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NSR database version of April 11, 2024.

Search: Author = P.Jonsson

Found 25 matches.

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2022LI36      Astrophys.J.Suppl.Ser. 260, 50 (2022)

J.Q.Li, C.Y.Zhang, G.Del Zanna, P.Jonsson, M.Godefroid, G.Gaigalas, P.Rynkun, L.Radziute, K.Wang, R.Si, C.Y.Chen

Large-scale Multiconfiguration Dirac-Hartree-Fock Calculations for Astrophysics: C-like Ions from O III to Mg VII

ATOMIC PHYSICS O, F, Ne, Na, Mg; calculated excitation energies, wavelengths, radiative transition parameters, and lifetimes using large-scale multiconfiguration Dirac-Hartree-Fock.

doi: 10.3847/1538-4365/ac63ae
Citations: PlumX Metrics


2021GA25      At.Data Nucl.Data Tables 141, 101428 (2021)

G.Gaigalas, P.Rynkun, L.Radziute, P.Jonsson, K.Wang

Energy and transition data computations for P-like ions: As, Kr, Sr, Zr, Mo, and W

ATOMIC PHYSICS As, Kr, Sr, Zr, Mo, W; calculated excitation energies, transition rates using the multiconfiguration Dirac-Hartree-Fock (MCDHF) and relativistic configuration interaction (RCI) methods. Comparison with available data.

doi: 10.1016/j.adt.2021.101428
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2021SO01      At.Data Nucl.Data Tables 138, 101377 (2021)

C.X.Song, C.Y.Zhang, K.Wang, R.Si, M.Godefroid, P.Jonsson, W.Dang, X.H.Zhao, J.Yan, C.Y.Chen

Extended calculations with spectroscopic accuracy: Energy levels and radiative rates for O-like ions between Ar XI and Cr XVII

ATOMIC PHYSICS Z=18-24; calculated energies and radiative transition data using the multiconfiguration Dirac-Hartree-Fock and the relativistic configuration interaction methods. Comparison with available data.

doi: 10.1016/j.adt.2020.101377
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2020YO07      Commun. Phys. 3, 107 (2020)

D.T.Yordanov, L.V.Rodriguez, D.L.Balabanski, J.Bieron, M.L.Bissell, K.Blaum, B.Cheal, J.Ekman, G.Gaigalas, R.F.G.Ruiz, G.Georgiev, W.Gins, M.R.Godefroid, C.Gorges, Z.Harman, H.Heylen, P.Jonsson, A.Kanellakopoulos, S.Kaufmann, C.H.Keitel, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, N.S.Oreshkina, A.Papoulia, P.Pyykko, P.-G.Reinhard, S.Sailer, R.Sanchez, S.Schiffmann, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Xu, X.Yang

Structural trends in atomic nuclei from laser spectroscopy of tin

NUCLEAR MOMENTS 109,115,117,119,121,123,125,127,129,131Sn; measured frequency scales relative to the fine-structure splittings in the transitions; deduced mean square charge-radii changes, high-precision magnetic moments, quadrupole moments.

doi: 10.1038/s42005-020-0348-9
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2019XI07      Phys.Lett. B 797, 134805 (2019)

L.Xie, X.F.Yang, C.Wraith, C.Babcock, J.Bieron, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, L.Filippin, K.T.Flanagan, R.F.Garcia Ruiz, W.Gins, G.Gaigalas, M.Godefroid, C.Gorges, L.K.Grob, H.Heylen, P.Jonsson, S.Kaufmann, M.Kowalska, J.Kramer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Sanchez, Y.Tsunoda, D.T.Yordanov

Nuclear charge radii of 62-80Zn and their dependence on cross-shell proton excitations

NUCLEAR MOMENTS 62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80Zn; measured frequencies; deduced isotope shifts, mean square charge radii.

doi: 10.1016/j.physletb.2019.134805
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2018AO01      Phys.Rev. A 97, 032506 (2018)

N.Aourir, M.Nemouchi, M.Godefroid, P.Jonsson

Theoretical hyperfine structures of 19F I and 17O I

ATOMIC PHYSICS 19F, 17O; calculated hyperfine constants using multiconfiguration Hartree-Fock (MCHF) and multiconfiguration Dirac-Hartree-Fock (MCDHF). Comparison with experimental data.

doi: 10.1103/PhysRevA.97.032506
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2018BI07      Phys.Rev. A 97, 062505 (2018)

J.Bieron, L.Filippin, G.Gaigalas, M.Godefroid, P.Jonsson, P.Pyykko

Ab initio calculations of the hyperfine structure of zinc and evaluation of the nuclear quadrupole moment Q(Zn67)

NUCLEAR MOMENTS 67Zn; analyzed available data on electric quadrupole hyperfine structure constants; calculated electric field gradients using relativistic multiconfiguration Dirac-Hartree-Fock and the nonrelativistic multiconfiguration Hartree-Fock methods; deduced nuclear electric quadrupole moment.

doi: 10.1103/PhysRevA.97.062505
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2018EK01      At.Data Nucl.Data Tables 120, 152 (2018)

J.Ekman, P.Jonsson, L.Radziute, G.Gaigalas, G.Del Zanna, I.P.Grant

Large-scale calculations of atomic level and transition properties in the aluminum isoelectronic sequence from Ti X through Kr XXIV, Xe XLII, and W LXII

ATOMIC PHYSICS Z=22-36, 54, 74; calculated energy levels and uncertainties. Comparison with available data.

doi: 10.1016/j.adt.2017.04.005
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2017WR01      Phys.Lett. B 771, 385 (2017)

C.Wraith, X.F.Yang, L.Xie, C.Babcock, J.Bieron, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, L.Filippin, R.F.Garcia Ruiz, W.Gins, L.K.Grob, G.Gaigalas, M.Godefroid, C.Gorges, H.Heylen, M.Honma, P.Jonsson, S.Kaufmann, M.Kowalska, J.Kramer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, F.Nowacki, T.Otsuka, J.Papuga, R.Sanchez, Y.Tsunoda, D.T.Yordanov

Evolution of nuclear structure in neutron-rich odd-Zn isotopes and isomers

NUCLEAR MOMENTS 63,65,67,69,71,73,75,77,79Zn; measured optical spectra; deduced hyperfine spectra (hfs) including isomeric structures, J of ground and isomeric states, hfs constants, nuclear magnetic dipole and quadrupole moments, g-factors and wave functions. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.05.085
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2016FI12      J.Phys.(London) B49, 182004 (2016)

C.F.Fischer, M.Godefroid, T.Brage, P.Jonsson, G.Gaigalas

Advanced multiconfiguration methods for complex atoms: I. Energies and wave functions

ATOMIC PHYSICS Li, Be, Na, Fe, U; calculated ground state energies, parameters; deduced set of configuration state functions (CSFs), active set (AS)of orbitals, according tosuitable angular momentum coupling rule.

doi: 10.1088/0953-4075/49/18/182004
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2016LE19      Int.J.Radiat.Biol. 92, 641 (2016)

B.Q.Lee, H.Nikjoo, J.Ekman, P.Jonsson, A.E.Stuchbery, T.Kibedi

A stochastic cascade model for Auger-electron emitting radionuclides

ATOMIC PHYSICS 123,124,125I; calculated energy spectra of Auger electrons and X-rays, Auger yields. Ab initio calculations based on the realistic Dirac-Fock approach and Monte Carlo techniques.

doi: 10.3109/09553002.2016.1153810
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2014JO01      At.Data Nucl.Data Tables 100, 1 (2014)

P.Jonsson, P.Bengtsson, J.Ekman, S.Gustafsson, L.B.Karlsson, G.Gaigalas, C.Froese Fischer, D.Kato, I.Murakami, H.A.Sakaue, H.Hara, T.Watanabe, N.Nakamura, N.Yamamoto

Relativistic CI calculations of spectroscopic data for the 2p6 and 2p53l configurations in Ne-like ions between Mg III and Kr XXVII

ATOMIC PHYSICS Z=12-36; calculated energies, E1, M1, E2, M2 transition rates, oscillator strengths, T1/2. Relativistic configuration interaction calculations, comparison with available data.

doi: 10.1016/j.adt.2013.06.001
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2014NA20      At.Data Nucl.Data Tables 100, 1197 (2014)

C.Naze, S.Verdebout, P.Rynkun, G.Gaigalas, M.Godefroid, P.Jonsson

Isotope shifts in beryllium-, boron-, carbon-, and nitrogen-like ions from relativistic configuration interaction calculations

ATOMIC PHYSICS Be, B, C, N; calculated energy levels, mass shift parameters, nucleus densities. Comparison with available data.

doi: 10.1016/j.adt.2014.02.004
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2014RY01      At.Data Nucl.Data Tables 100, 315 (2014)

P.Rynkun, P.Jonsson, G.Gaigalas, C.Froese Fischer

Energies and E1, M1, E2, and M2 transition rates for states of the 2s22p3, 2s2p4, and 2p5 configurations in nitrogen-like ions between F III and Kr XXX

ATOMIC PHYSICS F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Br, Kr; calculated E1, M1, E2, M2 transition rates, weighted oscillator strengths, T1/2. Dirac-Hartree-Fock and configuration interaction.

doi: 10.1016/j.adt.2013.05.003
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2014VE01      At.Data Nucl.Data Tables 100, 1111 (2014)

S.Verdebout, C.Naze, P.Jonsson, P.Rynkun, M.Godefroid, G.Gaigalas

Hyperfine structures and Lande gJ-factors for n = 2 states in beryllium-, boron-, carbon-, and nitrogen-like ions from relativistic configuration interaction calculations

ATOMIC PHYSICS Be, B, C, N; calculated energy levels, hyperfine constants, Lande g-factors. Comparison with available data.

doi: 10.1016/j.adt.2014.05.001
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2008BI09      J.Phys.(London) B41, 115002 (2008)

J.Bieron, C.F.Fischer, P.Jonsson, P.Pyykko

Comment on the magnetic dipole hyperfine interaction in the gold atom ground state

NUCLEAR MOMENTS 197Au; calculated hfs, a using a multiconfiguration Dirac?Hartree?Fock model.

doi: 10.1088/0953-4075/41/11/115002
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2007BI20      Eur.Phys.J. Special Topics 144, 75 (2007)

J.Bieron, P.Indelicato, P.Jonsson

Multiconfiguration Dirac-Hartree-Fock calculations of transition rates and lifetimes of the eight lowest excited levels of radium

ATOMIC PHYSICS Ra; calculated transition rates between lowest levels and radiative lifetimes using Dirac-Hartree-Fock method. Calculated transition rate for the metastable state decay through 2-photon E1M1 and hyperfine induced channels.

doi: 10.1140/epjst/e2007-00110-3
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2005BI03      Phys.Rev. A 71, 012502 (2005)

J.Bieron, P.Pyykko, P.Jonsson

Nuclear quadrupole moment of 201Hg

NUCLEAR MOMENTS 201Hg; analyzed hfs, related data; deduced electric quadrupole moment. Multiconfiguration Dirac-Hartree-Fock model.

doi: 10.1103/PhysRevA.71.012502
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2003NE08      J.Phys.(London) B36, 2189 (2003)

M.Nemouchi, P.Jonsson, J.Pinard, M.Godefroid

Theoretical evaluation of the 7, 9Be-2s2p2 4P1/2, 3/2, 5/2 hyperfine structure parameters and Be 2s2p 3P0 electron affinity

NUCLEAR MOMENTS 7,9Be; calculated hfs, parameters. Multiconfiguration Hartree-Fock and configuration interaction methods.

doi: 10.1088/0953-4075/36/11/305
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1996BI24      Phys.Rev. A53, 2181 (1996)

J.Bieron, P.Jonsson, C.F.Fischer

Large-Scale Multiconfiguration Dirac-Fock Calculations of the Hyperfine-Structure Constants of the 2s 2S1/2, 2p 2P1/2, and 2p 2P3/2 States of Lithium

NUCLEAR MOMENTS 7Li; calculated hyperfine constants for ground, low excited states of Li atom.

ATOMIC PHYSICS 7Li; calculated hyperfine constants for ground, low excited states of Li atom.

doi: 10.1103/PhysRevA.53.2181
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1995CA45      J.Phys.(London) B28, 3729 (1995)

J.Carlsson, P.Jonsson, M.R.Godefroid, C.F.Fischer

Accurate Multiconfiguration Hartree-Fock Calculations of Isotope Shifts in C I and C IV

NUCLEAR MOMENTS 12,14C; calculated isotopes shifts. Multi-configuration Hartree-Fock calculations.

doi: 10.1088/0953-4075/28/17/012
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1993TO09      Phys.Scr. 48, 446 (1993)

M.Tong, P.Jonsson, C.F.Fischer

Convergence Studies of Atomic Properties from Variational Method: Total energy, ionization energy, specific mass shift, and hyperfine parameters for Li

ATOMIC PHYSICS 7Li; calculated total, ionization energies, specific mass shift, hyperfine contact term. Multi-configuration Hartree-Fock, variational method.

doi: 10.1088/0031-8949/48/4/009
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1992CA23      Phys.Scr. 46, 394 (1992)

J.Carlsson, P.Jonsson, L.Sturesson, C.F.Fischer

Multi-Configuration Hartree-Fock Calculations and Time-Resolved Laser Spectroscopy Studies of Hyperfine Structure Constants in Sodium

NUCLEAR MOMENTS 23Na; measured hfs; calculated hfs constants. Time resolved laser spectroscopy. Multi-configuration Hartree-Fock.

doi: 10.1088/0031-8949/46/5/003
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1992CA33      Phys.Rev. A46, 2420 (1992)

J.Carlsson, P.Jonsson, C.F.Fischer

Large Multiconfigurational Hartree-Fock Calculations on the Hyperfine-Structure Constants of the 7Li 2s 2S and 2p 2P States

NUCLEAR MOMENTS 7Li; calculated hyperfine structure parameters. Multi-configurational Hartree-Fock.

doi: 10.1103/PhysRevA.46.2420
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1990CA33      Z.Phys. D16, 87 (1990)

J.Carlsson, P.Jonsson, L.Sturesson

Accurate-Time-Resolved Laser Spectroscopy on Silver Atoms

NUCLEAR MOMENTS 107,109Ag; measured hfs. Time resolved laser spectroscopy.

doi: 10.1007/BF01679568
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