NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = M.Keim Found 18 matches. 2020AT01 Phys.Rev. C 101, 044303 (2020) M.C.Atkinson, M.H.Mahzoon, M.A.Keim, B.A.Bordelon, C.D.Pruitt, R.J.Charity, W.H.Dickhoff Dispersive optical model analysis of 208Pb generating a neutron-skin prediction beyond the mean field NUCLEAR REACTIONS 208Pb(p, X), (n, X), (p, p), (n, n), E=10-200 MeV; 208Pb(e, e), E=502 MeV; calculated reaction σ(E), differential σ(E, θ), analyzing powers Ay(θ) using dispersive optical model (DOM). Comparison with experimental data. NUCLEAR STRUCTURE 208Pb; calculated neutron and proton single-particle energy levels, charge density, orbital occupation and depletion numbers, spectroscopic factors, binding energies, momentum distributions of protons and neutrons. 40,48Ca, 208Pb; calculated proton and neutron point distributions, and neutron skins. Hartree-Fock and dispersive optical model (DOM) calculations. Comparison with experimental data. Relevance to nuclear equation of state.
doi: 10.1103/PhysRevC.101.044303
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
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
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
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
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
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
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
1991KE07 Z.Phys. D18, 117 (1991) M.Keim, G.Haub, E.W.Otten, M.Scherf, K.Wendt Hyperfine Structure Studies in the 6s6p 3P2-Level of Barium NUCLEAR MOMENTS 137Ba; measured hfs; deduced hyperfine parameters. Collinear fast beam laser spectroscopy.
doi: 10.1007/BF01418177
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