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NSR database version of April 27, 2024.

Search: Author = G.T.Seaborg

Found 174 matches.

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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
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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, T_1/2.

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 T_1/2. 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
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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
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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 T_1/2. ¹⁵¹Gd deduced T_1/2. ¹⁵¹Eu deduced transition absolute Iγ, γ-branching.

doi: 10.1524/ract.1984.35.1.1
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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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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, T_1/2; deduced mass. ²⁵¹Cf levels deduced Iγ.

doi: 10.1016/0375-9474(84)90402-0
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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,250,251}Bk, ^{246,248,249,250,251,252,253,254}Cf, ^{251,252,253,254m,255}Es, ^{251,252,253,254,255,256}Fm, 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, ^{117,120,122,124,127}Sb, ^121,132Te, ^{124,130,131,132,135}I, 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, ^{150,151,152,153,155}Tb, ^155,157Dy, ^160,161Er, ^165,167Tm, ^166,169Yb, ^{169,170,171,172}Lu, ^{170,171,172,173,175}Hf, ^{173,174,176,177}Ta, ^181,183Re, ^{184,185,187,189,190}Ir, ^188,191Pt, ^{191,194,196,198}Au. 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 T_1/2.

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 T_1/2. 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
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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
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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
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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
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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
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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 T_1/2, element names.

doi: 10..1103/PhysRev.99.1048
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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 T_1/2.

doi: 10.2172/914464
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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 T_1/2. 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
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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
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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 ^{244,246,248,249,250,252}Cf, 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
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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
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1953HO01      Revs.Modern Phys. 25, 469 (1953)

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

Table of Isotopes

doi: 10.1103/RevModPhys.25.469
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1953SE31      Phys.Rev. 92, 1074 (1953)

G.T.Seaborg

Evidence for Subshell at Z = 96

NUCLEAR STRUCTURE ^{212,214,216,218}Po, ^220,222Rn, ^222,224,226Ra, ^{226,228,230,232}Th, ^{230,232,234,236,238}U, ^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
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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
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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
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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
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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 T_1/2, β-decay energies. Comparison with available data.

doi: 10.1103/PhysRev.85.751
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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
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1952SE68      Phys.Rev. 85, 157 (1952)

G.T.Seaborg

Some Comments on the Mechanism of Fission

RADIOACTIVITY ^230,232Th, ²³¹Pa, ^{232,233,234,235,238}U, ^237,239Np, ^238,239Pu, ²⁴¹Am, ²⁴²Cm(SF); analyzed available data; deduced T_1/2 vs. Z²/A systematics.

doi: 10.1103/PhysRev.85.157.2
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Note: The following list of authors and aliases matches the search parameter G.T.Seaborg: , G.T.SEABORG