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NSR database version of April 29, 2024.

Search: Author = R.F.Barnes

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1977FR03      Phys.Rev. C15, 760 (1977)

M.S.Freedman, I.Ahmad, F.T.Porter, R.K.Sjoblom, R.F.Barnes, J.Lerner, P.R.Fields

Two-Quasiparticle States in ²⁵⁰Cf Populated by Electron Capture Decay of 8.6-h ²⁵⁰Es Isomer

RADIOACTIVITY ²⁵⁰Es [from ²⁴⁹Bk(α, 3n), ²⁴⁹Cf(d, n)]; measured T_1/2, Eγ, Iγ, γγ-coin, E(ce), I(ce); deduced log ft. ²⁵⁰Cf deduced levels, J, π, λ, K, ICC, δ. Mass separated sources, toroidal β spectrometer.

doi: 10.1103/PhysRevC.15.760
Citations: PlumX Metrics

1975AH05      Phys.Rev. C12, 541 (1975)

I.Ahmad, F.T.Porter, M.S.Freedman, R.K.Sjoblom, J.Lerner, R.F.Barnes, J.Milsted, P.R.Fields

Levels in ²³⁷Pu Populated by ²³⁷Am (Electron Capture) and ²⁴¹Cm(α) Decays

RADIOACTIVITY ²³⁷Am; measured Eγ, Iγ, I(ce), T_1/2, Eα, γγ-coin, I(EC); deduced J, π, α-branching, log ft. ²⁴¹Cm; measured Eα; deduced α-hindrance factors. ²³⁷Pu deduced levels, J, π, λ.

doi: 10.1103/PhysRevC.12.541
Citations: PlumX Metrics

1973FI06      Nucl.Phys. A208, 269 (1973)

P.R.Fields, I.Ahmad, R.F.Barnes, R.K.Sjoblom, W.C.McHarris

Nuclear Spectroscopic Studies of ²⁵²Es

RADIOACTIVITY ²⁵²Es [from ²⁵²Cf(d, 2n), ²⁴⁹Bk(α, n)]; measured T_1/2, Eα, Iα, Eγ, Iγ, I(ce), γγ-, γce-, αγ-coin, α/EC ratio; deduced log ft. ²⁵²Cf, ²⁴⁸Bk deduced levels, J, π, γ-multipolarity.

doi: 10.1016/0375-9474(73)90375-8
Citations: PlumX Metrics

1972AH04      Nucl.Phys. A186, 620 (1972)

I.Ahmad, R.K.Sjoblom, R.F.Barnes, F.Wagner, Jr., P.R.Fields

Electron Capture Decay of ²³⁸Am and Electric Monopole Transitions in ²³⁸Pu

RADIOACTIVITY ²³⁸Am[from ²³⁷Np(α, 3n), (³He, 2n)]; measured T_1/2, Eα, Eγ, Iγ, E(ce), I(ce), X(K)γ-, ceγ-coin; deduced log ft. ²³⁸Pu deduced levels, γ-multipolarity, J, π. Mass-separated ²³⁸Am.

doi: 10.1016/0375-9474(72)90987-6
Citations: PlumX Metrics

1972AH07      J.Inorg.Nucl.Chem. 34, 3335 (1972)

I.Ahmad, R.F.Barnes, R.K.Sjoblom, P.R.Fields

Electron Capture Decay of ²⁴⁰Am

RADIOACTIVITY ²⁴⁰Am; measured T_1/2, Eγ, Iγ, I(ce), ceγ-coin; deduced log ft. ²⁴⁰Pu deduced levels, J, π, ICC, γ-branching, γ-multipolarity.

doi: 10.1016/0022-1902(72)80227-6
Citations: PlumX Metrics

1972FL04      Phys.Rev. C5, 1725 (1972)

K.F.Flynn, E.P.Horwitz, C.A.A.Bloomquist, R.F.Barnes, R.K.Sjoblom, P.R.Fields, L.E.Glendenin

Distribution of Mass in the Spontaneous Fission of ²⁵⁶Fm

RADIOACTIVITY, Fission ²⁵⁶Fm(SF); measured T_1/2, mass distribution, fission yield.

doi: 10.1103/PhysRevC.5.1725
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13454.

1972PO04      Phys.Rev. C5, 1738 (1972)

F.T.Porter, I.Ahmad, M.S.Freedman, R.F.Barnes, R.K.Sjoblom, F.Wagner, Jr., P.R.Fields

Energy Levels in ²³⁹Pu Populated by Electron-Capture Decay of 11.9-h ²³⁹Am

RADIOACTIVITY ²³⁹Am; measured Eγ, Iγ, I(ce), T_1/2; deduced log ft, α/(α+EC)-branching. ²³⁹Pu deduced levels, J, π, ICC, γ-multipolarity.

doi: 10.1103/PhysRevC.5.1738
Citations: PlumX Metrics

1971AH01      Phys.Rev. C3, 390 (1971)

I.Ahmad, F.T.Porter, M.S.Freedman, R.F.Barnes, R.K.Sjoblom, F.Wagner, Jr., J.Milsted, P.R.Fields

Energy Levels in Cf²⁵¹ via Alpha Decay of Fm²⁵⁵

RADIOACTIVITY ²⁵⁵Fm; measured Eα, Iα, Eγ, Iγ, I(ce), αγ-, γγ-coin, αγ-delay deduced; hindrance factors. ²⁵¹Cf deduced levels, J, π, ICC, γ-multipolarity, γ-branching.

doi: 10.1103/PhysRevC.3.390
Citations: PlumX Metrics

1970AH01      Nucl.Phys. A140, 141 (1970)

I.Ahmad, R.K.Sjoblom, R.F.Barnes, E.P.Horwitz, P.R.Fields

Nuclear Decay Properties of Light Einsteinium Isotopes

RADIOACTIVITY ^{248,249,250,251}Es[from ²⁴⁹Bk(³He, xn), (α, xn)]; measured T_1/2, Eα, Eγ, Iγ, γγ-coin, I(ce). ^249,251Es; measured α/K X-ray ratios. ^249,251Es deduced J, π. ^249,251Cf deduced levels, J, π. ²⁵⁰Cf transitions deduced γ-multipolarity.

doi: 10.1016/0375-9474(70)90890-0
Citations: PlumX Metrics

1970FI12      Nucl.Phys. A154, 407 (1970)

P.R.Fields, I.Ahmad, R.F.Barnes, R.K.Sjoblom, E.P.Horwitz

Nuclear Properties of ²⁵⁴Md, ²⁵⁵Md, ²⁵⁶Md, ²⁵⁷Md and ²⁵⁸Md

RADIOACTIVITY ^{254,255,256,257,258}Md[from ^253,254,255Es(α, xn)]; measured T_1/2, Eα, Iα, αγ-coin, α/(α+EC) ratio; deduced hindrance factors. ^254mMd; measured T_1/2.

doi: 10.1016/0375-9474(70)90166-1
Citations: PlumX Metrics

1968DI09      J.Inorg.Nucl.Chem 30, 2553 (1968)

H.Diamond, J.J.Hines, R.K.Sjoblom, R.F.Barnes, D.N.Metta, J.L.Lerner, P.R.Fields

Fission Cross-Sections for ²⁴³Pu, ²⁵⁰Bk, ²⁴⁷Cm, ²⁴⁵Cm, ^254mEs and ²⁵⁴Es, and Odd-Odd Systematics

RADIOACTIVITY ²⁴³Pu; measured T_1/2.

NUCLEAR REACTIONS ²⁴³Pu, ^245,247Cm, ²⁵⁰Bk, ²⁵⁴Es(n, F), E=thermal; measured σ. Isotope separator.

doi: 10.1016/0022-1902(68)80379-3
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12531.

1968FI03      J.Inorg.Nucl.Chem. 30, 1345 (1968)

P.R.Fields, I.Ahmad, R.K.Sjoblom, R.F.Barnes, E.P.Horwitz

Nuclear Properties of ²⁴⁶Am and ²⁴⁷Am

RADIOACTIVITY ²⁴⁷Am; measured T_1/2, Eγ. ²⁴⁶Am; measured T_1/2, Eγ, Iγ. ²⁴⁶Cm deduced levels.

doi: 10.1016/0022-1902(68)80272-6
Citations: PlumX Metrics

1967AH02      Phys.Rev. 164, 1537 (1967)

I.Ahmad, A.M.Friedman, R.F.Barnes, R.K.Sjoblom, J.Milsted, P.R.Fields

Decay of Fm²⁵³

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

doi: 10.1103/PhysRev.164.1537
Citations: PlumX Metrics

1967DI02      J.Inorg.Nucl.Chem. 29, 601 (1967)

H.Diamond, R.K.Sjoblom, R.F.Barnes, J.L.Lerner, D.J.Henderson, P.R.Fields

Nuclear Properties of ²⁵¹Bk

doi: 10.1016/0022-1902(67)80313-0
Citations: PlumX Metrics

1967FI03      Nucl.Phys. A96, 440 (1967)

P.R.Fields, H.Diamond, A.M.Friedman, J.Milsted, J.L.Lerner, R.F.Barnes, R.K.Sjoblom, D.N.Metta, E.P.Horwitz

Some New Properties of ²⁵⁴Es and ²⁵⁵Es

RADIOACTIVITY ^254,255Es[from Es(n, γ)]; measured T_1/2, Eγ, Eα, Iα, αγ-coin, SF. ²⁵⁴Fm[from ²⁵⁴Es]; measured T_1/2. ²⁵⁰Bk, ²⁵⁴Es deduced levels, J, π. ²⁵³Es(n, γ), reactor n-spectrum; measured σ.

doi: 10.1016/0375-9474(67)90725-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12574.

1967FI04      Phys.Lett. 24B, 340 (1967)

P.R.Fields, R.F.Barnes, R.K.Sjoblom, J.Milsted

Nuclear Properties of ²⁴²Cf, ²⁴³Cf, ²⁴⁴Cf and ²⁴⁵Cf

NUCLEAR STRUCTURE ²⁴⁵Cf, ²⁴⁴Cf, ²⁴³Cf, ²⁴²Cf; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(67)90240-7
Citations: PlumX Metrics

1966HO01      Phys.Rev. 148, 1192 (1966); See keynumber 1966RG01

R.W.Hoff, C.P.Bailey, G.W.Barton, G.H.Coleman, M.S.Coops, J.E.Evans, B.A.Hannon, W.N.Hayes, R.A.Heckman, E.K.Hulet, R.W.Lougheed, R.J.Morrow, R.S.Newbury, B.J.Qualheim, R.Quong, E.H.Stearns, H.D.Wilson, J.P.Balagna, J.W.Barnes, G.A.Cowan, W.R.Daniels, B.J.Dropesky, G.P.Ford, J.S.Gilmore, S.B.Helmick, D.C.Hoffman, J.D.Knight, G.W.Knobeloch, C.J.Orth, T.T.Shull, H.L.Smith, W.G.Warren, K.Wolfsberg, F.Asaro, J.Burnett, B.B.Cunningham, S.M.Fried, J.T.Haley, A.Ghiorso, J.Green, R.Latimer, F.T.McCarthy, H.V.Michel, M.C.Michel, D.F.Mosier, T.C.Parsons, I.Perlman, J.E.Rees, J.C.Wallmann, R.F.Barnes, L.J.Basile, H.Diamond, P.R.Fields, A.M.Friedman, E.P.Horowitz, J.K.Lerner, D.N.Metta, J.Milsted, R.K.Sjoblom, C.M.Stevens

Nuclear Decay Properties of Heavy Nuclides Produced in Thermonuclear Explosions - Par and Barbel Events

RADIOACTIVITY ^{251,252,253,254}Cf, ²⁵⁵Es, ^257,258Fm(α), ²⁵⁰Cm(SF), ²⁵¹Bk, ²⁵²Cm(β^-) [from U(n, F), U(n, X), E ∼ 2 MeV]; measured decay products, Eα, Iα; deduced α-particles energies, α-decay branchings, T_1/2. Two low-yield thermonuclear explosions, the Par and Barbel events, chemical separation of products.

NUCLEAR REACTIONS Cm(n, X)²⁴⁹Cf/²⁵⁰Cf/²⁵²Cf/²⁵²Cf/²⁵³Cf/²⁵⁴Cf/²⁵³Es/²⁵⁴Es/²⁵⁵Es, E thermal; measured reaction products, Eα, Iα, Eβ, Iβ; deduced isotopic abundances. Cm irradions, reactor.

doi: 10.1103/PhysRev.148.1192
Citations: PlumX Metrics

1965ME02      J.Inorg.Nucl.Chem. 27, 33 (1965)

D.Metta, H.Diamond, R.F.Barnes, J.Milsted, J.Gray, Jr., D.J.Henderson, C.M.Stevens

Nuclear Constants of Nine Transplutonium Nuclides

NUCLEAR STRUCTURE ²⁵⁰Cf, ²⁵²Cf, ²⁵⁴Es, ²⁵³Cf, ²⁵³Es, ²⁵⁴Cf, ²⁴⁴Cm, ²⁴⁶Cm; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(65)80187-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12562.

1964CO14      Phys. Rev. 134, B1281 (1964)

R.E.Cote, R.F.Barnes, H.Diamond

Total Neutron Cross Section of Cm²⁴⁴

NUCLEAR STRUCTURE ²⁴⁷Cm, ²⁴⁵Cm; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.134.B1281
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12570.

1959BA22      J.Inorg.Nuclear Chem. 9, 105 (1959)

R.F.Barnes, D.J.Henderson, A.L.Harkness, H.Diamond

The Alpha and Electron Capture Partial Half-Lives of ²⁴²Am

doi: 10.1016/0022-1902(59)80068-3
Citations: PlumX Metrics

1959CO94      Phys.Rev. 114, 505 (1959)

R.E.Cote, L.M.Bollinger, R.F.Barnes, H.Diamond

Slow-Neutron Cross Sections of Pu²⁴⁰, Pu²⁴², and Am²⁴³

doi: 10.1103/PhysRev.114.505
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12539.

1958CO70      Proc.U.N.Intern.Conf.Peaceful Uses At.Energy, 2nd, Geneva 16, 77 (1958)

R.E.Cote, L.M.Bollinger, R.F.Barnes, H.Diamond

1956FR07      Phys.Rev. 102, 585 (1956)

A.M.Friedman, J.E.Gindler, R.F.Barnes, R.Sjoblom, P.R.Fields

Properties of Fm²⁵²

doi: 10.1103/PhysRev.102.585
Citations: PlumX Metrics

1956ME37      Phys.Rev. 103, 340 (1956)

J.F.Mech, H.Diamond, M.H.Studier, P.R.Fields, A.Hirsch, C.M.Stephens, R.F.Barnes, D.J.Henderson, J.R.Huizenga

Alpha and Spontaneous Fission Half-Lives of Plutonium-242

doi: 10.1103/PhysRev.103.340
Citations: PlumX Metrics