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NSR database version of May 24, 2024.

Search: Author = K.S.Vierinen

Found 14 matches.

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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
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 s1/2 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


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
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 s1/2 isomer and the 155Yb β-decay branch

RADIOACTIVITY 155Yb, 155Tm(β+), (α); 151Er(β+); 151Ho(α); measured T1/2, 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


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 T1/2. 157Lu deduced level.

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

doi: 10.1007/BF01294685
Citations: PlumX Metrics


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 s1/2, h11/2 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 T1/2, 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
Citations: PlumX Metrics


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 T1/2, 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 T1/2.


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 s1/2 and h11/2 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
Citations: PlumX Metrics


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 T1/2. 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 T1/2. 145Dy deduced levels, isomer configuration.

doi: 10.1103/PhysRevC.39.1972
Citations: PlumX Metrics


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 T1/2, 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
Citations: PlumX Metrics


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 T1/2, 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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