NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = P.Lievens Found 47 matches. 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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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