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NSR database version of May 24, 2024.

Search: Author = N.Smirnova

Found 65 matches.

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2024XA01      Phys.Rev. C 109, 014317 (2024)

L.Xayavong, N.A.Smirnova

Higher-order isospin-symmetry-breaking corrections to nuclear matrix elements of Fermi β decays

doi: 10.1103/PhysRevC.109.014317
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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
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2022SA20      Phys.Lett. B 829, 137059 (2022)

M.Saxena, W.-J.Ong, Z.Meisel, D.E.M.Hoff, N.Smirnova, P.C.Bender, S.P.Burcher, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, R.Conaway, P.A.Copp, B.P.Crider, J.Derkin, A.Estrae, G.Hamad, J.T.Harke, R.Jain, H.Jayatissa, S.N.Liddick, B.Longfellow, M.Mogannam, F.Montes, N.Nepal, T.H.Ogunbeku, A.L.Richard, H.Schatz, D.Soltesz, S.K.Subedi, I.Sultana, A.S.Tamashiro, V.Tripathi, Y.Xiao, R.Zink

57Zn β-delayed proton emission establishes the 56Ni rp-process waiting point bypass

RADIOACTIVITY 57Zn(β+p), (β+) [from 9Be(78Kr, X)57Zn, E=150 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, Ep, Ip; deduced T1/2, βp branching ratio, β-γ-p decay mode transitions. The Coupled Cyclotron Facility of NSCL.

doi: 10.1016/j.physletb.2022.137059
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2022XA01      Phys.Rev. C 105, 044308 (2022)

L.Xayavong, N.A.Smirnova

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
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2021KL02      Phys.Rev. C 103, 024316 (2021)

O.Klochko, N.A.Smirnova

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
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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
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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
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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
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2019SM02      Nuovo Cim. C 42, 54 (2019)

N.A.Smirnova

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
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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
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2019SU25      Hyperfine Interactions 240, 65 (2019)

J.Surbrook, M.MacCormick, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, S.M.Lenzi, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, P.Schury, N.Smirnova, C.Sumithrarachchi, A.A.Valverde, A.C.C.Villari, I.T.Yandow

Precision mass measurements of 44V and 44mV for nucleon-nucleon interaction studies

ATOMIC MASSES 44V, 44mV; measured frequencies, TOF; deduced masses. Penning trap mass spectrometry in the LEBIT 9.4 T Penning trap at the National Superconducting Cyclotron Laboratory at Michigan State University.

doi: 10.1007/s10751-019-1602-y
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2018XA01      Phys.Rev. C 97, 024324 (2018)

L.Xayavong, N.A.Smirnova

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
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2017MA18      Eur.Phys.J. A 53, 77 (2017)

C.Magron, Ph.Alfaurt, B.Blank, L.Daudin, T.Eronen, M.Gerbaux, J.Giovinazzo, D.Gorelov, S.Grevy, H.Guerin, J.Hakala, V.S.Kolhinen, J.Koponen, T.Kurtukian Nieto, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, M.Roche, A.de Roubin, N.Smirnova, B.Thomas, A.Voss, L.Xayavong

Precise measurements of half-lives and branching ratios for the β mirror transitions in the decay of 23Mg and 27Si

RADIOACTIVITY 23Mg, 27Si(β+), (EC)[from 23Na, 27Si(p, n), E=15, 30 MeV]; measured Eβ, Iβ using plastic scintillator, Eγ, Iγ using Ge detector; deduced T1/2, super-allowed branching ratio. Compared with other published results.

doi: 10.1140/epja/i2017-12271-0
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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
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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
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2016DE15      Phys.Lett. B 758, 26 (2016)

F.de Grancey, A.Mercenne, F.de Oliveira Santos, T.Davinson, O.Sorlin, J.C.Angeique, M.Assie, E.Berthoumieux, R.Borcea, A.Buta, I.Celikovic, V.Chudoba, J.M.Daugas, G.Dumitru, M.Fadil, S.Grevy, J.Kiener, A.Lefebvre-Schuhl, N.Michel, J.Mrazek, F.Negoita, J.Okolowicz, D.Pantelica, M.G.Pellegriti, L.Perrot, M.Ploszajczak, G.Randisi, I.Ray, O.Roig, F.Rotaru, M.G.Saint Laurent, N.Smirnova, M.Stanoiu, I.Stefan, C.Stodel, K.Subotic

An above-barrier narrow resonance in 15F

NUCLEAR REACTIONS 1H(14O, p), (14O, X)15F, E=95 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ(θ), resonance energy and width, level scheme, J, π. Comparison with Gamow shell model calculations.

doi: 10.1016/j.physletb.2016.04.051
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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
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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
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2015BL02      Eur.Phys.J. A 51, 8 (2015)

B.Blank, J.-C.Thomas, P.Ascher, L.Audirac, A.Bacquias, L.Caceres, G.Canchel, L.Daudin, F.de Oliveira Santos, F.Didierjean, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, I.Matea, F.Munoz, M.Roche, L.Serani, N.Smirnova, J.Souin

Half-life and branching ratios for the β decay of 38Ca

RADIOACTIVITY 38Ca(β+)[from 40Ca fragmentation]; measured Iβ using scintillator, Eγ, Iγ using Ge; deduced T1/2, Ft, branching ratio. 38K deduced γ transitions decay scheme (partially using also Anderson data). 38Ca calculated β decay scheme with branching ratios, strength distribution using shell model with USD and Chung-Wildenthal interactions.

doi: 10.1140/epja/i2015-15008-1
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2014PA45      Phys.Rev. C 90, 034321 (2014)

J.Papuga, M.L.Bissell, K.Kreim, C.Barbieri, K.Blaum, M.De Rydt, T.Duguet, R.F.Garcia Ruiz, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, R.Sanchez, N.Smirnova, V.Soma, D.T.Yordanov

Shell structure of potassium isotopes deduced from their magnetic moments

NUCLEAR MOMENTS 38,38m,39,42,44,46,47,48,49,50,51K; measured hyperfine structure using high-resolution collinear laser spectroscope COLLAPS and Paul trap ISCOOL at ISOLDE-CERN; deduced J, magnetic moments, configurations, magnetic hyperfine parameters. Potassium isotopes produced in U(p, X), E=1 GeV at ISOLDE-CERN. 38,40,41,42,43,44,45,46,47,48,49,51K; deduced hyperfine structure anomalies. Comparison with shell model calculations using SDPF-NR and SDPF-U effective interactions, and with previous experimental results.

doi: 10.1103/PhysRevC.90.034321
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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
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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
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2013SM01      Acta Phys.Pol. B44, 479 (2013)

N.Smirnova, Y.H.Lam, E.Caurier

Isospin-forbidden β-delayed Proton Emission from 22Al

RADIOACTIVITY 22Al(β+), (β+p); calculated branching ratios for a proton emission, proton widths. INC Hamiltonian, comparison with available data.

doi: 10.5506/APhysPolB.44.479
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2012AS04      Phys.Lett. B 712, 198 (2012)

M.Assie, F.de Oliveira Santos, T.Davinson, F.de Grancey, L.Achouri, J.Alcantara-Nunez, T.Al Kalanee, J.-C.Angelique, C.Borcea, R.Borcea, L.Caceres, I.Celikovic, V.Chudoba, D.Y.Pang, C.Ducoin, M.Fallot, O.Kamalou, J.Kiener, Y.Lam, A.Lefebvre-Schuhl, G.Lotay, J.Mrazek, L.Perrot, A.M.Sanchez-Benitez, F.Rotaru, M.-G.Saint-Laurent, Yu.Sobolev, N.Smirnova, M.Stanoiu, I.Stefan, K.Subotic, P.Ujic, R.Wolski, P.J.Woods

Spectroscopy of 18Na: Bridging the two-proton radioactivity of 19Mg

RADIOACTIVITY 19Mg(2p), 18Na(p) [from H(17Ne, p)17Ne, E=4 MeV/nucleon]; measured decay products, Ep, Ip. 17Ne; deduced level energies, J, π. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2012.04.059
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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
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2011RA42      Phys.Rev. C 84, 064323 (2011)

E.Rapisarda, I.Stefanescu, D.L.Balabanski, B.Bastin, A.Blazhev, N.Bree, M.Danchev, B.Bruyneel, T.Davinson, P.Delahaye, J.Diriken, J.Eberth, G.Georgiev, D.Fedorov, V.N.Fedosseev, E.Fiori, S.Franchoo, Ch.Fransen, K.Geibel, K.Gladnishki, K.Hadynska, H.Hess, K.Heyde, M.Huyse, O.Ivanov, J.Iwanicki, J.Jolie, M.Kalkuehler, Th.Kroll, R.Krucken, U.Koster, G.Lo Bianco, R.Lozeva, B.A.Marsh, S.Nardelli, F.Nowacki, N.Patronis, P.Reiter, M.Seidlitz, K.Sieja, N.Smirnova, J.Srebrny, J.Van de Walle, P.Van Duppen, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek, S.Zemlyanoi, M.Zielinska

Coulomb excitation of the 3- isomer in 70Cu

NUCLEAR REACTIONS 120Sn(70Cu, 70Cu'), [3- and 6- 70Cu beams from U(p, X), E=1.4 GeV], E=2.8 MeV/nucleon; measured Eγ, Iγ, γγ-coin, particle spectra of scattered projectile and recoiling target nuclei, particle-γ coin. 70Cu; deduced levels, J, π, transition matrix elements, B(E2), configurations. On-Line Isotope Mass Separator (CERN-ISOLDE) facility. Comparison with shell model calculations and with B(E2) values in 68,72Cu.

doi: 10.1103/PhysRevC.84.064323
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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
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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
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2009VA01      Phys.Rev. C 79, 014309 (2009)

J.Van de Walle, F.Aksouh, T.Behrens, V.Bildstein, A.Blazhev, J.Cederkall, E.Clement, T.E.Cocolios, T.Davinson, P.Delahaye, J.Eberth, A.Ekstrom, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, R.Gernhauser, G.Georgiev, D.Habs, K.Heyde, G.Huber, M.Huyse, F.Ibrahim, O.Ivanov, J.Iwanicki, J.Jolie, O.Kester, U.Koster, T.Kroll, R.Krucken, M.Lauer, A.F.Lisetskiy, R.Lutter, B.A.Marsh, P.Mayet, O.Niedermaier, M.Pantea, R.Raabe, P.Reiter, M.Sawicka, H.Scheit, G.Schrieder, D.Schwalm, M.D.Seliverstov, T.Sieber, G.Sletten, N.Smirnova, M.Stanoiu, I.Stefanescu, J.-C.Thomas, J.J.Valiente-Dobon, P.Van Duppen, D.Verney, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, B.H.Wolf, M.Zielinska

Low-energy Coulomb excitation of neutron-rich zinc isotopes

NUCLEAR REACTIONS 120Sn(74Zn, 74Zn'), E=2.87 MeV/nucleon; 120Sn(76Zn, 76Zn'), E=2.83 MeV/nucleon; 108Pd(78ZN, 78Zn'), E=2.87 MeV/nucleon; 108Pd(80Zn, 80Zn'), E=2.79 MeV/nucleon; measured Eγ, Iγ, charged particle spectra, (particle)-γ coin, measured half-lives of first 2+ state, B(E2). 74,76,78,80Zn, 80Ga, 80Rb, 108Pd, 120Sn; deduced levels. Fe, Ni, Zn, Ge, Se; systematics of B(E2) values. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.79.014309
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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
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2007BO01      Phys.Rev. C 75, 014316 (2007)

N.Boelaert, N.Smirnova, K.Heyde, J.Jolie

Shell model description of the low-lying states of the neutron deficient Cd isotopes

NUCLEAR STRUCTURE 98,100,102,104,106Cd; calculated levels, J, π, B(E2), possible mixed-symmetry states. Shell model, comparison with data.

doi: 10.1103/PhysRevC.75.014316
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2007BO17      Phys.Rev. C 75, 054311 (2007); Erratum Phys.Rev. C 77, 019901 (2008)

N.Boelaert, A.Dewald, C.Fransen, J.Jolie, A.Linnemann, B.Melon, O.Moller, N.Smirnova, K.Heyde

Low-spin electromagnetic transition probabilities in 102, 104Cd

NUCLEAR REACTIONS 92Mo(12C, 2n), E=41 MeV; 94Mo(12C, 2n), E=42 MeV; measured Eγ, Iγ and lifetimes for low lying states using recoil distance Doppler shift technique. Deduced B(E2).

doi: 10.1103/PhysRevC.75.054311
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2007DE47      Nucl.Phys. A791, 251 (2007)

N.de Sereville, A.Coc, C.Angulo, M.Assuncao, D.Beaumel, E.Berthoumieux, B.Bouzid, S.Cherubini, M.Couder, P.Demaret, F.de Oliveira Santos, P.Figuera, S.Fortier, M.Gaelens, F.Hammache, J.Kiener, A.Lefebvre-Schuhl, D.Labar, P.Leleux, M.Loiselet, A.Ninane, S.Ouichaoui, G.Ryckewaert, N.Smirnova, V.Tatischeff

Indirect study of 19Ne states near the 18F + p threshold

NUCLEAR REACTIONS 2H(18F, p), (18F, pα), E(cm)=1.4 MeV; measured particle energies and yields, cross sections and angular distributions. 19F, Ne deduced level energies and decay widths. Discussed astrophysical implications.

doi: 10.1016/j.nuclphysa.2007.02.003
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2007ST03      Phys.Rev.Lett. 98, 122701 (2007)

I.Stefanescu, G.Georgiev, F.Ames, J.Aysto, D.L.Balabanski, G.Bollen, P.A.Butler, J.Cederkall, N.Champault, T.Davinson, A.De Maesschalck, P.Delahaye, J.Eberth, D.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, K.Gladnishki, D.Habs, K.Heyde, M.Huyse, O.Ivanov, J.Iwanicki, J.Jolie, B.Jonson, Th.Kroll, R.Krucken, O.Kester, U.Koster, A.Lagoyannis, L.Liljeby, G.Lo Bianco, B.A.Marsh, O.Niedermaier, T.Nilsson, M.Oinonen, G.Pascovici, P.Reiter, A.Saltarelli, H.Scheit, D.Schwalm, T.Sieber, N.Smirnova, J.Van De Walle, P.Van Duppen, S.Zemlyanoi, N.Warr, D.Weisshaar, F.Wenander

Coulomb Excitation of 68, 70Cu: First Use of Postaccelerated Isomeric Beams

NUCLEAR REACTIONS 120Sn(68Cu, 68Cu'), (70Cu, 70Cu'), E=2.83 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 68,70Cu deduced transitions B(E2). Isomeric beams, comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevLett.98.122701
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2007VA20      Phys.Rev.Lett. 99, 142501 (2007)

J.Van de Walle, F.Aksouh, F.Ames, T.Behrens, V.Bildstein, A.Blazhev, J.Cederkall, E.Clement, T.E.Cocolios, T.Davinson, P.Delahaye, J.Eberth, A.Ekstrom, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, R.Gernhauser, G.Georgiev, D.Habs, K.Heyde, G.Huber, M.Huyse, F.Ibrahim, O.Ivanov, J.Iwanicki, J.Jolie, O.Kester, U.Koster, T.Kroll, R.Krucken, M.Lauer, A.F.Lisetskiy, R.Lutter, B.A.Marsh, P.Mayet, O.Niedermaier, T.Nilsson, M.Pantea, O.Perru, R.Raabe, P.Reiter, M.Sawicka, H.Scheit, G.Schrieder, D.Schwalm, M.D.Seliverstov, T.Sieber, G.Sletten, N.Smirnova, M.Stanoiu, I.Stefanescu, J.-C.Thomas, J.J.Valiente-Dobon, P.Van Duppen, D.Verney, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, B.H.Wolf, M.Zielinska

Coulomb Excitation of Neutron-Rich Zn Isotopes: First Observation of the 2+1 State in 80Zn

NUCLEAR REACTIONS 108Pd, 120Sn(74Zn, 74Zn'), (76Zn, 76Zn'), (78Zn, 78Zn'), (80Zn, 80Zn'), E=2.79-2.87 MeV/nucleon; measured Eγ, Iγ. 74,76,78,80Zn deduced B(E2).

doi: 10.1103/PhysRevLett.99.142501
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2006AC04      Eur.Phys.J. A 27, 287 (2006)

N.L.Achouri, F.de Oliveira Santos, M.Lewitowicz, B.Blank, J.Aysto, G.Canchel, S.Czajkowski, P.Dendooven, A.Emsallem, J.Giovinazzo, N.Guillet, A.Jokinen, A.M.Laird, C.Longour, K.Perajarvi, N.Smirnova, M.Stanoiu, J.-C.Thomas

The β-decay of 22Al

RADIOACTIVITY 22Al(β+), (β+p), (β+2p), (β+α) [from 36Ar fragmentation]; measured β-delayed Eα, Eγ, Ep, T1/2; deduced mass excess. 22Mg deduced levels, J, π. 22Al deduced ground-state J, π. Comparison with shell model predictions.

doi: 10.1140/epja/i2005-10274-0
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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
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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
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2005DE15      Eur.Phys.J. A 24, 237 (2005)

F.de Oliveira Santos, P.Himpe, M.Lewitowicz, I.Stefan, N.Smirnova, N.L.Achouri, J.C.Angelique, C.Angulo, L.Axelsson, D.Baiborodin, F.Becker, M.Belleguic, E.Berthoumieux, B.Blank, C.Borcea, A.Cassimi, J.M.Daugas, G.de France, F.Dembinski, C.E.Demonchy, Z.Dlouhy, P.Dolegieviez, C.Donzaud, G.Georgiev, L.Giot, S.Grevy, D.Guillemaud-Mueller, V.Lapoux, E.Lienard, M.J.Lopez Jimenez, K.Markenroth, I.Matea, W.Mittig, F.Negoita, G.Neyens, N.Orr, F.Pougheon, P.Roussel-Chomaz, M.G.Saint-Laurent, F.Sarazin, H.Savajols, M.Sawicka, O.Sorlin, M.Stanoiu, C.Stodel, G.Thiamova, D.Verney, A.C.C.Villari

Study of 19Na at SPIRAL

NUCLEAR REACTIONS 1H(18O, p), (18Ne, p), E(cm) ≈ 900-6000 keV; measured Ep, excitation functions, σ(θ=180°). 19Na deduced level energies, J, π, widths, two-proton emission features.

doi: 10.1140/epja/i2004-10143-4
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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
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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
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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
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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
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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
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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
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2003DE15      Phys.Rev. C 67, 052801 (2003)

N.de Sereville, A.Coc, C.Angulo, M.Assuncao, D.Beaumel, B.Bouzid, S.Cherubini, M.Couder, P.Demaret, F.de Oliveira Santos, P.Figuera, S.Fortier, M.Gaelens, F.Hammache, J.Kiener, A.Lefebvre, D.Labar, P.Leleux, M.Loiselet, A.Ninane, S.Ouichaoui, G.Ryckewaert, N.Smirnova, V.Tatischeff, J.-P.Thibaud

2H(18F, pα)15N reaction applied to nova γ-ray emission

NUCLEAR REACTIONS 2H(18F, pα), E=14 MeV; measured particle spectra, σ(θ), p(recoil)-, α(recoil)-coin; deduced excitation energy spectra. DWBA analysis, implications for astrophysical reaction rate discussed.

doi: 10.1103/PhysRevC.67.052801
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2003DE26      Nucl.Phys. A718, 259c (2003)

N.de Sereville, A.Coc, C.Angulo, M.Assuncao, D.Beaumel, B.Bouzid, S.Cherubini, M.Couder, P.Demaret, F.de Oliveira Santos, P.Figuera, S.Fortier, M.Gaelens, F.Hammache, J.Kiener, D.Labar, A.Lefebvre, P.Leleux, M.Loiselet, A.Ninane, S.Ouichaoui, G.Ryckewaert, N.Smirnova, V.Tatischeff, J.P.Thibaud

Study of the 18F(p, α)15O reaction for application to nova γ-ray emission

NUCLEAR REACTIONS 2H(18F, p), E=14 MeV; measured excitation energy spectrum, σ(θ); deduced spectroscopic factor. Astrophysical implications discussed.

doi: 10.1016/S0375-9474(03)00725-5
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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
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2003SM02      Nucl.Phys. A714, 441 (2003)

N.A.Smirnova, C.Volpe

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
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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
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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
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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
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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
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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
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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
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2001CO14      Nucl.Phys. A688, 450c (2001)

A.Coc, N.Smirnova, J.Jose, M.Hernanz, J.-P.Thibaud

Update of Nuclear Reaction Rates Affecting Nucleosynthesis in Novae

NUCLEAR REACTIONS 21Na(p, γ), 18F(p, α), (p, γ), E=low; calculatedσ, reaction rates. Comparison with data and other theoretical calculations.

doi: 10.1016/S0375-9474(01)00752-7
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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
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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
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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
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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
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2000SM12      Phys.Rev. C62, 045803 (2000)

N.A.Smirnova, A.Coc

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
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1998PI04      Phys.Rev. C58, 191 (1998)

N.Pietralla, P.von Brentano, A.Gelberg, T.Otsuka, A.Richter, N.Smirnova, I.Wiedenhover

Symmetry Changing Transitions in γ-Soft Nuclei Studied in the Interacting Boson Model

doi: 10.1103/PhysRevC.58.191
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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
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1997SM06      Bull.Rus.Acad.Sci.Phys. 61, 54 (1997)

N.A.Smirnova, A.M.Shirokov

Additional Symmetry of the IBM Hamiltonian


1975BI13      Nucl.Phys. A251, 169 (1975)

B.L.Birbrair, N.A.Voinova, N.S.Smirnova

The 0+ States in Doubly Even Deformed Nuclei

NUCLEAR STRUCTURE 150,152Nd, 152,154,156Sm, 154,156,158,160Gd, 156,158,160,162,164,166Dy, 158,160,162,164,166,168,170,172Er, 164,166,168,170,172,174,176Yb, 170,172,174,176,178,180,182Hf, 174,176,178,180,182,184,186,188W, 182,184,186,188,190Os; calculated transition energies, B(λ).

doi: 10.1016/0375-9474(75)90708-3
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Note: The following list of authors and aliases matches the search parameter N.Smirnova: , N.A.SMIRNOVA, N.S.SMIRNOVA