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NSR database version of May 24, 2024.

Search: Author = P.Lievens

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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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
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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
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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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
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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
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1994WA12      Phys.Rev. C49, 3359 (1994)

J.Wauters, P.Dendooven, M.Huyse, G.Reusen, P.Van Duppen, P.Lievens, and the ISOLDE Collaboration

Reply to ' Comment on ' α-Decay Properties of Neutron-Deficient Polonium and Radon Nuclei ' '

doi: 10.1103/PhysRevC.49.3359
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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
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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
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1993WA04      Phys.Rev. C47, 1447 (1993)

J.Wauters, P.Dendooven, M.Huyse, G.Reusen, P.Van Duppen, P.Lievens, and the ISOLDE Collaboration

α-Decay Properties of Neutron-Deficient Polonium and Radon Nuclei

RADIOACTIVITY 192,193m,193,194,195,195m,196,197,197m,198,199,199m,200,201,201m,202,204,206,208,210,212,214,216,218Po, 198,199,199m,200,201,202,203,204,205,206,207,208,209Rn(α); measured Eα, T1/2, α-branching ratios, reduced widths; deduced intruder configuration role. Data on 170-188Pt, 176-188Hg, 182-210Pb isotopes also discussed.

doi: 10.1103/PhysRevC.47.1447
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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
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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
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1992LI24      Hyperfine Interactions 74, 3 (1992)

P.Lievens, and the ISOLDE Collaboration

Towards Higher Sensitivity and Lighter Elements by Collinear Laser Spectroscopy at ISOLDE

NUCLEAR STRUCTURE 40,42,44,46,45,48,50Ca, 79,81,83,85,87,89,91,93,95,99Sr, 72,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96Kr; compiled, reviewed charge rms radii data. Isomers included.

RADIOACTIVITY 9,11Li(β-); measured β NMR asymmetry; deduced quadrupole moment raio.

doi: 10.1007/BF02398611
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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
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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
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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
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1992WA29      Z.Phys. A344, 29 (1992)

J.Wauters, P.Dendooven, M.Huyse, G.Reusen, P.Lievens, P.Van Duppen, and the ISOLDE Collaboration

Fine Structure in the α Decay of 202Rn

RADIOACTIVITY 200,202Rn(α) [from Th(p, X), E=600 MeV]; measured Eα, Iα, α(X-ray)(t), α(e)(t); deduced fine structure in 202Rn decay. 198Po deduced new 0+ level, shape features.

doi: 10.1007/BF01291016
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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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1991WA29      Nucl.Instrum.Methods Phys.Res. B61, 178 (1991)

J.Wauters, P.Decrock, P.Dendooven, M.Huyse, P.Lievens, G.Reusen, P.Van Duppen, and the ISOLDE Collaboration

The Influence of Recoil Losses in Subsequent α Decay on the Determination of α-Branching Ratios

RADIOACTIVITY 202Rn(α); 198Po(α) [from 202Rn-decay]; 194Pb [from 198Po-decay]; measured Eα, Iα; deduced recoil losses role.

doi: 10.1016/0168-583X(91)95458-P
Citations: PlumX Metrics


1990AR25      J.Phys.(London) B23, 3511 (1990)

E.Arnold, W.Borchers, H.T.Duong, P.Juncar, J.Lerme, P.Lievens, W.Neu, R.Neugart, M.Pellarin, J.Pinard, J.L.Vialle, K.Wendt, and the ISOLDE Collaboration

Optical Laser Spectroscopy and Hyperfine Structure Investigation of the 102S, 112S, 82D and 92D Excited Levels in Francium

RADIOACTIVITY 212Fr; measured hfs; deduced hyperfine constants. Optical laser spectroscopy.

doi: 10.1088/0953-4075/23/20/014
Citations: PlumX Metrics


1990BU12      Phys.Rev. C41, 2883 (1990); Erratum Phys.Rev. C42, 2754 (1990)

F.Buchinger, E.B.Ramsay, E.Arnold, W.Neu, R.Neugart, K.Wendt, R.E.Silverans, P.Lievens, L.Vermeeren, D.Berdichevsky, R.Fleming, D.W.L.Sprung, G.Ulm

Systematics of Nuclear Ground State Properties in 78-100Sr by Laser Spectroscopy

NUCLEAR MOMENTS 84,86,88Sr; measured optical isotope shifts. 87Sr; measured optical isotope shifts, hfs; deduced central charge, rms radii. Other isotopes studied.

RADIOACTIVITY 78,80,82,90,92,94,96,98,100Sr; measured optical isotope shifts. 79,81,83,85,87,89,91,93,95,97Sr; measured hfs, optical isotope shifts; deduced ground state spins, μ, quadrupole moments, rms charge radii. Other isotopes studied.

doi: 10.1103/PhysRevC.41.2883
Citations: PlumX Metrics


1990LI28      Hyperfine Interactions 59, 161 (1990)

P.Lievens, R.E.Silverans, L.Vermeeren, E.Arnold, W.Borchers, W.Neu, R.Neugart, K.Wendt, F.Buchinger, E.B.Ramsay, G.Ulm

Nuclear Moments of Strongly Deformed Strontium Isotopes

RADIOACTIVITY 99,79,81,83,83m,85,85m,87,87m,89,91,91,93,95,97Sr; measured hfs; deduced hyperfine constant. 99,79,81,83,85,87,89,91,93,95,97Sr levels deduced μ, quadrupole moment. Fast ion-beam collinear laser spectroscopy.

doi: 10.1007/BF02401214
Citations: PlumX Metrics


1988SI06      Phys.Rev.Lett. 60, 2607 (1988)

R.E.Silverans, P.Lievens, L.Vermeeren, E.Arnold, W.Neu, R.Neugart, K.Wendt, F.Buchinger, E.B.Ramsay, G.Ulm

Nuclear Charge Radii of 78-100Sr by Nonoptical Detection in Fast-Beam Laser Spectroscopy

NUCLEAR MOMENTS 84,86,87,88Sr; measured optical isotope shifts. 84,86,87Sr deduced rms charge radii relative to 88Sr.

RADIOACTIVITY 78,80,82,90,92,94,96,98,100Sr; measured optical isotope shifts. 80,82,90Sr deduced rms charge radii relative to 88Sr.

doi: 10.1103/PhysRevLett.60.2607
Citations: PlumX Metrics


1987BU11      Z.Phys. A327, 361 (1987)

F.Buchinger, E.B.Ramsay, R.E.Silverans, P.Lievens, E.Arnold, W.Neu, R.Neugart, K.Wendt, G.Ulm, and the ISOLDE Collaboration

Nuclear Ground State Spins of Short-Lived Strontium Isotopes

NUCLEAR MOMENTS 87Sr; measured hfs. 87Sr deduced ground state J, magnetic dipole factor ratio. Collinear fast beam laser spectroscopy.

RADIOACTIVITY 79,81,83,85,89,91,93,95,97Sr; measured hfs. 79,81,83,85,89,91,93,95,97Sr deduced state J, magnetic dipole factor ratios. Collinear fast beam laser spectroscopy.


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