NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = F.W.De Boer Found 81 matches. 2011DE24 Int.J.Mod.Phys. E20, 1787 (2011) A reevaluation of evidence for light neutral bosons in nuclear emulsions
doi: 10.1142/S021830131101960X
2008VI02 Acta Phys.Pol. B39, 483 (2008) A.Vitez, A.Krasznahorkay, J.Gulyas, M.Csatlos, L.Csige, Z.Gacsi, A.Krasznahorkay, Jr., B.M.Nyako, F.W.N.de Boer, T.J.Ketel, J.van Klinken Anomalous Internal Pair Creation in 8Be as a Signature of the Decay of a New Particle RADIOACTIVITY 8Be [from 7Li(p, γ), E=441 keV]; measured angular distribution of the e+e- pairs from the M1 decay of the 17.64 MeV state. Compared results to model calculations and previous measurement.
2001DE11 J.Phys.(London) G27, L29 (2001) F.W.N.de Boer, K.Bethge, H.Bokemeyer, R.van Dantzig, J.van Klinken, V.Mironov, K.A.Muller, K.E.Stiebing Further Search for a Neutral Boson with a Mass Around 9 MeV/c2 NUCLEAR REACTIONS 7Li(p, e+e-), E=1.1 MeV; 11B(d, ne+e-), E=1.6 MeV; measured electron-positron sum energies, angular correlations; deduced possible neutral boson.
doi: 10.1088/0954-3899/27/4/102
1997DE46 J.Phys.(London) G23, L85 (1997) F.W.N.de Boer, R.van Dantzig, J.van Klinken, K.Bethge, H.Bokemeyer, A.Buda, K.A.Muller, K.E.Stiebing Excess in Nuclear e+e- Pairs Near 9 MeV/c2 Invariant Mass NUCLEAR REACTIONS 7Li, 11B(p, e+e-), E not given; 12C(p, p'e+e), E=20 MeV; 19F(p, γ), E=5.2 MeV; 11B(p, e+e-), E=98 MeV; analyzed pair production data; deduced evidence for short-lived neutral boson. Other data input.
doi: 10.1088/0954-3899/23/11/001
1997DI05 Z.Phys. A358, 11 (1997) E.Ditzel, J.M.Hoogduin, H.Backe, J.Baumann, F.W.N.de Boer, H.Bokemeyer, M.Debowski, R.Ganz, J.Gerl, T.Happ, M.Kaspar, J.van Klinken, T.Kroll, R.Kulessa, I.Peter, P.Salabura, H.Schaffner, S.Schremmer, K.Vetter, H.J.Wollersheim, H.Xie Absence of E0 Transitions Around 1.8 MeV After Collisions of 238U with 181Ta NUCLEAR REACTIONS 181Ta(238U, X), E=6.0 MeV/nucleon; measured e- spectra, e-(recoil)-coin. 181Ta, 238U deduced σ upper limits for E0 decays. Mini-orange spectrometers, PPAC, Doppler-corrected e- spectra.
doi: 10.1007/s002180050270
1996DE51 Phys.Lett. 388B, 235 (1996) F.W.N.de Boer, O.Frohlich, K.E.Stiebing, K.Bethge, H.Bokemeyer, A.Balanda, A.Buda, R.van Dantzig, Th.W.Elze, H.Folger, J.van Klinken, K.A.Muller, K.Stelzer, P.Thee, M.Waldschmidt A Deviation in Internal Pair Conversion NUCLEAR REACTIONS 7Li, 11B(p, e+e-), E not given; measured sum energy spectra, pairs yield, e+e-(θ). 12C, 8Be transition deduced M1 angular correlation deviates from internal pair conversion.
doi: 10.1016/S0370-2693(96)01311-1
1996DI07 Nucl.Instrum.Methods Phys.Res. A376, 428 (1996) E.Ditzel, J.M.Hoogduin, H.Backe, F.W.N.de Boer, H.Bokemeyer, M.Debowski, J.van Klinken, P.Salabura, H.J.Wollersheim, H.Xie Doppler-Corrected Spectroscopy of Conversion Electrons with Mini-Oranges After Heavy-Ion Collisions NUCLEAR REACTIONS 181Ta(238U, 238U'), E=6 MeV/nucleon; measured (projectile)(ce)-, (recoil ejectile)(ce)-coin; deduced precise Doppler corrections for conversion electron emitted with specific solid angle. System of 4 Mini-Orange spectrometers.
doi: 10.1016/0168-9002(96)00260-4
1996HO18 Phys.Lett. 384, 43 (1996) J.M.Hoogduin, E.Ditzel, A.Balanda, F.W.N.de Boer, H.Bokemeyer, J.Gerl, K.Heyde, J.van Klinken, A.Krasznahorkay, P.Salabura, H.J.Wollersheim On the Two First Excited K = 0 Bands in 238U and 240Pu NUCLEAR REACTIONS 238U(α, α'), (α, 2n), E=25 MeV; 181Ta(238U, 238U'), E=6 MeV/nucleon; analyzed I(ce). 238U, 240Pu deduced band structure.
doi: 10.1016/0370-2693(96)00798-8
1990DE02 J.Phys.(London) G16, L1 (1990) F.W.N.de Boer, J.Lehmann, J.Steyaert Search for a Short-Lived Isoscalar Axion with Mass between 4 and 15 MeV c-2 NUCLEAR REACTIONS 7Li(p, γ), E=1.03 MeV; measured Eγ, Iγ. 8Be transition deduced axion branching ratio upper limits.
doi: 10.1088/0954-3899/16/1/001
1989DE22 J.Phys.(London) G15, L177 (1989) F.W.N.de Boer, J.Deutsch, J.Lehmann, R.Prieels, J.Steyaert Addendum to ' Search for Elusive Neutral Particles in Nuclear Decay ' NUCLEAR STRUCTURE 16O; calculated 0+ level decay branching ratio upper limit correction factor. Electron-positron peak angular broadening effect.
doi: 10.1088/0954-3899/15/8/006
1988DE22 J.Phys.(London) G14, L131 (1988) F.W.N.de Boer, J.Deutsch, J.Lehmann, R.Prieels, J.Steyaert Search for Elusive Neutral Particles in Nuclear Decay NUCLEAR REACTIONS 19F(p, α), E=2.4, 3.8 MeV; measured e+e-(θ); deduced exotic particle coupling limits, branching ratio upper limits.
doi: 10.1088/0305-4616/14/6/002
1986DE25 Phys.Lett. 180B, 4 (1986) F.W.N.De Boer, K.Abrahams, A.Balanda, H.Bokemeyer, R.van Dantzig, J.F.W.Jansen, B.Kotlinski, M.J.A.De Voigt, J.van Klinken Search for Short-Lived Axions in a Nuclear Isoscalar Transition NUCLEAR REACTIONS 10B(p, p'), E=7 MeV; measured Eγ, Iγ, pair spectra. 10B transition deduced no axion events. Fourfold mini-orange spectrometer.
doi: 10.1016/0370-2693(86)90123-1
1986DE36 Z.Phys. A325, 457 (1986) F.W.N.de Boer, H.J.Wollersheim, H.Emling, H.Grein, E.Grosse, W.Spreng, G.Eckert, Th.W.Elze, K.Stelzer, Ch.Lauterbach Nucleon Transfer Reactions to Rotational States Induced by 206,208Pb Projectiles NUCLEAR REACTIONS 152Sm, 160Gd, 232Th(206Pb, 206Pb'γ), (208Pb, 208Pb'γ); 152Sm(208Pb, 207Pb), (208Pb, 209Pb), 232Th(206Pb, 207Pb), (206Pb, 208Pb), E=4.3-6.4 MeV/nucleon; measured γ spectra, yields, σ; deduced reaction parameters, neutron binding energies. 160Gd, 152Sm, 232Th levels deduced populating probabilites. Particle-γ coincidence techniques. Semi-classical models.
1985DE34 Nucl.Phys. A442, 637 (1985) G.de Chambrier, W.Beer, F.W.N.de Boer, K.Bos, A.I.Egorov, M.Eckhause, K.L.Giovanetti, P.F.A.Goudsmit, B.Jeckelmann, K.E.Kiryanov, L.N.Kondurova, L.Lapina, H.J.Leisi, V.I.Marushenko, A.F.Mezentsev, A.A.Petrunin, A.G.Sergeev, A.I.Smirnov, G.Strassner, V.M.Suvorov, A.Vacchi, D.Wieser Precision Measurement of the Wavelengths and Natural Line of 3d-2p Pionic X-ray Transitions in Low-Z Atoms ATOMIC PHYSICS, Mesic-Atoms 12C, 16,18O, 24,26Mg, 28,30Si; measured pionic transmission wave lengths, X-rays; deduced 2p state strong interaction shifts, widths.
doi: 10.1016/0375-9474(85)90370-7
1985DE42 Nucl.Phys. A444, 589 (1985) F.W.N.De Boer, B.Aas, P.Baertschi, W.Beer, I.Beltrami, K.Bos, P.F.A.Goudsmit, U.Kiebele, B.Jeckelmann, H.J.Leisi, W.Ruckstuhl, G.Strassner, A.Vacchi, R.Weber Precision Measurement of the 2p-1s Transition Wavelength in Muonic 13C ATOMIC PHYSICS, Mesic-Atoms 13C; measured muonic X-rays, transition wavelength; deduced muon-nucleon interaction limits, 12,13C isotope shift. 13C deduced rms charge radius. Bent crystal spectrometer. NUCLEAR REACTIONS 13C(μ-, X), E at rest; measured X-rays; deduced muon-nucleon interaction limits, 12,13C isotope shift. 13C deduced rms charge radius. Bent crystal spectrometer.
doi: 10.1016/0375-9474(85)90106-X
1984AA02 Helv.Phys.Acta 57, 291 (1984) B.Aas, W.Beer, I.Beltrami, K.Bos, P.F.A.Goudsmit, H.J.Leisi, W.Ruckstuhl, G.Strassner, A.Vacchi, F.W.N.de Boer, U.Kiebele, R.Weber Prazisionsmessung der Wellenlange des 2p-1s Ueberganges im Muonischen 13C ATOMIC PHYSICS, Mesic-Atoms 13C; measured 2P-1S transition wave length.
1984DE52 Phys.Rev.Lett. 53, 423 (1984) F.W.N.de Boer, R.van Dantzig, M.Daum, J.Jansen, P.J.S.Watson, L.Felawka, C.Grab, A.van der Schaaf, T.Kozlowski, J.Martino, A.I.Smirnov Search for Bound States of Neutrons and Negative Pions
doi: 10.1103/PhysRevLett.53.423
1984FI07 Nucl.Phys. A422, 215 (1984) C.A.Fields, K.H.Hicks, R.A.Ristinen, F.W.N.De Boer, L.K.Peker, R.J.Peterson, P.M.Walker Rotational Side-Bands in 164Er NUCLEAR REACTIONS 162Dy(α, 2n), E=24 MeV; measured Eγ, Iγ(θ), γγ-coin. 165Ho(p, 2n), E=23 MeV; measured Eγ, Iγ(θ, t), γγ-coin. 164Er deduced levels, J, ICC, π, K, bandhead configurations, mixing strengths. Enriched targets, Ge(Li) and hyperpure Ge detectors, mini-orange spectrometer. Two-band mixing analysis.
doi: 10.1016/0375-9474(84)90515-3
1984FI15 Nucl.Phys. A429, 259 (1984) C.A.Fields, F.W.N.De Boer, R.A.Ristinen, P.A.Smith, E.Sugarbaker The 33 and 43 MeV (3He, xnγ) Exclusive Reactions on Targets from Zr to Pb NUCLEAR REACTIONS 90Zr, 108,110Pd, 118,120,124Sn, 150Nd, 196Pt, 197Au, 208Pb(3He, xn), E=33, 43 MeV; measured nγ-coin, exclusive σ(E(n)); deduced incident energy, target dependences, entry-state population.
doi: 10.1016/0375-9474(84)90207-0
1984RU12 Nucl.Phys. A430, 685 (1984) W.Ruckstuhl, B.Aas, W.Beer, I.Beltrami, K.Bos, P.F.A.Goudsmit, H.J.Leisi, G.Strassner, A.Vacchi, F.W.N.De Boer, U.Kiebele, R.Weber Precision Measurement of the 2p-1s Transition in Muonic 12C: Search for new muon-nucleon interactions or accurate determination of the rms nuclear charge radius ATOMIC PHYSICS, Mesic-Atoms 12C; measured muonic transition wavelength; deduced muon-nucleon interaction nature. 12C deduced rms charge radius. Crystal spectrometer.
doi: 10.1016/0375-9474(84)90101-5
1983AL05 Phys.Rev. C27, 1032 (1983) W.P.Alford, R.N.Boyd, E.Sugarbaker, F.W.N.de Boer, R.E.Brown, E.R.Flynn Two-Step Contributions in the 206Pb(t(pol), p)208Pb Two-Neutron Transfer Reaction NUCLEAR REACTIONS 206Pb(polarized t, p), E=17 MeV; measured σ(θ), A(θ). DWBA, sequential transfer calculations.
doi: 10.1103/PhysRevC.27.1032
1983FI05 Nucl.Phys. A398, 512 (1983) C.A.Fields, F.W.N.De Boer, J.Sau A Study of the 84Kr(α, 2nγ)86Sr Reaction NUCLEAR REACTIONS 84Kr(α, 2nγ), E=28 MeV; measured Eγ, Iγ(θγ, t), γγ-coin, γγ(t). 86Sr deduced levels, J, π, T1/2. Enriched target, Ge(Li) detectors. Weak-coupling analysis.
doi: 10.1016/0375-9474(83)90299-3
1983FI06 Z.Phys. A311, 127 (1983) The 8+ Levels of 86Zr Revisited NUCLEAR REACTIONS 86Sr(3He, 3n), E=33 MeV; measured Eγ, Iγ, Iγ(θ, t), γγ-coin. 86Zr deduced levels, J, π.
doi: 10.1007/BF01411617
1983FI08 Nucl.Phys. A401, 117 (1983) C.A.Fields, F.W.N.de Boer, B.J.Diana High-Spin States in 92Tc NUCLEAR REACTIONS 92Mo(3He, 2np), E=33 MeV; measured Iγ(θγ, t), Eγ, γγ-coin. 92Tc deduced levels, J, π. Shell model analysis.
doi: 10.1016/0375-9474(83)90339-1
1983JE09 Nucl.Phys. A408, 495 (1983) B.Jeckelmann, W.Beer, I.Beltrami, F.W.N.De Boer, G.De Chambrier, P.F.A.Goudsmit, J.Kern, H.J.Leisi, W.Ruckstuhl, A.Vacchi Spectroscopic Quadrupole Moment of 23Na from Muonic X-Rays NUCLEAR REACTIONS 23Na(μ-, X), E at rest; measured X-ray spectra. 23Na deduced quadrupole moment. ATOMIC PHYSICS, Mesic-atoms 23Na(μ-, X), E at rest; measured X-ray spectra. 23Na deduced quadrupole moment.
doi: 10.1016/0375-9474(83)90242-7
1982DE34 Nucl.Phys. A388, 303 (1982) F.W.N.De Boer, C.A.Fields, L.E.Samuelson, J.Sau The Level Structure of 90Mo NUCLEAR REACTIONS 90Zr(3He, 3nγ), E=33-43 MeV; measured Eγ, Iγ(θγ, t), γγ(t), nγ-coin. 90Mo deduced levels, T1/2, J, π. Enriched target, Ge(Li), hyperpure Ge detectors. Shell-model analysis.
doi: 10.1016/0375-9474(82)90418-3
1982DI09 Z.Phys. A306, 171 (1982) B.J.Diana, F.W.N.de Boer, C.A.Fields Gamma-Ray Spectroscopy of 89Nb NUCLEAR REACTIONS 90Zr(p, 2n), E=18-26 MeV; measured Eγ, Iγ(E), γγ-coin; 89Y(3He, 3n), E=33-43 MeV; measured Eγ, Iγ(E, t), γγ-coin; 90Zr(3He, 3np), E=43 MeV; measured Eγ, Iγ(θ), γγ-coin. 89Nb deduced levels, J, π, T1/2. Enriched Zr targets, Ge(Li), hyperpure Ge detectors. Shell model.
doi: 10.1007/BF01415487
1982FI02 Nucl.Phys. A377, 217 (1982) C.A.Fields, F.W.N.De Boer, R.A.Ristinen, P.A.Smith, E.Sugarbaker A Systematic Investigation of the (α, 2nγ) Reaction on Medium-Heavy Nuclei NUCLEAR REACTIONS 85Rb, 89Y, 90Zr, 104,106,108,110Pd, 139La, 165Ho, 148Nd, 197Au, 112,118,120,124Sn, 208Pb(α, 2n), E=35 MeV; 110Pd, 148Nd(α, 2n), E=28, 32 MeV; 110Pd, 118,120,124Sn, 148Nd, 197Au(α, 3n), E=35 MeV; 108Pd(α, 2n), 148Nd(α, 3n), E=32 MeV; measured nγ-coin, Iγ, σ(θn), σ(En); deduced neutron decay mechanism, spectrum parameters, entry state spins. Ge(Li), hyperpure Ge and NE224 detectors.
doi: 10.1016/0375-9474(82)90330-X
1982FI06 Phys.Rev. C26, 290 (1982) C.A.Fields, K.H.Hicks, R.A.Ristinen, F.W.N.de Boer, L.K.Peker, P.M.Walker Interacting Negative-Parity Bands in 164Er NUCLEAR REACTIONS 162Dy(α, 2n), E=24 MeV; measured Eγ, Iγ(θ, t), γγ-coin. 164Er deduced levels, J, π, K, configurations, band structure. Band mixing analysis.
doi: 10.1103/PhysRevC.26.290
1982FI07 Phys.Lett. 114B, 81 (1982) C.A.Fields, F.W.N.De Boer, R.A.Ristinen, E.Sugarbaker Breakdown of the Thermal Moving-Source Description of Fast Neutron Production in (α, xn) and (3He, xn) Reactions NUCLEAR REACTIONS 124Sn, 150Nd(3He, xn), E=33 MeV; 124Sn, 150Nd(α, xn), E=35 MeV; measured inclusive σ(En, θ=30°); 124Sn(3He, xn), E=43 MeV; measured inclusive σ(En, θ=30°), σ(θ); 150Nd(α, xn), E=35 MeV; measured σ(θ). 154Sm(16O, xn), E=152 MeV; 158Gd(α, xn), E=70 MeV; 164Dy(α, xn), E=120 MeV; calculated σ(θ). Thermal moving source model.
doi: 10.1016/0370-2693(82)90119-8
1982FI15 Nucl.Phys. A389, 218 (1982) C.A.Fields, K.H.Hicks, R.A.Ristinen, F.W.N.De Boer, P.M.Walker, J.Borggreen, L.K.Peker A Study of the Rotational Side-Bands in 162Dy NUCLEAR REACTIONS 160Gd(α, 2n), E=24, 28 MeV; measured E(γ), I(γ)(E, t, θ), γγ-coin, ICC. 162Dy deduced levels, K, J, π. Enriched targets, Ge(Li), hyperpure Ge detectors, mini-orange spectrometer. Two-quasiparticle plus rotor analysis.
doi: 10.1016/0375-9474(82)90517-6
1982HI04 Phys.Rev. C25, 2710 (1982) K.H.Hicks, T.E.Ward, J.Wiggins, C.A.Fields, F.W.N.de Boer Decays of 194,195,196Pb RADIOACTIVITY 194,195,196Pb [from 197Au(6Li, xn), E=95 MeV]; measured Eγ, Iγ, γγ-coin; deduced log ft. 194,195,196mPb deduced T1/2. 194,195,196Tl deduced levels, J, π, Nilsson configurations. Ge(Li) detectors.
doi: 10.1103/PhysRevC.25.2710
1982KO03 Nucl.Phys. A373, 397 (1982) J.Konijn, J.B.R.Berkhout, W.H.A.Hesselink, J.J.Van Ruijven, P.V.Nes, H.Verheul, F.W.N.De Boer, C.A.Fields, E.Sugarbaker, P.M.Walker, R.Bijker Rotational Bands in 152Sm Observed following the (α, 2nγ) Reaction NUCLEAR REACTIONS 150Nd(α, 2nγ), E=21-26 MeV; measured Eγ, Iγ, I(ce), γ(θ), γ(t), γγ(t), linear polarization. 152Sm deduced levels, J, π, ICC, T1/2, γ-branching. Enriched targets, Ge(Li), Ge, Si-Li detectors, mini-orange electron spectrometer. Interacting boson model calculations.
doi: 10.1016/0375-9474(82)90542-5
1982RU06 Phys.Rev.Lett. 49, 859 (1982) W.Ruckstuhl, B.Aas, W.Beer, I.Beltrami, F.W.N.de Boer, K.Bos, P.F.A.Goudsmit, U.Kiebele, H.J.Leisi, G.Strassner, A.Vacchi, R.Weber High-Precision Muonic X-Ray Measurement of the rms Charge Radius of 12C with a Crystal Spectrometer ATOMIC PHYSICS, Mesic-Atoms 12C; measured muonic X-rays. 12C deduced rms charge radius.
doi: 10.1103/PhysRevLett.49.859
1981FI02 Nucl.Phys. A363, 311 (1981) C.A.Fields, F.W.N.De Boer, J.J.Kraushaar, R.A.Ristinen, L.E.Samuelson, E.Sugarbaker High-Spin States in 90Nb NUCLEAR REACTIONS 89Y(α, 3nγ), E=35 MeV; 90Zr(3He, 2np), E=33-43 MeV; measured Eγ, Iγ(t, θγ), γγ-coin, γγ(t), nγ-coin. 90Nb deduced level, T1/2, J, π. Enriched targets, Ge(Li), hyperpure Ge detectors.
doi: 10.1016/0375-9474(81)90259-1
1981FI03 Nucl.Phys. A363, 352 (1981) C.A.Fields, F.W.N.De Boer, E.Sugarbaker, P.M.Walker A Study of 80,82,84Sr by (α, 2nγ) Reactions NUCLEAR REACTIONS 78,80,82Kr(α, 2n), E=28 MeV; measured Eγ, Iγ(θ), γγ-coin. 80,82,84Sr deduced levels, J, π. Shell model, interacting boson approximation analysis.
doi: 10.1016/0375-9474(81)90262-1
1981FI04 Nucl.Phys. A366, 38 (1981) C.A.Fields, F.W.N.De Boer, D.E.Prull, R.A.Ristinen, L.E.Samuelson, P.A.Smith, E.Sugarbaker Decay Pathways and Entry-State Population in (α, xnγ) and (3He, xnγ) Reactions on 150Nd NUCLEAR REACTIONS 150Nd(α, xn), E=28-36 MeV; 150Nd(3He, xn), E=25-43 MeV; measured nγ-, nnγ-, nγγ-coin, σ(E, θ(n), Eγ), Iγ(E(n)); deduced neutron decay pathways and entry state locations in final nuclei. Enriched target. Ge(Li), hyperpure Ge, and NE 224 detectors, tof.
doi: 10.1016/0375-9474(81)90486-3
1981FI06 Phys.Lett. 106B, 453 (1981) C.A.Fields, F.W.N.De Boer, R.A.Ristinen, P.A.Smith, E.Sugarbaker Fast Neutron Emission in (α, 2n) Reactions: A neutron skin effect ( Question ) NUCLEAR REACTIONS 112,118,120,124Sn(α, 2n), E=35 MeV; 108Pd, 150Nd(α, 2n), E=32 MeV; measured σ(En); deduced reaction mechanism, neutron skin effect.
doi: 10.1016/0370-2693(81)90255-0
1981KO03 Nucl.Phys. A352, 191 (1981) J.Konijn, F.W.N.De Boer, A.Van Poelgeest, W.H.A.Hesselink, M.J.A.De Voigt, H.Verheul, O.Scholten The Level Structue of 156Gd Studied by Means of the (α, 2nγ) Reaction NUCLEAR REACTIONS 154Sm(α, 2n), E=24-32 MeV; measured Eγ, Iγ, E(ce), I(ce), γ(θ), γ(t), γγ-coin. 156Gd deduced levels, J, π, ICC, γ-branching. Enriched targets, Ge(Li) and Si(Li) detectors, mini-orange electron spectrometer. Variable moment of inertia and interacting boson approximation model calculations.
doi: 10.1016/0375-9474(81)90376-6
1981KO05 Phys.Lett. 99B, 449 (1981) J.Konijn, J.B.R.Berkhout, W.H.A.Hesselink, H.Verheul, P.M.Walker, F.W.N.De Boer, C.A.Fields, E.Sugarbaker Intrinsic Structure Effects in the Octupole Bands of 152Sm NUCLEAR STRUCTURE 152Sm; analyzed level structure; deduced collective octupole bands, K, π, quasiparticle configuration effects.
doi: 10.1016/0370-2693(81)91177-1
1981RU13 Helv.Phys.Acta 54, 644 (1981) W.Ruckstuhl, B.Aas, I.Beltrami, K.Bongardt, P.F.A.Goudsmit, H.J.Leisi, G.Strassner, A.Vacchi, F.W.N.De Boer, U.Kiebele, R.Weber Bestimmung des Ladungsradius von 12C aus einer Messung des Myonischen (2p-1s)-Rontgenubergangs NUCLEAR MOMENTS 12C; measured muonic X-rays; deduced rms radius. Crystal spectrometer.
1981WA22 Phys.Lett. 104B, 19 (1981) P.M.Walker, F.W.N.de Boer, C.A.Fields Band Crossing in 162Dy: Characterisation of negative-parity yrast and yrare sequences NUCLEAR REACTIONS 160Gd(α, 2n), E=28 MeV; measured I(ce), γγ-coin. 162Dy deduced levels, yrast, yrare sequence, J, π, octupole, two-quasiparticle rotation-aligned band crossing.
doi: 10.1016/0370-2693(81)90845-5
1980DE34 Phys.Lett. B96, 39 (1980) F.W.N.de Boer, C.A.Fields, G.Marro, E.Sugarbaker, J.Konijn, H.Verheul, P.M.Walker Aligned Octupole Bands in Deformed N=90 and N=92 Nuclei NUCLEAR STRUCTURE 156Dy, 156Gd, 152Sm; analyzed negative parity yrast bands; deduced constant degree of alignment, two-quasiproton configuration of octupole bands.
doi: 10.1016/0370-2693(80)90207-5
1980DE36 Nucl.Phys. A350, 149 (1980) F.W.N.De Boer, J.J.Van Ruyven, A.W.B.Kalshoven, H.Verheul, R.Vis, E.Sugarbaker, C.Fields, C.S.Zaidins The Tetraneutron Revisited NUCLEAR REACTIONS 130Te(3He, 4n), E=44, 130 MeV; deduced upper limit for process. RADIOACTIVITY 132Te [from 130Te(4n, 2n)]; measured Eγ, Iγ, Eβ, Iβ. Ge(Li) detector, chemical separations, enriched, natural targets.
doi: 10.1016/0375-9474(80)90393-0
1980FI02 Nucl.Instrum.Methods 169, 173 (1980) C.A.Fields, F.W.N.de Boer, R.A.Ristinen, L.E.Samuelson, P.A.Smith A Method for Determining the Neutron Multiplicity for Gamma Rays from (Particle, xnγ) Reactions NUCLEAR REACTIONS 104Pd, 120Sn, 150Nd, 165Ho, 208Pb(α, xn), E=35.1 MeV; measured nγ-coin.
doi: 10.1016/0029-554X(80)90117-2
1980FI06 Z.Phys. A295, 365 (1980) C.A.Fields, F.W.N.de Boer, J.J.Kraushaar, W.W.Pratt, R.A.Ristinen, L.E.Samuelson Gamma-Ray Spectroscopy of 87Y NUCLEAR REACTIONS 88Sr(p, 2n), E=22.8 MeV; 85Rb(α, 2n), E=24.1-36.1 MeV; measured Eγ, Iγ, γγ-, nγ-coin, Iγ(Eα, θγ, t), γ(θ). 87Y deduced levels, J, π, configurations. Natural Sr, enriched Rb targets, Ge(Li), HPGe detectors. Shell model, weak-coupling model.
doi: 10.1007/BF01412950
1980KA05 Nucl.Phys. A337, 120 (1980) A.W.B.Kalshoven, F.W.N.de Boer, W.H.A.Hesselink, S.Idzenga, J.Ludziejewski, F.Ottenhof, J.J.van Ruyven, H.Verheul, A.Knipper, G.Marguier, C.Richard-Serre, B.Bergersen, E.Hagebo, O.Scheidemann Level Structure of 99,101,103Ag Observed in the Decay of Light Cd Isotopes RADIOACTIVITY 99,101,103Cd [from Sn(p, xn3p)]; measured T1/2, Eγ, Iγ, I(ce), γγ(t). 99,101,103Ag deduced levels, J, π. NUCLEAR REACTIONS 102,104Pd(p, 2nγ), E=25, 19 MeV; measured γ(θ); deduced ICC. On-line mass separated sources. Ge(Li), Si(Li) detectors.
doi: 10.1016/0375-9474(80)90082-2
1978BE24 Z.Phys. A286, 215 (1978) R.Beetz, F.W.N.de Boer, J.K.Panman, J.Konijn, P.Pavlopoulos, G.Tibell, K.Zioutas, I.Bergstrom, K.Fransson, L.Tauscher, P.Blum, R.Guigas, H.Koch, H.Poth, L.M.Simons High Spin States and Neutron Multiplicities after Pion Capture in 181Ta and 209Bi NUCLEAR REACTIONS 181Ta, 209Bi(π-, xnγ), E=0 MeV; measured prompt, delayed γ; deduced σ. 194,196,198,200,202,204,206,203,205,207Pb, 202,206,207Tl, 166,168,170,172,174,176,178Hf deduced transitions. NUCLEAR MOMENTS, Mesic-Atoms 181Ta, 209Bi; measured hyperfine splitting; deduced quadrupole moment.
doi: 10.1007/BF01408978
1978BE31 Nucl.Phys. A300, 369 (1978) R.Beetz, F.W.N.de Boer, K.Fransson, J.Konijn, J.K.Panman, L.Tauscher, G.Tibell Determination of the Effective Quadrupole Moment in 181Ta with Pionic X-Rays NUCLEAR MOMENTS 181Ta; measured pionic X-rays, hyperfine splitting; deduced quadrupole moment.
doi: 10.1016/0375-9474(78)96138-9
1978DE02 Z.Phys. A284, 267 (1978) F.W.N.de Boer, L.K.Peker, P.Koldewijn, J.Konijn Crossing of Negative Parity Bands in Even-Even Nuclei Around A ≈ 150 NUCLEAR STRUCTURE 150Sm, 152Gd, 154Dy, 156Er; calculated band crossing.
1978KO03 Z.Phys. A284, 233 (1978) J.Konijn, F.W.N.de Boer, P.Koldewijn, R.Beetz, L.K.Peker Aligned Rotation of Octupole-Vibrational States in Deformed Nuclei NUCLEAR STRUCTURE 154Gd, 156Dy, 162Er, 238U; calculated levels. VMI model.
doi: 10.1007/BF01411333
1978PE01 Z.Phys. A285, 67 (1978) L.K.Peker, F.W.N.de Boer, J.Konijn On the Nature of the Superband in 156Dy NUCLEAR STRUCTURE 156Dy; analyzed band structure.
doi: 10.1007/BF01410226
1977DE28 Nucl.Phys. A290, 173 (1977) F.W.N.de Boer, P.Koldewijn, R.Beetz, J.L.Maarleveld, J.Konijn, R.Janssens, J.Vervier Multipolarities of Prompt Transitions in 156Dy and Spin-Parities of the Upper Band Level NUCLEAR REACTIONS 156Gd(α, 4n), E=45 MeV; 159Tb(p, 4n), E=44 MeV; measured Eγ, Iγ, E(ce), I(ce). 156Dy deduced levels, J, π, multipolarities, B(E2), B(E1), B(E2)/B(E1) ratios. Enriched, natural targets. Ge(Li), Si(Li) detectors.
doi: 10.1016/0375-9474(77)90673-X
1977PE14 Z.Phys. A283, 121 (1977) L.K.Peker, F.W.N.de Boer, J.Konijn An Anomalous Behaviour of the Gamma Band in 156Dy NUCLEAR STRUCTURE 156Dy; analyzed data; deduced anomalous behaviour in γ-band.
doi: 10.1007/BF01434072
1976DE20 Nucl.Phys. A263, 397 (1976) F.W.N.de Boer, P.F.A.Goudsmit, B.J.Meijer, J.C.Kapteyn, J.Konijn, R.Kamermans The Four Quasi-Particle 178Hf Isomeric State, its Excitation Energy and Multipolarities of Deexciting Transitions RADIOACTIVITY 178mHf [from 181Ta(γ, 2np)]; measured Eγ, Iγ, I(ce), γγ-coin, Eγ-coin, Xγ-coin. 178Hf deduced levels, J, π, ICC, g, multipolarities. Ge(Li), Si(Li), intrinsic Ge detectors. Natural targets.
doi: 10.1016/0375-9474(76)90196-2
1976ME06 Nucl.Phys. A259, 213 (1976) B.J.Meijer, F.W.N.de Boer, P.F.A.Goudsmit The Decay of 52 min 167Lu and the Level Scheme of 167Yb RADIOACTIVITY 167Lu [from 169Tm(3He, 5n), 170Yb(p, 4n)]; measured T1/2, Eγ, Iγ, γγ-coin; deduced Q, log ft. 167Yb deduced levels, J, π, ICC, multipolarities. Compton-suppression spectrometer. Enriched 170Yb targets.
doi: 10.1016/0375-9474(76)90063-4
1974DE09 Nucl.Phys. A225, 317 (1974); Priv.Comm. (March 1974) F.W.N.de Boer, P.F.A.Goudsmit, P.Koldewijn, B.J.Meyer Decay Properties of Three 166Lu Isomers and the Decay of 166Hf RADIOACTIVITY 166Lu, 166Hf [from 169Tm(3He, 6n), 170Yb(p, 5n)]; measured Eγ, Iγ, I(ce), γγ-coin, Eγ-coin, Xγ delay. 166Yb, 166Lu deduced levels, T1/2, Q-value, J, log ft, π, ICC multipolarities, Ge(Li), Si(Li), NaI(Tl), plastic detectors. Enriched, natural targets.
doi: 10.1016/0375-9474(74)90544-2
1974DE26 Priv.Comm. (April 1974); See Also 73De22
1974DE30 Priv.Comm. (March 1974); See Also 74De09
1974DE47 Nucl.Phys. A236, 349 (1974) F.W.N.de Boer, P.F.A.Goudsmit, B.J.Meijer, P.Koldewijn, J.Konijn, R.Beetz The Decays of 21.55 min 162gTm and 24.3 s 162Tm (A New Isomer) RADIOACTIVITY 162Tm, 162mTm [from 165Ho(3He, 6n), 166Er(p, 5n), 164Er(p, 3n)]; measured T1/2, Q, Eγ, Iγ, I(ce), γγ-coin, Eγ-coin. 162Er, 162Tm deduced levels, J, log ft, π, multipolarities. Ge(Li), Si(Li), NaI(Tl) detectors, enriched, natural targets.
doi: 10.1016/0375-9474(74)90260-7
1974LI11 Nucl.Instrum.Methods 118, 609 (1974) E.W.A.Lingeman, F.W.N.de Boer, B.J.Meijer Intensities of γ-Rays in the Decay of 166mHo RADIOACTIVITY 166mHo; measured Eγ, Iγ.
doi: 10.1016/0029-554X(74)90673-9
1973DE04 Priv.Comm. (1973) F.W.N.de Boer, P.F.A.Goudsmit, B.J.Meyer
1973DE22 Z.Phys. 260, 75 (1973) F.W.N.De Boer, P.F.A.Goudsmit, B.J.Meijer Re-Investigation of the 166Yb → 166Tm Decay RADIOACTIVITY 166Yb, 166Tm; measured Eγ, Iγ, γγ(t). 166Yb deduced Q+; 166Tm deduced T1/2 of 82.29 keV level.
doi: 10.1007/BF01398072
1973JO12 Z.Phys. 262, 247 (1973) H.W.Jongsma, J.C.de Lange, H.Verheul, F.W.N.de Boer, P.F.A.Goudsmit The Decay of 65Ge RADIOACTIVITY 65Ge; measured Eγ, Iγ, T1/2. Deduced log ft, β-branching. 65Ga deduced levels, J, π.
doi: 10.1007/BF01391841
1973ME09 Nucl.Phys. A204, 636 (1973) B.J.Meijer, F.W.N.De Boer, P.F.A.Goudsmit The Decay Properties of 3.25 min 169Hf and 2.05 min 167Hf RADIOACTIVITY 169Hf, 167Hf [from 170Yb(3He, 4n), 170Yb(3He, 6n)]; measured T1/2, Eγ, Iγ, I(ce); deduced log ft. 169Hf deduced Q+. 169Lu, 167Lu deduced levels, J, π, ICC, multipolarities. Ge(Li), Si(Li) spectrometers. Enriched targets.
doi: 10.1016/0375-9474(73)90400-4
1973ME25 Radiochim.Acta 19, 150 (1973) B.J.Meijer, F.W.N.de Boer, P.F.A.Goudsmit Gamma Rays from 11.8 min 165Lu, a New Isotope RADIOACTIVITY 165Lu; measured T1/2, Eγ, Iγ. 165Yb deduced transitions.
1972DE40 Radiochim.Acta 18, 60 (1972) F.W.N.de Boer, E.W.A.Lingeman, B.J.Meijer Gamma Rays from the New Isotope (3.6 +/- 0.2) min 77Rb RADIOACTIVITY 77Rb; measured T1/2, Eγ, Iγ.
1972DE54 Radiochim.Acta 17, 116 (1972) F.W.N.de Boer, P.Koldewijn, J.Konijn, E.W.A.Lingeman About the Non-Existence of 4.2m 78mRb RADIOACTIVITY 78Rb, 77mBr; measured Eγ, T1/2.
1972DE57 Radiochim.Acta 17, 218 (1972) F.W.N.de Boer, P.F.A.Goudsmit, B.J.Meijer Gamma Rays of the Decay of 11.4 min in 163Yb
1972GO34 Nucl.Phys. A196, 362 (1972) P.F.A.Goudsmit, F.W.N.de Boer, B.J.Meijer, M.Bogdanovic The Decay Properties of 19.0 min 162Yb RADIOACTIVITY 162Yb[from 164Er(3He, 5n), 166Er(3He, 7n)]; measured T1/2, Eγ, Iγ, I(ce), γγ-, ceγ-coin, γγ-delay; deduced log ft. 162Tm deduced levels, J, π, ICC, γ-multipolarity. Ge(Li), Si(Li) detectors.
doi: 10.1016/0375-9474(72)90971-2
1971DE22 Nucl.Phys. A169, 577 (1971) F.W.N.de Boer, P.F.A.Goudsmit, P.Koldewijn, B.J.Meijer The Decay of 5.1 min 164mTm (A New Isomer). The 164Yb(75 min) → 164Tm (2.0 min)→ 164Er Decay Chain RADIOACTIVITY 164gTm, 164mTm [from 166Er(p, 3n), 166Er(3He, 5n)]; measured Eγ, Iγ, I(ce), Xγ-delay, γγ-coin; deduced log ft. 164Er, 164Tm deduced levels, T1/2, J , π, ICC, multipolarities. Ge(Li), Si(Li), NaI(Tl) spectrometers. Enriched targets.
doi: 10.1016/0375-9474(71)90703-2
1971LI02 Nucl.Phys. A160, 630 (1971) E.W.A.Lingeman, F.W.N.de Boer, P.Koldewijn, P.R.Maurenzig The Decay of 23.0 min 79Rb to Levels in 79Kr RADIOACTIVITY 79Rb[from 79Br(3He, 3n)]; measured Eγ, Iγ, γγ-coin, βγ-coin, T1/2; deduced log ft, Q+. 79Kr deduced levels, J, π. Ge(Li), Si(Li) detectors, Naton plastic scintillator.
doi: 10.1016/0375-9474(71)90104-7
1970DE09 Verh.Deut.Phys.Ges. 6, 598 (1970) F.W.N.de Boer, E.W.A.Lingeman, R.van Lieshout, R.A.Ricci Re-Examination of the 66Ge Decay RADIOACTIVITY 66Ge; measured T1/2, Eγ, Iγ, βγ-, γγ-coin, I(ce); deduced Q, log ft. 66Ga deduced levels, J, π, T1/2. Ge(Li), Si(Li) detectors.
1970DE13 Radiochim.Acta 13, 118 (1970) F.W.N.de Boer, P.F.A.Goudsmit, P.Koldewijn, B.J.Meijer New Isotopes 158Tm and 160Tm RADIOACTIVITY 158,160Tm; measured T1/2, Eγ, Iγ, γγ-coin. 158,160Er deduced transition.
1970DE39 Nucl.Phys. A158, 166 (1970) F.W.N.de Boer, E.W.A.Lingeman, R.van Lieshout, R.A.Ricci Re-Examination of the 66Ge Decay RADIOACTIVITY 66Ge[from 66Zn(3He, 3n), 64Zn(3He, n)]; measured Eγ, Iγ, β, T1/2, γγ-coin; deduced log ft, Q+. 66Ga deduced levels, T1/2, J, π, ICC, γ-multipolarity. Natural target, enriched 64Zn target, Ge(Li), Si(Li) detectors.
doi: 10.1016/0375-9474(70)90061-8
1970GO20 Nucl.Phys. A151, 513 (1970) P.F.A.Goudsmit, J.Konijn, F.W.N.de Boer The Decay of 178Re(13.2 min), 177Re(14.0 min) and 176Re(5.7 min) RADIOACTIVITY 178Re, 177Re, 176Re [from 182W(p, xn), 181Ta(3He, xn)]; measured T1/2, Eγ, Iγ, I(ce), γγ-, β+γ-coin, Eβ+; deduced log ft, Q+. 178W deduced levels, J, π, ICC, γ-multipolarity.
doi: 10.1016/0375-9474(70)90394-5
1970LI05 Priv.Comm. (1970) E.W.A.Lingeman, F.W.N.de Boer, R.van Lieshout, P.Koldewijn
1969DE01 Priv.Comm.(April 1969) F.W.N.De Boer, E.W.A.Lingeman, R.van Lieshout, R.A.Ricci NUCLEAR STRUCTURE 66Ge; measured not abstracted; deduced nuclear properties.
1969GO02 Priv.Comm.(April 1969) P.F.A.Goudsmit, J.Konijn, F.W.N.De Boer, K.E.G.Lobner NUCLEAR STRUCTURE 178Re; measured not abstracted; deduced nuclear properties.
1968KO10 Nucl.Phys. A114, 602 (1968) J.Konijn, P.F.A.Goudsmit, F.W.N.De Boer, B.J.Meijer The Decay of 180Os RADIOACTIVITY 180Os [from 184W(3He, 7n)], measured T1/2, Eγ, Iγ, ICC, Xγ-delay. 180Re deduced levels T1/2, J, π, γ-multipolarity. Enriched 184W target. Detector - Si(Li).
doi: 10.1016/0375-9474(68)90288-1
1967GO22 Nucl.Phys. A104, 497 (1967) P.F.A.Goudsmit, J.Konijn, F.W.N.De Boer A Study of the Decay of 2.5 min 180Re RADIOACTIVITY 180Re [from 182W(p, 3n)]; measured T1/2, Eγ, Iγ, I(ce), ICC, γγ-coin, γX-, γβ-coin, γγ(θ), Eβ; deduced Q+. 180W deduced levels, T1/2, J, π, delta. Natural target.
doi: 10.1016/0375-9474(67)90467-8
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