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Search: Author = R.E.Silverans

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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


1996ST23      Physica C259, 245 (1996)

A.Steegmans, R.Provoost, V.V.Moshchalkov, H.Frank, G.Guntherodt, R.E.Silverans

NMR Decoration Study of the Mixed State in High-T(c) Cuprates

NUCLEAR MOMENTS 89Y, 209Bi; measured NMR, systematic decoration study of field homogeneity. High-T(c) cuprates mixed state.

doi: 10.1016/0921-4534(96)00042-1
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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1994VE09      Phys.Rev.Lett. 73, 1935 (1994)

L.Vermeeren, N.Bijnens, M.Huyse, Y.A.Kudryavtsev, P.Van Duppen, J.Wauters, Z.N.Qamhieh, P.Thoen, E.Vandeweert, R.E.Silverans

An On-Line Laser Ion Source Based on Resonance Photoionization in a Gas Cell

RADIOACTIVITY 55Ni, 54Co(EC) [from 54Fe(3He, X), E=27 MeV]; measured decay products, Eβ, Iβ; deduced T1/2. Comparison with available data.

doi: 10.1103/physrevlett.73.1935
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1993SI21      Hyperfine Interactions 79, 627 (1993)

R.E.Silverans, J.Watte, K.Wuyts

Structural and Electronic Properties of Mixed Au/Te/n-GaAs Structures

NUCLEAR REACTIONS 129I(γ, γ), E not given; measured Mossbauer spectra; deduced mixed Au/Te/n-GaAs structures' electronic, structural properties. Other types of measurements done. Radioactive 129mTe source used.

doi: 10.1007/BF00567586
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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


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.


1986SI03      Phys.Rev. A33, 2117 (1986)

R.E.Silverans, G.Borghs, P.De Bisschop, M.Van Hove

Hyperfine Structure of the 5d 2D(J) States in the Alkaline-Earth Ba Ion by Fast-Ion-Beam Laser-rf Spectroscopy

NUCLEAR MOMENTS 135,137Ba; measured hfs; deduced constants. Collinear fast-beam laser-rf double resonance spectroscopy.

doi: 10.1103/PhysRevA.33.2117
Citations: PlumX Metrics


1985SI24      Hyperfine Interactions 24, 181 (1985)

R.E.Silverans, G.Borghs, P.De Bisschop, M.Van Hove

Fast Ion Beam Collinear Laser Spectroscopy: Some aspects of recent applications, sensitivity and resolution

NUCLEAR MOMENTS 137,136,135,134,132,130Ba; measured isotope shifts. 137Ba, 87Br; measured hfs. 87Sr deduced g. Fast ion beam collinear laser spectroscopy.

doi: 10.1007/BF02354811
Citations: PlumX Metrics


1985VA04      Z.Phys. A321, 215 (1985)

M.Van Hove, G.Borghs, P.De Bisschop, R.E.Silverans

Hyperfine Structure of 5d2D3/2 135,137Ba Ions by Collinear Fast Beam Laser-rf Double Resonance Spectroscopy

NUCLEAR MOMENTS 135,137Ba; measured hfs; deduced coupling constants. Collinear laser-rf double resonance spectroscopy.


1983BO35      Hyperfine Interactions 15/16, 177 (1983)

G.Borghs, P.De Bisschop, M.Van Hove, R.E.Silverans

Hyperfine Interactions in the Alkaline-Earth Sr Ions by Collinear Fast Beam Laser Spectroscopy

NUCLEAR MOMENTS 84,86,87,88Sr; measured hfs, isotope shifts; deduced hyperfine structure constants. 87,86,84Sr deduced rms radii relative to 88Sr. Collinear fast beam laser spectroscopy.

doi: 10.1007/BF02159735
Citations: PlumX Metrics


1981BO07      Z.Phys. A299, 11 (1981)

G.Borghs, P.De Bisschop, R.E.Silverans, M.Van Hove, J.M.Van den Cruyce

Hyperfine Structures and Isotope Shifts of the 5d4D7/2 → 6p4P05/2 Transition in Xenon Ions

NUCLEAR MOMENTS 129,131Xe; measured hfs, optical isotope shift. 129,131Xe deduced hfs constants. 124,126,128,129,130,131,132,134Xe deduced changes in rms charge radii relative to 136Xe. Collinear fast beam-laser spectroscopy.

doi: 10.1007/BF01415736
Citations: PlumX Metrics


1981SI11      Hyperfine Interactions 9, 193 (1981)

R.E.Silverans, G.Borghs, J.-M.Van den Cruyce

Fast Ion Beam Laser Spectroscopy on Radioactive 140Ba

NUCLEAR MOMENTS 140,136,138Ba; measured optical isotope shift; deduced rms charge radius neutron shell closure dependence. Fast ion beam laser spectroscopy.

doi: 10.1007/BF01020918
Citations: PlumX Metrics


1980SI14      Z.Phys. A295, 311 (1980)

R.E.Silverans, G.Borghs, G.Dumont, J.M.Van den Cruyce

Collinear Fast Beam-Laser Spectroscopy on 5d2D3/2, 5/2 Barium Ions

NUCLEAR MOMENTS 138,137,136,135,134,132,130Ba; measured optical isotope shift, hfs. 138,137,136,135,134,132,130Ba deduced differences of rms charge radii. 135,137Ba deduced hfs constants.

doi: 10.1007/BF01412941
Citations: PlumX Metrics


1976CO32      Hyperfine Interactions 2, 308 (1976)

R.Coussement, R.Geerts, H.Pattyn, E.Schoeters, R.E.Silverans, L.Vanneste

The Magnetic Moment of 119mTe

RADIOACTIVITY 119mTe; measured not given. 119Sb levels deduced J, π, λ.

NUCLEAR MOMENTS 119mTe; measured μ.

doi: 10.1007/BF01021153
Citations: PlumX Metrics


1976SC17      Phys.Rev.Lett. 37, 302 (1976)

E.Schoeters, R.Coussement, R.Geerts, J.Odeurs, H.Pattyn, R.E.Silverans, L.Vanneste

Hyperfine Interaction of Xenon in Iron

NUCLEAR MOMENTS 129mXe; measured hyperfine interaction in Fe; deduced g. NMR technique.

doi: 10.1103/PhysRevLett.37.302
Citations: PlumX Metrics


1975HU15      Phys.Rev. C12, 2013 (1975)

H.Hubel, K.Freitag, E.Schoeters, R.E.Silverans, L.Vanneste, R.A.Naumann

Magnetic Moment of the Iπ = 25/2- Isomer in 179Hf and Anomalous Orbital Proton g Factor

RADIOACTIVITY 177Lu, 179mHf; measured γ(θ) polarized nuclei, γ(θ, H); deduced g, δ, magnetic hyperfine interaction μH.

doi: 10.1103/PhysRevC.12.2013
Citations: PlumX Metrics


1975LH01      Phys.Rev. C12, 609 (1975)

G.Lhersonneau, J.De Raedt, H.Van de Voorde, H.Ooms, R.Haroutunian, E.Schoeters, R.E.Silverans, L.Vanneste

Angular Correlation and Nuclear Orientation Study of 131I Populated in The Decay of 131Te-m

RADIOACTIVITY 131mTe [from 130Te(n, γ)]; measured γγ(θ, t), nuclear orientation; deduced μ. 131I levels deduced J, π, δ.

doi: 10.1103/PhysRevC.12.609
Citations: PlumX Metrics


1975SC09      Nucl.Phys. A243, 309 (1975)

E.Schoeters, R.Geerts, R.E.Silverans, L.Vanneste

Nuclear Structure Study of the Isomers of 102Rh by Nuclear Orientation

RADIOACTIVITY 102,102mRh [from Rh(p, d), Ru(d, xn)]; measured γ(θ, T) polarized nuclei; deduced μ, H, J. He refrigerator, Ge(Li) detectors.

doi: 10.1016/0375-9474(75)90250-X
Citations: PlumX Metrics


1975SC16      Z.Phys. A272, 203 (1975)

E.Schoeters, R.E.Silverans, L.Vanneste, K.Freitag, H.Hubel

Magnetic Moment of the Iπ = 23/2- Isomer in 177Lu and Additivity in the Deformed Region

RADIOACTIVITY 177,177mLu; measured γ(θ, H). 177mLu deduced μ. Low temperature nuclear orientation.

doi: 10.1007/BF01408148
Citations: PlumX Metrics


1975SC38      Phys.Rev. C12, 1680 (1975)

E.Schoeters, R.Geerts, R.E.Silverans, L.Vanneste

Nuclear Orientation of 106Ag-m

RADIOACTIVITY 106mAg; measured Iγ(θ) of polarized nuclei; deduced μH. 106Pd levels deduced J, π, δ. Ge(Li) detectors.

doi: 10.1103/PhysRevC.12.1680
Citations: PlumX Metrics


1974PA02      J.Phys.(Paris), Colloq. C-1, 19 (1974)

H.Pattyn, G.Dumont, R.Coussement, R.E.Silverans, E.Schoeters, L.Vanneste

The Hyperfine Field of Xenon Nuclei at Lattice Sites in Iron

RADIOACTIVITY 131m,133mXe; measured γ(θ, H, t). 131m,133mXe deduced hyperfine field in Fe.


1974SI07      Z.Phys. 267, 145 (1974)

R.E.Silverans, R.Coussement, H.Pattyn, E.Schoeters, L.Vanneste

Nuclear Orientation Measurements of the Magnetic Dipole Moments of the 11/2- Isomeric States in 129Xe, 131Xe and 133Xe

RADIOACTIVITY 129m,131m,133mXe; measured γ(θ, T). 129m,131m,133mXe levels deduced μ.

doi: 10.1007/BF01668641
Citations: PlumX Metrics


1973HU06      Nucl.Phys. A210, 317 (1973)

H.Hubel, C.Gunther, E.Schoeters, R.E.Silverans, L.Vanneste

Nuclear Orientation Measurements on 183Re and 184Re

RADIOACTIVITY 183,184,184mRe; measured γ(θ) from polarized nuclei. 183,184Re deduced μ; 183,184W transitions deduced γ-mixing.

doi: 10.1016/0375-9474(73)90305-9
Citations: PlumX Metrics


1973PA09      Phys.Lett. 45A, 131 (1973)

H.Pattyn, R.Coussement, G.Dumont, E.Schoeters, R.E.Silverans, L.Vanneste

The Hyperfine Field of Xenon Nuclei at Lattice Sites in Iron

RADIOACTIVITY 131mXe, 133mXe; measured γ(θ, t). Deduced hyperfine field of Xe nuclei in Fe.

doi: 10.1016/0375-9601(73)90456-8
Citations: PlumX Metrics


1973SC15      Z.Phys. 260, 337 (1973)

E.Schoeters, R.E.Silverans, L.Vanneste

Determination of the E2/M1 Mixing Ratio of the 122-keV Transition in the 57Co-Decay by Nuclear Orientation

RADIOACTIVITY 57Co; measured Iγ(θ). 57Fe deduced levels, B(M1), B(M2), γ-mixing.

doi: 10.1007/BF01396025
Citations: PlumX Metrics


1973SI06      Nucl.Phys. A202, 467 (1973)

R.E.Silverans, R.Coussement, E.Schoeters, L.Vanneste

Magnetic Moments of 127gTe and 129gTe

RADIOACTIVITY 127Te[from 126Te(n, γ)], 129Te[from 128Te(n, γ)]; measured Iγ(θ) of oriented states. 127gTe, 129gTe deduced μ(3/2+). Enriched target. Ge(Li) detectors.

doi: 10.1016/0375-9474(73)90636-2
Citations: PlumX Metrics


1973SI14      Nucl.Phys. A204, 625 (1973)

R.E.Silverans, E.Schoeters, L.Vanneste

Nuclear Orientation Study of the Excited States of 129I Populated in the Decay of 129gTe and 129mTe

RADIOACTIVITY 129gTe, 129mTe [from 128Te(n, γ)]; measured Iγ(θ) of oriented states. 129I deduced J, π, γ-mixing(E2/M1). Enriched target. Ge(Li) detectors.

doi: 10.1016/0375-9474(73)90399-0
Citations: PlumX Metrics


1973SI26      Nucl.Phys. A210, 307 (1973)

R.E.Silverans, R.Coussement, E.Schoeters, L.Vanneste

Study of the Magnetic Dipole Moments of the Odd-Mass Tellurium Isomers By Nuclear Orientation

RADIOACTIVITY 123mTe, 127mTe, 129mTe [from Te(n, γ)]; implantation in iron; measured Iγ(θ, t); deduced μ. Ge(Li) detectors.

doi: 10.1016/0375-9474(73)90304-7
Citations: PlumX Metrics


1972SI21      Nucl.Phys. A193, 367 (1972)

R.E.Silverans, R.Coussement, G.Dumont, H.Pattyn, L.Vanneste

Magnetic Moment of the 11/2- Isomer of 125Te

RADIOACTIVITY 125mTe; oriented nuclei; measured Iγ(θ) in Fe. 125mTe deduced μ.

doi: 10.1016/0375-9474(72)90325-9
Citations: PlumX Metrics


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