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NSR database version of April 27, 2024.

Search: Author = S.G.Thompson

Found 82 matches.

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1976BA08      Nucl.Phys. A258, 172 (1976)

R.Babinet, L.G.Moretto, J.Galin, R.Jared, J.Moulton, S.G.Thompson

Diffusion Processes in the Relaxed Cross Section for the Reaction ^107,109Ag + ²⁰Ne

NUCLEAR REACTIONS ^107,109Ag(²⁰Ne, X), E=175, 252 MeV; measured σ(E, Z, θ), Z ≤ 32.

doi: 10.1016/0375-9474(76)90538-8
Citations: PlumX Metrics

1976MO05      Nucl.Phys. A259, 173 (1976)

L.G.Moretto, J.Galin, R.Babinet, Z.Fraenkel, R.Schmitt, R.Jared, S.G.Thompson

Potential Energy Effects and Diffusion in the Relaxed Components of the Reaction ¹⁹⁷Au + ⁴⁰Ar at 288 and 340 MeV Bombarding Energies

NUCLEAR REACTIONS ¹⁹⁷Au(⁴⁰Ar, X), E=288, 340 MeV; measured σ(E(fragment Z), θ), Z ≤ 32.

doi: 10.1016/0375-9474(76)90502-9
Citations: PlumX Metrics

1975GA21      Nucl.Phys. A255, 472 (1975)

J.Galin, L.G.Moretto, R.Babinet, R.Schmitt, R.Jared, S.G.Thompson

Evidence of Incomplete Relaxation in the Reaction Ag+⁴⁰Ar at 288 and 340 MeV Bombarding Energies

NUCLEAR REACTIONS ^107,109Ag(⁴⁰Ar, X), E=288, 340 MeV; measured σ(E(fragment mass), θ), Z ≤ 30.

doi: 10.1016/0375-9474(75)90694-6
Citations: PlumX Metrics

1975MO25      Phys.Lett. 58B, 31 (1975)

L.G.Moretto, R.P.Babinet, J.Galin, S.G.Thompson

Experimental Evidence of a Diffusion Process Associated with the Mass Asymmetry Degree of Freedom in Heavy Ion Reactions

NUCLEAR REACTIONS ^107,109Ag(¹⁴N, X), E=160 MeV; ^107,109Ag(²⁰Ne, X), E=252 MeV; ^107,109Ag(⁴⁰Ar, X), E=228 MeV; measured σ(fragment mass, θ).

doi: 10.1016/0370-2693(75)90719-4
Citations: PlumX Metrics

1975MO30      Nucl.Phys. A255, 491 (1975)

L.G.Moretto, S.K.Kataria, R.C.Jared, R.Schmitt, S.G.Thompson

Intermediate Mass Fragments Emitted in the Reaction Ag+¹⁴N at 100, 160 and 250 MeV Bombarding Energy

NUCLEAR REACTIONS ^107,109Ag(¹⁴N, X), E=100, 160, 250 MeV; measured σ(E(fragment mass), θ), Z ≤ 17.

doi: 10.1016/0375-9474(75)90695-8
Citations: PlumX Metrics

1975NA03      Nucl.Phys. A237, 419 (1975)

E.Nardi, L.G.Moretto, S.G.Thompson

Statistical Decay of Gamma Rays in (n(th), γ) Reactions

NUCLEAR STRUCTURE Z=69-197; calculated isomer production ratios for thermal neutron capture.

doi: 10.1016/0375-9474(75)90408-X
Citations: PlumX Metrics

1973NA02      Phys.Lett. 43B, 259 (1973)

E.Nardi, L.G.Moretto, S.G.Thompson

Calculations of Neutron Evaporation from ²⁵²Cf Fission Fragments Based On the Shell Model

NUCLEAR STRUCTURE ²⁵²Cf; calculated neutron evaporation.

doi: 10.1016/0370-2693(73)90434-6
Citations: PlumX Metrics

1972CH39      Phys.Rev. C6, 1348 (1972)

E.Cheifetz, R.C.Jared, E.R.Giusti, S.G.Thompson

Search for Superheavy Elements in Nature

doi: 10.1103/PhysRevC.6.1348
Citations: PlumX Metrics

1972MO10      Phys.Lett. 38B, 471 (1972)

L.G.Moretto, S.G.Thompson, J.Routti, R.C.Gatti

Influence of Shells and Pairing on the Fission Probabilities of Nuclei Below Radium

NUCLEAR STRUCTURE, Fission ²¹³At, ²¹²Po, ²¹¹Po, ²⁰⁹Bi, ²⁰⁷Bi, ²⁰¹Tl, ¹⁹⁸Hg, ¹⁹¹Ir, ¹⁸⁹Ir, ^186,187,188Os, ¹⁸⁵Re, ¹⁷⁹Ta, ¹⁷³Lu; analyzed fission probabilities; deduced fission barriers.

doi: 10.1016/0370-2693(72)90519-9
Citations: PlumX Metrics

1972WI15      Phys.Rev. C5, 2041 (1972)

J.B.Wilhelmy, E.Cheifetz, R.C.Jared, S.G.Thompson, H.R.Bowman, J.O.Rasmussen

Angular Momentum of Primary Products Formed in the Spontaneous Fission Of ²⁵²Cf

RADIOACTIVITY, Fission ²⁵²Cf(SF); measured (fragment)(fragment)(γ)-, (fragment)(fragment)(γ)(γ)-, (fragment)(fragment)(X)(γ)-coin, γγ-coin, Iγ(θ); deduced angular momentum of primary products. ^100,102Zr, ^104,106Mo, ^108,110,112Ru, ^112,114,116Pd, ¹¹⁸Cd, ^138,140Xe, ^142,144,146Ba, ^146,148,150Ce, ^152,154Nd, ¹⁵⁸Sm; measured Iγ.

doi: 10.1103/PhysRevC.5.2041
Citations: PlumX Metrics

1971CH14      Phys.Rev. C3, 2017 (1971)

E.Cheifetz, H.R.Bowman, J.B.Hunter, S.G.Thompson

Prompt Neutrons from Spontaneous Fission of ²⁵⁷Fm

RADIOACTIVITY, Fission ²⁵⁷Fm(SF); measured average prompt neutron number.

doi: 10.1103/PhysRevC.3.2017
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10140.

1971CH44      Phys.Rev. C4, 1913 (1971)

E.Cheifetz, J.B.Wilhelmy, R.C.Jared, S.G.Thompson

Determination of the Charge and Mass Distribution in the Fission of ²⁵²Cf

RADIOACTIVITY, Fission ²⁵²Cf; measured mass, charge distributions.

doi: 10.1103/PhysRevC.4.1913
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12691.

1970CH11      Phys.Rev.Lett. 25, 38 (1970)

E.Cheifetz, R.C.Jared, S.G.Thompson, J.B.Wilhelmy

Experimental Information Concerning Deformation of Neutron Rich Nuclei In the A Approx. 100 Region

RADIOACTIVITY, Fission ²⁵²Cf(SF); measured (fragment)(fragment)(X)-, (fragment)(fragment)(γ)-, γγ-, X(K)γ-coin. ⁹⁶Sr, ^100,102Zr, ^102,104,106Mo, ^108,110,112Ru, ^112,114,116Pd; measured Eγ, Iγ; deduced levels, T_1/2, B(E2).

doi: 10.1103/PhysRevLett.25.38
Citations: PlumX Metrics

1970WA05      Nucl.Phys. A141, 449 (1970)

R.L.Watson, J.B.Wilhelmy, R.C.Jared, C.Rugge, H.R.Bowman, S.G.Thompson, J.O.Rasmussen

A Study of the Low-Energy Transitions Arising from the Prompt de-Excitation of Fission Fragments

RADIOACTIVITY, Fission ²⁵²Cf(SF); measured E(ce), I(ce), E(X-ray), I(X-ray), I(ce)(t), (fragment)(fragment)(ce)(X)-coin. ¹⁰²Zr, ¹⁰⁶Mo, ^108,109Tc, ¹¹⁰Ru, ¹¹⁶Rh, ¹⁴⁰Cs, ¹⁴⁴Ba, ¹⁴⁶La, ¹⁴⁸Ce, ^149,150Pr; measured E(ce), I(ce); deduced Eγ, K/L, T_1/2 (level). Detector - Si(Li), Si(P) fragment detectors.

doi: 10.1016/0375-9474(70)90982-6
Citations: PlumX Metrics

1970WA12      Phys.Rev. C1, 1866 (1970)

R.L.Watson, R.C.Jared, S.G.Thompson

Distribution of K X-Rays as a Function of Mass and Atomic Number in the Spontaneous Fission of ²⁵²Cf

RADIOACTIVITY, Fission ²⁵²Cf(SF); measured (fission fragment)(K X-ray)-coin; deduced I(K X-ray)(A, Z).

doi: 10.1103/PhysRevC.1.1866
Citations: PlumX Metrics

1970WI16      Phys.Rev.Lett. 25, 1122 (1970)

J.B.Wilhelmy, S.G.Thompson, R.C.Jared, E.Cheifetz

Ground-State Bands in Neutron-Rich Even Te, Xe, Ba, Ce, Nd, and Sm Isotopes Produced in the Fission of ²⁵²Cf

RADIOACTIVITY, Fission ²⁵²Cf(SF); measured (fragment)(fragment)(X)-, (fragment)(fragment)(X)(γ)-coin. ^132,134Te, ^138,140Xe, ^{140,142,144,146}Ba, ^{144,146,148,150}Ce, ^152,154Nd, ^156,158Sm; measured Eγ, Iγ; deduced levels, T_1/2, B(E2).

doi: 10.1103/PhysRevLett.25.1122
Citations: PlumX Metrics

1969MO39      Phys.Rev. 179, 1176 (1969)

L.G.Moretto, R.C.Gatti, S.G.Thompson, J.T.Routti, J.H.Heisenberg, L.M.Middleman, M.R.Yearian, R.Hofstadter

Electron- and Bremsstrahlung-Induced Fission of Heavy and Medium-Heavy Nuclei

NUCLEAR REACTIONS ¹⁵⁴Sm(γ, f), ²⁰⁹Bi(γ, f), E=49.8-421 MeV; measured products; deduced σ, σ(E). Data were imported from EXFOR entry L0090.

doi: 10.1103/PhysRev.179.1176
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0090.

1966AS06      Priv.Comm., quoted by 1967LE24, unpublshed (1966)

F.Asaro, M.C.Michel, S.G.Thompson, I.Perlman

1966WA01      Proc.Intern.Conf.Internal Conversion Process, Nashville, Tenn. (1965), J.H.Hamilton, Ed., Academic Press, Inc., New York, p.423 (1966)

R.L.Watson, H.R.Bowman, S.G.Thompson, J.O.Rasmussen

Internal Conversion Electrons from Primary Fission Fragments

NUCLEAR STRUCTURE ²⁵²Cf; measured not abstracted; deduced nuclear properties.

1964AS08      Compt.Rend.Congr.Intern.Phys.Nucl., Paris, P.Gugenberger, Ed., Centre National de la Recherche Scientifique, Paris, Vol.II, p.564(1964)

F.Asaro, M.C.Michel, S.G.Thompson, I.Perlman

Coriolis Interactions in Odd-Odd Nuclei: Am²⁴²m Alpha Decay

NUCLEAR STRUCTURE ²⁴²Am; measured not abstracted; deduced nuclear properties.

1964BU15      Phys.Rev. 134, B952 (1964)

D.S.Burnett, R.C.Gatti, F.Plasil, P.B.Price, W.J.Swiatecki, S.G.Thompson

Fission Barrier of Thallium-201

NUCLEAR REACTIONS, Fission ¹⁹⁷Au(α, F), E=25-40 MeV; measured σ(E;E(fragment)). ²⁰¹Tl deduced fission barrier.

doi: 10.1103/PhysRev.134.B952
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2466.

1964CO15      UCRL-11213, p. 20 (1964)

J.A.Cooper, R.Gatti, J.O.Rasmussen, S.G.Thompson

Antimony-131 Gamma Spectrum

NUCLEAR STRUCTURE ¹³¹Sb; measured not abstracted; deduced nuclear properties.

1964CO30      J.Inorg.Nucl.Chem. 26, 2041 (1964)

J.A.Cooper, R.C.Gatti, J.O.Rasmussen, S.G.Thompson

γ-Ray Spectrum of Sb¹³¹

NUCLEAR STRUCTURE ¹³¹Sb; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(64)80147-0
Citations: PlumX Metrics

1964FR10      Phys.Rev.Lett. 13, 438 (1964)

Z.Fraenkel, S.G.Thompson

Properties of the Alpha Particles Emitted in the Spontaneous Fission of Cf²⁵²

RADIOACTIVITY ²⁵²Cf(SF); measured decay products, Eα, Iα; deduced α particles kinetic energy, angular distributions.

doi: 10.1103/PhysRevLett.13.438
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14578.

1963BO45      Phys.Rev. 129, 2133 (1963)

H.R.Bowman, J.C.D.Milton, S.G.Thompson, W.J.Swiatecki

Further Studies of the Prompt Neutrons from the Spontaneous Fission of Cf²⁵²

RADIOACTIVITY ²⁵²Cf(SF); measured decay products, neutron and fission fragments TOF; deduced neutron density distributions, number of neutrons per fragment as a fragment mass, the average c.m. neutron and fragment kinetic energies, nuclear temperature. Comparison with available data and calculations.

doi: 10.1103/PhysRev.129.2133
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14065.

1963BR35      Phys.Rev. 131, 2617 (1963)

R.Brandt, S.G.Thompson, R.C.Gatti, L.Phillips

Mass and Energy Distributions in the Spontaneous Fission of Some Heavy Isotopes

RADIOACTIVITY ²⁴⁸Cm, ^250,252,254Cf, ²⁵³Es, ²⁵⁴Fm(SF); measured decay products; deduced energy and mass distributions, fission-energy spectra, mass yields, total kinetic-energy distributions. Comparison with available data.

doi: 10.1103/PhysRev.131.2617
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14577.

1963FR16      Can.J.Phys. 41, 2080 (1963)

J.S.Fraser, J.C.D.Milton, H.R.Bowman, S.G.Thompson

Precise kinetic energy measurements and fine structure in the spontaneous fission of Cf²⁵²

RADIOACTIVITY ²⁵²Cf(SF); measured decay products; deduced fission fragment kinetic energy spectra, energy, velocity, mass, mass ratio distributions, mass yields, mass-energy contours.

doi: 10.1139/p63-205
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13067.

1963GA08      J.Inorg.Nucl.Chem. 25, 1089 (1963)

R.C.Gatti, R.Brandt, L.Phillips, S.G.Thompson

Discovery of a New Fermium Isotope

NUCLEAR STRUCTURE ²⁵⁷Fm, ²⁵⁸Fm; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(63)80126-8
Citations: PlumX Metrics

1963PH01      J.Inorg.Nucl.Chem. 25, 1085 (1963)

L.Phillips, R.C.Gatti, R.Brandt, S.G.Thompson

Spontaneous Fission Half Lives of Cf²⁵⁴, Fm²⁵⁵, and Cf²⁵⁰

NUCLEAR STRUCTURE, Fission ²⁵⁰Cf, ²⁵⁵Fm, ²⁵⁴Cf, ²⁵⁴Es; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(63)80125-6
Citations: PlumX Metrics

1962GA24      UCRL-18456 (1962); Nuclear Sci.Abstr. 17, 3200, Abstr.24404 (1963)

R.C.Gatti, R.Brandt, L.Phillips, S.G.Thompson

The Discovery of a New Fermium Isotope

NUCLEAR STRUCTURE ²⁵⁷Fm, ²⁵⁸Fm; measured not abstracted; deduced nuclear properties.

1962GI05      Phys.Rev. 128, 2276 (1962)

J.Gillmore, S.G.Thompson, I.Perlman

Investigation of the Influence of Angular Momentum on Fission Probability

doi: 10.1103/PhysRev.128.2276
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0725.

1962GI06      Phys.Rev. 128, 2276 (1962)

J.Gillmore, S.G.Thompson, I.Perlman

Investigation of the Influence of Angular Momentum on Fission Probability

NUCLEAR REACTIONS ¹⁶⁵Ho(²⁰Ne, f), ¹⁶⁵Ho(¹⁶O, f), ¹⁶⁹Tm(¹²C, f), ¹⁶⁹Tm(¹⁶O, f), ¹⁸¹Ta(²⁰Ne, f), ¹⁸¹Ta(¹⁶O, f), ¹⁸⁵Re(¹²C, f), ¹⁸⁵Re(¹⁶O, f), ¹⁸⁷Re(¹²C, f), ¹⁸⁷Re(¹⁶O, f), E=79-211 MeV; measured products; deduced σ, σ(E). Data were imported from EXFOR entry C0725.

doi: 10.1103/PhysRev.128.2276
Citations: PlumX Metrics

1962PH02      UCRL-10464 (1962); Nuclear Sci.Abstr. 17, 3201, Abstr.24405 (1963)

L.Phillips, R.C.Gatti, R.Brandt, S.G.Thompson

Spontaneous-Fission Half Lives of Cf²⁵⁴, Fm²⁵⁵, and Cf²⁵⁰

NUCLEAR STRUCTURE, Fission ²⁵⁰Cf, ²⁵⁵Fm, ²⁵⁴Cf, ²⁵⁴Es; measured not abstracted; deduced nuclear properties.

1961AS03      Proc.Rutherford Jubilee Intern.Conf., Manchester, England, J.B.Birks, Ed., Academic Press, Inc., New York, p.311 (1961)

F.Asaro, M.C.Michel, S.G.Thompson, I.Perlman

The Alpha Decay Scheme of 152 Year Am^242m

NUCLEAR STRUCTURE ²⁴²Am; measured not abstracted; deduced nuclear properties.

1961AS04      UCRL-10023, p.22 (1961)

F.Asaro, M.C.Michel, S.G.Thompson, I.Perlman

NUCLEAR STRUCTURE ²⁴²Am; measured not abstracted; deduced nuclear properties.

1961BR40      UCRL-10023, p.66 (1961)

R.Brandt, R.C.Gatti, L.Phillips, S.G.Thompson

Spontaneous Fission of Certain Californium, Einsteinium, and Fermium Isotopes

NUCLEAR STRUCTURE ²⁵⁴Es, ²⁵⁵Fm; measured not abstracted; deduced nuclear properties.

1960AS05      Phys.Rev. 120, 934 (1960)

F.Asaro, I.Perlman, J.O.Rasmussen, S.G.Thompson

Isomers of Am²⁴²

NUCLEAR STRUCTURE ²⁴²Am; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.120.934
Citations: PlumX Metrics

1960AS06      Proc.Intern.Conf.Nuclear Structure, Kingston, Canada, D.A.Bromley, E.W.Vogt, Eds., Univ. Toronto Press, p. 581 (1960)

F.Asaro, S.G.Thompson, F.S.Stephens, I.Perlman

Decay Scheme of E²⁵³

NUCLEAR STRUCTURE ²⁵³Es; measured not abstracted; deduced nuclear properties.

1960AS08      UCRL-9382 (1960)

F.Asaro, S.G.Thompson, F.S.Stephens, I.Perlman

Decay Scheme of E²⁵³

NUCLEAR STRUCTURE ²⁵³Es; measured not abstracted; deduced nuclear properties.

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
Citations: PlumX Metrics

1959SI88      J.Inorg.Nuclear Chem. 11, 261 (1959)

T.Sikkeland, S.Amiel, S.G.Thompson

Spallation Reactions of Californium-252 with Helium Ions

doi: 10.1016/0022-1902(59)80039-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1129.

1958AS64      UCRL-8369, p.27 (1958)

F.Asaro, S.G.Thompson, F.S.Stephens, Jr., I.Perlman

New Alpha Groups of Californium-250 and Californium-252

1958CH38      J.Inorg.Nucl.Chem. 7, 197 (1958)

G.R.Choppin, S.G.Thompson

Electron Capture Half-Life of ²⁴³Cm

doi: 10.1016/0022-1902(58)80069-X
Citations: PlumX Metrics

1957AM47      Phys.Rev. 106, 553 (1957)

S.Amiel, A.Chetham-Strode, Jr., G.R.Choppin, A.Ghiorso, B.G.Harvey, L.W.Holm, S.G.Thompson

Production and Properties of the Nuclides Fermium-250, 251, and 252

doi: 10.1103/PhysRev.106.553
Citations: PlumX Metrics

1957AS70      Bull.Am.Phys.Soc. 2, No.8, 393 R1 (1957)

F.Asaro, S.G.Thompson, F.S.Stephens, Jr., I.Perlman

Alpha and Gamma Spectra of Cm²⁴³

1957AS83      Priv.Comm., quoted by 1964HY02 (1964)

F.Asaro, S.G.Thompson, F.S.Stephens, Jr., I.Perlman

1957ST70      Bull.Am.Phys.Soc. 2, No.8, 394 R2 (1957)

F.S.Stephens, Jr., F.Asaro, S.G.Thompson, I.Perlman

Decay Scheme of Cf²⁴⁹

1956AS60      Priv.Comm., quoted by 1964HY02, unpublshed (1956)

F.Asaro, F.S.Stephens, Jr., S.G.Thompson

RADIOACTIVITY ²⁵⁰Bk; measured Eγ, Iγ, βγ-, γ(X-ray)-coin. ²⁵⁰Cf level deduced γ-decay characteristics, multipolarity.

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.

1956HA80      Phys.Rev. 104, 1315 (1956)

B.G.Harvey, A.Chetham-Strode, A.Ghiorso, G.R.Choppin, S.G.Thompson

New Isotopes of Einsteinium

doi: 10.1103/PhysRev.104.1315
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2319.

1955AS08      Phys.Rev. 98, 19 (1955)

F.Asaro, F.S.Stephens, Jr., S.G.Thompson, I.Perlman

Gamma Rays of 100²⁵⁴

doi: 10.1103/PhysRev.98.19
Citations: PlumX Metrics

1955CH30      Phys.Rev. 98, 1519 (1955)

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

Nuclear Properties of 100²⁵⁶

doi: 10.1103/PhysRev.98.1519
Citations: PlumX Metrics

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
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 T_1/2.

doi: 10.2172/914464
Citations: PlumX Metrics

1955HA35      Phys.Rev. 99, 337 (1955)

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

Nuclide 99²⁵⁴

doi: 10.1103/PhysRev.99.337
Citations: PlumX Metrics

1955HO67      Phys.Rev. 100, 1403 (1955)

R.W.Hoff, H.Jaffe, T.O.Passell, F.S.Stephens, E.K.Hulet, S.G.Thompson

Radioactive Decay of the Isomers of Americium-242

doi: 10.1103/PhysRev.100.1403
Citations: PlumX Metrics

1954CH23      Phys.Rev. 94, 1080 (1954)

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

Nuclear Properties of Some Isotopes of Californium, Elements 99 and 100

doi: 10.1103/PhysRev.94.1080
Citations: PlumX Metrics

1954GH12      Phys.Rev. 93, 257 (1954)

A.Ghiorso, G.B.Rossi, B.G.Harvey, S.G.Thompson

Reactions of U²³⁸ with Cyclotron-Produced Nitrogen Ions

doi: 10.1103/PhysRev.93.257
Citations: PlumX Metrics

1954GH24      Phys.Rev. 94 1081 (1954)

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

New Isotopes of Americium, Berkelium and Californium

doi: 10.1103/PhysRev.94.1081
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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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1954HA69      Phys.Rev. 95, 581 (1954)

B.G.Harvey, H.P.Robinson, S.G.Thompson, A.Ghiorso, G.R.Choppin

Some pile neutron cross sections of isotopes of americium, berkelium, californium, and element 99

NUCLEAR REACTIONS ²⁴³Am(n, γ), ²⁴⁹Bk, ²⁴⁹Cf(n, X), ²⁴⁹Cf(n, f), ²⁴⁹Cf(n, γ), ²⁵²Cf(n, γ), ²⁵⁴Cf(n, γ), ²⁵³Es(n, γ), ²⁵⁴Es(n, γ), E=0.0253 eV; measured products, ²⁴⁴Am, Eγ, Iγ; deduced σ, σ(E). Data were imported from EXFOR entry 12567.

doi: 10.1103/PhysRev.95.581
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12567.

1954HA73      Phys.Rev. 93, 1129 (1954)

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

Further Production of Transcurium Nuclides by Neutron Irradiation

RADIOACTIVITY ²⁵⁴Es, ²⁵³Cf(β^-) [from ²⁵²Cf, ²⁵⁴Es(n, γ), E thermal]; measured decay products. ²⁵⁴Fm; deduced element 100. The Materials Testing Reactor (MTR).

doi: 10.1103/PhysRev.93.1129
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1954HO72      Phys.Rev. 96, 1350 (1954)

R.W.Hoff, S.G.Thompson

Orbital Electron Capture in the Heaviest Elements

doi: 10.1103/PhysRev.96.1350
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1954HU50      Phys.Rev. 95, 1703 (1954)

E.K.Hulet, S.G.Thompson, A.Ghiorso

Isotopes of Curium, Berkelium, and Californium

doi: 10.1103/PhysRev.95.1703
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1954HU58      Phys.Rev. 95, 1703 (1954)

E.K.Hulet, S.G.Thompson, A.Ghiorso

Isotopes of Curium, Berkelium, and Californium

doi: 10.1103/PhysRev.95.1703
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1954TH01      Phys.Rev. 93, 908 (1954)

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

Transcurium Isotopes Produced in the Neutron Irradiation of Plutonium

doi: 10.1103/PhysRev.93.908
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1953AS14      Phys.Rev. 92, 694 (1953)

F.Asaro, S.G.Thompson, I.Perlman

The Alpha Spectra of Cm²⁴², Cm²⁴³, and Cm²⁴⁴

doi: 10.1103/PhysRev.92.694
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1953HU85      Phys.Rev. 89, 878 (1953)

E.K.Hulet, S.G.Thompson, A.Ghiorso

Spontaneous Fission Rate of Cf²⁴⁶

doi: 10.1103/PhysRev.89.878
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1953RA02      Phys.Rev. 89, 33 (1953)

J.O.Rasmussen, Jr., S.G.Thompson, A.Ghiorso

Alpha-Radioactivity in the 82-Neutron Region

doi: 10.1103/PhysRev.89.33
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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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1952ST70      Phys.Rev. 85, 135 (1952)

K.Street Jr, A.Ghiorso, S.G.Thompson

Slow Neutron Fission of Am²⁴², Am^242m, and Am²⁴³

NUCLEAR REACTIONS ²⁴¹Am(n, γ), ²⁴²Am(n, f), ²⁴²Am(n, X), ²⁴²Am(n, γ), ²⁴³Am(n, f), E=0.0253 eV; measured products, ²⁴²Am, Eγ, Iγ; deduced σ, σ(E). Data were imported from EXFOR entry 12583.

doi: 10.1103/PhysRev.85.135.2
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12583.

1951GH23      Phys.Rev. 81, 154 (1951)

A.Ghiorso, S.G.Thompson, K.Street, Jr., G.T.Seaborg

Californium Isotopes from Bombardment of Uranium with Carbon Ions

NUCLEAR REACTIONS ²³⁸U(¹²C, 6n)²⁴⁴Cf, ²³⁸U(¹²C, 4n)²⁴⁶Cf, E not given; measured reaction products, Eα, Iα; deduced α-particles energies, T_1/2, evidence for element Z=98 isotopes. Comparison with theoretical calculations.

doi: 10.1103/PhysRev.81.154
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1951HO30      Phys.Rev. 83, 1068 (1951)

R.W.Hoff, J.O.Rasmussen, S.G.Thompson

Neutron Deficient Europium and Gadolinium Isotopes

doi: 10.1103/PhysRev.83.1068
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1951HU39      Phys.Rev. 84, 366 (1951)

E.K.Hulet, S.G.Thompson, A.Ghiorso, K.Street, Jr.

New Isotopes of Berkelium and Californium

RADIOACTIVITY ^243,245Bk(EC), (α), ^243,245Cm, ²⁴⁶Cf(α) [from ^242,243,244Cm(d, X), E=16 MeV; ^242,243,244Cm(³He, X), E=35 MeV]; measured decay products, Eβ, Iβ, Eα, Iα; deduced new isotopes T_1/2. Comparison with available data. The pile facilities of the Atomic Energy Project, National Research Council of Canada, Chalk River, Ontario, Canada. The 60-inch cyclotron of the Crocker Laboratory.

doi: 10.1103/PhysRev.84.366.2
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1951TH20      Phys.Rev. 84, 165 (1951)

S.G.Thompson, K.Street, Jr., A.Ghiorso, F.L.Reynolds

Properties of the Isotope Pu²⁴³

doi: 10.1103/PhysRev.84.165
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1950MA14      Phys.Rev. 78, 363 (1950)

L.B.Magnusson, S.G.Thompson, G.T.Seaborg

New Isotope of Neptunium

doi: 10.1103/PhysRev.78.363
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2528.

1950RA56      Phys.Rev. 80, 475 (1950)

J.O.Rasmussen, F.L.Reynolds, S.G.Thompson, A.Ghiorso

Mass Assignments of Alpha-Active Isotopes in the Rare Earth Region

doi: 10.1103/PhysRev.80.475
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1950TH52      Phys.Rev. 80, 781 (1950)

S.G.Thompson, A.Ghiorso, G.T.Seaborg

The New Element Berkelium (Atomic Number 97)

doi: 10.1103/PhysRev.80.781
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2527.

1950TH54      Phys.Rev. 80, 1108 (1950)

S.G.Thompson, K.Street, Jr., A.Ghiorso, F.L.Reynolds

The New Isotope Pu²⁴² and Additional Information on Other Plutonium Isotopes

doi: 10.1103/PhysRev.80.1108
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1950TH55      Phys.Rev. 77, 838 (1950)

S.G.Thompson, A.Ghiorso, G.T.Seaborg

Element 97

NUCLEAR REACTIONS ²⁴¹Am(α, X)²⁴³Bk/²⁴⁴Bk, E not given; measured reaction products, Eα, Iα; deduced α-particles energies, evidence for element Z=97.

doi: 10.1103/PhysRev.77.838.2
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1950TH56      Phys.Rev. 78, 298 (1950)

S.G.Thompson, K.Street, Jr., A.Ghiorso, G.T.Seaborg

Element 98

NUCLEAR REACTIONS ²⁴²Cm(α, X)²⁴⁴Cf, E=35 MeV; measured reaction products, Eα, Iα; deduced α-particles energies, evidence for element Z=98.

doi: 10.1103/PhysRev.78.298.2
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1950TH57      Phys.Rev. 80, 790 (1950)

S.G.Thompson, K.Street, Jr., A.Ghiorso, G.T.Seaborg

The New Element Californium (Atomic Number 98)

NUCLEAR REACTIONS ²⁴²Cm(α, X)²⁴⁴Cf, E=35 MeV; measured reaction products, Eα, Iα; deduced α-particles energies, T_1/2, evidence for element Z=98.

doi: 10.1103/PhysRev.80.790
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