NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = R.Neugart Found 141 matches. Showing 1 to 100. [Next]2023LE15 Phys.Lett. B 847, 138278 (2023) S.Lechner, T.Miyagi, Z.Y.Xu, M.L.Bissell, K.Blaum, B.Cheal, C.S.Devlin, R.F.Garcia Ruiz, J.S.M.Ginges, H.Heylen, J.D.Holt, P.Imgram, A.Kanellakopoulos, A.Koszorus, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, P.Plattner, L.V.Rodriguez, G.Sanamyan, S.R.Stroberg, Y.Utsuno, X.F.Yang, D.T.Yordanov Electromagnetic moments of the antimony isotopes 112-133Sb NUCLEAR MOMENTS 113,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133Sb; measured frequencies; deduced hyperfine spectra parameters, hyperfine anomaly, nuclear magnetic dipole and electric quadrupole moments. Comparison with shell model and ab initio calculations. Radioactive antimony (Sb) isotopes were produced at the radioactive ion beam facility ISOLDE-CERN.
doi: 10.1016/j.physletb.2023.138278
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
2022BA15 Phys.Lett. B 829, 137064 (2022) S.W.Bai, A.Koszorus, B.S.Hu, X.F.Yang, J.Billowes, C.L.Binnersley, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, T.E.Cocolios, R.P.de Groote, C.S.Devlin, K.T.Flanagan, R.F.Garcia Ruiz, H.Heylen, J.D.Holt, A.Kanellakopoulos, J.Kramer, V.Lagaki, B.Maass, S.Malbrunot-Ettenauer, T.Miyagi, R.Neugart, G.Neyens, W.Nortershauser, L.V.Rodriguez, F.Sommer, A.R.Vernon, S.J.Wang, X.B.Wang, S.G.Wilkins, Z.Y.Xu, C.X.Yuan Electromagnetic moments of scandium isotopes and N=28 isotones in the distinctive 0f7/2 orbit NUCLEAR MOMENTS 41,43,45,46,47,49Sc; measured frequencies; deduced hfs constants, electromagnetic dipole and quadrupole moments. Comparison with theoretical calculations. Two collinear laser spectroscopy (CLS) setups, COLLAPS and CRIS at ISOLDE-CERN.
doi: 10.1016/j.physletb.2022.137064
2022MA04 Phys.Rev.Lett. 128, 022502 (2022) S.Malbrunot-Ettenauer, S.Kaufmann, S.Bacca, C.Barbieri, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, T.Duguet, R.F.Garcia Ruiz, W.Gins, C.Gorges, G.Hagen, H.Heylen, J.D.Holt, G.R.Jansen, A.Kanellakopoulos, M.Kortelainen, T.Miyagi, P.Navratil, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, S.J.Novario, T.Papenbrock, T.Ratajczyk, P.-G.Reinhard, L.V.Rodriguez, R.Sanchez, S.Sailer, A.Schwenk, J.Simonis, V.Soma, S.R.Stroberg, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Nuclear Charge Radii of the Nickel Isotopes 58-68, 70Ni NUCLEAR MOMENTS 58,59,60,61,62,63,64,65,66,67,68Ni, 70Ni; measured frequency-time spectrum; deduced isotope shifts, mean-square charge radii. Comparison with ab initio approaches. Collinear laser spectroscopy beam line COLLAPS, ISOLDE/CERN.
doi: 10.1103/PhysRevLett.128.022502
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
2021LE11 Phys.Rev. C 104, 014302 (2021) S.Lechner, Z.Y.Xu, M.L.Bissell, K.Blaum, B.Cheal, G.De Gregorio, C.S.Devlin, R.F.Garcia Ruiz, A.Gargano, H.Heylen, P.Imgram, A.Kanellakopoulos, A.Koszorus, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, P.Plattner, L.V.Rodriguez, X.F.Yang, D.T.Yordanov Probing the single-particle behavior above 132Sn via electromagnetic moments of 133, 134Sb and N=82 isotones NUCLEAR MOMENTS 133,134mSb; measured hyperfine structure spectra of the 7/2+ ground state of 133Sb and the (7-) isomeric state of 134Sb using the collinear laser spectroscopy (COLLAPS) at the radioactive ion-beam facility ISOLDE-CERN; deduced hyperfine structure constants, spins, static magnetic dipole and electric quadrupole moments; discussed single-particle behavior of nuclides above the doubly magic nucleus 132Sn. Comparison with previous experimental results, and with shell-model calculations. 133,134Sb isotopes produced in U(p, X) reaction using UCx target, followed by separation of atomic antimony fragments by selective laser ionization, acceleration of ions to 50 keV, and finally mass separated by a magnetic separator and accumulated in a buffer-gas filled radio-frequency quadrupole cooler and buncher.
doi: 10.1103/PhysRevC.104.014302
2020KA22 Phys.Rev.Lett. 124, 132502 (2020) S.Kaufmann, J.Simonis, S.Bacca, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, R.F.Garcia Ruiz, W.Gins, C.Gorges, G.Hagen, H.Heylen, A.Kanellakopoulos, S.Malbrunot-Ettenauer, M.Miorelli, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, S.Sailer, A.Schwenk, T.Ratajczyk, L.V.Rodriguez, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Charge Radius of the Short-Lived 68Ni and Correlation with the Dipole Polarizability NUCLEAR MOMENTS 58,60,61,62,64,68Ni; measured frequencies; deduced resonance spectra, isotope shifts, nuclear charge radii. Comparison with novel coupled-cluster calculations.
doi: 10.1103/PhysRevLett.124.132502
2020KA58 Phys.Rev. C 102, 054331 (2020) A.Kanellakopoulos, X.F.Yang, M.L.Bissell, M.L.Reitsma, S.W.Bai, J.Billowes, K.Blaum, A.Borschevsky, B.Cheal, C.S.Devlin, R.F.Garcia Ruiz, H.Heylen, S.Kaufmann, K.Konig, A.Koszorus, S.Lechner, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Ratajczyk, L.V.Rodriguez, S.Sels, S.J.Wang, L.Xie, Z.Y.Xu, D.T.Yordanov Nuclear moments of germanium isotopes near N = 40 NUCLEAR MOMENTS 69,71,73Ge; measured hyperfine structure spectra using collinear laser spectroscopy setup COLLAPS at ISOLDE-CERN; deduced magnetic electric hyperfine structure constants, magnetic dipole moment μ, and electric quadrupole moment Q, with the hyperfine fields for the atomic levels calculated using state-of-the-art atomic relativistic Fock-space coupled-cluster method. Comparison with previous experimental results, and with large-scale shell-model calculations using JUN45 interaction, suggesting mixed wave-function configurations. Systematics of low-energy levels, g factors and quadrupole moments of 67,69,71,73Zn, 69,71,73,75Ge, 73Se. 69,71,73Ge isotopes produced in Zr(p, X), E=1.4 GeV reaction, followed by acceleration of germanium ions to 50 keV, and mass separation using the high-resolution isotope separator (HRS), and finally bunched in a gas-filled linear Paul trap (ISCOOL).
doi: 10.1103/PhysRevC.102.054331
2020RO19 Phys.Rev. C 102, 051301(R) (2020) L.V.Rodriguez, D.L.Balabanski, M.L.Bissell, K.Blaum, B.Cheal, G.De Gregorio, J.Ekman, R.F.Garcia Ruiz, A.Gargano, G.Georgiev, W.Gins, C.Gorges, H.Heylen, A.Kanellakopoulos, S.Kaufmann, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, S.Sailer, R.Sanchez, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Doubly-magic character of 132Sn studied via electromagnetic moments of 133Sn NUCLEAR MOMENTS 133Sn; measured hyperfine structure spectra, magnetic dipole moment (μ) and electric quadrupole moment (Q) using high-resolution collinear laser spectroscopy at ISOLDE-CERN facility; deduced 1f7/2 neutron orbital configuration for 133Sn g.s., and doubly-magic character of 132Sn. 133Sn activity produced in fission of a uranium carbide target by neutrons from spallation reaction on tungsten by high-energy protons, followed by laser ionization and mass selection through a linear Paul trap. Systematics of magnetic dipole moments (μ) and electric quadrupole moments (Q) for N=83 isotones: 133Sn, 135Te, 137Xe, 139Ba, 141Ce, 143Nd, 145Sm, 147Gd and 149Dy. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.102.051301
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
2019FR08 Hyperfine Interactions 240, 66 (2019) N.Frommgen, W.Nortershauser, M.L.Bissell, K.Blaum, C.Geppert, M.Hammen, M.Kowalska, J.Kramer, K.Kreim, A.Krieger, Y.A.Litvinov, R.Neugart, G.Neyens, J.Papuga, R.Sanchez, D.T.Yordanov Hyperfine structure and nuclear magnetic moments of the praseodymium isotopes 135, 136, 137Pr NUCLEAR MOMENTS 135,136,137Pr; measured frequencies; deduced hyperfine parameters and magnetic moments. Comparison with available data.
doi: 10.1007/s10751-019-1608-5
2019GO12 Phys.Rev.Lett. 122, 192502 (2019) C.Gorges, L.V.Rodriguez, D.L.Balabanski, M.L.Bissell, K.Blaum, B.Cheal, R.F.Garcia Ruiz, G.Georgiev, W.Gins, H.Heylen, A.Kanellakopoulos, S.Kaufmann, M.Kowalska, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, P.-G.Reinhard, S.Sailer, R.Sanchez, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Laser Spectroscopy of Neutron-Rich Tin Isotopes: A Discontinuity in Charge Radii across the N=82 Shell Closure NUCLEAR MOMENTS 108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn; measured frequencies; deduced isotope shifts, mean-square nuclear charge radii.
doi: 10.1103/PhysRevLett.122.192502
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
2019YO06 Hyperfine Interactions 240, 67 (2019) D.T.Yordanov, M.Kowalska, K.Blaum, M.De Rydt, K.T.Flanagan, P.Himpe, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen, H.Stroke Quadrupole moments of 29Mg and 33Mg NUCLEAR MOMENTS 29,33Mg; measured frequencies; deduced hyperfine parameters and quadrupole moments. Comparison with shell-model predictions.
doi: 10.1007/s10751-019-1609-4
2018HA30 Phys.Rev.Lett. 121, 102501 (2018) M.Hammen, W.Nortershauser, D.L.Balabanski, M.L.Bissell, K.Blaum, I.Budincevic, B.Cheal, K.T.Flanagan, N.Frommgen, G.Georgiev, Ch.Geppert, M.Kowalska, K.Kreim, A.Krieger, W.Nazarewicz, R.Neugart, G.Neyens, J.Papuga, P.-G.Reinhard, M.M.Rajabali, S.Schmidt, D.T.Yordanov From Calcium to Cadmium: Testing the Pairing Functional through Charge Radii Measurements of 100-130Cd NUCLEAR MOMENTS 100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130Cd; measured frequencies; deduced differences in mean-square nuclear charge radii, isotope shifts. Comparison with density functional theory predictions.
doi: 10.1103/PhysRevLett.121.102501
2018YA11 Phys.Rev. C 97, 044324 (2018) X.F.Yang, Y.Tsunoda, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, K.T.Flanagan, R.F.Garcia Ruiz, W.Gins, C.Gorges, L.K.Grob, H.Heylen, S.Kaufmann, M.Kowalska, J.Kramer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Sanchez, C.Wraith, L.Xie, D.T.Yordanov Investigating the large deformation of the 5/2+ isomeric state in 73Zn: An indicator for triaxiality NUCLEAR MOMENTS 73,73mZn; measured hyperfine structure spectra using collinear laser spectroscopy (COLLAPS) at CERN-ISOLDE; deduced spins of ground state and isomer, estimated half-life of the isomer, and found no evidence for a previously proposed 5.6-s isomer. 73,73mZn produced by impinging UCx target by 1.4 GeV protons, and ionized by the resonant ionization laser-ion source (RILIS). 69m,71m,73m,75,77,79Zn; calculated quadrupole moments of ground states and isomers using shell model with JUN45 and A3DA-m interactions, and compared with experimental results from experiments at ISOLDE-CERN. Discussed collectivity in 73Zn. NUCLEAR STRUCTURE 71,72,73,74,75Zn; calculated potential energy surfaces (PES) of high-spin states in 71,73,75Zn, and 0+, 2+, and 4+ states in 72,74Zn in (Q2, Q4) plane using Monte Carlo shell model (MCSM). 73Zn; calculated levels, J, π, T plots of levels in 73Zn, and compared with experimental data.
doi: 10.1103/PhysRevC.97.044324
2018YO07 Phys.Rev. C 98, 011303 (2018) D.T.Yordanov, D.L.Balabanski, M.L.Bissell, K.Blaum, A.Blazhev, I.Budincevic, N.Frommgen, Ch.Geppert, H.Grawe, M.Hammen, K.Kreim, R.Neugart, G.Neyens, W.Nortershauser Spins and electromagnetic moments of 101-109Cd NUCLEAR MOMENTS 101,103,105,107,109Cd; measured hyperfine spectra using high-resolution collinear laser spectroscopy (COLLAPS) at ISOLDE-CERN; deduced hyperfine structure constants A and B, J, magnetic dipole moment μ, electric quadrupole moment Q. Comparison with large-scale shell-model calculations using SR88MHJM Hamiltonian and with values from literature. Systematics of electromagnetic moments for A=99-111 Sn isotopes. 99Cd; predicted quadrupole moment from systematics. Activities produced in Sn(p, X) reaction and ion beams accumulated in a radio-frequency Paul trap.
doi: 10.1103/PhysRevC.98.011303
2017GA02 J.Phys.(London) G44, 044003 (2017) R.F.Garcia Ruiz, C.Gorges, M.Bissell, K.Blaum, W.Gins, H.Heylen, K.Koenig, S.Kaufmann, M.Kowalska, J.Kramer, P.Lievens, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, D.T.Yordanov, X.F.Yang Development of a sensitive setup for laser spectroscopy studies of very exotic calcium isotopes NUCLEAR MOMENTS 48,51,52Ca; measured fluorescence photons; deduced nuclear charge radii, hyperfine parameter values, nuclear magnetic and quadrupole moments. Comparison with available data.
doi: 10.1088/1361-6471/aa5a24
2017NE04 J.Phys.(London) G44, 064002 (2017) R.Neugart, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, K.T.Flanagan, G.Neyens, W.Nortershauser, D.T.Yordanov Collinear laser spectroscopy at ISOLDE: new methods and highlights NUCLEAR MOMENTS 31Mg, 38,39,42,44,46,47,48,49,50,51K, 40,43,44,45,46,47,48,49,50,51,52Ca, 51,53,54,55,56,57,58,59,60,61,62,63,64Mn, 58,59,60,61,62,63,64,65,66,67,68,70Ni, 58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75Cu, 62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80Zn, 63,64Ga, 66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81Ga, 100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129Cd, 109Sn, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134Sn; measured fluorescence; deduced hyperfine structure (hfs) spectra, nuclear magnetic and quadrupole moments, radii.
doi: 10.1088/1361-6471/aa6642
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
2017YO05 J.Phys.(London) G44, 075104 (2017) D.T.Yordanov, M.L.Bissell, K.Blaum, M.De Rydt, C.Geppert, J.Kramer, K.Kreim, M.Kowalska, A.Krieger, P.Lievens, R.Neugart, G.Neyens, W.Nortershauser, L.V.Rodriguez, R.Sanchez, P.Vingerhoets Spin and magnetic moment of 23Mg NUCLEAR MOMENTS 23,24,25Mg; measured fluorescence spectra; deduced magnetic moments. Collinear laser spectroscopy at CERN-ISOLDE.
doi: 10.1088/1361-6471/aa718b
2016BA44 Phys.Lett. B 760, 387 (2016) C.Babcock, H.Heylen, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, D.Fedorov, R.F.Garcia Ruiz, W.Geithner, W.Gins, T.Day Goodacre, L.K.Grob, M.Kowalska, S.M.Lenzi, B.Maass, S.Malbrunot-Ettenauer, B.Marsh, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, R.Rossel, S.Rothe, R.Sanchez, Y.Tsunoda, C.Wraith, L.Xie, X.F.Yang Quadrupole moments of odd-A 53-63Mn: Onset of collectivity towards N = 40 NUCLEAR MOMENTS 53,55,57,59,61,63Mn; measured hyperfine spectra; deduced spectroscopic quadrupole moments. Comparison with large-scale shell model predictions using three effective interactions, GXPF1A, LNPS, modified A3DA.
doi: 10.1016/j.physletb.2016.07.016
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
2016GA34 Nat.Phys. 12, 594 (2016) R.F.Garcia Ruiz, M.L.Bissell, K.Blaum, A.Ekstrom, N.Frommgen, G.Hagen, M.Hammen, K.Hebeler, J.D.Holt, G.R.Jansen, M.Kowalska, K.Kreim, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, T.Papenbrock, J.Papuga, A.Schwenk, J.Simonis, K.A.Wendt, D.T.Yordanov Unexpectedly large charge radii of neutron-rich calcium isotopes NUCLEAR REACTIONS U(p, X)43Ca/44Ca/45Ca/46Ca/47Ca/48Ca/49Ca/50Ca/51Ca/52Ca, E=1.4GeV; measured hyperfine structure spectra; deduced charge radii. Comparison with available data.
doi: 10.1038/nphys3645
2016HE14 Phys.Rev. C 94, 054321 (2016) H.Heylen, C.Babcock, R.Beerwerth, J.Billowes, M.L.Bissell, K.Blaum, J.Bonnard, P.Campbell, B.Cheal, T.Day Goodacre, D.Fedorov, S.Fritzsche, R.F.Garcia Ruiz, W.Geithner, Ch.Geppert, W.Gins, L.K.Grob, M.Kowalska, K.Kreim, S.M.Lenzi, I.D.Moore, B.Maass, S.Malbrunot-Ettenauer, B.Marsh, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Rossel, S.Rothe, R.Sanchez, Y.Tsunoda, C.Wraith, L.Xie, X.F.Yang, D.T.Yordanov Changes in nuclear structure along the Mn isotopic chain studied via charge radii ATOMIC PHYSICS 51,53,54,55,56,57,58,59,60,61,62,63,64Mn; measured hyperfine spectra using collinear laser spectroscopy at ISOLDE-CERN; deduced charge radii. Isotopes produced in bombardment of uranium carbide target with 1.4-GeV proton beam. Mass and field shift factors calculated in multiconfiguration Dirac-Fock framework and combined with King plot analysis. Comparison with Duflo-Zuker formula. NUCLEAR STRUCTURE 53,55,57,59,61,63,65Mn; calculated potential energy surfaces using Monte Carlo shell-model. Systematics of S(2n) values for Z=20-28, N=24-46 nuclei.
doi: 10.1103/PhysRevC.94.054321
2016YA02 Phys.Rev.Lett. 116, 182502 (2016) X.F.Yang, C.Wraith, L.Xie, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, K.T.Flanagan, R.F.Garcia Ruiz, W.Gins, C.Gorges, L.K.Grob, H.Heylen, S.Kaufmann, M.Kowalska, J.Kraemer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, R.Sanchez, D.T.Yordanov Isomer Shift and Magnetic Moment of the Long-Lived 1/2+ Isomer in 7930Zn49: Signature of Shape Coexistence near 78Ni NUCLEAR MOMENTS 67,79Zn [from U(p, X), E=1.4 GeV]; measured hyperfine spectra of the ground and isomeric states; deduced nuclear moments, g factors, root-mean-square charge radii. Comparison with available data.
doi: 10.1103/PhysRevLett.116.182502
2016YO01 Phys.Rev.Lett. 116, 032501 (2016) D.T.Yordanov, D.L.Balabanski, M.L.Bissell, K.Blaum, I.Budincevic, B.Cheal, K.Flanagan, N.Frommgen, G.Georgiev, Ch.Geppert, M.Hammen, M.Kowalska, K.Kreim, A.Krieger, J.Meng, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, J.Papuga, S.Schmidt, P.W.Zhao Simple Nuclear Structure in 111-129Cd from Atomic Isomer Shifts NUCLEAR MOMENTS 111,113,115,117,119,121,123,125,127,129Cd; measured spectral lines; deduced isomer shifts and differential mean square charge radii, quadrupole moments. Comparison with covariant density functional theory.
doi: 10.1103/PhysRevLett.116.032501
2015BA49 Phys.Lett. B 750, 176 (2015) C.Babcock, H.Heylen, J.Billowes, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.F.Garcia Ruiz, C.Geppert, W.Gins, M.Kowalska, K.Kreim, S.M.Lenzi, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, D.T.Yordanov Evidence for Increased neutron and proton excitations between 51-63Mn NUCLEAR MOMENTS 51,52,53,54,55,56,57,58,59,60,61,62,63Mn; measured hyperfine structures; deduced J, magnetic dipole moments. Comparison with large-scale shell-model calculations using different model spaces and effective interactions.
doi: 10.1016/j.physletb.2015.09.012
2015FR08 Eur.Phys.J. D 69, 164 (2015) N.Frommgen, D.L.Balabanski, M.L.Bissell, J.Bieron, K.Blaum, B.Cheal, K.Flanagan, S.Fritzsche, C.Geppert, M.Hammen, M.Kowalska, K.Kreim, A.Krieger, R.Neugart, G.Neyens, M.M.Rajabali, W.Nortershauser, J.Papuga, D.T.Yordanov Collinear laser spectroscopy of atomic cadmium NUCLEAR MOMENTS 107,109,111,113,115,117,119,121,123Cd; measured frequencies; deduced hyperfine structure factors, nuclear magnetic moments and electric quadrupole moments. Comparison with multi-configuration Dirac-Hartree-Fock calculations. Colinear laser spectroscopy at Isolde.
doi: 10.1140/epjd/e2015-60219-0
2015GO24 J.Phys.(London) B48, 245008 (2015) C.Gorges, K.Blaum, N.Frommgen, C.Geppert, M.Hammen, S.Kaufmann, J.Kramer, A.Krieger, R.Neugart, R.Sanchez, W.Nortershauser Isotope shift of 40, 42, 44, 48Ca in the 4s 2S1/2 → 4p 2P3/2 transition ATOMIC PHYSICS 40,42,44,48Ca; measured ion kinetic energy spectra; deduced precise isotope shift values. Comparison with available data.
doi: 10.1088/0953-4075/48/24/245008
2015HE10 Acta Phys.Pol. B46, 699 (2015) H.Heylen, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.F.Garcia Ruiz, Ch.Geppert, W.Gins, K.Kreim, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, D.T.Yordanov Collinear Laser Spectroscopy on Neutron-rich Mn Isotopes Approaching N = 40 NUCLEAR REACTIONS U(p, X)51Mn/53Mn/54Mn/55Mn/56Mn/57Mn/58Mn/59Mn/60Mn/61Mn/62Mn/63Mn/64Mn, E=1.4 GeV; measured hyperfine spectra; deduced J, g-factors, quadrupole moments.
doi: 10.5506/APhysPolB.46.699
2015HE28 Phys.Rev. C 92, 044311 (2015) H.Heylen, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.F.Garcia Ruiz, Ch.Geppert, W.Gins, M.Kowalska, K.Kreim, S.M.Lenzi, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, D.T.Yordanov Spins and magnetic moments of 58, 60, 62, 64Mn ground states and isomers NUCLEAR MOMENTS 54,56,58,60,62,64Mn; measured hyperfine spectra using laser ion source (RILIS), high-resolution separator (HRS), cooler-buncher (ISCOOL), and collinear laser spectroscopy beam line (COLLAPS) at ISOLDE-CERN; deduced levels, J, hyperfine structure parameters, magnetic dipole, moments and electric quadrupole moments for ground states and isomers. Mn beams produced in U(p, X), E=1.4 GeV reaction. Comparison with large-scale shell-model calculations using GXPF1A and LNPS effective interactions.
doi: 10.1103/PhysRevC.92.044311
2015RU02 Phys.Rev. C 91, 041304 (2015) R.F.Garcia Ruiz, M.L.Bissell, K.Blaum, N.Frommgen, M.Hammen, J.D.Holt, M.Kowalska, K.Kreim, J.Menendez, R.Neugart, G.Neyens, W.Nortershauser, F.Nowacki, J.Papuga, A.Poves, A.Schwenk, J.Simonis, D.T.Yordanov Ground-state electromagnetic moments of calcium isotopes NUCLEAR MOMENTS 43,45,47,49,51Ca; measured hyperfine spectra, hyperfine structure constants, J, g factors, magnetic and quadrupole moments using collinear laser spectroscopy (COLLAPS) and radiofrequency quadrupole (RFQ) beam cooler ISCOOL at ISOLDE-CERN facility. Comparison with theoretical predictions using KB3G, GXPF1A, SDPF.SM and three-nucleon forces (NN+3N). Ca beams produced in bombardment of uranium carbide target with 1.4-GeV protons at ISOLDE-CERN.
doi: 10.1103/PhysRevC.91.041304
2014BI10 Phys.Rev.Lett. 113, 052502 (2014) M.L.Bissell, J.Papuga, H.Naidja, K.Kreim, K.Blaum, M.De Rydt, R.F.Garcia Ruiz, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, F.Nowacki, M.M.Rajabali, R.Sanchez, K.Sieja, D.T.Yordanov Proton-Neutron Pairing Correlations in the Self-Conjugate Nucleus 38K Probed via a Direct Measurement of the Isomer Shift ATOMIC PHYSICS 38K; measured frequency of hyperfine spectra; deduced isomer shift, rms charge radii. Comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevLett.113.052502
2014KR04 Phys.Lett. B 731, 97 (2014) K.Kreim, M.L.Bissell, J.Papuga, K.Blaum, M.De Rydt, R.F.Garcia Ruiz, S.Goriely, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, R.Sanchez Alarcon, H.H.Stroke, D.T.Yordanov Nuclear charge radii of potassium isotopes beyond N = 28 ATOMIC PHYSICS 38,39,42,44,46,47,48,49,50,51K; measured optical spectra, hyperfine structure; deduced spins, mean square charge radii. Comparison with HFB-24 and DD-ME2 theoretical models.
doi: 10.1016/j.physletb.2014.02.012
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
2013PA11 Phys.Rev.Lett. 110, 172503 (2013) J.Papuga, M.L.Bissell, K.Kreim, K.Blaum, B.A.Brown, M.De Rydt, R.F.Garcia Ruiz, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, M.M.Rajabali, R.Sanchez, Y.Utsuno, D.T.Yordanov Spins and Magnetic Moments of 49K and 51K: Establishing the 1/2+ and 3/2+ Level Ordering Beyond N=28 NUCLEAR MOMENTS 39,47,49,51K; measured hyperfine spectra; deduced dipole magnetic moments, g-factors. Comparison with available data, shell model calculations.
doi: 10.1103/PhysRevLett.110.172503
2013YO02 Phys.Rev.Lett. 110, 192501 (2013) D.T.Yordanov, D.L.Balabanski, J.Bieron, M.L.Bissell, K.Blaum, I.Budincevic, S.Fritzsche, N.Frommgen, G.Georgiev, Ch.Geppert, M.Hammen, M.Kowalska, K.Kreim, A.Krieger, R.Neugart, W.Nortershauser, J.Papuga, S.Schmidt Spins, Electromagnetic Moments, and Isomers of 107-129Cd NUCLEAR MOMENTS 107,109,111,113,115,117,119,121,123,125,127,129Cd; measured the atomic hyperfine structure by the ion-beam fluorescence as a function of the laser frequency scanned via the Doppler effect; deduced J, hyperfine parameters, electromagnetic dipole and quadrupole moments. Comparison with available data.
doi: 10.1103/PhysRevLett.110.192501
2012CH51 J.Phys.:Conf.Ser. 381, 012071 (2012) B.Cheal, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, K.T.Flanagan, D.H.Forest, Ch.Geppert, M.Kowalska, K.Kreim, A.Krieger, J.Kramer, K.M.Lynch, E.Mane, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, T.J.Procter, M.M.Rajabali, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Laser spectroscopy of gallium isotopes beyond N = 50 NUCLEAR MOMENTS 82Ga; measured nuclear moments using laser spectroscopy; deduced hfs, hyperfine coefficients, g-factor, magnetic dipole moment, electric quadrupole from fitting observed hfs of the ground state.
doi: 10.1088/1742-6596/381/1/012071
2012KR04 Phys.Rev.Lett. 108, 142501 (2012) A.Krieger, K.Blaum, M.L.Bissell, N.Frommgen, Ch.Geppert, M.Hammen, K.Kreim, M.Kowalska, J.Kramer, T.Neff, R.Neugart, G.Neyens, W.Nortershauser, Ch.Novotny, R.Sanchez, D.T.Yordanov Nuclear Charge Radius of 12Be NUCLEAR MOMENTS 12Be; measured isotope shifts; deduced nuclear charge radii. Comparison with available data and FMD calculations.
doi: 10.1103/PhysRevLett.108.142501
2012PR11 Phys.Rev. C 86, 034329 (2012) T.J.Procter, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, B.Cheal, K.T.Flanagan, D.H.Forest, S.Fritzsche, Ch.Geppert, H.Heylen, M.Kowalska, K.Kreim, A.Krieger, J.Kramer, K.M.Lynch, E.Mane, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, M.M.Rajabali, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Nuclear mean-square charge radii of 63, 64, 66, 68-82Ga nuclei: No anomalous behavior at N=32 NUCLEAR REACTIONS Zr(p, X)63Ga/64Ga/66Ga/68Ga/69Ga/70Ga/71Ga/72Ga/73Ga/74Ga/75Ga/76Ga/77Ga/78Ga/79Ga/80Ga/80mGa/81Ga/82Ga, E=1.4 GeV; measured optical spectra, hyperfine coefficients, isotope shifts, mean-square charge radii, J, magnetic dipole and electric quadrupole moments using collinear laser spectroscopy. RILIS source at ISOLDE, CERN facility. NUCLEAR MOMENTS 63,64,66,68,69,70,71,72,73,74,75,76,77,78,79,80,80m,81,82Ga; measured optical spectra, hyperfine coefficients, isotope shifts, mean-square charge radii, J, magnetic dipole and electric quadrupole moments using collinear laser spectroscopy. RILIS source at ISOLDE, CERN facility. Comparison with shell-model calculations. Z=30, 32, N=30-55; systematics of energies of first 2+ states and E(first 4+)/E(first 2+). Z=28, 30, 31, 36, N=3-0-52; systematics of mean-square charge radii.
doi: 10.1103/PhysRevC.86.034329
2012YO01 Phys.Rev.Lett. 108, 042504 (2012) D.T.Yordanov, M.L.Bissell, K.Blaum, M.De Rydt, Ch.Geppert, M.Kowalska, J.Kramer, K.Kreim, A.Krieger, P.Lievens, T.Neff, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, P.Vingerhoets Nuclear Charge Radii of 21-32Mg ATOMIC PHYSICS 21,22,23,24,25,26,27,28,29,30,31,32Mg; measured the atomic isotope shift representing the transition frequencies with respect to the fine structure levels; deduced rms charge radii, evolution of nuclear shape through deformation regions. Comparison with theory and differential mean square radii, application of laser-induced orientation for isotope shift measurements.
doi: 10.1103/PhysRevLett.108.042504
2011MA45 Phys.Rev. C 84, 024303 (2011) E.Mane, B.Cheal, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, K.T.Flanagan, D.H.Forest, Ch.Geppert, M.Kowalska, A.Krieger, J.Kramer, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, R.Sanchez, M.Schug, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Ground-state spins and moments of 72, 74, 76, 78Ga nuclei NUCLEAR MOMENTS 72,74,76,78,80Ga; measured hyperfine structure using laser spectroscopy and RILIS source at ISOLDE, CERN; deduced hyperfine structure parameters, ground state spins, magnetic dipole moments, electric quadrupole moments, configurations. Comparison with Shell Model calculations. NUCLEAR STRUCTURE 74,76,78,80Ga; calculated levels, J, π using shell-model with the jj44b effective interaction, and proton configuration. 71,73,75,77,79,81Ga; calculated percentage occupation of the πp3/2 and πf5/2 orbitals in the ground states.
doi: 10.1103/PhysRevC.84.024303
2011MA48 Phys.Rev. C 84, 034313 (2011) K.Marinova, W.Geithner, M.Kowalska, K.Blaum, S.Kappertz, M.Keim, S.Kloos, G.Kotrotsios, P.Lievens, R.Neugart, H.Simon, S.Wilbert Charge radii of neon isotopes across the sd neutron shell NUCLEAR MOMENTS 17,18,19,20,21,22,23,24,25,26,27,28Ne; measured isotope shifts, hyperfine structure; deduced mean-square charge radii, β2 deformation parameters. Collinear laser spectroscopy. Systematics of first excited 2+ states, B(E2) values, deformation parameters for even-A nuclei. Comparison with several theoretical model calculation. Relevance to nuclei in the 'island of inversion'. NUCLEAR REACTIONS Ca, U(p, X)17Ne/18Ne/19Ne/23Ne/24Ne/25Ne/26Ne/27Ne/28Ne, E=1.4 GeV; measured production yields at CERN-ISOLDE on-line isotope separator.
doi: 10.1103/PhysRevC.84.034313
2011VI03 Phys.Lett. B 703, 34 (2011) P.Vingerhoets, K.T.Flanagan, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, M.De Rydt, D.H.Forest, Ch.Geppert, M.Honma, M.Kowalska, J.Kramer, K.Kreim, A.Krieger, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, T.J.Procter, M.M.Rajabali, R.Sanchez, H.H.Stroke, D.T.Yordanov Magnetic and quadrupole moments of neutron deficient 58-62Cu isotopes NUCLEAR MOMENTS 58,59,60,61,62Cu; measured hyperfine spectrum; deduced ground state nuclear moments, g factors, quadrupole moments, ground-state hyperfine parameters. Comparison with large-scale shell model calculations, GXPF1A effective interaction. NUCLEAR STRUCTURE 57,58,59,60,61,62,63,64,65,66,67,68Cu; calculated level energies, J, π, g factors, quadrupole moments. GXPF1A effective interaction. Comparison with experimental data.
doi: 10.1016/j.physletb.2011.07.050
2010CH16 Phys.Rev.Lett. 104, 252502 (2010) B.Cheal, E.Mane, J.Billowes, M.L.Bissell, K.Blaum, B.A.Brown, F.C.Charlwood, K.T.Flanagan, D.H.Forest, C.Geppert, M.Honma, A.Jokinen, M.Kowalska, A.Krieger, J.Kramer, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, M.Schug, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Nuclear Spins and Moments of Ga Isotopes Reveal Sudden Structural Changes between N=40 and N=50 NUCLEAR REACTIONS U(p, X)67Ga/69Ga/71Ga/73Ga/75Ga/77Ga/79Ga/81Ga, E=1.4 GeV; measured optical hfs spectra; deduced ground J, π, magnetic dipole and electric quadrupole moments, anomalous ground state spins.
doi: 10.1103/PhysRevLett.104.252502
2010CH50 Phys.Rev. C 82, 051302 (2010) B.Cheal, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, K.T.Flanagan, D.H.Forest, S.Fritzsche, Ch.Geppert, A.Jokinen, M.Kowalska, A.Krieger, J.Kramer, E.Mane, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, M.Schug, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Discovery of a long-lived low-lying isomeric state in 80Ga NUCLEAR MOMENTS 80Ga; measured optical hyperfine structure spectra, spins, magnetic dipole moments, electric quadrupole moments, half-lives using Collinear laser spectroscopy at ISOLDE, CERN. 80Ga; deduced levels, J, π, isomer, configurations. Comparison with shell-model calculations in restricted and full pfg-model space with a 56Ni core
doi: 10.1103/PhysRevC.82.051302
2010FL02 Phys.Rev. C 82, 041302 (2010) K.T.Flanagan, P.Vingerhoets, M.L.Bissell, K.Blaum, B.A.Brown, B.Cheal, M.De Rydt, D.H.Forest, Ch.Geppert, M.Honma, M.Kowalska, J.Kramer, A.Krieger, E.Mane, R.Neugart, G.Neyens, W.Nortershauser, M.Schug, H.H.Stroke, D.T.Yordanov Experimental determination of an Iπ=2- ground state in 72, 74Cu NUCLEAR MOMENTS 72Cu, 74Cu; measured resonance fluorescence spectra, hyperfine structure parameters, spins, static magnetic dipole and electric quadrupole moments of the ground states using collinear laser spectroscopy at the CERN on-Line Isotope Mass Separator (ISOLDE) facility. Comparison with shell-model calculations using the JUN45 interaction. NUCLEAR STRUCTURE 71,72,73,74,75Cu; calculated levels, J, π using large-scale shell-model calculations and several interactions.
doi: 10.1103/PhysRevC.82.041302
2010VI07 Phys.Rev. C 82, 064311 (2010) P.Vingerhoets, K.T.Flanagan, M.Avgoulea, J.Billowes, M.L.Bissell, K.Blaum, B.A.Brown, B.Cheal, M.De Rydt, D.H.Forest, Ch.Geppert, M.Honma, M.Kowalska, J.Kramer, A.Krieger, E.Mane, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, M.Schug, H.H.Stroke, G.Tungate, D.T.Yordanov Nuclear spins, magnetic moments, and quadrupole moments of Cu isotopes from N=28 to N=46: Probes for core polarization effects NUCLEAR MOMENTS 61,62,63,64,65,66,67,68,69,70,71,72,73,74,75Cu; measured hyperfine structure spectra, spins, magnetic dipole moments, electric quadrupole moments using collinear laser spectroscopy at CERN-ISOLDE. RILIS source and Paul trap ISCOOL. Comparison with shell-model calculations. NUCLEAR REACTIONS U(p, X)61Cu/62Cu/63Cu/64Cu/65Cu/66Cu/67Cu/68Cu/68mCu/69Cu/70Cu/70mCu/71Cu/72Cu/73Cu/74Cu/75Cu/, E=1.4 GeV; measured production yields. NUCLEAR STRUCTURE 57,58,59,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,77,79Cu; calculated levels, J, π, g factors and quadrupole moments using large-scale shell model starting from a 56Ni core
doi: 10.1103/PhysRevC.82.064311
2010YO01 Phys.Rev.Lett. 104, 129201 (2010) D.T.Yordanov, K.Blaum, M.De Rydt, M.Kowalska, R.Neugart, G.Neyens, I.Hamamoto Comment on "Intruder Configurations in the A=33 Isobars: 33Mg and 33Al" NUCLEAR STRUCTURE 33Mg, 33Al; calculated magnetic moments; deduced 33Mg π. Comparison with experimental data.
doi: 10.1103/PhysRevLett.104.129201
2010ZA02 J.Phys.(London) G37, 055107 (2010) M.Zakova, Z.Andjelkovic, M.L.Bissell, K.Blaum, G.W.F.Drake, Ch.Geppert, M.Kowalska, J.Kramer, A.Krieger, M.Lochmann, T.Neff, R.Neugart, W.Nortershauser, R.Sanchez, F.Schmidt-Kaler, D.Tiedemann, Z.-C.Yan, D.T.Yordanov, C.Zimmermann Isotope shift measurements in the 2s1/2 → 2p3/2 transition of Be+ and extraction of the nuclear charge radii for 7, 10, 11Be ATOMIC PHYSICS 7,10,11Be; measured laser beam frequencies; deduced isotope shifts, nuclear charge radii, cluster structures. Comparison with nuclear structure calculations.
doi: 10.1088/0954-3899/37/5/055107
2009FL03 Phys.Rev.Lett. 103, 142501 (2009) K.T.Flanagan, P.Vingerhoets, M.Avgoulea, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, M.De Rydt, V.N.Fedosseev, D.H.Forest, Ch.Geppert, U.Koster, M.Kowalska, J.Kramer, K.L.Kratz, A.Krieger, E.Mane, B.A.Marsh, T.Materna, L.Mathieu, P.L.Molkanov, R.Neugart, G.Neyens, W.Nortershauser, M.D.Seliverstov, O.Serot, M.Schug, M.A.Sjoedin, J.R.Stone, N.J.Stone, H.H.Stroke, G.Tungate, D.T.Yordanov, Yu.M.Volkov Nuclear Spins and Magnetic Moments of 71, 73, 75Cu: Inversion of π2p3/2 and π1f5/2 Levels in 75Cu NUCLEAR MOMENTS 71,73,75Cu; measured hfs spectra; deduced ground-state spins, magnetic moments, hyperfine parameters, shell inversion. Comparison with large-scale shell-model calculation.
doi: 10.1103/PhysRevLett.103.142501
2009KR05 Phys.Lett. B 678, 465 (2009) J.Kramer, K.Blaum, M.De Rydt, K.T.Flanagan, Ch.Geppert, M.Kowalska, P.Lievens, R.Neugart, G.Neyens, W.Nortershauser, H.H.Stroke, P.Vingerhoets, D.T.Yordanov Nuclear ground-state spin and magnetic moment of 21Mg NUCLEAR MOMENTS 21Mg [from Si(p, X), E=1.4 GeV]; measured hfs; deduced ground state spin, g-factor, μ using collinear laser spectroscopy and NMR; calculated J, π, configuration. Comparison with shell model calculations and discussed 21F and other mirror pairs.
doi: 10.1016/j.physletb.2009.06.063
2009MA75 Eur.Phys.J. A 42, 503 (2009) E.Mane, J.Billowes, K.Blaum, P.Campbell, B.Cheal, P.Delahaye, K.T.Flanagan, D.H.Forest, H.Franberg, C.Geppert, T.Giles, A.Jokinen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, I.Podadera, G.Tungate, P.Vingerhoets, D.T.Yordanov An ion cooler-buncher for high-sensitivity collinear laser spectroscopy at ISOLDE NUCLEAR MOMENTS 46K; measured hfs. Testing of new laser spectroscopy technique.
doi: 10.1140/epja/i2009-10828-0
2009NO02 Phys.Rev.Lett. 102, 062503 (2009) W.Nortershauser, D.Tiedemann, M.Zakova, Z.Andjelkovic, K.Blaum, M.L.Bissell, R.Cazan, G.W.F.Drake, Ch.Geppert, M.Kowalska, J.Kramer, A.Krieger, R.Neugart, R.Sanchez, F.Schmidt-Kaler, Z.-C.Yan, D.T.Yordanov, C.Zimmermann Nuclear Charge Radii of 7, 9, 10Be and the One-Neutron Halo Nucleus 11Be NUCLEAR MOMENTS 7,9,10,11Be; measured isotope shifts; deduced nuclear charge radii.
doi: 10.1103/PhysRevLett.102.062503
2008BL01 Nucl.Phys. A799, 30 (2008) K.Blaum, W.Geithner, J.Lassen, P.Lievens, K.Marinova, R.Neugart Nuclear moments and charge radii of argon isotopes between the neutron-shell closures N = 20 and N = 28 NUCLEAR MOMENTS 38,40,41,42,43,44Ar; measured isotope shifts, hfs; deduced charge radii, J, μ, quadrupole moment. Fast-beam collinear laser spectroscopy.
doi: 10.1016/j.nuclphysa.2007.11.004
2008GE07 Phys.Rev.Lett. 101, 252502 (2008) W.Geithner, T.Neff, G.Audi, K.Blaum, P.Delahaye, H.Feldmeier, S.George, C.Guenaut, F.Herfurth, A.Herlert, S.Kappertz, M.Keim, A.Kellerbauer, H.-J.Kluge, M.Kowalska, P.Lievens, D.Lunney, K.Marinova, R.Neugart, L.Schweikhard, S.Wilbert, C.Yazidjian Masses and Charge Radii of 17-22Ne and the Two-Proton-Halo Candidate 17Ne ATOMIC MASSES 17,18,19,20,21,22Ne; measured masses and charge radii using penning trap mass spectrometry.
doi: 10.1103/PhysRevLett.101.252502
2008KO05 Phys.Rev. C 77, 034307 (2008) M.Kowalska, D.T.Yordanov, K.Blaum, P.Himpe, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen Nuclear ground-state spins and magnetic moments of 27Mg, 29Mg, and 31Mg NUCLEAR MOMENTS 25,27,29,31Mg [from 238U(p, X), E=1.4 GeV]; measured J, π of ground states, magnetic moments, hyperfine structure using laser and β-NMR spectroscopy. Compared with shell-model calculations.
doi: 10.1103/PhysRevC.77.034307
2008NE11 Phys.Rev.Lett. 101, 132502 (2008) R.Neugart, D.L.Balabanski, K.Blaum, D.Borremans, P.Himpe, M.Kowalska, P.Lievens, S.Mallion, G.Neyens, N.Vermeulen, D.T.Yordanov Precision Measurement of 11Li Moments: Influence of Halo Neutrons on the 9Li Core NUCLEAR MOMENTS 11Li; measured electric dipole and quadrupole moments using a NMR based technique.
doi: 10.1103/PhysRevLett.101.132502
2007YO06 Phys.Rev.Lett. 99, 212501 (2007) D.T.Yordanov, M.Kowalska, K.Blaum, M.De Rydt, K.T.Flanagan, P.Lievens, R.Neugart, G.Neyens, H.H.Stroke Spin and Magnetic Moment of 33Mg: Evidence for a Negative-Parity Intruder Ground State RADIOACTIVITY 33Mg(β-) [from U(p, X), E-1.4 GeV]; measured β-decay anisotropy using laser spectroscopy and nuclear magnetic resonance techniques. 33Mg deduced ground state spin and magnetic moment.
doi: 10.1103/PhysRevLett.99.212501
2005BL33 Hyperfine Interactions 162, 101 (2005) K.Blaum, W.Geithner, J.Lassen, P.Lievens, K.Marinova, R.Neugart Charged Radii of Argon Isotopes in the f7/2 Shell and Radii Systematics in the Ca-Region NUCLEAR MOMENTS 38,40,41,42,43,44,46Ar; measured isotope shifts; deduced charge radii. Fast-beam collinear laser spectroscopy.
doi: 10.1007/s10751-005-9222-0
2005BO45 Phys.Rev. C 72, 044309 (2005); Erratum Phys.Rev. C 72, 059902 (2005) D.Borremans, D.L.Balabanski, K.Blaum, W.Geithner, S.Gheysen, P.Himpe, M.Kowalska, J.Lassen, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen, D.Yordanov New measurement and reevaluation of the nuclear magnetic and quadrupole moments of 8Li and 9Li RADIOACTIVITY 8,9Li(β-) [from Ta(p, X)]; measured β-asymmetries, β-NMR spectra from polarized sources. 8,9Li deduced quadrupole moments. 9Li deduced μ. Comparisons with previous results and model predictions.
doi: 10.1103/PhysRevC.72.044309
2005GE06 Phys.Rev. C 71, 064319 (2005) W.Geithner, B.A.Brown, K.M.Hilligsoe, S.Kappertz, M.Keim, G.Kotrotsios, P.Lievens, K.Marinova, R.Neugart, H.Simon, S.Wilbert Nuclear moments of neon isotopes in the range from 17Ne at the proton drip line to neutron-rich 25Ne NUCLEAR MOMENTS 17,19,21,23,25Ne; measured hfs; deduced μ, quadrupole moments. Collinear fast-beam laser spectroscopy, comparison with shell model predictions.
doi: 10.1103/PhysRevC.71.064319
2005KO41 Eur.Phys.J. A 25, Supplement 1, 193 (2005) M.Kowalska, D.Yordanov, K.Blaum, D.Borremans, P.Himpe, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen Laser and β-NMR spectroscopy on neutron-rich magnesium isotopes RADIOACTIVITY 31Mg(β-) [from U(p, X)]; measured β-asymmetry and hfs, β-NMR spectra from polarized source. 31Mg deduced ground-state J, π, μ.
doi: 10.1140/epjad/i2005-06-041-1
2005NE01 Phys.Rev.Lett. 94, 022501 (2005) G.Neyens, M.Kowalska, D.Yordanov, K.Blaum, P.Himpe, P.Lievens, S.Mallion, R.Neugart, N.Vermeulen, Y.Utsuno, T.Otsuka Measurement of the Spin and Magnetic Moment of 31Mg: Evidence for a Strongly Deformed Intruder Ground State RADIOACTIVITY 31Mg(β-) [from U(p, X)]; measured β-asymmetry, β-NMR spectra from polarized source. 31Mg deduced ground-state J, π, μ.
doi: 10.1103/PhysRevLett.94.022501
2002LE30 Eur.Phys.J. A 15, 49 (2002) F.Le Blanc, L.Cabaret, J.E.Crawford, S.Essabaa, V.Fedoseyev, W.Geithner, J.Genevey, M.Girod, R.Horn, G.Huber, S.Kappertz, J.Lassen, J.K.P.Lee, G.Le Scornet, V.Mishin, R.Neugart, J.Obert, J.Oms, A.Ouchrif, S.Peru, J.Pinard, H.Ravn, B.Roussiere, J.Sauvage, D.Verney, and the Isolde Collaboration Charge radius change in the heavy tin isotopes until A = 132 from laser spectroscopy NUCLEAR MOMENTS 125,126,127,128,129,130,131,132Sn; measured hfs, isotope shifts, charge radii. Laser spectroscopy, comparison with model predictions.
doi: 10.1140/epja/i2001-10225-9
2002NE16 Eur.Phys.J. A 15, 35 (2002) Lasers in nuclear physics - A review
doi: 10.1140/epja/i2001-10220-2
2000GE19 Hyperfine Interactions 127, 117 (2000) W.Geithner, K.M.Hilligsoe, S.Kappertz, G.Katko, M.Keim, S.Kloos, G.Kotrotsios, P.Lievens, K.Marinova, R.Neugart, L.Vermeeren, S.Wilbert, and the ISOLDE Collaboration Accurate isotope shift measurements on short-lived neon isotopes
doi: 10.1023/A:1012614827735
2000GE20 Hyperfine Interactions 129, 271 (2000) W.Geithner, U.Georg, S.Kappertz, M.Keim, A.Klein, P.Lievens, R.Neugart, M.Neuroth, L.Vermeeren, S.Wilbert, and the ISOLDE Collaboration Measurement of nuclear moments and radii by collinear laser spectroscopy and by β-NMR spectroscopy NUCLEAR MOMENTS 7,9,10,11Be, 20,26,27,28,29,30,31Na, 32,33,34,35,36,37,38,39,40,46Ar; measured β assymetry, hfs; deduced μ, quadrupole moments, mean squared charge radii.
doi: 10.1023/A:1012642707147
2000KE09 Eur.Phys.J. A 8, 31 (2000) M.Keim, U.Georg, A.Klein, R.Neugart, M.Neuroth, S.Wilbert, P.Lievens, L.Vermeeren, B.A.Brown, and the ISOLDE Collaboration Measurement of the Electric Quadrupole Moments of 26-29Na NUCLEAR MOMENTS 26,27,28,29,30,31Na; measured β-NMR spectra; deduced μ. 26,27,28,29Na deduced quadrupole moments. Oriented nuclei, optical pumping. RADIOACTIVITY 26,27,28,29,30,31Na(β-) [from U(p, X)]; measured β-NMR spectra; deduced μ. 26,27,28,29Na deduced quadrupole moments. Oriented nuclei, optical pumping.
doi: 10.1007/s100500070117
2000NE11 Hyperfine Interactions 127, 101 (2000) Properties of halo nuclei measured by laser and β-NMR spectroscopy NUCLEAR MOMENTS 11Be; measured β-NMR spectra. Ne; measured radii.
doi: 10.1023/A:1012610726827
2000PE30 J.Phys.(London) G26, 1829 (2000) M.R.Pearson, P.Campbell, K.Leerungnavarat, J.Billowes, I.S.Grant, M.Keim, J.Kilgallon, I.D.Moore, R.Neugart, M.Neuroth, S.Wilbert, and the ISOLDE Collaboration Nuclear Moments and Charge Radii of Bismuth Isotopes NUCLEAR MOMENTS 205,206,207,208,209,210,212,213Bi; measure hfs, isotope shifts; deduced μ, quadrupole moment. Comparison with Hg, Tl, Pb and Po isotopes and with Shell model calculations.
doi: 10.1088/0954-3899/26/12/307
1999GE18 Phys.Rev.Lett. 83, 3792 (1999) W.Geithner, S.Kappertz, M.Keim, P.Lievens, R.Neugart, L.Vermeeren, S.Wilbert, V.N.Fedoseyev, U.Koster, V.I.Mishin, V.Sebastian, and the ISOLDE Collaboration Measurement of the Magnetic Moment of the One-Neutron Halo Nucleus 11Be NUCLEAR MOMENTS 11Be; measured β-NMR spectra; deduced μ, halo state configuration features.
doi: 10.1103/PhysRevLett.83.3792
1998GE13 Eur.Phys.J. A 3, 225 (1998) U.Georg, W.Borchers, M.Keim, A.Klein, P.Lievens, R.Neugart, M.Neuroth, P.M.Rao, Ch.Schulz, and the ISOLDE Collaboration Laser Spectroscopy Investigation of the Nuclear Moments and Radii of Lutetium Isotopes NUCLEAR MOMENTS 161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179Lu; measured hfs, spins, Q, μ, radii for ground, isomeric states; deduced Nilsson configurations. Collinear laser spectroscopy.
doi: 10.1007/s100500050172
1996KE08 Hyperfine Interactions 97/98, 543 (1996) M.Keim, U.Georg, A.Klein, R.Neugart, M.Neuroth, S.Wilbert, P.Lievens, L.Vermeeren, and the ISOLDE Collaboration Optical Polarization of Neutron-Rich Sodium Isotopes and β-NMR Measurements of Quadrupole Moments RADIOACTIVITY 26,27,28,29,30,31Na(β-); measured β-NMR; deduced quadrupole interaction constants in some cases. 27,28Na deduced electric quadrupole moment relative to 26Na. On-beam polarization by optical pumping.
doi: 10.1007/BF02150197
1996KL04 Nucl.Phys. A607, 1 (1996) A.Klein, B.A.Brown, U.Georg, M.Keim, P.Lievens, R.Neugart, M.Neuroth, R.E.Silverans, L.Vermeeren, and the ISOLDE Collaboration Moments and Mean Square Charge Radii of Short-Lived Argon Isotopes NUCLEAR MOMENTS 36,38,40Ar; measured isotope shifts, hfs; deduced hyperfine constants, spins I, μ, electric quadrupole moments, mean square charge radii. Collinear fast-beam laser spectroscopy, collisional ionization and β-detection. Shell model. RADIOACTIVITY 32,33,34,35Ar(β+); 37Ar(EC); 39,46Ar(β-); measured isotope shifts, hfs; deduced hyperfine constants, spins I, μ, electric quadrupole moments, mean square charge radii. Collinear fast-beam laser spectroscopy, collisional ionization and β-detection. Shell model.
doi: 10.1016/S0375-9474(96)00192-3
1996LI25 Europhys.Lett. 33, 11 (1996) P.Lievens, E.Arnold, W.Borchers, U.Georg, M.Keim, A.Klein, R.Neugart, L.Vermeeren, R.E.Silverans On the Odd-Even Staggering of Mean-Square Charge Radii in the Light Krypton and Strontium Region NUCLEAR MOMENTS 75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,96Kr, 78,79,80,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100Sr; analyzed rms charge radii differential changes; deduced odd-even staggering related features.
doi: 10.1209/epl/i1996-00296-0
1996VE04 J.Phys.(London) G22, 1517 (1996) L.Vermeeren, P.Lievens, R.E.Silverans, U.Georg, M.Keim, A.Klein, R.Neugart, M.Neuroth, F.Buchinger, and the ISOLDE Collaboration The Mean Square Nuclear Charge Radius of 39Ca RADIOACTIVITY 39Ca(β+) [from Ti(p, X), E=1 GeV]; measured hfs; deduced magnetic dipole hyperfine interaction constants, isotope shift relative to 40Ca, mean square charge radius. Data on other Ca isotopes discussed.
doi: 10.1088/0954-3899/22/10/014
1995AN20 Z.Phys. A352, 397 (1995) R.Anne, D.Bazin, R.Bimbot, M.J.G.Borge, J.M.Corre, S.Dogny, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, P.Jensen, B.Jonson, M.Lewitowicz, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen-Rolander Projectile Coulomb Excitation with Fast Radioactive Beams NUCLEAR REACTIONS Pb(8He, 8He'), (11Be, 11Be'), (12Be, 12Be'), (14Be, 14Be'), E=30-46 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 11Be level deduced γ-transition associated σ.
doi: 10.1007/BF01299757
1995KE04 Nucl.Phys. A586, 219 (1995) M.Keim, E.Arnold, W.Borchers, U.Georg, A.Klein, R.Neugart, L.Vermeeren, R.E.Silverans, P.Lievens Laser-Spectroscopy Measurements of 72-96Kr Spins, Moments and Charge Radii NUCLEAR MOMENTS 78,80,82,83,84,86Kr; measured isotope shifts, hfs; deduced hyperfine constants, J, μ, electric quadrupole moments, mean square charge radii. Collinear fast beam laser spectroscopy, collisional ionization detection. RADIOACTIVITY 72,74,75,77,79Kr(EC), (β+); 81,76Kr(EC); 80m,83m,85mKr(IT); 85,87,88,89,90,91,92,93,94,95,96Kr(β-); measured isotope shifts, hfs; deduced hyperfine constants, J, μ, electric quadrupole moments, mean square charge radii. Collinear fast beam laser spectroscopy, collisional ionization detection.
doi: 10.1016/0375-9474(94)00786-M
1994AN12 Nucl.Phys. A575, 125 (1994) R.Anne, R.Bimbot, S.Dogny, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, F.Humbert, B.Jonson, M.Keim, M.Lewitowicz, P.Moller, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, K.Riisager, M.-G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen Rolander Exclusive and Restricted-Inclusive Reactions Involving the 11Be One-Neutron Halo NUCLEAR REACTIONS 9Be, Ti, 197Au(11Be, X), E=41 MeV/nucleon; measured inclusive, exclusive σ(θn) up to 97°; double-differential σ(θ, En) near 0°, integral σ(10Be) following projectile breakup. Analysis in terms of Coulomb, Serber and diffractive mechanisms.
doi: 10.1016/0375-9474(94)90142-2
1994AR19 Z.Phys. A349, 337 (1994) E.Arnold, J.Bonn, A.Klein, P.Lievens, R.Neugart, M.Neuroth, E.W.Otten, H.Reich, W.Widdra The Quadrupole Moment of the Neutron-Halo Nucleus 11Li RADIOACTIVITY 9,11Li(β-); measured β-NMR, polarized source; deduced quadrupole moment ratio. Model comparison. In-beam laser induced nuclear polarization.
doi: 10.1007/BF01288986
1994KE06 Z.Phys. A348, 61 (1994) H.Keller, R.Anne, D.Bazin, R.Bimbot, M.J.G.Borge, J.M.Corre, S.Dogny, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, F.Humbert, P.Jensen, B.Jonson, M.Lewitowicz, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen Rolander Search for Forbidden β-Decay of the Drip Line Nucleus 12Be RADIOACTIVITY 12Be(β-) [from 9Be(18O, X), E=63 MeV/nucleon]; measured βγ-coin, T1/2; deduced ft. 12B levels deduced β-branching ratio.
doi: 10.1007/BF01291655
1994PA37 Nucl.Phys. A580, 173 (1994) G.Passler, J.Rikovska, E.Arnold, H.-J.Kluge, L.Monz, R.Neugart, H.Ravn, K.Wendt, and the ISOLDE Collaboration Quadrupole Moments and Nuclear Shapes of Neutron-Deficient Gold Isotopes RADIOACTIVITY 193,191Au(EC); 192,194Au(EC), (β+); measured istope shifts, hfs; deduced quadrupole moment, deformation parameter β2, hyperfine constants. Particle-triaxial-rotor model applied to 183-197Au.
doi: 10.1016/0375-9474(94)90769-2
1993AN05 Phys.Lett. 304B, 55 (1993) R.Anne, S.E.Arnell, R.Bimbot, S.Dogny, H.Emling, H.Esbensen, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, F.Humbert, B.Jonson, M.Keim, M.Lewitowicz, P.Moller, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, K.Riisager, M.-G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen Rolander, D.Wolski Dissociation Reactions of the 11Be One-Neutron Halo. The Interplay between Structure and Reaction Mechanism NUCLEAR REACTIONS 197Au, Ti, 9Be(11Be, X), E=41 MeV/nucleon; measured exclusive, inclusive σ(θ); deduced structure, reaction mechanism interplay.
doi: 10.1016/0370-2693(93)91399-8
1993DU08 Nucl.Instrum.Methods Phys.Res. A325, 465 (1993) H.T.Duong, C.Ekstrom, M.Gustafsson, T.T.Inamura, P.Juncar, P.Lievens, I.Lindgren, S.Matsuki, T.Murayama, R.Neugart, T.Nilsson, T.Nomura, M.Pellarin, S.Penselin, J.Persson, J.Pinard, I.Ragnarsson, O.Redi, H.H.Stroke, J.L.Vialle, and the ISOLDE Collaboration Atomic Beam Magnetic Resonance Apparatus for Systematic Measurement of Hyperfine Structure Anomalies (Bohr-Weisskopf Effect) NUCLEAR MOMENTS 39K, 87,85Rb; measured hfs; deduced g factor. Atomic beam magnetic resonance technique, systematic hyperfine anomalies study.
doi: 10.1016/0168-9002(93)90392-U
1993NE08 Hyperfine Interactions 78, 47 (1993) Laser Spectroscopy and the Properties of Light Nuclei Near the Neutron Drip Line RADIOACTIVITY 9,11Li(β-); measured β-NMR asymmetry; deduced 11Li quadrupole moments.
doi: 10.1007/BF00568116
1993SI20 Hyperfine Interactions 78, 247 (1993) R.E.Silverans, L.Vermeeren, A.Klein, R.Neugart, C.Schulz, P.Lievens The Electronic Field Shift Factor of the 4s2S1/2-4p2P(J) Transitions in Ca II NUCLEAR MOMENTS 40,42,43,46,48Ca; measured isotope shifts relative to 44Ca. Fast ion beam collinear laser spectroscopy. RADIOACTIVITY 45Ca(β-); measured isotope shifts relative to 44Ca. Fast ion beam collinear laser spectroscopy.
doi: 10.1007/BF00568146
1992AR07 Phys.Lett. 281B, 16 (1992) E.Arnold, J.Bonn, A.Klein, R.Neugart, M.Neuroth, E.W.Otten, P.Lievens, H.Reich, W.Widdra, and the ISOLDE Collaboration Quadrupole Moment of 11Li RADIOACTIVITY 9,11Li; measured β-asymmetry; deduced quadrupole coupling constants in LiNbO3. 9,11Li deduced quadrupole moments ratio. β-NMR spectroscopy, neutral atom fast beam optical pumping.
doi: 10.1016/0370-2693(92)90266-7
1992DU09 Hyperfine Interactions 74, 59 (1992) H.T.Duong, J.Pinard, C.Ekstrom, M.Gustafsson, I.Lindgren, T.Nilsson, J.Persson, T.T.Inamura, P.Juncar, S.Matsuki, T.Murayama, R.Neugart, J.L.Vilalle, M.Pellarin, S.Penselin, I.Ragnarsson, O.Redi, H.Stroke Systematic Measurements of the Bohr-Weisskopf Effect at ISOLDE NUCLEAR STRUCTURE 119,121,123Cs; calculated μ. Particle rotor model. Bohr-Weisskopf effect studies, high precision set up for g-factor measurement, atomic beams dicussed.
doi: 10.1007/BF02398617
1992LI11 Phys.Rev. C46, 797 (1992) P.Lievens, L.Vermeeren, R.E.Silverans, E.Arnold, R.Neugart, K.Wendt, F.Buchinger Spin, Moments, and Mean Square Nuclear Charge Radius of 77Sr NUCLEAR MOMENTS 77Sr; measured hfs, isotope shift; deduced ground state J, μ, electric quadrupole moment, mean square charge radius, deformation. Nilsson configuration. Fast ion beam collinear laser spectroscopy.
doi: 10.1103/PhysRevC.46.797
1992LI29 Nucl.Instrum.Methods Phys.Res. B70, 532 (1992) P.Lievens, E.Arnold, W.Borchers, F.Buchinger, U.Georg, A.Klein, W.Neu, R.Neugart, M.Neuroth, C.Schulz, R.E.Silverans, L.Vermeeren, and the ISOLDE Collaboration Very High Sensitivity in Collinear Laser Spectroscopy: Resonance detection by particle counting techniques RADIOACTIVITY 77Sr(β+); measured hfs. Resonance detection by particle counting techniques, high sensitivity in collinear laser spectroscopy, other beams discussed, on-line separator.
doi: 10.1016/0168-583X(92)95977-Y
1992MA20 Phys.Rev. A45, 4675 (1992) A.-M.Martensson-Pendrill, A.Ynnerman, H.Warston, L.Vermeeren, R.E.Silverans, A.Klein, R.Neugart, C.Schulz, P.Lievens, and the ISOLDE Collaboration Isotope Shifts and Nuclear-Charge Radii in Singly Ionized 40-48Ca NUCLEAR MOMENTS 40,42,43,44,46,48Ca; measured isotope shifts relative to 44Ca; deduced rms charge radii difference. Fast-ion-beam collinear laser spectroscopy. Many-body perturbation theory. RADIOACTIVITY 45,47Ca; measured isotope shifts relative to 44Ca; deduced rms charge radii difference. Fast-ion-beam collinear laser spectroscopy. Many-body perturbation theory.
doi: 10.1103/PhysRevA.45.4675
1992NE09 Hyperfine Interactions 75, 339 (1992) Laser Spectroscopy - Recent Results and Prospects for Lighter Nuclei COMPILATION 161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180Lu; compiled, reviewed μ, quadrupole moment, rms charge radii, J. 77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100Sr; 72,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96Kr; 40,41,42,43,44,45,48,50Ca; compiled, reviewed rms charge radii changes. 9,11Li; compiled, reviewed NMR quadrupole splitting. New techniques based on collinear laser spectroscopy.
1992RI01 Nucl.Phys. A540, 365 (1992) K.Riisager, R.Anne, S.E.Arnell, R.Bimbot, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, L.Johannsen, B.Jonson, A.Latimier, M.Lewitowicz, S.Mattsson, A.C.Mueller, R.Neugart, G.Nyman, F.Pougheon, A.Richard, A.Richter, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, K.Wilhelmsen Two-Neutron Removal Reactions for Very Neutron-Rich Nuclei NUCLEAR REACTIONS 9Be, Ni, 197Au(11Li, 9Li), (14Be, 12Be), (8He, 6He), E=30 MeV/nucleon; measured σ(θ); deduced correlation with two-neutron separation energies, nn-distribution.
doi: 10.1016/0375-9474(92)90210-B
1992VE02 Phys.Rev.Lett. 68, 1679 (1992) L.Vermeeren, R.E.Silverans, P.Lievens, A.Klein, R.Neugart, Ch.Schultz, F.Buchinger Ultrasensitive Radioactive Detection of Collinear-Laser Optical Pumping: Measurement of the Nuclear Charge Radius of 50Ca NUCLEAR MOMENTS 40,42,43,45,46,48Ca; measured isotope shift. 40,42,43,45,46,48,50Ca deduced rms charge radii. Other data included. Ultrasensitive detection scheme, on-line collinear-laser spectroscopy. RADIOACTIVITY 50Ca; measured isotope shift. 40,42,43,45,46,48,50Ca deduced rms charge radii. Other data included. Ultrasensitive detection scheme, on-line collinear-laser spectroscopy.
doi: 10.1103/PhysRevLett.68.1679
1991LI05 Phys.Lett. 256B, 141 (1991) P.Lievens, R.E.Silverans, L.Vermeeren, W.Borchers, W.Neu, R.Neugart, K.Wendt, F.Buchinger, E.Arnold, and the ISOLDE Collaboration Nuclear Ground State Properties of 99Sr by Collinear Laser Spectroscopy with Non-Optical Detection RADIOACTIVITY 99Sr; measured hfs, isotope shift; deduced hyperfine parameters, μ, spectroscopic quadrupole moment. Model calculations. NUCLEAR STRUCTURE 99Sr; calculated levels, μ, spectroscopic quadrupole moment. Particle-rotor, Nilsson models.
doi: 10.1016/0370-2693(91)90664-C
1991SC33 J.Phys.(London) B24, 4831 (1991) Ch.Schulz, E.Arnold, W.Borchers, W.Neu, R.Neugart, M.Neuroth, E.W.Otten, M.Scherf, K.Wendt, P.Lievens, Yu.A.Kudryavtsev, V.S.Letokhov, V.I.Mishin, V.V.Petrunin, and the ISOLDE Collaboration Resonance Ionization Spectroscopy on a Fast Atomic Ytterbium Beam RADIOACTIVITY 157,159,175Yb; measured hfs, isotope shifts. Fast atomic Yb beam, resonance ionization spectroscopy.
doi: 10.1088/0953-4075/24/22/020
1991SI14 Z.Phys. D18, 351 (1991) R.E.Silverans, L.Vermeeren, R.Neugart, P.Lievens, and the ISOLDE Collaboration Hyperfine Structure Constants of Ca II States 4s2S1/2 and 4p2P1/2, 4p2P3/2 and the Nuclear Quadrupole Moment of 43Ca NUCLEAR MOMENTS 43Ca; measured hfs; deduced magnetic dipole hfs constants. 43Ca deduced quadrupole moment.
doi: 10.1007/BF01426597
1990AN28 Phys.Lett. 250B, 19 (1990) R.Anne, S.E.Arnell, R.Bimbot, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, L.Johannsen, B.Jonson, M.Lewitowicz, S.Mattsson, A.C.Mueller, R.Neugart, G.Nyman, F.Pougheon, A.Richter, K.Riisager, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, K.Wilhelmsen Observation of Forward Neutrons from the Break-Up of the 11Li Neutron Halo NUCLEAR REACTIONS 9Be, Ni, 197Au(11Li, 9Li), E=29 MeV/nucleon; measured σ(θ) following projectile breakup; deduced neutron halo radius.
doi: 10.1016/0370-2693(90)91147-4
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