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NSR database version of April 26, 2024.

Search: Author = K.S.Vierinen

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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
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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
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1991FI03      Phys.Rev. C43, 1066 (1991)

R.B.Firestone, J.Gilat, J.M.Nitschke, P.A.Wilmarth, K.S.Vierinen

Decay Studies of Neutron Deficient Nuclei Near the Z = 64 Subshell: ¹⁴²Dy, ^140,142Tb, ^140,142Gd, ^140,142Eu, ¹⁴²Sm, and ¹⁴²Pm

RADIOACTIVITY ¹⁴²Sm, ¹⁴²Pm, ^140,142Eu, ¹⁴²Gd, ^140,142Tb, ¹⁴²Dy [from ⁹²Mo(⁵⁴Fe, xnyp), E=261, 312 MeV; ⁹²Mo(⁵²Cr, xnyp), E=224, 244 MeV]; measured γγ-, γ(X-ray)-coin, (EC)-, (β⁺) branching; deduced Q(EC). ¹⁴²Dy, ^142,140Tb deduced β-delayed proton branching. ¹⁴²Pm, ¹⁴²Sm deduced β⁺-decay emission probabilities. ^142,140Gd, ^142,140Eu, ^142,140Sm, ¹⁴²Tb deduced levels, Iγ. ¹⁴²Nd deduced transition, branching intensity.

doi: 10.1103/PhysRevC.43.1066
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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
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1991TO09      Z.Phys. A340, 343 (1991)

K.S.Toth, K.S.Vierinen, J.M.Nitschke, P.A.Wilmarth, R.M.Chasteler

Alpha-Decaying Low-Spin Levels in ¹⁵⁵Lu and ¹⁵⁷Lu

RADIOACTIVITY ^155,157Lu [from ^94,96Mo(⁶⁴Zn, 2np)]; measured Eα, Iα, α-decay T_1/2. ¹⁵⁷Lu deduced level.

NUCLEAR REACTIONS ^94,96Mo(⁶⁴Zn, 2np), E not given; measured Eα, Iα.

doi: 10.1007/BF01294685
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1991TO12      Nucl.Instrum.Methods Phys.Res. B56/57, 484 (1991)

K.S.Toth, J.M.Nitschke, K.S.Vierinen, P.A.Wilmarth, R.B.Firestone, M.O.Kortelahti

Spectroscopy of Proton-Rich Nuclei in the Rare Earth Region

NUCLEAR REACTIONS ⁹⁶Ru, ^92,94,95,96Mo, ⁹³Nb(⁶⁴Zn, X), (⁵⁸Ni, X), E not given; measured residuals decay spectra; deduced evidence for neutron deficient isotopes with Z=65-71.

RADIOACTIVITY ¹⁵³Yb, ¹⁴⁹Er(EC), (β⁺); ¹⁵³Tm(α) [from ¹⁵³Yb(β⁺-EC)-decay]; analyzed decay data; deduced s_1/2, h_11/2 states role.

doi: 10.1016/0168-583X(91)96076-W
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1990CH34      Phys.Rev. C42, R1171 (1990)

R.M.Chasteler, J.M.Nitschke, R.B.Firestone, K.S.Vierinen, P.A.Wilmarth

Decay of the Neutron-Rich Isotope ¹⁷¹Ho and the Identification of ¹⁶⁹Dy

RADIOACTIVITY ¹⁷¹Ho, ¹⁶⁹Dy(β^-); measured T_1/2, Eβ, βγ-coin, Iγ, Eγ; deduced log ft, Q. ¹⁷¹Er deduced levels, J, π, ICC. ¹⁶⁹Ho deduced levels, J, π.

doi: 10.1103/PhysRevC.42.R1171
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1990CH37      Phys.Rev. C42, R1796 (1990)

R.M.Chasteler, J.M.Nitschke, R.B.Firestone, K.S.Vierinen, P.A.Wilmarth

Decay Studies of the Neutron-Rich Isotopes ¹⁶⁸Dy and ^168gHo and the Identification of the New Isomer ^168mHo

RADIOACTIVITY ¹⁶⁸Dy, ¹⁶⁸Ho(β^-); ^168mHo(IT); measured T_1/2, Eβ, βγ-coin, Iγ, Eγ; deduced log ft, Q. ¹⁶⁸Ho deduced levels, J, π, ICC.

doi: 10.1103/PhysRevC.42.R1796
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1989CH05      Z.Phys. A332, 239 (1989)

R.M.Chasteler, J.M.Nitschke, R.B.Firestone, K.S.Vierinen, P.A.Wilmarth, A.A.Shihab-Eldin

Identification of the Neutron-Rich Isotope ¹⁷⁴Er

NUCLEAR REACTIONS W(¹⁷⁶Yb, X), E=8.5 MeV/nucleon; measured γ-, X-ray, β-spectra; deduced evidence for ¹⁷⁴Er, ¹⁷¹Ho.

RADIOACTIVITY ¹⁷⁴Er(β^-), ¹⁷¹Ho [from W(¹⁷⁶Yb, X), E=8.5 MeV/nucleon]; measured E(γ), I(γ), X-ray, β-spectra, (X-ray)β-coin. ¹⁷⁴Tm deduced levels, mass. ¹⁷¹Ho deduced T_1/2.

1989KO02      Phys.Rev. C39, 636 (1989)

M.O.Kortelahti, K.S.Toth, K.S.Vierinen, J.M.Nitschke, P.A.Wilmarth, R.B.Firestone, R.M.Chasteler, A.A.Shihab-Eldin

Decay Properties of ¹⁵³Yb and ¹⁵³Tm; Excitation energies of the s_1/2 and h_11/2 proton states in ¹⁵³Tm

RADIOACTIVITY ¹⁵³Yb(β⁺) [from ⁹²Mo(⁶⁴Zn, n2p), E=267 MeV]; ¹⁵³Tm(β⁺), (α) [from ⁹²Mo(⁶⁴Zn, 3p), E=267 MeV]; measured E(γ), I(γ), γ(X-ray)-coin. ¹⁵³Yb level deduced J, π. ¹⁵³Tm deduced levels, J, π, isomer α-decay features. ¹⁵³Er deduced levels, possible J, π, configuration, γ-branching.

doi: 10.1103/PhysRevC.39.636
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1989NI04      Z.Phys. A334, 111 (1989)

J.M.Nitschke, K.S.Toth, K.S.Vierinen, P.A.Wilmarth, R.M.Chasteler

Identification of ¹⁵³Lu β Decay

NUCLEAR REACTIONS ⁹²Mo(⁶⁴Zn, 2np), E=285 MeV; measured γ(X-ray)-, γβ⁺-, γ(particle)-coin, Eγ, Iγ.

RADIOACTIVITY ¹⁵³Lu(β⁺), (EC) [from ⁹²Mo(⁶⁴Zn, 2np), E=285 MeV]; measured γ(X-ray)-, γβ⁺-, γ(particle)-coin, Eγ, Iγ; deduced isomer T_1/2. ¹⁵³Yb deduced transitions, relative Iγ.

1989VI02      Phys.Rev. C39, 1972 (1989)

K.S.Vierinen, J.M.Nitschke, P.A.Wilmarth, R.M.Chasteler, A.A.Shihab-Eldin, R.B.Firestone, K.S.Toth, Y.A.Akovali

Identification of ¹⁴⁵Er and ¹⁴⁵Ho

RADIOACTIVITY ¹⁴⁵Er(β⁺p); ¹⁴⁵Ho(β⁺)(EC) [from ¹⁴⁵Er-decay]; measured Eγ, Iγ, γ(X-ray)-, p(X-ray)-coin; deduced T_1/2. ¹⁴⁵Dy deduced levels, isomer configuration.

doi: 10.1103/PhysRevC.39.1972
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1989VI04      Nucl.Phys. A499, 1 (1989)

K.S.Vierinen, J.M.Nitschke, P.A.Wilmarth, R.B.Firestone, J.Gilat

Decay of Neutron Deficient Eu, Sm and Pm Isotopes Near the Proton Drip Line

RADIOACTIVITY ^134,135,136Eu, ^134,135,136Sm, ^134,135,136Pm(β⁺p) [from ⁹²Mo(⁴⁶Ti, xnyp), E=192-212 MeV mass separated sources]; measured T_1/2, β-delayed Ep, Ip, Eγ; deduced log ft, γγ-, (X-ray)γ-, βγ-, p(X-ray)-, pγ-coin. ^135,136Sm, ^134,135,136Pm, ^134,135,136Nd deduced levels, J, π. n-Ge, planar Ge, plastic scintillator, surface barrier Si(Au) detectors, ΔE-E telescope, enriched targets.

doi: 10.1016/0375-9474(89)90266-2
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1988VI02      Phys.Rev. C38, 1509 (1988)

K.S.Vierinen, A.A.Shihab-Eldin, J.M.Nitschke, P.A.Wilmarth, R.M.Chasteler, R.B.Firestone, K.S.Toth

Beta Decay of ¹⁵⁴Lu and ¹⁵⁴Yb

RADIOACTIVITY ¹⁵⁴Lu, ¹⁵⁴Yb(β⁺), (EC) [from ^92,94Mo(⁶⁴Zn, xnyp), E=285 MeV]; measured T_1/2, β-delayed E(α), I(α), E(p), I(p), E(γ), I(γ), I(ce), γγ-, X-ray(γ)-, βγ-coin; deduced log ft. ¹⁵⁴Yb, ¹⁵⁴Tm deduced levels, J, π. n-Ge, planar Ge, plastic scintillator, surface barrier Si detectors, ΔE-E telescope, enriched targets.

doi: 10.1103/PhysRevC.38.1509
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