IT) [from Be(76Ge, X)]; measured Eγ, Iγ(θ, H, t). 67Ni, 69Cu deduced isomeric states g factors. Time-dependent perturbed angular distribution method.
doi: 10.1140/epja/i2002-10328-9
2004SM03 Phys.Rev. C 69, 044306 (2004) N.A.Smirnova, A.De Maesschalck, A.Van Dyck, K.Heyde Shell-model description of monopole shift in neutron-rich Cu NUCLEAR STRUCTURE 57,59,61,63,65,67,69,71,73,75,77Cu; calculated level energies, spectroscopic factors, monopole shift. Shell model, comparison with data.
doi: 10.1103/PhysRevC.69.044306
2004VA07 Phys.Rev.Lett. 92, 112501 (2004) J.Van Roosbroeck, C.Guenaut, G.Audi, D.Beck, K.Blaum, G.Bollen, J.Cederkall, P.Delahaye, A.De Maesschalck, H.De Witte, D.Fedorov, V.N.Fedoseyev, S.Franchoo, H.O.U.Fynbo, M.Gorska, F.Herfurth, K.Heyde, M.Huyse, A.Kellerbauer, H.-J.Kluge, U.Koster, K.Kruglov, D.Lunney, V.I.Mishin, W.F.Mueller, Sz.Nagy, S.Schwarz, L.Schweikhard, N.A.Smirnova, K.Van de Vel, P.Van Duppen, A.Van Dyck, W.B.Walters, L.Weissman, C.Yazidjian Unambiguous Identification of Three β-Decaying Isomers in 70Cu RADIOACTIVITY 70Ni(β-); 70mCu(β-), (IT) [from U(p, F) and subsequent decay]; measured Eγ, Iγ, T1/2; deduced log ft. 70Cu deduced levels J, π, configurations. Large scale shell model calculations. ATOMIC MASSES 70mCu; measured isomeric states mass excesses. Penning trap.
doi: 10.1103/PhysRevLett.92.112501
2004VA08 Phys.Rev. C 69, 034313 (2004) J.Van Roosbroeck, H.De Witte, M.Gorska, M.Huyse, K.Kruglov, K.Van de Vel, P.Van Duppen, S.Franchoo, J.Cederkall, V.N.Fedoseyev, H.Fynbo, U.Georg, O.Jonsson, U.Koster, L.Weissman, W.F.Mueller, V.I.Mishin, D.Fedorov, W.B.Walters, N.A.Smirnova, A.Van Dyck, A.De Maesschalck, K.Heyde, and the IS365 and ISOLDE Collaborations Coupling a proton and a neutron to the semidoubly magic nucleus 68Ni: A study of 70Cu via the β decay of 70Ni and 70Cu RADIOACTIVITY 70Ni, 70Cu(β-); measured Eγ, Iγ, βγ-coin; deduced log ft. 70Cu, 70Zn levels deduced β-branching ratios. 70Cu deduced isomeric states J, π, T1/2. In-source laser spectroscopy, shell model analysis.
doi: 10.1103/PhysRevC.69.034313
2003PI12 Phys.Rev. C 68, 031305 (2003) N.Pietralla, C.Fransen, A.Gade, N.A.Smirnova, P.von Brentano, V.Werner, S.W.Yates Proton-neutron structure of the effective quadrupole-octupole coupled E1 transition operator NUCLEAR STRUCTURE 92Zr, 94Mo, 96Ru, 142Ce; analyzed transitions B(E1); deduced strong F-vector electric dipole transitions.
doi: 10.1103/PhysRevC.68.031305
2003SM02 Nucl.Phys. A714, 441 (2003) On the asymmetry of Gamow-Teller β-decay rates in mirror nuclei in relation with second-class currents RADIOACTIVITY 8,9Li, 12,13B, 17N, 20O, 20,21F, 25Na, 28,31Al, 35S, 35P(β-); 8B, 9C, 12,13N, 13O, 17Ne, 20Na, 20,21Mg, 25Si, 28P, 31Ar, 35K, 35Ca(β+); calculated Gamow-Teller decay rates. Comparison with data. NUCLEAR MOMENTS 8,9Li, 9Be, 8,12,13B, 9,13C, 12,13N, 13O; calculated μ, quadrupole moments.
doi: 10.1016/S0375-9474(02)01392-1
2003SM04 Phys.Lett. B 569, 151 (2003) N.A.Smirnova, P.-H.Heenen, G.Neyens Self-consistent approach to deformation of intruder states in neutron-deficient Pb and Po NUCLEAR STRUCTURE 184,186,188,190,192,194,196,198Pb, 188,190,192,194,196,198,200Po; calculated levels, J, π, configurations, deformation, isomeric states quadrupole moments. Self-consistent Hartree-Fock-Bogoliubov approach, comparison with data.
doi: 10.1016/j.physletb.2003.07.042
2002BO22 Phys.Lett. 537B, 45 (2002) D.Borremans, S.Teughels, N.A.Smirnova, D.L.Balabanski, N.Coulier, J.-M.Daugas, F.de Oliveira Santos, G.Georgiev, M.Lewitowicz, I.Matea, Yu.E.Penionzhkevich, W.-D.Schmidt-Ott, Yu.Sobolev, M.Stanoiu, K.Vyvey, G.Neyens Spin and Magnetic Moment of 31Al Ground State RADIOACTIVITY 31Al(β-); measured β-NMR spectra. 31Al deduced ground-state J, π, g factor. Comparison with shell-model predictions, data from neighboring isotopes.
doi: 10.1016/S0370-2693(02)01867-1
2002CH59 Phys.Rev. C 66, 061302 (2002) P.Chau Huu-Tai, A.Frank, N.A.Smirnova, P.Van Isacker Geometry of random interactions
doi: 10.1103/PhysRevC.66.061302
2002GE16 J.Phys.(London) G28, 2993 (2002) G.Georgiev, G.Neyens, M.Hass, D.L.Balabanski, C.Bingham, C.Borcea, N.Coulier, R.Coussement, J.M.Daugas, G.De France, F.de Oliveira Santos, M.Gorska, H.Grawe, R.Grzywacz, M.Lewitowicz, H.Mach, I.Matea, R.D.Page, M.Pfutzner, Yu.E.Penionzhkevich, Z.Podolyak, P.H.Regan, K.Rykaczewski, M.Sawicka, N.A.Smirnova, Y.G.Sobolev, M.Stanoiu, S.Teughels, K.Vyvey g factor measurements of μs isomeric states in neutron-rich nuclei around 68Ni produced in projectile-fragmentation reactions NUCLEAR REACTIONS 9Be(76Ge, X)67mNi/69mCu, E=61.4 MeV/nucleon; measured Eγ, Iγ(θ, H, t) following isomeric state decay. 67Ni, 69Cu levels deduced g factors. Time-dependent perturbed angular distribution method.
doi: 10.1088/0954-3899/28/12/308
2002NE07 Nucl.Phys. A701, 403c (2002) G.Neyens, G.Georgiev, R.Grzywacz, M.Hass, F.de Oliveira Santos, M.Lewitowicz, D.L.Balabanski, C.Bingham, C.Borcea, N.Coulier, R.Coussement, J.M.Daugas, G.De France, G.Goldring, M.Gorska, H.Grawe, C.O'Leary, I.Macovei, H.Mach, R.Page, M.Pfutzner, Yu.-E.Penionzhkevich, Z.Podolyak, P.H.Regan, K.Rykaczewski, M.Sawicka, N.A.Smirnova, Yu.Sobolev, S.Teughels, K.Vyvey g-Factors of Isomers Around N ≈ 40, Z ≈ 28 from Time-Dependent Larmor Precession on Spin-Aligned Projectile-Like Fragments RADIOACTIVITY 69mCu(IT) [from 9Be(76Ge, X)]; measured Eγ, Iγ(θ, H, t). 69Cu levels deduced g factors. Time differential perturbed angular distribution method.
doi: 10.1016/S0375-9474(01)01618-9
2002SM01 Phys.Rev. C65, 024319 (2002) N.A.Smirnova, N.Pietralla, A.Leviatan, J.N.Ginocchio, C.Fransen Extended M1 Sum Rule for Excited Symmetric and Mixed-Symmetry States in Nuclei NUCLEAR STRUCTURE 94Mo; analyzed mixed-symmetry states B(M1) transition rates; deduced quadrupole d-boson ratio. Interacting boson model, generalized sum rule.
doi: 10.1103/PhysRevC.65.024319
2001GE13 Yad.Fiz. 64, No 7, 1258 (2001); Phys.Atomic Nuclei 64, 1181 (2001) G.Georgiev, D.L.Balabanski, C.Bingham, C.Borcea, N.Coulier, R.Coussement, J.M.Daugas, G.De France, F.de Oliveira Santos, G.Goldring, M.Gorska, H.Grawe, R.Grzywacz, M.Hass, C.O'Leary, M.Lewitowicz, H.Mach, I.Macovei, R.Page, M.Pfutzner, Yu.E.Penionzhkevich, Zs.Podolyak, P.H.Regan, K.Rykaczewski, M.Sawicka, N.A.Smirnova, Yu.G.Sobolev, M.Stanoiu, S.Teughels, K.Vyvey, G.Neyens Measurement of the g Factors of Isomers Near the Proposed N ≈ 40 Subshell Closure NUCLEAR REACTIONS 9Be(76Ge, X)69mCu/67mNi/66mCo, E=61.4 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coin. 69Cu deduced transitions g factors, isomer T1/2, level configurations. Time-dependent perturbed angular correlation.
doi: 10.1134/1.1389539
2001NE03 Nucl.Phys. A682, 214c (2001) G.Neyens, D.L.Balabanski, D.Borremans, R.Coussement, N.Coulier, J.M.Daugas, F.de Oliveira Santos, G.Georgiev, M.Lewitowicz, N.A.Smirnova, S.Teughels, K.Vyvey, and the GANIL E255/E322/E314a/E348 Collaborations Recent Results on Nuclear Moments of Neutron-Rich Ground States and Isomers from Projectile Fragmentation NUCLEAR MOMENTS 27Na; measured NMR spectra. 31Al; measured g factor. Spin-oriented projectile fragment beams.
doi: 10.1016/S0375-9474(00)00642-4
2000SM04 Phys.Rev. C61, 041302 (2000) Y.F.Smirnov, N.A.Smirnova, P.Van Isacker SU(3) Realization of the Rigid Asymmetric Rotor within the Interacting Boson Model
doi: 10.1103/PhysRevC.61.041302
2000SM11 Nucl.Phys. A678, 235 (2000) N.A.Smirnova, N.Pietralla, T.Mizusaki, P.Van Isacker Interrelation between the Isoscalar Octupole Phonon and the Proton-Neutron Mixed-Symmetry Quadrupole Phonon in Near-Spherical Nuclei
doi: 10.1016/S0375-9474(00)00331-6
2000SM12 Phys.Rev. C62, 045803 (2000) 21Na(p, γ)22Mg Thermonuclear Rate for 22Na Production in Novae NUCLEAR STRUCTURE 22Ne, 22Mg; calculated levels spectroscopic factors, transitions B(E2). Shell model, comparisons with data. NUCLEAR REACTIONS 21Ne(d, p), E not given; analyzed data; deduced spectroscopic factors, B(E2), B(M1). 21Na(p, γ), E not given; deduced reaction rate limits. Comparison with previous results.
doi: 10.1103/PhysRevC.62.045803
1998SH26 Phys.Lett. 434B, 237 (1998) A.M.Shirokov, N.A.Smirnova, Yu.F.Smirnov Parameter Symmetry of the Interacting Boson Model NUCLEAR STRUCTURE 192,194,196Pt; calculated levels E, J, π; deduced parameters symmetry features. Interacting boson model.
doi: 10.1016/S0370-2693(98)00791-6
1997SM06 Bull.Rus.Acad.Sci.Phys. 61, 54 (1997) Additional Symmetry of the IBM Hamiltonian
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