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NSR database version of April 11, 2024.

Search: Author = G.T.Seaborg

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1996KA66      Radiochim.Acta 72, 169 (1996)

B.Kadkhodayan, A.Turler, K.E.Gregorich, P.A.Baisden, K.R.Czerwinski, B.Eichler, H.W.Gaggeler, T.M.Hamilton, D.T.Jost, C.D.Kacher, A.Kovacs, S.A.Kreek, M.R.Lane, M.F.Mohar, M.P.Neu, N.J.Stoyer, E.R.Sylwester, D.M.Lee, M.J.Nurmia, G.T.Seaborg, D.C.Hoffman

On-line Gas Chromatographic Studies of Chlorides of Rutherfordium and Homologs Zr and Hf

RADIOACTIVITY 98Zr(β-);162Hf(EC); measured Eγ, Iγ, half-lives. 261Rf(α); measured Eα, Iα, half-life.


1995GH04      Nucl.Phys. A583, 861c (1995)

A.Ghiorso, D.Lee, L.P.Somerville, W.Loveland, J.M.Nitschke, W.Ghiorso, G.T.Seaborg, P.Wilmarth, R.Leres, A.Wydler, M.Nurmia, K.Gregorich, R.Gaylord, T.Hamilton, N.J.Hannink, D.C.Hoffman, C.Jarzynski, C.Kacher, B.Kadkhodayan, S.Kreek, M.Lane, A.Lyon, M.A.McMahan, M.Neu, T.Sikkeland, W.J.Swiatecki, A.Turler, J.T.Walton, S.Yashita

Evidence for the Synthesis of 267110 Produced by the 59Co + 209Bi Reaction

NUCLEAR REACTIONS 209Bi(59Co, n), E ≈ 5.1 MeV/nucleon; measured Eα, production σ; deduced evidence for 267Ds.

doi: 10.1016/0375-9474(94)00775-I
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2565.


1995GH05      Phys.Rev. C51, R2293 (1995)

A.Ghiorso, D.Lee, L.P.Somerville, W.Loveland, J.M.Nitschke, W.Ghiorso, G.T.Seaborg, P.Wilmarth, R.Leres, A.Wydler, M.Nurmia, K.Gregorich, K.Czerwinski, R.Gaylord, T.Hamilton, N.J.Hannink, D.C.Hoffman, C.Jarzynski, C.Kacher, B.Kadkhodayan, S.Kreek, M.Lane, A.Lyon, M.A.McMahan, M.Neu, T.Sikkeland, W.J.Swiatecki, A.Turler, J.T.Walton, S.Yashita

Evidence for the Possible Synthesis of Element 110 Produced by the 59Co + 209Bi Reaction

NUCLEAR REACTIONS 209Bi(59Co, n), E=5.1 MeV/nucleon; measured implanted recoil Bρ, dE/dx, recoil energy; deduced 267Ds synthesis evidence, production σ.

doi: 10.1103/PhysRevC.51.R2293
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2565.


1994CZ04      Radiochim.Acta 64, 23 (1994)

K.R.Czerwinski, K.E.Gregorich, N.J.Hannink, C.D.Kacher, B.A.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, A.Turler, G.T.Seaborg, D.C.Hoffman

Solution Chemistry of Element 104: Part I. Liquid-liquid extractions with triisooctylamine


1994CZ05      Radiochim.Acta 64, 29 (1994)

K.R.Czerwinski, C.D.Kacher, K.E.Gregorich, T.M.Hamilton, N.J.Hannink, B.A.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, A.Turler, G.T.Seaborg, D.C.Hoffman

Solution Chemistry of Element 104: Part II. Liquid-liquid extractions with tributylphosphate


1992YO03      Phys.Rev. C46, 647 (1992)

A.Yokoyama, W.Loveland, J.O.Liljenzin, K.Aleklett, D.J.Morrissey, G.T.Seaborg

Fragmentation of 197Au by 21 MeV/Nucleon 129Xe

NUCLEAR REACTIONS 197Au(129Xe, X), (129Xe, F), E=21 MeV/nucleon; measured residuals production σ, independent yield distribution, intermediate mass, fission fragment recoils, X=24Na-198Tl; deduced fragment mass distribution, velocities, momenta. Stochastic nucleon exchange model.

doi: 10.1103/PhysRevC.46.647
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2564.


1990AL03      Phys.Lett. 236B, 404 (1990)

K.Aleklett, W.Loveland, M.De Saint-Simon, L.Sihver, J.O.Liljenzin, G.T.Seaborg

Heavy Residue Linear Momenta in Intermediate Energy Krypton-Gold Collisions

NUCLEAR REACTIONS 197Au(86Kr, X), E=35, 43 MeV/nucleon; measured heavy residues energy, velocity; deduced momentum transfer features.

doi: 10.1016/0370-2693(90)90373-E
Citations: PlumX Metrics


1990LO01      Phys.Rev. C41, 973 (1990)

W.Loveland, K.Aleklett, L.Sihver, Z.Xu, C.Casey, D.J.Morrissey, J.O.Liljenzin, M.de Saint-Simon, G.T.Seaborg

Changes in Target Fragmentation Mechanisms with Increasing Projectile Energy in Intermediate Energy Nuclear Collisions

NUCLEAR REACTIONS, ICPND 197Au(32S, X), E=512 MeV; 197Au(40Ar, X), E=1280, 1760 MeV; measured σ(fragment Z, A, θ); deduced fission σ(E), reaction mechanism, fragment isobaric yield distributions.

doi: 10.1103/PhysRevC.41.973
Citations: PlumX Metrics


1989AL13      Nucl.Phys. A499, 591 (1989)

K.Aleklett, M.Johansson, L.Sihver, W.Loveland, H.Groening, P.L.McGaughey, G.T.Seaborg

Heavy-Residue Spectra in the Interaction of 85 A MeV 12C with 197Au

NUCLEAR REACTIONS 197Au(12C, X), E=1032 MeV; measured fragment differential ranges; deduced σ(θ, E), heavy residue longitudinal momenta.

doi: 10.1016/0375-9474(89)90547-2
Citations: PlumX Metrics


1989CA18      Phys.Rev. C40, 1244 (1989)

C.Casey, W.Loveland, Z.Xu, L.Sihver, K.Aleklett, G.T.Seaborg

Nonequilibrium Fission and Heavy Residue Production in the Interaction of 12-16 MeV/Nucleon 32S with 165Ho

NUCLEAR REACTIONS 165Ho(32S, X), E=12-16 MeV/nucleon; measured σ(fragment Z, A, θ, E); deduced fragment production σ(A), σ(θ), fast nonequilibrium fission.

doi: 10.1103/PhysRevC.40.1244
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2562.


1988AL26      Phys.Rev. C38, 1658 (1988), Erratum Phys. Rev. C44, 566 (1991)

K.Aleklett, R.Brandt, G.Dersch, G.Feige, E.M.Friedlander, E.Ganssauge, G.Haase, D.C.Hoffman, J.Herrmann, B.Judek, W.Loveland, P.L.McGaughey, N.T.Porile, W.Shulz, G.T.Seaborg

Unusual Behavior of Projectile Fragments Produced by the Interactions of Relativistic Ar Ions with Copper

NUCLEAR REACTIONS Cu(40Ar, X), E=0.9, 1.8 GeV/nucleon; measured reaction products, Eγ, Iγ; deduced target fragment production σ, projectile fragment secondary interaction properties.

doi: 10.1103/PhysRevC.38.1658
Citations: PlumX Metrics


1988HO19      J.Radioanal.Nucl.Chem. 124, 135 (1988)

D.C.Hoffman, R.A.Henderson, K.E.Gregorich, D.A.Bennett, R.M.Chasteler, C.M.Gannett, H.L.Hall, D.M.Lee, M.J.Nurmia, S.Cai, R.Agarwal, A.W.Charlop, Y.Y.Chu, G.T.Seaborg, R.J.Silva

Atom-at-a-time radiochemical separations of the heaviest elements: Lawrencium chemistry

NUCLEAR REACTIONS 249Bk(18O, 3nα), E=101 MeV; measured reaction products, Eα, Iα. 260Lr; deduced σ, T1/2.

doi: 10.1007/bf02035512
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2514.


1988LE18      Phys.Rev. C38, 1757 (1988); Erratum Phys.Rev. C39, 724 (1989)

C.H.Lee, Y.W.Yu, D.Lee, H.Kudo, K.J.Moody, G.T.Seaborg

Charge and Mass Distributions from the Reaction of 240 MeV 12C Ions with 238U

NUCLEAR REACTIONS 238U(12C, F), E=240 MeV; measured fission fragment mass, charge distribution, yield vs mass; deduced formation σ for A=48-239. Radiochemistry techniques.

doi: 10.1103/PhysRevC.38.1757
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2470.


1988LO10      Phys.Rev. C38, 2094 (1988)

W.Loveland, Z.Xu, C.Casey, K.Aleklett, J.O.Liljenzin, D.Lee, G.T.Seaborg

Total Projectile Kinetic Energy Scaling in Energetic Nucleus-Nucleus Collisions

NUCLEAR REACTIONS 197Au(139La, X), E=150 MeV/nucleon; measured σ(fragment Z, A); deduced σ(A). Total kinetic energy scaling, target fragmentation, intranuclear cascade model.

doi: 10.1103/PhysRevC.38.2094
Citations: PlumX Metrics


1987AL15      Fizika(Zagreb) 19, Supplement 1, 63 (1987)

K.Aleklett, W.Loveland, L.Sihver, Z.Xu, C.Casey, G.T.Seaborg

Formation of Large Residues in Intermediate Energy Nuclear Collisions

NUCLEAR REACTIONS 197Au(12C, X), (20Ne, X), (32S, X), (40Ar, X), (84Kr, X), (139La, X), E=intermediate; measured fragment yields, velocity spectra, σ(fragment θ); deduced fragment production mechanism.


1987GR13      Phys.Rev. C35, 2117 (1987)

K.E.Gregorich, K.J.Moody, D.Lee, W.K.Kot, R.B.Welch, P.A.Wilmarth, G.T.Seaborg

Actinide Production in 136Xe Bombardments of 249Cf

NUCLEAR REACTIONS 249Cf(136Xe, X)234Np/236Np/238Np/239Np/240Np/243Pu/245Pu/246Pu/239Am/240Am/242Am/244Am/245Am/246Am/247Am/249Cm/244Bk/245Bk/246Bk/248Bk/249Bk/250Bk/251Bk/245Cf/246Cf/247Cf/248Cf/253Cf/248Es/249Es/250Es/251Es/252Es/253Es/254Es/255Es/256Es/250Fm/251Fm/252Fm/253Fm/254Fm/256Fm/256Md, E=749, 813, 877 MeV; measured residue σ(E). Ge, Ge(Li) detectors, activation technique.

doi: 10.1103/PhysRevC.35.2117
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2558.


1987LO14      Nucl.Phys. A471, 175c (1987)

W.Loveland, K.Aleklett, L.Sihver, Z.Xu, C.Casey, G.T.Seaborg

Formation of Large Target Residues in Intermediate Energy Nuclear Collisions

NUCLEAR REACTIONS 197Au(12C, X), E=35, 85 MeV/nucleon; 197Au(40Ar, X), E=32 MeV/nucleon; 197Au(84Kr, X), E=35 MeV/nucleon; 197Au(139La, X), E=150 MeV/nucleon; measured fragment isobaric yield distributions, σ(fragment θ(moving frame)) for X=99Mo, 131Ba, 171Lu, 58Co, 87Y, 146Gd; deduced fragment production mechanism. Boltzmann transport equation.

doi: 10.1016/0375-9474(87)90250-8
Citations: PlumX Metrics


1987WE01      Phys.Rev. C35, 204 (1987)

R.B.Welch, K.J.Moody, K.E.Gregorich, D.Lee, G.T.Seaborg

Dependence of Actinide Production on the Mass Number of Projectile: Xe + 248Cm

NUCLEAR REACTIONS 248Cm(129Xe, X)238Np/239Np/243Pu/245Pu/246Pu/239Am/240Am/242Am/244Am/245Am/246Am/247Am/249Cm/245Bk/246Bk/248Bk/250Bk/251Bk/245Cf/246Cf/247Cf/248Cf/250Cf/252Cf/253Cf/250Es/251Es/252Es/253Es/254Es/254mEs/255Es/252Fm/253Fm/254Fm/255Fm/256Fm, E=769-791 MeV; 248Cm(132Xe, X)238Np/239Np/243Pu/245Pu/246Pu/239Am/240Am/242Am/244Am/245Am/246Am/247Am/249Cm/245Bk/246Bk/248Bk/250Bk/251Bk/245Cf/246Cf/247Cf/248Cf/250Cf/252Cf/253Cf/250Es/251Es/252Es/253Es/254Es/254mEs/255Es/252Fm/253Fm/254Fm/255Fm/256Fm, E=793-817 MeV; measured residual production σ. Enriched target, radiochemical techniques. Quasielastic, deep inelastic transfer mechanisms.

doi: 10.1103/PhysRevC.35.204
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2556.


1987YU01      Phys.Rev. C36, 2396 (1987)

Y.W.Yu, C.H.Lee, K.J.Moody, H.Kudo, D.Lee, G.T.Seaborg

Yield and Recoil Properties of Iodine Isotopes from the Interaction of 240 MeV 12C with 238U

NUCLEAR REACTIONS 238U(12C, X)120I/121I/123I/124I/126I/128I/130I/131I/132I/132mI/133I/134I/135I, E=20 MeV/nucleon; measured residuals independent yields vs mass isotopic distribution; deduced production mechanism.

doi: 10.1103/PhysRevC.36.2396
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2555.


1986AL02      Phys.Rev. C33, 885 (1986)

K.Aleklett, W.Loveland, T.Lund, P.L.McGaughey, Y.Morita, G.T.Seaborg, E.Hagebo, I.Haldorsen

Fast and Slow Processes in the Fragmentation of 238U by 85 MeV/Nucleon 12C

NUCLEAR REACTIONS 238U(12C, X), (12C, F), E=85 MeV/nucleon; measured fission, projectile breakup fragment σ(θ, Z, A); deduced fragment σ(θ), fragmentation mechanism, average fissioning system angular momentum.

doi: 10.1103/PhysRevC.33.885
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1524.


1986AL25      Phys.Scr. 34, 489 (1986)

K.Aleklett, W.Loveland, T.T.Sugihara, A.N.Behkami, D.J.Morrissey, Li Wenxin, Wing Kot, G.T.Seaborg

Incomplete and Complete Fusion in Intermediate Energy Heavy Ion Reactions

NUCLEAR REACTIONS 154Sm(16O, X)151Tb/156Tb/151Gd, E=19 MeV/nucleon; 154Sm(12C, X)145Eu/147Eu/135Ce/131Ba/123I/121Te/105Ag, E=35, 85 MeV/nucleon; measured residual nuclei yields, σ(θ), differential range spectra; deduced isobaric yields, velocity spectra. Enriched target, activation method. Boltzmann master equation.

doi: 10.1088/0031-8949/34/6A/004
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2554.


1986GA06      Phys.Rev. C33, 1983 (1986)

H.Gaggeler, W.Bruchle, M.Brugger, M.Schadel, K.Summerer, G.Wirth, J.V.Kratz, M.Lerch, Th.Blaich, G.Herrmann, N.Hildebrand, N.Trautmann, D.Lee, K.J.Moody, K.E.Gregorich, R.B.Welch, G.T.Seaborg, D.C.Hoffman, W.R.Daniels, M.M.Fowler, H.R.von Gunten

Production of Cold Target-Like Fragments in the Reaction of 48Ca + 248Cm

NUCLEAR REACTIONS 248Cm(Ca, X)210Rn/211Rn/212Rn/219Rn/220Rn/221Rn/222Rn/221Ra/222Ra/223Ra/223Ac/224Ac/225Ac/226Ac/225Th/226Th/227Th/228Th/230U/237U/236Pu/238Pu/243Pu/245Pu/246Pu, E=248-263 MeV; measured residuals yields, σ vs mass; deduced production mechanism.

doi: 10.1103/PhysRevC.33.1983
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2553.


1986MO06      Phys.Rev. C33, 1315 (1986)

K.J.Moody, D.Lee, R.B.Welch, K.E.Gregorich, G.T.Seaborg, R.W.Lougheed, E.K.Hulet

Actinide Production in Reactions of Heavy Ions with 248Cm

NUCLEAR REACTIONS 248Cm(16O, X), E=96.5 MeV; 248Cm(136Xe, X), E=699-790 MeV; 248Cm(86Kr, X), E=493-546 MeV; measured actinide (232Pa-256Fm) yields; deduced optimum reactions.

doi: 10.1103/PhysRevC.33.1315
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2552.


1985AR02      Phys.Rev.Lett. 54, 406 (1985)

P.Armbruster, Y.K.Agarwal, W.Bruchle, M.Brugger, J.P.Dufour, H.Gaggeler, F.P.Hessberger, S.Hofmann, P.Lemmertz, G.Munzenberg, K.Poppensieker, W.Reisdorf, M.Schadel, K.-H.Schmidt, J.H.R.Schneider, W.F.W.Schneider, K.Summerer, D.Vermeulen, G.Wirth, A.Ghiorso, K.E.Gregorich, D.Lee, M.Leino, K.J.Moody, G.T.Seaborg, R.B.Welch, P.Wilmarth, S.Yashita, C.Frink, N.Greulich, G.Herrmann, U.Hickmann, N.Hildebrand, J.V.Kratz, N.Trautmann, M.M.Fowler, D.C.Hoffman, W.R.Daniels, H.R.von Gunten, H.Dornhofer

Attempts to Produce Superheavy Elements by Fusion of 48Ca with 248Cm in the Bombarding Energy Range of 4.5-5.2 MeV/u

NUCLEAR REACTIONS 248Cm(48Ca, X), E=4.5-5.2 MeV/nucleon; measured superheavy production σ upper limits vs T1/2. Different separation techniques.

doi: 10.1103/PhysRevLett.54.406
Citations: PlumX Metrics


1985DE61      Phys.Rev.Lett. 55, 1176 (1985)

G.Dersch, R.Beckmann, G.Feige, T.Lund, P.Vater, R.Brandt, E.Ganssauge, K.Aleklett, E.M.Friedlander, P.L.McGaughey, G.T.Seaborg, W.Loveland, J.Herrmann, N.T.Porile

Unusual Behavior of Projectile Fragments from the Interaction of Copper with Relativistic Ar Ions

NUCLEAR REACTIONS Cu(40Ar, X), E=0.9, 1.8 GeV/A; measured reaction products, Eγ, Iγ; deduced fragments σ.

doi: 10.1103/PhysRevLett.55.1176
Citations: PlumX Metrics


1985HO13      Phys.Rev. C31, 1763 (1985)

D.C.Hoffman, M.M.Fowler, W.R.Daniels, H.R.von Gunten, D.Lee, K.J.Moody, K.Gregorich, R.Welch, G.T.Seaborg, W.Bruchle, M.Brugger, H.Gaggeler, M.Schadel, K.Summerer, G.Wirth, Th.Blaich, G.Herrmann, N.Hildebrand, J.V.Kratz, M.Lerch, N.Trautmann

Excitation Functions for Production of Heavy Actinides from Interactions of 40Ca and 48Ca Ions with 248Cm

NUCLEAR REACTIONS 248Cm(40Ca, X)244Bk/245Bk/246Bk/248Bk/248mBk/250Bk/245Cf/246Cf/248Cf/250Cf/252Cf/249Es/250Es/252Es/253Es/254Es/254mEs/250Fm/251Fm/252Fm/254Fm/256Fm, E=221-294 MeV; 248Cm(48Ca, X)245Bk/246Bk/248Bk/248mBk/250Bk/246Cf/248Cf/250Cf/252Cf/253Cf/254Cf/250Es/252Es/253Es/254Es/254mEs/252Fm/254Fm/255Fm/256Fm, E=223-318 MeV; measured residuals production σ(E).

doi: 10.1103/PhysRevC.31.1763
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2551.


1985KR02      Nucl.Phys. A432, 525 (1985)

R.H.Kraus, Jr., W.Loveland, K.Aleklett, P.L.McGaughey, T.T.Sugihara, G.T.Seaborg, T.Lund, Y.Morita, E.Hagebo, I.R.Haldorsen

Target-Fragment Angular Distributions for the Interaction of 86 MeV/A 12C with 194Au

NUCLEAR REACTIONS 197Au(12C, X), E=1032 MeV; measured σ(fragment Z, A); deduced fissioning system angular momentum. Intermediate-energy heavy ions. Fire-streak model, fission, two-step, hydrodynamical models.

doi: 10.1016/0375-9474(85)90258-1
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1531.


1985LO13      Phys.Rev. C32, 1760 (1985)

R.W.Lougheed, J.H.Landrum, E.K.Hulet, J.F.Wild, R.J.Dougan, A.D.Dougan, H.Gaggeler, M.Schadel, K.J.Moody, K.E.Gregorich, G.T.Seaborg

Search for Superheavy Elements using the 48Ca + 254gEs Reaction

NUCLEAR REACTIONS 254Es(48Ca, X)211At/209At/212Pb, E=240, 249 MeV; measured residuals, superheavy production σ. Aqueous, gas phase separation technique.

doi: 10.1103/PhysRevC.32.1760
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2550.


1985MC01      Phys.Rev. C31, 896 (1985); Erratum Phys.Rev. C32, 1107 (1985)

P.L.McGaughey, W.Loveland, D.J.Morrissey, K.Aleklett, G.T.Seaborg

Uranium Target Fragmentation by Intermediate and High Energy 12C and 20Ne Ions

NUCLEAR REACTIONS 238U(12C, X), E=1, 3, 4.8, 12 GeV; 238U(20Ne, X), E=8, 20 GeV; measured σ(fragment Z, A); deduced σ(A). Nuclear firestreak model, intranuclear cascade model, target fragmentation, fission, spallation.

doi: 10.1103/PhysRevC.31.896
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2549.


1984ES01      Phys.Rev. C29, 2160 (1984)

K.Eskola, P.Eskola, M.M.Fowler, H.Ohm, E.N.Treher, J.B.Wilhelmy, D.Lee, G.T.Seaborg

Production of Neutron-Rich Bi Isotopes by Transfer Reactions

NUCLEAR REACTIONS, ICPND 208Pb(18O, X)211Bi/212Bi/213Bi, 205Tl(18O, X)212Bi/213Bi, 204Hg(18O, X)212Bi, E ≈ 80-180 MeV; measured residuals absolute production σ(E), σ(Eα), 212Bi isomer yield ratio; deduced reaction mechanism. Activation technique. 208Pb(18O, 15N), (18O, 14N), (18O, 13N), (18O, 12N), E ≈ 100-200 MeV; calculated absolute σ(E). Sum rule technique.

RADIOACTIVITY 212,212mBi(β-); [from 208Pb, 205Tl, 204Hg(18O, X), E=5-10 MeV/nucleon]; measured β-delayed Eα, Iα; deduced isomer decay characteristics, level configurations.

doi: 10.1103/PhysRevC.29.2160
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2417.


1984GR15      Radiochim.Acta 35, 1 (1984)

K.E.Gregorich, K.J.Moody, G.T.Seaborg

The Half-Lives of 151Tb and 151Gd and the Absolute Gamma Ray Intensities of 151Gd

RADIOACTIVITY 151Tb(EC), (β+) [from 133Cs(22Ne, 4n), E=94 MeV]; 151Gd(EC) [from 151Tb(EC+β+) decay]; measured Eγ, Iγ. 151Tb deduced T1/2. 151Gd deduced T1/2. 151Eu deduced transition absolute Iγ, γ-branching.

doi: 10.1524/ract.1984.35.1.1
Citations: PlumX Metrics


1984KU18      Phys.Rev. C30, 1561 (1984)

H.Kudo, K.J.Moody, G.T.Seaborg

Mass Distributions in the Reaction of 240 MeV 12C with 197Au

NUCLEAR REACTIONS 197Au(12C, F), E=240 MeV; measured fission fragment mass distribution, production σ for 71As to 204Po isotopes, isomer ratios; deduced charge dispersion width, underlying mechanism. Activation technique.

doi: 10.1103/PhysRevC.30.1561
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2548.


1984LI05      Nucl.Phys. A417, 365 (1984)

Y.F.Liu, K.J.Moody, D.Lee, Y.Morita, G.T.Seaborg, H.R.Von Gunten

The Decay of 251Bk

RADIOACTIVITY 251Bk(β-) [from 248Cm(18O, X), E=97 MeV]; measured β- endpoint energy, T1/2; deduced mass. 251Cf levels deduced Iγ.

doi: 10.1016/0375-9474(84)90402-0
Citations: PlumX Metrics


1984TA14      Phys.Rev. C30, 911 (1984)

S.Tanaka, K.J.Moody, G.T.Seaborg

Transfer Reaction Cross Sections from the Interactions of 20Ne and 22Ne with 232Th

NUCLEAR REACTIONS 232Th(20Ne, X)227Pa/228Pa/229Pa/230Pa/232Pa/233Pa/234Pa/231U/237U/233Np/234Np/236Np/236mNp/238Np, E=114, 129 MeV; 232Th(22Ne, X)229Pa/230Pa/232Pa/233Pa/234Pa/237U/239U/240U/234Np/236mNp/238Np/239Np, E=114 MeV; measured residuals production σ, σ(E). Activation technique.

doi: 10.1103/PhysRevC.30.911
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1983GR22      Nucl.Instrum.Methods 214, 317 (1983)

H.Groening, K.J.Moody, G.T.Seaborg

On the Use of Isomer Ratios in 44Sc for Predicting Spin Populations in High Energy Heavy-Ion Nuclear Reactions

NUCLEAR REACTIONS, ICPND 29Si(18O, 2np), E=30-100 MeV; 41K(α, n), E=8-32 MeV; analyzed isomeric ratio σ(E). 44Sc deduced average spin population.

doi: 10.1016/0167-5087(83)90598-7
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1983JA11      Can.J.Chem. 61, 701 (1983)

B.V.Jacak, W.Loveland, D.J.Morrissey, P.L.McGaughey, G.T.Seaborg

Heavy Target Fragment Yields in the Interaction of 28 GeV Protons with 238U

NUCLEAR REACTIONS 238U(p, X)71As/72As/74As/76As/84Rb/86Y/87Y/87mY/88Zr/89Zr/90Nb/91Sr/92Nb/92mNb/95Zr/95Nb/95Tc/97Zr/99Mo/100Rh/101Rh/101mRh/105Ru/105Rh/106Ag/106mAg/111In/118Sb/118mSb/119Te/119mTe/120Sb/121Te/122Sb/123I/124Sb/124I/125Xe/126Sb/127Sb, E=28 GeV; measured fragment yields, charge dispersion; deduced isobar production σ, reaction mechanism.

doi: 10.1139/v83-130
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1983LE09      Phys.Rev. C27, 2656 (1983)

D.Lee, K.J.Moody, M.J.Nurmia, G.T.Seaborg, H.R.von Gunten, D.C.Hoffman

Excitation Functions for Production of Heavy Actinides from Interactions of 18O with 248Cm and 249Cf

NUCLEAR REACTIONS, ICPND 248Cm(18O, X)245Bk/246Bk/248Bk/248mBk/250Bk/251Bk/246Cf/248Cf/250Cf/252Cf/253Cf/254Cf/252Es/253Es/254Es/254mEs/255Es/252Fm/253Fm/254Fm/255Fm/256Fm, E=97, 104, 113, 122 MeV; 249Cf(18O, X)245Bk/246Bk/248Bk/248mBk/246Cf/248Cf/250Cf/249Es/250Es/251Es/252Es/253Es/254Es/254mEs/250Fm/252Fm/253Fm/254Fm/255Fm/256Fm/256Md/258Md/258mMd/259No, E=91, 97, 104, 113, 122, 150 MeV; measured residuals production σ(E), mass distribution widths. Activation technique.

doi: 10.1103/PhysRevC.27.2656
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1983MO22      Phys.Rev. C28, 2519 (1983)

Y.Morita, W.Loveland, G.T.Seaborg

Target Fragment Angular Distributions for the Interaction of 25.2 GeV 12C with 197Au

NUCLEAR REACTIONS 197Au(12C, X), E=25.2 GeV; measured σ(fragment θ) for X=44mSc, 97Ru, 145Eu, 149Gd, 171Lu. Two-step, firestreak model analyses.

doi: 10.1103/PhysRevC.28.2519
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1982GR20      Nucl.Phys. A389, 80 (1982)

H.Groening, K.Aleklett, K.J.Moody, P.L.McGaughey, W.Loveland, G.T.Seaborg

Isomer Ratio Measurements for the Reaction 29Si(18O, p2n)44m,44gSc

NUCLEAR REACTIONS, ICPND 29Si(18O, 2np), E=30-99 MeV; measured isomer relative σ(E). Enriched targets. Statistical model.

doi: 10.1016/0375-9474(82)90292-5
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1982LE01      Phys.Rev. C25, 286 (1982)

D.Lee, H.von Gunten, B.Jacak, M.Nurmia, Yuan-fang Liu, Cheng Luo, G.T.Seaborg, D.C.Hoffman

Production of Heavy Actinides from Interactions of 16O, 18O, 20Ne, and 22Ne with 248Cm

NUCLEAR REACTIONS 248Cm(16O, X), E=98 MeV; 248Cm(18O, X), E=97 MeV; 248Cm(20Ne, X), E=115 MeV; 248Cm(22Ne, X), E=116 MeV; measured production σ for 245,246,248m,250,251Bk, 246,248,249,250,251,252,253,254Cf, 251,252,253,254m,255Es, 251,252,253,254,255,256Fm, 256Md, 259No; deduced reaction mechanism. Activation technique, radiochemical separation.

doi: 10.1103/PhysRevC.25.286
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1982MO31      Phys.Rev. C 26, 511 (1982)

Y.Morita, W.Loveland, P.L.McGaughey, G.T.Seaborg

Target fragment angular distributions from the interaction of 3.0 GeV and 12.0 GeV 12C with 197Au and 238U

NUCLEAR REACTIONS 197Au(12C, X)89Zr/90Nb/97Ru/123I/145Eu/149Gd/152Tb/155Dy, E=3, 12 GeV; 238U(12C, X)43K/72As/89Zr/99Mo/133I/149Gd, E=3, 12 GeV; measured reaction products, Eγ, Iγ; deduced σ(θ).

doi: 10.1103/PhysRevC.26.511
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1981AL06      Phys.Rev. C23, 1044 (1981)

K.Aleklett, D.J.Morrissey, W.Loveland, P.L.McGaughey, G.T.Seaborg

Energy Dependence of 209Bi Fragmentation in Relativistic Nuclear Collisions

NUCLEAR REACTIONS 209Bi(12C, X), E=4.8, 25.2 GeV; 209Bi(20Ne, X), E=8 GeV; measured Au isotopic distribution; 209Bi deduced energy dependence of fragmentation. Ge(Li) spectrometer. Intranuclear cascade model.

doi: 10.1103/PhysRevC.23.1044
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1981LO01      Phys.Rev. C23, 253 (1981)

W.Loveland, D.J.Morrissey, K.Aleklett, G.T.Seaborg, S.B.Kaufman, E.P.Steinberg, B.D.Wilkins, J.B.Cumming, P.E.Haustein, H.C.Hseuh

Target Residue Recoil Properties in the Interaction of 8.0 GeV 20Ne with 181Ta

NUCLEAR REACTIONS 181Ta(20Ne, X), E=8 GeV; measured target residue recoil vs mass. Thick target, thick catcher technique. Ge(Li) detectors.

doi: 10.1103/PhysRevC.23.253
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1981LO18      Phys.Rev. A 24, 464 (1981)

W.Loveland, C.Luo, P.L.McGaughey, D.J.Morrissey, G.T.Seaborg

Target fragment energies and momenta in the reaction of 4.8 GeV 12C and 5.0 GeV 20Ne with 238U

NUCLEAR REACTIONS 238U(12C, X), E=4.8 GeV; 238U(20Ne, X), E=5 GeV; measured reaction products, Eγ, Iγ. 24Na, 28Mg, 43K, 44,46,48Sc, 48V, 56Mn, 59Fe, 69Zn, 71,72,74,76As, 77,82Br, 81,82,83,86Rb, 87,88,90,92Y, 91Sr, 88,89,95,97Zr, 90,95Nb, 95,96Tc, 93,99Mo, 101,105Rh, 103,105Ru, 111Pd, 106Ag, 115Cd, 111,115In, 117Sn, 117,120,122,124,127Sb, 121,132Te, 124,130,131,132,135I, 135Xe, 132,136Cs, 139,141Ce, 140Ba, 145Eu, 146,149Gd, 151Tb, 167Tm, 169Lu, 185Pt, 198Au, 198Tl, 209At; deduced target fragment kinematic properties.

doi: 10.1103/PhysRevC.24.464
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1980MO08      Phys.Rev. C21, 1783 (1980)

D.J.Morrissey, W.Loveland, M.de Saint Simon, G.T.Seaborg

Target Residues from the Reaction of 8 GeV 20Ne with 181Ta and 197Au

NUCLEAR REACTIONS 181Ta, 197Au(20Ne, X), E=8 GeV; measured production σ for 28Mg, 42K, 44,46,48Sc, 48V, 51Cr, 52,54Mn, 58Co, 59Fe, 65Zn, 72Ga, 72,74,76As, 73,74,75Se, 77Br, 82,83,84Rb, 86,87,88Y, 86,88,89Zr, 90,92Nb, 93Mo, 95,96Tc, 97Ru, 101Rh, 104,106Ag, 110,111In, 118Sb, 119,121Te, 121,123I, 122,125,127Xe, 128,131Ba, 129Cs, 135Ce, 138Pr, 145,146,147Eu, 147,149Gd, 150,151,152,153,155Tb, 155,157Dy, 160,161Er, 165,167Tm, 166,169Yb, 169,170,171,172Lu, 170,171,172,173,175Hf, 173,174,176,177Ta, 181,183Re, 184,185,187,189,190Ir, 188,191Pt, 191,194,196,198Au. γ-spectroscopy, radioanalytical methods. Abrasion-ablation, Monte Carlo cascade models.

doi: 10.1103/PhysRevC.21.1783
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1979MO17      Phys.Rev.Lett. 43, 1139 (1979)

D.J.Morrissey, L.F.Oliveira, J.O.Rasmussen, G.T.Seaborg, Y.Yariv, Z.Fraenkel

Microscopic and Macroscopic Model Calculations of Relativistic Heavy-Ion Fragmentation Reactions

NUCLEAR REACTIONS 12C(40Ar, X), E=213 MeV/nucleon; measured nothing; calculated production σ for O, Fe, Ne. Correlated abrasion-ablation model. Uncorrelated intranuclear cascade model.

doi: 10.1103/PhysRevLett.43.1139
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1979MO27      Nucl.Instrum.Methods 158, 499 (1979)

D.J.Morrissey, D.Lee, R.J.Otto, G.T.Seaborg

Measurement of the product mass distributions from heavy-ion-induced nuclear reactions

NUCLEAR REACTIONS Ag(48Ca, X), E=224 MeV; U(12C, X), E=25.2 GeV; analyzed availble data; deduced data analysis procedures and experimental techniques.

doi: 10.1016/s0029-554x(79)95270-4
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1979WI03      Phys.Rev. C19, 1794 (1979)

K.E.Williams, G.T.Seaborg

New Isotope 242Bk

NUCLEAR REACTIONS 235U(10B, X), (11B, X), 232Th(14N, X), (15N, X), E=63-112 MeV; measured σ(E) for 242Bk, production σ for 238,239,240Am, 240,242Cm, 243Bk.

doi: 10.1103/PhysRevC.19.1794
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1978DE26      Phys.Rev. C18, 1651 (1978)

M.de Saint-Simon, R.J.Otto, G.T.Seaborg

Relative Thresholds for Production of Iodine Isotopes from Fusion and Transfer-Induced Fission Reactions

NUCLEAR REACTIONS 238U(40Ar, F), E=212, 226, 240, 250, 270, 290, 340 MeV; measured σ for iodine isotopes; deduced independent yield for iodine isotopes, relative thresholds for complete fusion, quasielastic transfer.

doi: 10.1103/PhysRevC.18.1651
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1978MO05      Phys.Lett. 74B, 35 (1978)

D.J.Morrissey, W.Loveland, R.J.Otto, G.T.Seaborg

Lowered Fusion Cross Section in the Quadruply Magic Heavy-Ion System 48Ca + 208Pb

NUCLEAR REACTIONS 208Pb(48Ca, X), E=255, 300 MeV; measured fusion σ(A).

doi: 10.1016/0370-2693(78)90052-7
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1978MO15      Phys.Rev. C18, 1267 (1978)

D.J.Morrissey, W.R.Marsh, R.J.Otto, W.Loveland, G.T.Seaborg

Target Residue Mass and Charge Distributions in Relativistic Heavy Ion Reactions

NUCLEAR REACTIONS 238U, 208Pb, 197Au, Ag, Cu(12C, X), E=25.2 GeV; calculated σ(A, Z).

doi: 10.1103/PhysRevC.18.1267
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1978MO26      Z.Phys. A289, 123 (1978)

D.J.Morrissey, W.Loveland, G.T.Seaborg

Implications of the Target Residue Mass and Charge Distributions in the Interaction of 8.0 GeV 20Ne with 181Ta

NUCLEAR REACTIONS Ta(20Ne, X), E=8.0 GeV; measured target residue mass, charge distributions, σ(production). Radioanalytic method. Comparison with abraison-ablation model.

doi: 10.1007/BF01408505
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1978OT02      Phys.Rev. C17, 1071 (1978)

R.J.Otto, G.T.Seaborg, M.M.Fowler

Recoil Range Distributions of Heavy Mass Products in Deep Inelastic Reactions with Gold and Uranium Targets

NUCLEAR REACTIONS 197Au(86Kr, X), E=420, 491, 581 MeV; 197Au(136Xe, X), E=868 MeV; 238U(86Kr, X), E=686 MeV; measured σ(Z, θ).

doi: 10.1103/PhysRevC.17.1071
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1978OT03      J.Inorg.Nucl.Chem. 40, 589 (1978)

R.J.Otto, D.J.Morrissey, D.Lee, A.Ghiorso, J.M.Nitschke, G.T.Seaborg, M.M.Fowler, R.J.Silva

A Search for Superheavy Elements with Half-Lives between a Few Minutes and Several Hundred Days, Produced in the 48Ca + 248Cm Reaction

NUCLEAR REACTIONS 248Cm(48Ca, X), E=255 MeV; measured SF activity; deduced no superheavy yield.

doi: 10.1016/0022-1902(78)80372-8
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1978OT04      Z.Phys. A287, 97 (1978)

R.J.Otto, D.J.Morrissey, G.T.Seaborg, W.D.Loveland

Large Contribution of Deep Inelastic Processes to Reactions of 40Ar and 48Ca with 238U

NUCLEAR REACTIONS 238U(48Ca, X), E=276 MeV; 238U(40Ar, X), E=250 MeV; 197Au(40Ar, X), E=259 MeV; measured differential recoil range distributions.

doi: 10.1007/BF01408365
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1977HU04      Phys.Rev.Lett. 39, 385 (1977)

E.K.Hulet, R.W.Lougheed, J.F.Wild, J.H.Landrum, P.C.Stevenson, A.Ghiorso, J.M.Nitschke, R.J.Otto, D.J.Morrissey, P.A.Baisden, B.F.Gavin, D.Lee, R.J.Silva, M.M.Fowler, G.T.Seaborg

Search for Superheavy Elements in the Bombardment of 248Cm with 48Ca

NUCLEAR REACTIONS 248Cm(48Ca, X), E=267 MeV; measured σ for formation of superheavy elements.

doi: 10.1103/PhysRevLett.39.385
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1977LO09      Phys.Rev.Lett. 39, 320 (1977)

W.Loveland, R.J.Otto, D.J.Morrissey, G.T.Seaborg

Large Collision Residues and Nuclear Fission in the Interaction of 25.2-GeV 12C with Uranium

NUCLEAR REACTIONS U(12C, X), E=25.2 GeV; measured σ(A).

doi: 10.1103/PhysRevLett.39.320
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1977LO11      Phys.Lett. 69B, 284 (1977)

W.Loveland, R.J.Otto, D.J.Morrissey, G.T.Seaborg

Further Studies of Large Collision Residues in Relativistic Heavy-Ion Reactions with Heavy Nuclei

NUCLEAR REACTIONS 197Au, Pb(12C, X), E=25.2 GeV; measured σ(A).

doi: 10.1016/0370-2693(77)90546-9
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1977OT01      Radiochim.Acta 24, 3 (1977)

R.J.Otto, A.Ghiorso, D.Lee, R.E.Leber, S.Yashita, G.T.Seaborg

Search of Superheavy Elements Produced in the 136Xe + 238U Reaction and an Upper Limit Cross Section for the Gd(136Xe, X)212Pb Reaction

NUCLEAR REACTIONS Gd(136Xe, X), E=1150 MeV; measured reaction products; deduced upper limit σ for production of 212Pb; 238U(136Xe, X), E=1150 MeV; measured reaction products; deduced spontaneous fission energy spectrum, lack of superheavy element production.

doi: 10.1524/ract.1977.24.1.3
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1976KR08      Phys.Rev. C13, 2347 (1976)

J.V.Kratz, J.O.Liljenzin, A.E.Norris, G.T.Seaborg

Charge and Mass Distributions in the Reaction of 40Ar Ions with 238U

NUCLEAR REACTIONS 238U(40Ar, X), E ≤ 288 MeV; measured σ(Z, A); deduced charge, mass distributions, σ for quasi-elastic transfer, deep inelastic transfer, fusion, fission.

doi: 10.1103/PhysRevC.13.2347
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1976OT01      Phys.Rev.Lett. 36, 135 (1976)

R.J.Otto, M.M.Fowler, D.Lee, G.T.Seaborg

Mass Yield Distributions in the Reaction of 136Xe Ions with 238U

NUCLEAR REACTIONS 238U(136Xe, X), E=1150 MeV; measured mass yields for 131 nuclides; deduced upper limit for fusion σ.

doi: 10.1103/PhysRevLett.36.135
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1974GH04      Phys.Rev.Lett. 33, 1490 (1974)

A.Ghiorso, J.M.Nitschke, J.R.Alonso, C.T.Alonso, M.Nurmia, G.T.Seaborg, E.K.Hulet, R.W.Lougheed

Element 106

NUCLEAR REACTIONS 249Cf(18O, X)263Sg, E=95 MeV; measured reaction products, Eα, Iα; deduced σ.

RADIOACTIVITY 263Sg(α); measured decay products, Eα, Iα; deduced T1/2.

doi: 10.1103/PhysRevLett.33.1490
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1974KR11      Phys.Rev.Lett. 33, 502 (1974)

J.V.Kratz, A.E.Norris, G.T.Seaborg

Mass-Yield Distributions in the Reaction of 84Kr Ions with 238U

NUCLEAR REACTIONS 238U(84Kr, X), E=605 MeV; measured σ(fragment mass).

doi: 10.1103/PhysRevLett.33.502
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1972SE22      Proc.U.N.-I.A.E.A.Int.Conf.Peaceful Uses At.Energy, 4th, Geneva (1971), United Nations, New York, Intern.At.En.Agency, Vienna, Vol.7, p.487 (1972)

G.T.Seaborg, J.L.Crandall, P.R.Fields, A.Ghiorso, O.L.Keller, Jr., R.A.Penneman

Recent Advances in the United States of America on the Transuranium Elements


1970SE13      Nucleus (Lahore) 7, 86 (1970)

G.T.Seaborg

Do the Superheavy Elements Already Exist (Question)


1966VI03      J.Inorg.Nucl.Chem. 28, 697 (1966)

V.E.Viola, Jr., G.T.Seaborg

Nuclear Systematics of the Heavy Elements - I. Energetics and Masses

doi: 10.1016/0022-1902(66)80411-6
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1966VI04      J.Inorg.Nucl.Chem. 28, 741 (1966)

V.E.Viola, Jr., G.T.Seaborg

Nuclear Systematics of the Heavy Elements - II. Lifetimes for Alpha, Beta and Spontaneous Fission Decay

doi: 10.1016/0022-1902(66)80412-8
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1964HY02      The Nuclear Properties of the Heavy Elements, Vol.II, Prentice-Hall, Inc., Englewood Cliffs, N.J. (1964)

E.K.Hyde, I.Perlman, G.T.Seaborg


1964HY04      The Nuclear Properties of the Heavy Elements, Vol.I, Prentice-Hall, Inc., Englewood Cliffs, N.J.(1964)

E.K.Hyde, I.Perlman, G.T.Seaborg


1963VI08      Phys.Rev. 129, 2710 (1963)

V.E.Viola, T.D.Thomas, G.T.Seaborg

Angular Distribution of Fragments from Fission Induced by Heavy Ions in Gold and Bismuth

NUCLEAR REACTIONS 197Au(14N, F), 208Bi(16O, F), E<10.2 MeV/nucleon; measured fission fragments; deduced σ(θ), model parameters.

doi: 10.1103/PhysRev.129.2710
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1962TH08      Phys.Rev. 126, 1805 (1962)

T.D.Thomas, G.E.Gordon, R.M.Latimer, G.T.Seaborg

Spallation-Fission Competition in Astatine Compound Nuclei Formed by Heavy-Ion Bombardments

NUCLEAR REACTIONS 197Au(12C, X), Pt(14N, X)202At/203At/204At/205At/206At/207At/208At/211At/208Po/211Po, E=10.4 MeV/nucleon; measured reaction products; deduced σ, α-decay T1/2. Comparison with available data.

doi: 10.1103/PhysRev.126.1805
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1960DI03      Phys.Rev. 119, 2000 (1960)

H.Diamond, P.R.Fields, C.S.Stevens, M.H.Studier, S.M.Fried, M.G.Inghram, D.C.Hess, G.L.Pyle, J.F.Mech, W.M.Manning, A.Ghiorso, S.G.Thompson, G.H.Higgins, G.T.Seaborg, C.I.Browne, H.L.Smith, and R.W.Spence

Heavy Isotope Abundances in Mike Thermonuclear Device

NUCLEAR REACTIONS 235,238U(n, γ)239U/240U/241U/242U/243U/244U/245U/246U/247U/248U/249U/250U/251U/252U/253U/254U/255U, E fast; measured reaction products mass spectrometrically and radiometrically; deduced isotopic abundances.

doi: 10.1103/PhysRev.119.2000
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1960GO39      Phys.Rev. 120, 1341 (1960)

G.E.Gordon, A.E.Larsh, T.Sikkeland, G.T.Seaborg

Fission of Gold by Carbon Ions

NUCLEAR REACTIONS 197Au(12C, F), E=68, 124 MeV; measured reaction products, TOF; deduced relative σ(θ), σ.

doi: 10.1103/PhysRev.120.1341
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1959FO66      Phys.Rev. 116, 382 (1959)

B.M.Foreman, Jr., W.M.Gibson, R.A.Glass, G.T.Seaborg

Spallation-Fission Competition in Heavy-Element Reactions: Th232+He4 and U233+d

NUCLEAR REACTIONS 233U(d, n), (d, 2n), (d, 3n), (d, αn), (d, F), E=9-24 MeV; 232Th(α, 4n), (α, 5n), (α, p), (α, pn), (α, p2n), (α, p3n), (α, 2p), (α, 2pn), (α, αn), (α, F), E=15-46 MeV; measured σ(E); deduced thresholds.

doi: 10.1103/PhysRev.116.382
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1958GH39      Phys.Rev.Letters 1, 17 (1958)

A.Ghiorso, T.Sikkeland, J.R.Walton, G.T.Seaborg

Attempts to Confirm the Existence of the 10-Minute Isotope of 102

doi: 10.1103/PhysRevLett.1.17
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1958GH40      Phys.Rev.Letters 1, 18 (1958)

A.Ghiorso, T.Sikkeland, J.R.Walton, G.T.Seaborg

Element 102

doi: 10.1103/PhysRevLett.1.18
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1958ST50      Revs.Modern Phys. 30, 585 (1958)

D.Strominger, J.M.Hollander, G.T.Seaborg

Table of Isotopes

doi: 10.1103/RevModPhys.30.585
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1958VA38      Phys.Rev. 111, 1358 (1958)

R.Vandenbosch, T.D.Thomas, S.E.Vandenbosch, R.A.Glass, G.T.Seaborg

Spallation-Fission Competition in Heaviest Element; Helium-Ion-Induced Reactions in Uranium Isotopes

doi: 10.1103/PhysRev.111.1358
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1958VA39      Phys.Rev. 110, 507 (1958)

R.Vandenbosch, G.T.Seaborg

Considerations on the Probability of Nuclear Fission

NUCLEAR REACTIONS 226Ra(α, 4n)226Th, E=35.6-45.5 MeV; 230Th(α, 4n)230U, E=38.0-44.2 MeV; 236U(α, 4n)236Pu, E=34.5-45.6 MeV; measured reaction products, Eα, Iα; deduced σ.

doi: 10.1103/physrev.110.507
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1957HY90      Handbuch der Physik 42, Nuclear Reactions III, S.Flugge, Ed., Springer-Verlag, Gottingen, p.205(1957)

E.K.Hyde, G.T.Seaborg

The Transuranium Elements


1957TH10      Phys.Rev. 106, 1228 (1957)

T.D.Thomas, R.Vandenbosch, R.A.Glass, G.T.Seaborg

Decay Properties of Pu235, Pu237, and a New Isotope Pu233

doi: 10.1103/PhysRev.106.1228
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1957WA48      Phys.Rev. 107, 1311 (1957)

W.H.Wade, J.Gonzalez-Vidal, R.A.Glass, G.T.Seaborg

Spallation-Fission Competition in Heaviest Elements: Triton Production

NUCLEAR REACTIONS 197Au, 232Th, 238U(α, t), E=48 MeV; 197Au, 232Th, 238U(d, t), E=24 MeV; 197Au, 232Th, 238U(p, t), E=32 MeV; measured reaction products; deduced triton production σ.

doi: 10.1103/PhysRev.107.1311
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetB0080.


1956FI11      Phys.Rev. 102, 180 (1956)

P.R.Fields, M.H.Studier, H.Diamond, J.F.Mech, M.G.Inghram, G.L.Pyle, C.M.Stevens, S.Fried, W.M.Manning, A.Ghiorso, S.G.Thompson, G.H.Higgins, G.T.Seaborg

Transplutonium Elements in Thermonuclear Test Debris

doi: 10.1103/PhysRev.102.180
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14655.


1956GL80      Phys.Rev. 104, 434 (1956)

R.A.Glass, R.J.Carr, J.W.Cobble, G.T.Seaborg

Spallation-Fission Competition in Heaviest Elements; Helium-Ion-Induced Reactions in Plutonium Isotopes

doi: 10.1103/PhysRev.104.434
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2296.


1956ME96      J.Inorg.Nucl.Chem. 3, 69 (1956)

W.W.Meinke, G.C.Wick, G.T.Seaborg

High-energy excitation functions in the heavy region

NUCLEAR REACTIONS 232Th(p, 6n), (p, 3n), (p, 8nα), E, 346 MeV; measured reaction products, Eγ, Iγ; deduced σ. Target foils sandwiched with copper metal.

doi: 10.1016/0022-1902(56)80071-7
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetP0047.


1955FO18      Phys.Rev. 98, 107 (1955)

R.L.Folger, P.C.Stevenson, G.T.Seaborg

High-Energy Proton Spallation-Fission of Uranium

doi: 10.1103/PhysRev.98.107
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0372.


1955GH01      Phys.Rev. 99, 1048 (1955)

A.Ghiorso, S.G.Thompson, G.H.Higgins, G.T.Seaborg, M.H.Studier, P.R.Fields, S.M.Fried, H.Diamond, J.F.Mech, G.L.Pyle, J.R.Huizenga, A.Hirsch, W.M.Manning, C.I.Browne, H.L.Smith, R.W.Spence

New Elements Einsteinium and Fermium, Atomic Numbers 99 and 100

RADIOACTIVITY 253Cf, 255Es(β-); measured decay products, Eα, Iα; deduced T1/2, element names.

doi: 10..1103/PhysRev.99.1048
Citations: PlumX Metrics


1955GH02      Phys.Rev. 98, 1518 (1955)

A.Ghiorso, B.G.Harvey, G.R.Choppin, S.G.Thompson, G.T.Seaborg

New Element Mendelevium, Atomic Number 101

NUCLEAR REACTIONS 253Es(He, X)256Md, E=48 MeV; measured reaction products, Eα, Iα; deduced a new Z=101 element in recognition of the pioneering role of the great Russian chemist, Dmitri Mendeleev, who was the first to use the periodic system of the elements to predict the chemical properties of undiscovered elements, a principle which has been the key to the discovery of the last seven transuranium (actinide) elements.

RADIOACTIVITY 256Md(α); measured decay products, Eα, Iα; deduced T1/2.

doi: 10.2172/914464
Citations: PlumX Metrics


1955NE01      Phys.Rev. 97, 1092 (1955)

W.E.Nervik, G.T.Seaborg

Tantalum Spallation and Fission Induced by 340-MeV Protons

RADIOACTIVITY 107mRh; 160Er(EC), 160Ho, 167Yb(EC), (β+) [from Ta(p, X), (p, F), E=340 MeV]; measured T1/2. Activation technique.

NUCLEAR REACTIONS Ta(p, X), (p, F), E=340 MeV; measured spallation, fission fragment yield vs mass; deduced most probable fragment, fissionable nucleus masses, spallation reaction mechanism.

doi: 10.1103/PhysRev.97.1092
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0353.


1955NE03      Phys.Rev. 97, 1092 (1955); see keynumber 1955NE01

W.E.Nervik, G.T.Seaborg

Tantalum Spallation and Fission Induced by 340-MeV Protons

doi: 10.1103/PhysRev.97.1092
Citations: PlumX Metrics


1954GH25      Phys.Rev. 95, 293 (1954)

A.Ghiorso, S.G.Thompson, G.H.Higgins, B.G.Harvey, G.T.Seaborg

Evidence for Subshell at N = 152

RADIOACTIVITY 244,246,248,249,250,252Cf, Pu, Am, Cm, Bk, Es, Fm(α); analyzed available data; deduced α-particle energy vs. mass number systematics, N=152 subshell.

doi: 10.1103/PhysRev.95.293
Citations: PlumX Metrics


1953DU21      Phys.Rev. 92, 206 (1953)

D.C.Dunlavey, G.T.Seaborg

Alpha Activity of Sm146 as Detected with Nuclear Emulsions

doi: 10.1103/PhysRev.92.206
Citations: PlumX Metrics


1953HO01      Revs.Modern Phys. 25, 469 (1953)

J.M.Hollander, I.Perlman, G.T.Seaborg

Table of Isotopes

doi: 10.1103/RevModPhys.25.469
Citations: PlumX Metrics


1953SE31      Phys.Rev. 92, 1074 (1953)

G.T.Seaborg

Evidence for Subshell at Z = 96

NUCLEAR STRUCTURE 212,214,216,218Po, 220,222Rn, 222,224,226Ra, 226,228,230,232Th, 230,232,234,236,238U, 238,240,242Pu, 242,244Cm, 246,248Cf; analyzed available data; deduced nuclear radii vs. Z systematics, Z=96 subshell.

doi: 10.1103/PhysRev.92.1074
Citations: PlumX Metrics


1952DU02      Phys.Rev. 85, 757A (1952); See Also 52Du04

D.C.Dunlavey, G.T.Seaborg

Alpha Activity in Bi203 as Detected with Nuclear Emulsions

doi: 10.1103/PhysRev.85.757A
Citations: PlumX Metrics


1952DU12      Phys.Rev. 87, 165 (1952)

D.C.Dunlavey, G.T.Seaborg

Investigations of Complex Structure in Alpha-Emission with Nuclear Emulsions

doi: 10.1103/PhysRev.87.165
Citations: PlumX Metrics


1952GH27      Phys.Rev. 87, 163 (1952)

A.Ghiorso, G.H.Higgins, A.E.Larsh, G.T.Seaborg, S.G.Thompson

Spontaneous Fission of U234, Pu236, Cm240, and Cm244

doi: 10.1103/PhysRev.87.163
Citations: PlumX Metrics


1952JE06      Phys.Rev. 85, 758A (1952)

W.A.Jenkins, G.T.Seaborg

The Production and Assignment of Ra230 and Ac230

NUCLEAR REACTIONS 232Th(d, X)230Ra/230Ac, E=180 MeV; measured reaction products, Eβ, Iβ; deduced T1/2, β-decay energies. Comparison with available data.

doi: 10.1103/PhysRev.85.751
Citations: PlumX Metrics


1952ME13      Phys.Rev. 85, 429 (1952)

W.W.Meinke, A.Ghiorso, G.T.Seaborg

Further Work on Heavy Collateral Radioactive Chains

doi: 10.1103/PhysRev.85.429
Citations: PlumX Metrics


1952SE68      Phys.Rev. 85, 157 (1952)

G.T.Seaborg

Some Comments on the Mechanism of Fission

RADIOACTIVITY 230,232Th, 231Pa, 232,233,234,235,238U, 237,239Np, 238,239Pu, 241Am, 242Cm(SF); analyzed available data; deduced T1/2 vs. Z2/A systematics.

doi: 10.1103/PhysRev.85.157.2
Citations: PlumX Metrics


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