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Search: Author = R.K.Sjoblom

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1980AH03      Phys.Rev. C22, 1226 (1980)

I.Ahmad, R.K.Sjoblom

Low-Spin States of 250Cf Populated in the Electron Capture Decay of 2.22-h 250Es

RADIOACTIVITY 250Es [from 249Cf(d, n), mass separation]; measured Eγ, Iγ, I(ce), T1/2; deduced log ft. 250Cf deduced levels, γ-multipolarity, J, π. Cooled Si(Li) electron spetrometer.

doi: 10.1103/PhysRevC.22.1226
Citations: PlumX Metrics

1979AH03      Phys.Rev. C20, 290 (1979)

I.Ahmad, S.W.Yates, R.K.Sjoblom, A.M.Friedman

Proton States in 247Bk Excited by 246Cm(α, t) Reactions and 247Cf (Electron Capture) and 251Es (α) Decays

RADIOACTIVITY 247Cf [from (α, 3n), E=40 MeV]; measured Eγ, Iγ, I(ce). 251Es [from 249Cf(α, 2n), E=40 MeV]; measured Eα, Iα. 251Es levels deduced hf. Mass separation. 247Bk deduced levels, ICC, multipolarity, log ft.

NUCLEAR REACTIONS 246Cm(α, t), E=28.0, 29.0 MeV; measured σ(Et, θ). 247Bk deduced levels, J, π, Nilsson assignment, (2J+1)S.

doi: 10.1103/PhysRevC.20.290
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2749.

1978AH02      Phys.Rev. C17, 2163 (1978)

I.Ahmad, R.K.Sjoblom, A.M.Friedman, S.W.Yates

Proton States in the Z = 99 Nucleus 251Es Excited by 251Fm Electron Capture Decay and 250Cf(α, t) Reaction

RADIOACTIVITY 251Fm [from 249Cf(α, 2n)]; measured Eγ, Iγ, I(ce), γγ-coin; deduced α-branching, EC branching, log ft. 251Es deduced levels, ICC, λ, K, J, π. Mass separated activity.

NUCLEAR REACTIONS 250Cf(α, t), E=28 MeV; measured σ(Et). 251Es deduced levels. Mass separated 250Cf.

doi: 10.1103/PhysRevC.17.2163
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2745.

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 T1/2, 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

1977GI15      Phys.Rev. C16, 1483 (1977)

J.E.Gindler, K.F.Flynn, L.E.Glendenin, R.K.Sjoblom

Distribution of Mass, Kinetic Energy, and Neutron Yield in the Spontaneous Fission of 254Fm

RADIOACTIVITY, Fission 254Fm(SF); measured radiochemical mass yields, fragment energy; deduced neutron yields, σ(A, E(fragment)).

doi: 10.1103/PhysRevC.16.1483
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10642.

1976AH03      Nucl.Phys. A258, 221 (1976)

I.Ahmad, D.D.Sharma, R.K.Sjoblom

Electron Capture Decay of 245Bk (4.90 d) and 246Bk (1.80 d)

RADIOACTIVITY 245Bk, 246Bk [from 243Am(α, xn)]; measured T1/2, Eγ, Iγ, E(ce), I(ce), ceγ-coin.; deduced log ft. 245Cm, 246Cm deduced levels, γ-multipolarity, J, π. Mass separated 245Bk, 246Bk.

doi: 10.1016/0375-9474(76)90003-8
Citations: PlumX Metrics

1976AH07      Phys.Rev. C14, 218 (1976)

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

One- and Three-Quasiparticle States in 249Cf Populated by the Electron Capture Decay of 1.70-h 249Es

RADIOACTIVITY 249Es [from 249Cf(d, 2n), 249Bk(α, 4n)]; measured Eγ, Iγ, T1/2, E(ce), I(ce); deduced log ft, α/α+EC. 249Cf deduced levels, J, π, λ, K.

doi: 10.1103/PhysRevC.14.218
Citations: PlumX Metrics

1976FL03      J.Inorg.Nucl.Chem. 38, 661 (1976)

K.F.Flynn, J.E.Gindler, L.E.Glendenin, R.K.Sjoblom

Mass Distributions for the Spontaneous Fission of 253Es and the Thermal-Neutron-Induced Fission of 254Es

RADIOACTIVITY, Fission 253Es(SF); measured mass yield.

NUCLEAR REACTIONS 254Es(n, F), E=thermal; measured mass yield.

doi: 10.1016/0022-1902(76)80333-8
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13340.

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), T1/2, 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

1975FL06      Phys.Rev. C11, 1676 (1975)

K.F.Flynn, J.E.Gindler, R.K.Sjoblom, L.E.Glendenin

Mass Distributions for Thermal-Neutron-Induced Fission of 255Fm and 251Cf

NUCLEAR REACTIONS 251Cf, 255Fm(n, F), E=0.025 eV; measured radiochemical mass yields, σ.

doi: 10.1103/PhysRevC.11.1676
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10516.

1973AH02      Phys.Rev. C8, 737 (1973)

I.Ahmad, J.Milsted, R.K.Sjoblom, J.Lerner, P.R.Fields

Alpha Decay of 251Fm

RADIOACTIVITY 251Fm; measured Eα, Iα, Eγ, Iγ, I(ce), αγ-coin, αce-coin, T1/2; deduced α-branching, ICC. 247Cf deduced levels, J, π, γ-multipolarities.

doi: 10.1103/PhysRevC.8.737
Citations: PlumX Metrics

1973AH04      Nucl.Phys. A208, 287 (1973)

I.Ahmad, H.Diamond, J.Milsted, J.Lerner, R.K.Sjoblom

Alpha-Decay of 39.3 h 254mEs Isomer

RADIOACTIVITY 254mEs [from 253Es(n, γ)]; measured Eα, Iα, Eγ, Iγ, αce-, αX(ray)-, αγ-coin, αγ(t), α-branching; deduced hindrance factors. 250Bk deduced levels, γ-multipolarity, J, π, T1/2. Mass-separated 254mEs.

doi: 10.1016/0375-9474(73)90376-X
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 T1/2, 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 T1/2, 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 T1/2, 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 T1/2, 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), T1/2; 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 248,249,250,251Es[from 249Bk(3He, xn), (α, xn)]; measured T1/2, 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 254,255,256,257,258Md[from 253,254,255Es(α, xn)]; measured T1/2, Eα, Iα, αγ-coin, α/(α+EC) ratio; deduced hindrance factors. 254mMd; measured T1/2.

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 T1/2.

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 T1/2, Eγ. 246Am; measured T1/2, 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 T1/2, Eγ, Eα, Iα, αγ-coin, SF. 254Fm[from 254Es]; measured T1/2. 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 251,252,253,254Cf, 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, T1/2. 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

1961BU21      Phys.Rev. 124, 1129 (1961)

D.K.Butler, R.K.Sjoblom

Fast neutron fission cross sections of Pu241 and Am243

NUCLEAR REACTIONS 241Pu(n, f), 243Am(n, f), E=21 keV-1.8 MeV; measured products; deduced σ, σ(E). Data were imported from EXFOR entry 12543.

doi: 10.1103/PhysRev.124.1129
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12543.

1961SM10      Phys.Rev. 123, 2140 (1961)

A.B.Smith, R.K.Sjoblom

Prompt Fission Neutron Spectrum Of Pu241

NUCLEAR REACTIONS 241Pu(n, f), E=0.0253 eV; measured products; deduced miscellaneous fission parameters. Data were imported from EXFOR entry 12542.

doi: 10.1103/PhysRev.123.2140
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12542.

1959GI58      J.Inorg.Nuclear Chem. 12, 8 (1959)

J.E.Gindler, R.K.Sjoblom

Electron-Capture/Negatron-Emission Branching Ratio of 236Np (22 hr)

doi: 10.1016/0022-1902(59)80086-5
Citations: PlumX Metrics

1959VA01      Bull.Am.Phys.Soc. 4, No.4, 293, YA9 (1959)

S.E.Vandenbosch, H.Diamond, R.K.Sjoblom, P.R.Fields

Beta Decay of Bk250 and Bk249

1959VA02      Phys.Rev. 115, 115 (1959)

S.E.Vandenbosch, H.Diamond, R.K.Sjoblom, P.R.Fields

Beta Decay of Bk250 and Bk249

doi: 10.1103/PhysRev.115.115
Citations: PlumX Metrics

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