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NSR database version of April 11, 2024.

Search: Author = M.Godefroid

Found 22 matches.

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2023PL01      Phys.Rev.Lett. 131, 222502 (2023)

P.Plattner, E.Wood, L.Al Ayoubi, O.Beliuskina, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.P.de Groote, C.S.Devlin, T.Eronen, L.Filippin, R.F.Garcia Ruiz, Z.Ge, S.Geldhof, W.Gins, M.Godefroid, H.Heylen, M.Hukkanen, P.Imgram, A.Jaries, A.Jokinen, A.Kanellakopoulos, A.Kankainen, S.Kaufmann, K.Konig, A.Koszorus, S.Kujanpaa, S.Lechner, S.Malbrunot-Ettenauer, P.Muller, R.Mathieson, I.Moore, W.Nortershauser, D.Nesterenko, R.Neugart, G.Neyens, A.Ortiz-Cortes, H.Penttila, I.Pohjalainen, A.Raggio, M.Reponen, S.Rinta-Antila, L.V.Rodriguez, J.Romero, R.Sanchez, F.Sommer, M.Stryjczyk, V.Virtanen, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

Nuclear Charge Radius of 26mAl and Its Implication for Vud in the Quark Mixing Matrix

NUCLEAR MOMENTS 26,26m,27Al [from 27Al(p, d), E=25 MeV]; measured frequencies; deduced resonance spectrum, isotope shifts, mean square charge radii, log ft values. Collinear laser spectroscopy. The COLLAPS beamline at ISOLDE-CERN and the IGISOL CLS beamline.

doi: 10.1103/PhysRevLett.131.222502
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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
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2021BA45      Phys.Rev.Lett. 127, 192501 (2021)

A.Barzakh, A.N.Andreyev, C.Raison, J.G.Cubiss, P.Van Duppen, S.Peru, S.Hilaire, S.Goriely, B.Andel, S.Antalic, M.Al Monthery, J.C.Berengut, J.Bieron, M.L.Bissell, A.Borschevsky, K.Chrysalidis, T.E.Cocolios, T.Day Goodacre, J.-P.Dognon, M.Elantkowska, E.Eliav, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, L.P.Gaffney, R.F.Garcia Ruiz, M.Godefroid, C.Granados, R.D.Harding, R.Heinke, M.Huyse, J.Karls, P.Larmonier, J.G.Li, K.M.Lynch, D.E.Maison, B.A.Marsh, P.Molkanov, P.Mosat, A.V.Oleynichenko, V.Panteleev, P.Pyykko, M.L.Reitsma, K.Rezynkina, R.E.Rossel, S.Rothe, J.Ruczkowski, S.Schiffmann, C.Seiffert, M.D.Seliverstov, S.Sels, L.V.Skripnikov, M.Stryjczyk, D.Studer, M.Verlinde, S.Wilman, A.V.Zaitsevskii

Large Shape Staggering in Neutron-Deficient Bi Isotopes

NUCLEAR MOMENTS 187,188,189,191Bi; measured frequencies. 209Bi; deduced hfs, mean-square charge radii, magnetic dipole, and electric quadrupole moments. Comparison with HFB PES calculations, available data.

doi: 10.1103/PhysRevLett.127.192501
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2021HE04      Phys.Rev. C 103, 014318 (2021)

H.Heylen, C.S.Devlin, W.Gins, M.L.Bissell, K.Blaum, B.Cheal, L.Filippin, R.F.Garcia Ruiz, M.Godefroid, C.Gorges, J.D.Holt, A.Kanellakopoulos, S.Kaufmann, A.Koszorus, K.Konig, S.Malbrunot-Ettenauer, T.Miyagi, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, F.Sommer, L.V.RodrIguez, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

High-resolution laser spectroscopy of 27-32Al

NUCLEAR MOMENTS 27,28,29,30,31,32Al; measured hyperfine structure spectra of the 3s23p2P3/20 to 3s24s2S1/2 atomic transition using collinear laser spectroscopy at the COLLAPS-ISOLDE-CERN facility; deduced hyperfine parameters, magnetic dipole moments and spectroscopic quadrupole moments with reference to those for 27Al, isotope shifts and mean-square charge radii relative to 27Al. Comparison with theoretical calculations using ab initio valence space in-medium similarity renormalization group method (VS-IMSRG) with multiple sets of two- and three-nucleon forces from chiral effective field theory, and with previous available experimental results. Neutral atoms of 27,28,29,30,31,32Al produced in U(p, X), E=1.4-GeV, using uranium carbide target, followed by extraction from the target, ionized by a resonance ionization laser ion source (RILIS), accelerated to 30 keV, and finally mass separated.

doi: 10.1103/PhysRevC.103.014318
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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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2020MU16      Phys.Rev. C 102, 054307 (2020)

M.Mukai, Y.Hirayama, Y.X.Watanabe, S.Schiffmann, J.Ekman, M.Godefroid, P.Schury, Y.Kakiguchi, M.Oyaizu, M.Wada, S.C.Jeong, J.Y.Moon, J.H.Park, H.Ishiyama, S.Kimura, H.Ueno, M.Ahmed, A.Ozawa, H.Watanabe, S.Kanaya, H.Miyatake

In-gas-cell laser resonance ionization spectroscopy of 196, 197, 198Ir

NUCLEAR MOMENTS 196,197,198Ir; measured hyperfine structure (HFS) spectra using in-gas-cell laser resonance ionization spectroscopy at the KEK Isotope Separation System at RIBF-RIKEN facility; deduced spins for the ground states, magnetic dipole moments, mean-square charge radii, isotope shifts, β2 deformation parameters. Comparison with theoretical calculations based on the strong coupling model. Comparison with previous experimental results. Systematics of quadrupole moments, magnetic dipole moments, mean-square charge radii and β2 deformation parameters for 189,191,193,196,197,198Ir.

NUCLEAR REACTIONS 198Pt(136Xe, X)196Ir/197Ir/198Ir, E=10.75 MeV/nucleon; measured extraction yields, Eβ, half-lives of the decays of 196Ir, 197Ir and 198Ir. The Ir isotopes produced in multi-nucleon transfer reaction. Comparison with previous experimental half-lives.

doi: 10.1103/PhysRevC.102.054307
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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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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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2016BI08      Phys.Rev. C 93, 064318 (2016)

M.L.Bissell, T.Carette, K.T.Flanagan, P.Vingerhoets, J.Billowes, K.Blaum, B.Cheal, S.Fritzsche, M.Godefroid, M.Kowalska, J.Kramer, R.Neugart, G.Neyens, W.Nortershauser, D.T.Yordanov

Cu charge radii reveal a weak sub-shell effect at N=40

ATOMIC PHYSICS 58,59,60,61,62,63,64,65,66,67,68,68m,69,70,70m,71,72,73,74,75Cu; measured isotope shifts, and mean-square charge radii using collinear laser spectroscopy at the CERN-ISOLDE radioactive ion beam facility. The Cu isotopes were produced in Zr(p, X), E=1.4 GeV reaction using RILIS laser ion source and linear Paul trap ISCOOL for separation. Comparison with muonic atomic data, and state-of-the-art atomic physics calculations using multiconfiguration Dirac-Hartree-Fock (MCDHF) method.

doi: 10.1103/PhysRevC.93.064318
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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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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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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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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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2001BL16      Phys.Rev. A64, 052504 (2001)

C.Blondel, C.Delsart, C.Valli, S.Yiou, M.R.Godefroid, S.Van Eck

Electron Affinities of 16O, 17O, 18O, the Fine Structure of 16O-, and the Hyperfine Structure of 17O-

NUCLEAR MOMENTS 17O; calculated hfs, isotope shift.

doi: 10.1103/PhysRevA.64.052504
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1999GO18      Phys.Rev. A60, R2637 (1999)

M.R.Godefroid, C.F.Fischer

Isotope Shift in the Oxygen Electron Affinity

ATOMIC PHYSICS 16,18O; calculated electron affinity, isotope shifts.

doi: 10.1103/PhysRevA.60.R2637
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1996AB08      Phys.Scr. 53, 28 (1996)

A.Aboussaid, M.Carleer, D.Hurtmans, E.Biemont, M.R.Godefroid

Hyperfine Structure of Sc I by Infrared Fourier Transform Spectroscopy

NUCLEAR MOMENTS 45Sc; measured hfs; deduced hyperfine parameters. Infrared Fourier transform spectroscopy.


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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1995PA49      J.Phys.(London) B28, 3741 (1995)

P.Palmeri, E.Biemont, A.Aboussaid, M.Godefroid

Hyperfine Structure of Infrared Vanadium Lines

NUCLEAR MOMENTS 51V; measured hfs; deduced magnetic dipole constants. Fourier transform spectroscopy, infrared region.

doi: 10.1088/0953-4075/28/17/013
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1991AS06      J.Phys.(London) B24, 4077 (1991)

A.Aspect, J.Bauche, M.Godefroid, P.Grangier, J.E.Hansen, N.Vaeck

Experimental and MCHF Isotope Shifts of Strongly Perturbed Levels in Ca I and Sr I

NUCLEAR MOMENTS 40,42,43,44,48Ca, 86,88Sr; measured isotope shifts. Model comparison.

doi: 10.1088/0953-4075/24/18/019
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Note: The following list of authors and aliases matches the search parameter M.Godefroid: , M.R.GODEFROID