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NSR database version of April 27, 2024.

Search: Author = D.C.Sousa

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1997TO12      Phys.Rev. C56, 3410 (1997)

K.S.Toth, D.C.Sousa, J.C.Batchelder, J.M.Nitschke, P.A.Wilmarth

Decay Properties ¹⁵⁴Tm and Observation of Fine Structure in Its α-Particle Spectrum

RADIOACTIVITY ^154mTm(α)(β⁺)(EC) [from ^92,94Mo(⁶⁴Zn, X), E ≈ 275 MeV]; measured Eγ, Iγ, Eα, Iα, γγ-, γα-coin; deduced isomer α-decay branching ratio. ¹⁵⁰Ho, ¹⁵⁴Er deduced levels.

doi: 10.1103/PhysRevC.56.3410
Citations: PlumX Metrics

1993TO02      Phys.Rev. C47, 1804 (1993)

K.S.Toth, D.C.Sousa, P.A.Wilmarth, J.M.Nitschke, K.S.Vierinen

Electron Capture and β⁺ Decay of ¹⁴⁷Tm

NUCLEAR REACTIONS ⁹²Mo(⁵⁸Ni, X), E=261 MeV; measured γ spectra, γ(annihilation radiation)-coin, X-ray spectra; deduced evidence for ¹⁴⁷Tm.

RADIOACTIVITY ¹⁴⁷Tm(EC), (β⁺), (p); measured γ-spectra, γ(annihilation radiation)-coin, X-ray spectra; deduced (EC+β⁺) strength. ¹⁴⁶Er levels deduced direct proton-decay branch. ¹⁴⁷Er deduced transition.

doi: 10.1103/PhysRevC.47.1804
Citations: PlumX Metrics

1993TO04      Phys.Rev. C48, 436 (1993)

K.S.Toth, D.C.Sousa, J.M.Nitschke, K.S.Vierinen, P.A.Wilmarth

Identification of the s_1/2 ¹⁴⁵Dy Ground State

RADIOACTIVITY ¹⁴⁵Dy(β⁺p), (EC) [from ⁹²Mo(⁵⁸Ni, X), E=283 MeV]; measured β-delayed Ep, Ip, β⁺p-, γp-coin, I(ce). ¹⁴⁵Tb deduced transitions Iγ, γ-multipolarity, I(ce), configuration.

doi: 10.1103/PhysRevC.48.436
Citations: PlumX Metrics

1993TO05      Phys.Rev. C48, 445 (1993)

K.S.Toth, P.A.Wilmarth, J.M.Nitschke, D.C.Sousa

Observation of ¹⁴⁶Er Electron Capture and β⁺ Decay

NUCLEAR REACTIONS ⁹²Mo(⁵⁸Ni, X), E=280 MeV; measured β-delayed (proton)γ-, (proton)(K X-ray)-coin; deduced evidence for ¹⁴⁶Er.

RADIOACTIVITY ¹⁴⁶Er(β⁺p), (EC) [from ⁹²Mo(⁵²Ni, X), E=280 MeV]; measured β-delayed pγ-, (proton)(K X-ray)-coin; deduced T_1/2.

doi: 10.1103/PhysRevC.48.445
Citations: PlumX Metrics

1992TO02      Phys.Rev. C45, 856 (1992)

K.S.Toth, H.J.Kim, J.W.McConnell, C.R.Bingham, D.C.Sousa

Alpha Decays of Light Uranium Isotopes

NUCLEAR REACTIONS ²⁰⁹Bi(¹⁹F, 3n), (¹⁹F, 4n), E=102-115 MeV; measured Eα, Iα.

RADIOACTIVITY ^224,225U(α) [from ²⁰⁹Bi(¹⁹F, 3n), (¹⁹F, 4n), E=102-115 MeV]; measured Eα, Iα, T_1/2; deduced Qα, reduced widths.

doi: 10.1103/PhysRevC.45.856
Citations: PlumX Metrics

1991TO08      Phys.Rev. C44, 1868 (1991)

K.S.Toth, K.S.Vierinen, M.O.Kortelahti, D.C.Sousa, J.M.Nitschke, P.A.Wilmarth

Investigation of A = 155 and A = 151 Nuclides: Identification of the ¹⁵⁵Tm s_1/2 isomer and the ¹⁵⁵Yb β-decay branch

RADIOACTIVITY ¹⁵⁵Yb, ¹⁵⁵Tm(β⁺), (α); ¹⁵¹Er(β⁺); ¹⁵¹Ho(α); measured T_1/2, γγ-coin, Eγ, Iγ, Eα, Iα; deduced logft, α reduced widths. ¹⁵⁵Tm, ¹⁵⁵Er, ¹⁵¹Ho deduced levels, J, π.

doi: 10.1103/PhysRevC.44.1868
Citations: PlumX Metrics

1990AK01      Phys.Rev. C41, 1126 (1990)

Y.A.Akovali, K.S.Toth, A.L.Goodman, J.M.Nitschke, P.A.Wilmarth, D.M.Moltz, M.N.Rao, D.C.Sousa

Single-Particle States in ¹⁵¹Tm and ¹⁵¹Er: Systematics of neutron states in N = 83 Nuclei

RADIOACTIVITY ¹⁵¹Yb, ¹⁵¹Tm(β⁺) [from ⁹⁶Ru(⁵⁸Ni, X), E=360 MeV]; measured Eγ, Iγ, γ(t), γγ-coin; deduced log ft. ¹⁵¹Tm, ¹⁵¹Er deduced levels, J, π, T_1/2.

NUCLEAR STRUCTURE ¹³³Sb, ¹³⁵I, ¹³⁷Cs, ¹³⁹La, ¹⁴¹Pr, ¹⁴³Pm, ¹⁴⁵Eu, ¹⁴⁷Tb, ¹⁴⁹Ho, ¹⁵¹Tm, ¹³⁷Xe, ¹³⁹Ba, ¹⁴¹Ce, ¹⁴³Nd, ¹⁴⁵Sm, ¹⁴⁷Gd, ¹⁴⁹Dy, ¹⁵¹Er; calculated single particle state energies. Hartree-Fock-Bogoliubov method.

doi: 10.1103/PhysRevC.41.1126
Citations: PlumX Metrics

1988TO03      Phys.Rev. C37, 1196 (1988)

K.S.Toth, D.C.Sousa, J.M.Nitschke, P.A.Wilmarth

Beta Decay Properties of ¹⁴⁸Er and ¹⁴⁸Ho

RADIOACTIVITY ¹⁴⁸Er(EC) [from ⁹⁴Mo(⁵⁸Ni, 2n2p), E=257 MeV]; ¹⁴⁸Ho(EC) [from ⁹⁴Mo(⁵⁸Ni, n3p), E=257 MeV]; ¹⁴⁸Dy [from ¹⁴⁸Ho-decay]; measured Eγ, Iγ, γγ-, γ(X-ray)-coin; deduced log ft, T_1/2, J, π. ¹⁴⁸Er, ¹⁴⁸Ho deduced evidence for β-delayed protons. ¹⁴⁸Ho, ¹⁴⁸Dy deduced levels, J, π.

doi: 10.1103/PhysRevC.37.1196
Citations: PlumX Metrics

1987TO02      Phys.Rev. C35, 310 (1987)

K.S.Toth, D.C.Sousa, J.M.Nitschke, P.A.Wilmarth

Investigation of A = 152 Radioactivities with Mass-Separated Sources: Identification of ¹⁵²Lu

NUCLEAR REACTIONS ⁹⁶Ru(⁵⁸Ni, X), E=354 MeV; measured Eγ, Iγ, γγ-coin; deduced evidence for ¹⁵²Lu.

RADIOACTIVITY ¹⁵²Lu, ¹⁵²Yb, ¹⁵²Tm(EC), (IT) [from ⁹⁶Ru(⁵⁸Ni, X), E=354 MeV]; measured Eγ, Iγ, T_1/2, γγ-coin; deduced log ft.¹⁵²Yb, ¹⁵²Tm deduced levels. ¹⁵²Er deduced levels, α-branching ratio.

doi: 10.1103/PhysRevC.35.310
Citations: PlumX Metrics

1987TO05      Phys.Rev. C35, 620 (1987)

K.S.Toth, D.C.Sousa, J.M.Nitschke, P.A.Wilmarth

Decay Properties of ¹⁵⁰Tm and ¹⁵⁰Er

RADIOACTIVITY ¹⁵⁰Tm, ¹⁵⁰Er(EC), (β⁺) [from ⁹⁶Ru(⁵⁸Ni, X), E=372 MeV]; measured Eγ, Iγ, γγ-coin; deduced log ft. ¹⁵⁰Tm deduced isomer T_1/2, J, π. ¹⁵⁰Er, ¹⁵⁰Ho deduced levels, J, π. Isotope separator.

doi: 10.1103/PhysRevC.35.620
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1985TO11      Phys.Rev. C32, 342 (1985)

K.S.Toth, Y.A.Ellis-Akovali, F.T.Avignone III, R.S.Moore, D.M.Moltz, J.M.Nitschke, P.A.Wilmarth, P.K.Lemmertz, D.C.Sousa, A.L.Goodman

Single-Particle States in ¹⁴⁹Er and ¹⁴⁹Ho, and the Effect of the Z = 64 Closure

NUCLEAR STRUCTURE ¹³³Sb, ¹³⁵I, ¹³⁷Cs, ¹³⁹La, ¹⁴¹Pr, ¹⁴³Pm, ¹⁴⁵Eu, ¹⁴⁷Tb, ¹⁴⁹Ho, ¹³¹Sn, ¹³³Te, ¹³⁷Ba, ¹³⁹Ce, ¹⁴¹Nd, ¹⁴³Sm, ¹⁴⁵Gd, ¹⁴⁷Dy, ¹⁴⁹Er; calculated single particle states. Hartree-Fock method.

RADIOACTIVITY ¹⁴⁹Er(β⁺), (EC), ^149mEr [from ¹⁴⁴Sm(¹²C, 7n), E=135 MeV]; measured Eγ, Iγ, γγ-coin, T_1/2, β-delayed Ep, Ip. ¹⁴⁹Er deduced levels, J, π, ICC. ¹⁴⁹Ho deduced levels, J, π. Mass separation.

doi: 10.1103/PhysRevC.32.342
Citations: PlumX Metrics

1984TO09      Phys.Rev.Lett. 53, 1623 (1984)

K.Toth, Y.A.Ellis-Akovali, C.R.Bingham, D.M.Moltz, D.C.Sousa, H.K.Carter, R.L.Mlekodaj, E.H.Spejewski

Evidence from α Decay that Z = 82 is not Magic for Light Pb Isotopes

NUCLEAR REACTIONS ¹⁸⁰W(¹⁶O, xn), E not given; ¹⁶⁰Dy(³²S, 6n), E=200 MeV; measured Eγ, Iγ, γγ-, γ(X-ray)-coin, Eα, Iα. ^{192,190,188,186}Pb deduced α-decay T_1/2, α-branching, decay probabilities.

doi: 10.1103/PhysRevLett.53.1623
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1982SO02      Phys.Rev. C25, 1012 (1982)

D.C.Sousa, K.S.Toth, C.R.Bingham, A.C.Kahler, D.R.Zolnowski

Identification of ¹⁴⁵Tb and ¹⁴⁴Tb and Levels in the N = 81 Nucleus, ¹⁴⁵Gd

RADIOACTIVITY ^144,145Tb [from ¹⁴⁴Sm(¹⁰B, X), E=96, 125 MeV]; measured Eγ, Iγ, T_1/2, γγ-coin. ¹⁴⁵Gd deduced levels, J, π.

doi: 10.1103/PhysRevC.25.1012
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1981EL03      Phys.Rev. C23, 480 (1981)

Y.A.Ellis-Akovali, K.S.Toth, C.R.Bingham, H.K.Carter, D.C.Sousa

Electron Capture and α-Particle Decay of ¹⁹⁰Pb

RADIOACTIVITY ¹⁹⁰Pb [from ¹⁸⁰W(¹⁶O, 6n)]; measured T_1/2, Eγ, Iγ, I(ce), Eα, Iα, γγ-, (ce)γ-coin; deduced α-reduced widths. ¹⁹⁰Tl deduced levels, γ-multipolarity. Mass separation.

doi: 10.1103/PhysRevC.23.480
Citations: PlumX Metrics

1981SO09      Phys.Rev. C24, 2245 (1981)

D.C.Sousa, L.L.Riedinger, C.R.Bingham, F.E.Turner, K.S.Toth, H.K.Carter, R.L.Mlekodaj, E.H.Spejewski

Radioactive Decay of Mass-Separated ¹⁹²Tl and ¹⁹²Pb

RADIOACTIVITY ^192,192mTl, ¹⁹²Pb [from Ta, W(¹⁶O, xn), E=100, 133, 143 MeV]; measured Eγ, Iγ, I(ce), γγ-coin, T_1/2; deduced log ft. ¹⁹²Hg, ¹⁹²Tl deduced levels, J, γ-multipolarity, δ, ICC.

doi: 10.1103/PhysRevC.24.2245
Citations: PlumX Metrics

1981TO02      Nucl.Phys. A356, 26 (1981)

K.S.Toth, Y.A.Ellis-Akovali, D.M.Moltz, C.R.Bingham, H.K.Carter, D.C.Sousa

The α-Decay Rate of ¹⁸⁸Pb

RADIOACTIVITY ¹⁸⁸Pb [from ¹⁸⁰W(¹⁶O, xn)]; measured T_1/2, Eγ, Iγ, Eα, Iα, γγ-coin. ¹⁸⁸Pb deduced α-decay branching ratio. Mass separation.

doi: 10.1016/0375-9474(81)90115-9
Citations: PlumX Metrics

1979TO01      Phys.Rev. C19, 482 (1979)

K.S.Toth, C.R.Bingham, D.R.Zolnowski, S.E.Cala, H.K.Carter, D.C.Sousa

Identification of ¹⁴⁸Ho and ¹⁴⁹Ho

RADIOACTIVITY ^148,149Ho [from ¹⁴⁴Sm(¹⁰B, xn), E=101 MeV]; measured T_1/2, Eγ, Iγ, γγ-coin. ^148,149Dy deduced levels.

doi: 10.1103/PhysRevC.19.482
Citations: PlumX Metrics

1979TO06      Phys.Rev. C19, 2399 (1979)

K.S.Toth, M.A.Ijaz, C.R.Bingham, L.L.Riedinger, H.K.Carter, D.C.Sousa

Anomalous α-Decay Rate of ¹⁹²Pb

RADIOACTIVITY ¹⁹²Pb [from ¹⁸⁰W(¹⁶O, 4n), E not given]; measured T_1/2, Eγ, Iγ, I(ce), Eα, Iα, γγ-coin; deduced α-reduced widths. ¹⁹²Tl deduced levels.

doi: 10.1103/PhysRevC.19.2399
Citations: PlumX Metrics

1979TO09      Phys.Rev. C20, 298 (1979)

K.S.Toth, C.R.Bingham, H.K.Carter, B.G.Ritchie, D.C.Sousa, D.R.Zolnowski

Decay of the High-Spin Isomers in ^{150, 151,152}Ho

RADIOACTIVITY ^150,151,152Ho [from ¹⁴⁴Sm(¹⁰B, xn), E=75 MeV]; measured Eγ, Iγ, γγ-coin, T_1/2. ^150,151,152Dy deduced levels, J, π. ¹⁵²Ho; measured Iγ, Iα; deduced α-branching ratio. Mass separation.

doi: 10.1103/PhysRevC.20.298
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1979TO18      Phys.Rev. C20, 1902 (1979)

K.S.Toth, Y.A.Ellis, D.C.Sousa, H.K.Carter, D.Sen, E.F.Zganjar

Decay of ¹⁷²Hf to Levels in ¹⁷²Lu

RADIOACTIVITY ¹⁷²Hf; measured Eγ, Iγ, γγ-coin, I(K X-ray); deduced Q(ϵ). ¹⁷²Lu deduced levels, J, π, γ-multipolarity, Nilsson assignments.

doi: 10.1103/PhysRevC.20.1902
Citations: PlumX Metrics

1975SO03      Nucl.Phys. A238, 365 (1975)

D.C.Sousa, L.L.Riedinger, E.G.Funk, J.W.Mihelich

Decay of the Three Isomers of ¹⁵⁴Tb

RADIOACTIVITY ^154,154mTb[from ¹⁵³Eu(α, 3n), ¹⁵⁵Gd(p, 2n)]; measured T_1/2, Eγ, Iγ, I(K X-ray), E(ce), I(ce), γγ-coin; deduced log ft, ICC. ¹⁵⁴Gd deduced levels, γ-multipolarities, γ-branching, K, J, π.

doi: 10.1016/0375-9474(75)90472-8
Citations: PlumX Metrics

1971RI08      Phys.Rev. C4, 1352 (1971); Erratum Phys.Rev. C5, 1143 (1972)

L.L.Riedinger, D.C.Sousa, E.G.Funk, J.W.Mihelich

Decay of a New Isomer in ¹⁵⁴Tb to High-Spin Levels in ¹⁵⁴Gd

RADIOACTIVITY ^154mTb[from ¹⁵³Eu(α, 3n), ¹⁵⁵Gd(p, 2n)]; measured Eγ, Iγ, T_1/2, I(ce), Xγ-delay, γγ-coin; deduced log ft, J, π. ¹⁵⁴Gd deduced levels, J, π, T_1/2, γ-branching, ICC, γ-multipolarity.

doi: 10.1103/PhysRevC.4.1352
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