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NSR database version of April 26, 2024.

Search: Author = E.H.Spejewski

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2017RA10      Phys.Rev. C 95, 054328 (2017)

B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Blackmon, N.T.Brewer, K.C.Goetz, J.W.Johnson, C.U.Jost, J.H.Hamilton, K.Miernik, M.Madurga, D.Miller, S.Padgett, S.V.Paulauskas, A.V.Ramayya, E.H.Spejewski

Complete β-decay pattern for the high-priority decay-heat isotopes ¹³⁷I and ¹³⁷Xe determined using total absorption spectroscopy

RADIOACTIVITY ¹³⁷I, ¹³⁷Xe(β^-)[from U(p, F), E=50 MeV]; ¹³⁷I(β^-n); measured Eγ, Iγ, total absorption gamma-ray spectra using Modular Total Absorption Spectrometer (MTAS) at ORNL; deduced beta-delayed neutron spectrum, beta-delayed neutron emission probability for ¹³⁷I decay, Iβ feedings, ratio of MTAS measured γ decay heat to calculated γ decay heat for thermal neutrons+²³⁵U. Comparison with the evaluated data in the ENSDF database at NNDC.

doi: 10.1103/PhysRevC.95.054328
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2014FI09      Acta Phys.Pol. B45, 545 (2014)

A.Fijalkowska, M.Karny, K.P.Rykaczewski, M.Wolinska-Cichocka, R.Grzywacz, C.J.Gross, J.W.Johnson, B.C.Rasco, E.F.Zganjar, D.W.Stracener, L.Cartegni, K.C.Goetz, R.Goans, C.Jost, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, M.Al-Shudifat, E.Spejewski, J.H.Hamilton, A.V.Ramayya

First Results from the Modular Total Absorption Spectrometer at the HRIBF

RADIOACTIVITY ⁸⁶Br(β^-); measured decay products, Eγ, Iγ; deduced γ-ray energies. Comparison with ENSDF database.

doi: 10.5506/APhysPolB.45.545
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2014FI11      Nucl.Data Sheets 120, 26 (2014)

A.Fijalkowska, M.Karny, K.P.Rykaczewski, M.Wolinska-Cichocka, R.Grzywacz, C.J.Gross, J.W.Johnson, B.C.Rasco, E.F.Zganjar, D.W.Stracener, C.Jost, K.C.Goetz, R.Goans, E.Spejewski, L.Cartegni, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, M.Al-Shudifat, J.H.Hamilton, A.V.Ramayya

First Results from the Modular Total Absorption Spectrometer at the HRIBF

RADIOACTIVITY ¹³⁹Xe, ⁸⁹Kr(β^-) [from ²³⁸U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced β-feeding intensity, level structure, average electromagnetic energy released per decay.

doi: 10.1016/j.nds.2014.06.132
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2012BA58      Phys.Rev. C 86, 064311 (2012)

J.C.Batchelder, N.T.Brewer, R.E.Goans, R.Grzywacz, B.O.Griffith, C.Jost, A.Korgul, S.H.Liu, S.V.Paulauskas, E.H.Spejewski, D.W.Stracener

Low-lying collective states in ¹²⁰Cd populated by β decay of ¹²⁰Ag: Breakdown of the anharmonic vibrator model at the three-phonon level

RADIOACTIVITY ¹²⁰Ag(β^-)[from ²³⁸U(p, F), E=40 MeV]; measured Eγ, Iγ, conversion electron spectrum, (ce)γ-, γγ-coin, half-lives, branching ratio from isomer decay using CARDS array and BESCA ce spectrometer at HRIBF. ¹²⁰Cd; deduced levels, isomers, J, π, β feedings, logft, B(E2), quadrupole-octupole coupled states Systematics of decays of phonon, intruder and 3- states in ^{108,110,112,114,116,118,120,122}Cd. Comparison with multiphonon vibrational approach.

doi: 10.1103/PhysRevC.86.064311
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2009BA52      Phys.Rev. C 80, 054318 (2009)

J.C.Batchelder, J.L.Wood, P.E.Garrett, K.L.Green, K.P.Rykaczewski, J.-C.Bilheux, C.R.Bingham, H.K.Carter, D.Fong, R.Grzywacz, J.H.Hamilton, D.J.Hartley, J.K.Hwang, W.Krolas, W.D.Kulp, Y.Larochelle, A.Piechaczek, A.V.Ramayya, E.H.Spejewski, D.W.Stracener, M.N.Tantawy, J.A.Winger, E.F.Zganjar

Collective and noncollective states in ¹¹⁶Cd studied via the β decays of ¹¹⁶Ag^{m1, m2, gs}

RADIOACTIVITY ^116,116mAg(β^-) [from ²³⁸U(p, X), E not given]; measured Eγ, Iγ, γγ-coin, ce, and half-lives using HRIBF facility. ¹¹⁶Ag, ¹¹⁶Cd; deduced levels, J, π, conversion coefficients, multipolarities, logft, and BE2 rates. Comparisons with IBM-2 calculations, and with low-energy 0+ and 2+ level systematics of ^{110,112,114,116,118,120}Cd.

doi: 10.1103/PhysRevC.80.054318
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2005BA94      Phys.Rev. C 72, 044306 (2005)

J.C.Batchelder, J.-C.Bilheux, C.R.Bingham, H.K.Carter, D.Fong, P.E.Garrett, R.Grzywacz, J.H.Hamilton, D.J.Hartley, J.K.Hwang, W.Krolas, W.D.Kulp, Y.Larochelle, A.Piechaczek, A.V.Ramayya, K.P.Rykaczewski, E.H.Spejewski, D.W.Stracener, M.N.Tantawy, J.A.Winger, J.L.Wood, E.F.Zganjar

New isomeric state in ¹¹⁶Ag

RADIOACTIVITY ^116mAg(IT), ¹¹⁶Ag(β^-) [from U(p, F)]; measured E(ce), I(ce), Eγ, Iγ. ¹¹⁶Ag deduced levels, J, π, ICC, isomer T_1/2. ¹¹⁶Cd deduced transitions.

doi: 10.1103/PhysRevC.72.044306
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1987BO44      Phys.Rev. C36, 2560 (1987)

J.A.Bounds, C.R.Bingham, H.K.Carter, G.A.Leander, R.L.Mlekodaj, E.H.Spejewski, W.M.Fairbank, Jr.

Nuclear Structure of Light Thallium Isotopes as Deduced from Laser Spectroscopy on a Fast Atom Beam

RADIOACTIVITY ^{189m,190m,191m,192m,193,193m,194m,201}Tl; measured hfs; deduced hfs constants. ^{190m,192m,193,194,194m,201,203}Tl deduced μ, rms radii differences. ^{193m,191m,189m}Tl deduced quadrupole moment, deformation, μ, rms radii differences. Other data input, fast atom beam laser spectroscopy.

doi: 10.1103/PhysRevC.36.2560
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1986MA06      Phys.Lett. 167B, 277 (1986)

W.C.Ma, A.V.Ramayya, J.H.Hamilton, S.J.Robinson, J.D.Cole, E.F.Zganjar, E.H.Spejewski, R.Bengtsson, W.Nazarewicz, J.-Y.Zhang

The Structure of High Spin States in ¹⁸⁴Hg and ¹⁸⁶Hg

NUCLEAR STRUCTURE ¹⁸⁶Hg; analyzed data; deduced band structure interpretation.

NUCLEAR REACTIONS ¹⁵⁶Gd(³²S, 4n), E=155, 160, 165 MeV; measured σ(Eγ, E), γγ-coin, DSA, γ(θ), oriented nuclei. ¹⁸⁴Hg deduced levels, J, π, T_1/2, B(E2), β₂. Cranked shell model comparision.

doi: 10.1016/0370-2693(86)90345-X
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1985BO46      Phys.Rev.Lett. 55, 2269 (1985)

J.A.Bounds, C.R.Bingham, P.Juncar, H.K.Carter, G.A.Leander, R.L.Mlekodaj, E.H.Spejewski, W.M.Fairbank, Jr.

Role of Deformation in the Intrusion of the h_9/2 Levels below the Z = 82 Proton Shell

RADIOACTIVITY ^189,191,193Tl(β⁺), (EC); ^193mTl(IT); measured hfs, isotope shift; deduced isomer intrinsic, spectroscopic quadrupole moments, deformation β₂.

doi: 10.1103/PhysRevLett.55.2269
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1985LE10      Phys.Rev. C32, 277 (1985)

R.S.Lee, J.H.Hamilton, A.V.Ramayya, A.P.de Lima, D.L.Sastry, K.S.R.Sastry, E.H.Spejewski, R.L.Mlekodaj, H.K.Carter, W.-D.Schmidt-Ott, J.Lin, C.R.Bingham, L.L.Riedinger, E.F.Zganjar, J.L.Weil, B.D.Kern, A.C.Xenoulis, R.W.Fink, Sun Xi-jun, Guo Jun-sheng, Cho Chi-cheng, Pan Zong-you, Guo Ying-xian

Decay of ¹¹⁷Xe → ¹¹⁷I → ¹¹⁷Te

NUCLEAR REACTIONS ^107,109Ag(¹²C, xn), E=50-70 MeV; measured γ yields. ¹¹⁷I deduced transition.

RADIOACTIVITY ¹¹⁷Xe(EC), (β⁺) [from ¹⁰⁴Pd(¹⁶O, xn), E=86 MeV]; ¹¹⁷I(EC), (β⁺) [from ¹¹⁷Xe β-decay]; ¹¹⁷Te(β⁺), (EC) [from ¹¹⁷I β-decay]; measured Eγ, Iγ, E X-ray, I X-ray, T_1/2, γγ-coin. ¹¹⁷I, ¹¹⁷Te deduced levels, relative Iγ. ¹¹⁷Sb(EC), (β⁺) [from ¹¹⁷Te decay]; measured T_1/2. ¹¹⁷Xe, ¹¹⁷I deduced mass difference, Q(EC).

doi: 10.1103/PhysRevC.32.277
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1985ST02      Phys.Rev. C31, 582 (1985)

R.E.Stone, C.R.Bingham, L.L.Riedinger, R.W.Lide, H.K.Carter, R.L.Mlekodaj, E.H.Spejewski

Decay of Mass-Separated ^199mPo and ^199gPo

RADIOACTIVITY ¹⁹⁹Po, ^199mPo(EC), (β⁺), (α) [from Ir(¹⁴N, xn), E=115 MeV]; measured T_1/2, Eγ, Iγ, I(ce), γγ-, γce-, γX-ray-coin. ¹⁹⁹Po, ¹⁹⁹Bi deduced levels, J, π, γ-multipolarity, ICC.

doi: 10.1103/PhysRevC.31.582
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1984CO17      Phys.Rev. C30, 1267 (1984)

J.D.Cole, J.H.Hamilton, A.V.Ramayya, W.Lourens, B.van Nooijen, H.Kawakami, L.A.Mink, E.H.Spejewski, H.K.Carter, R.L.Mlekodaj, G.A.Leander, L.L.Riedinger, C.R.Bingham, E.F.Zganjar, J.L.Wood, R.W.Fink, K.S.Toth, B.D.Kern, K.S.R.Sastry

Decay of ¹⁸⁸Tl and Observed Shape Coexistence in the Bands of ¹⁸⁸Hg

RADIOACTIVITY ¹⁸⁸Tl(β⁺), (EC) [from ¹⁸¹Ta(¹⁶O, 9n), E=143-145 MeV; ¹⁸⁰W(¹⁴N, 6n), E=184-188 MeV]; measured Eγ, Iγ, I(ce), γγ-, γ(ce)-coin. ¹⁸⁸Tl levels deduced T_1/2. ¹⁸⁸Hg deduced levels, J, π, γ-branching, δ, ICC.

doi: 10.1103/PhysRevC.30.1267
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1984MA27      Phys.Lett. 139B, 276 (1984)

W.C.Ma, A.V.Ramayya, J.H.Hamilton, S.J.Robinson, M.E.Barclay, K.Zhao, J.D.Cole, E.F.Zganjar, E.H.Spejewski

Ground State Shape and Crossing of near Spherical and Deformed Bands in ¹⁸²Hg

NUCLEAR REACTIONS ^156,154Gd(³²S, 4n), E=155, 160, 165 MeV; measured Eγ, Iγ, γγ-, γ(X-ray)-coin. ¹⁸²Hg deduced levels, J, π, γ-branching, ground state shape, band structure.

doi: 10.1016/0370-2693(84)91079-7
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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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1983ML01      Phys.Rev. C27, 1182 (1983)

R.L.Mlekodaj, E.H.Spejewski, K.S.Toth, Y.A.Ellis-Akovali

Decay of Mass-Separated ¹⁵⁶Yb

RADIOACTIVITY ¹⁵⁶Yb(α), (EC), (β⁺) [from ¹⁴⁷Sm(¹⁶O, 7n), E=141 MeV]; ¹⁵⁶Tm(α) [from ¹⁵⁶Yb(EC+β⁺) decay]; ¹⁵²Er(α), (EC), (β⁺) [from ¹⁵⁶Yb α-decay]; ¹⁵²Ho(β⁺), (EC), (α) [from ¹⁵²Er(EC+β⁺) decay]; measured T_1/2, Eα, Iα, Eγ, Iγ, E(X-ray), I(X-ray); deduced log ft, α-branching ratios. ¹⁵⁶Tm levels deduced J, π, γ-multipolarity, configuration. ¹⁵²Ho level deduced J, π. ¹⁵⁶Er levels deduced γ-branching. Mass separated samples, enriched target.

doi: 10.1103/PhysRevC.27.1182
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1981RI02      Phys.Rev. C23, 1717 (1981)

B.G.Ritchie, F.T.Avignone III, H.K.Carter, R.L.Mlekodaj, E.H.Spejewski

Electron Capture and Positron Decay of ²⁰⁶Fr and ²⁰⁸Fr and the Energy Levels of ²⁰⁶Rn and ²⁰⁸Rn

RADIOACTIVITY ^206,208Fr [from Ir(²⁰Ne, xn), E=113-120 MeV, on-line mass separation]; measured Eγ, γγ(t), ceγ(t), Iγ. ^206,208Rn deduced levels, J, π, ICC, γ-multipolarity.

doi: 10.1103/PhysRevC.23.1717
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1981RI04      Phys.Rev. C23, 2342 (1981)

B.G.Ritchie, K.S.Toth, H.K.Carter, R.L.Mlekodaj, E.H.Spejewski

Alpha-Decay Properties of ^{205,206,207,208}Fr: Identification of ^206mFr

RADIOACTIVITY ^{205,206,207,208}Fr; measured Eγ, Iγ, Eα, Iα; deduced α-branching ratios. ^206mFr deduced T_1/2. ²⁰²At deduced level.

doi: 10.1103/PhysRevC.23.2342
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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
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1978NE10      J.Phys.(Paris) 39, 343 (1978)

W.G.Nettles, R.Beraud, J.D.Cole, J.H.Hamilton, A.V.Ramayya, H.Kawakami, E.H.Spejewski

Etude de la Decroissance ¹⁸⁴Hg → ¹⁸⁴Au (T₁/₂ = 30 s)

RADIOACTIVITY ¹⁸⁴Tl, ¹⁸⁴Hg [from ¹⁸⁰W(¹⁴N, xnyp), E=177 MeV]; measured Eγ, Iγ, γγ(t). ¹⁸⁴Au deduced levels, T_1/2.

doi: 10.1051/jphys:01978003904034300
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1977CO21      Phys.Rev. C16, 2010 (1977)

J.D.Cole, A.V.Ramayya, J.H.Hamilton, H.Kawakami, B.van Nooijen, W.G.Nettles, L.L.Riedinger, F.E.Turner, C.R.Bingham, H.K.Carter, E.H.Spejewski, R.L.Mlekodaj, W.D.Schmidt-Ott, E.F.Zganjar, K.S.R.Sastry, F.T.Avignone III, K.W.Toth, M.A.Ijaz

Shape Coexistence in ¹⁸⁶Hg and the Decay of ¹⁸⁶Tl

RADIOACTIVITY ^186,186mTl; measured T_1/2, Eγ, Iγ, I(ce), γγ-, γce-coin. ¹⁸⁶Hg deduced levels, J, π, ICC.

doi: 10.1103/PhysRevC.16.2010
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1976BI09      Phys.Rev. C14, 1586 (1976)

C.R.Bingham, L.L.Riedinger, F.E.Turner, B.D.Kern, J.L.Weil, K.J.Hofstetter, J.Lin, E.F.Zganjar, A.V.Ramayya, J.H.Hamilton, J.L.Wood, G.M.Gowdy, R.W.Fink, E.H.Spejewski, W.D.Schmidt-Ott, R.L.Mlekodaj, H.K.Carter, K.S.R.Sastry

Decay of Mass-Separated ¹⁹⁰Tl and ¹⁹⁰Hg

RADIOACTIVITY ^190,190mTl, ¹⁹⁰Hg [from Ta, W(¹⁶O, X)]; measured Eγ, Iγ, I(ce), Eβ, γX-ray-coin, γγ-coin, T_1/2; deduced log ft, Q, ICC. ¹⁹⁰Hg, ¹⁹⁰Au deduced levels, J, π, λ.

doi: 10.1103/PhysRevC.14.1586
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1976CO24      Phys.Rev.Lett. 37, 1185 (1976)

J.D.Cole, J.H.Hamilton, A.V.Ramayya, W.G.Nettles, H.Kawakami, E.H.Spejewski, M.A.Ijaz, K.S.Toth, E.L.Robinson, K.S.R.Sastry, J.Lin, F.T.Avignone, W.H.Brantley, P.V.G.Rao

Behavior of the Excited Deformed Band and Search for Shape Isomerism in ¹⁸⁴Hg

RADIOACTIVITY ¹⁸⁴Tl [from ¹⁸⁰W+¹⁴N]; measured Eγ, Iγ, Eα, Iα, γce-, γγ-coin, γ(t), T_1/2. ¹⁸⁴Hg deduced levels, J, π, λ, T_1/2.

doi: 10.1103/PhysRevLett.37.1185
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1976GO02      Phys.Rev. C13, 1601 (1976)

G.M.Gowdy, A.C.Xenoulis, J.L.Wood, K.R.Baker, R.W.Fink, J.L.Weil, B.D.Kern, K.J.Hofstetter, E.H.Spejewski, R.L.Mlekodaj, H.K.Carter, W.D.Schmidt-Ott, J.Lin, C.R.Bingham, L.L.Riedinger, E.F.Zganjar, K.S.R.Sastry, A.V.Ramayya, J.H.Hamilton

On-Line Mass Separator Investigation of the New Isotope 2.9-sec ¹¹⁶I

RADIOACTIVITY ¹¹⁶I, ¹¹⁶Xe; measured Eγ, Iγ, T_1/2, βγ(t); deduced Q, log ft. ¹¹⁶I deduced J, π. ¹¹⁶Te, ¹¹⁶Xe deduced levels, J, π.

doi: 10.1103/PhysRevC.13.1601
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1976HA25      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.1, 1 (1976)

J.H.Hamilton, K.R.Baker, C.R.Bingham, E.L.Bosworth, H.K.Carter, J.D.Cole, R.W.Fink, G.Garcia Bermudez, G.W.Gowdy, K.J.Hofstetter, M.A.Ijaz, A.C.Kahler, B.D.Kern, W.Lourens, B.Martin, R.L.Mlekodaj, A.V.Ramayya, L.L.Riedinger, W.D.Schmidt-Ott, E.H.Spejewski, B.N.Subba Rao, E.L.Robinson, K.S.Toth, F.Turner, J.L.Weil, J.L.Wood, A.Xenoulis, E.F.Zganjar

New Isotope ¹⁹³Pb and the Structure of ¹⁹³Tl; Shape Coexistence in ¹⁸⁸Hg and in ¹⁸⁹Au; and a New Ion Source: Recent UNISOR Research

RADIOACTIVITY ¹⁹³Pb; measured T_1/2, Eγ, Iγ, γγ-coin. ¹⁸⁸Tl; measured Eγ, Iγ, γγ-coin, I(ce), γce-coin. ¹⁸⁹Tl, ¹⁸⁹Hg; measured Eγ, Iγ, γγ-, γX-, γce-coin. ^188,189Hg, ¹⁹³Tl deduced levels, J, π, shape isomers.

1976TO06      Phys.Lett. 63B, 150 (1976)

K.S.Toth, M.A.Ijaz, J.Lin, E.L.Robinson, B.O.Hannah, E.H.Spejewski, J.D.Cole, J.H.Hamilton, A.V.Ramayya

Observation of α-Decay in Thallium Nuclei, Including the New Isotopes ¹⁸⁴Tl and ¹⁸⁵Tl

RADIOACTIVITY ^{184,185,186,187}Tl; measured Eα, T_1/2. ^184,186Tl deduced α-branching.

doi: 10.1016/0370-2693(76)90636-5
Citations: PlumX Metrics

1975HA27      Phys.Rev.Lett. 35, 562 (1975)

J.H.Hamilton, A.V.Ramayya, E.L.Bosworth, W.Lourens, J.D.Cole, B.Van Nooijen, G.Garcia-Bermudez, B.Martin, B.N.Subba Rao, H.Kawakami, L.L.Riedinger, C.R.Bingham, F.Turner, E.F.Zganjar, E.H.Spejewski, H.K.Carter, R.L.Mlekodaj, W.D.Schmidt-Ott, K.R.Baker, R.W.Fink, G.M.Gowdy, J.L.Wood, A.Xenoulis, B.D.Kern, K.J.Hofstetter, J.L.Weil, K.S.Toth, M.A.Ijaz, K.F.R.Faftry

Crossing of Near-Spherical and Deformed Bands in ^186,188Hg and New Isotopes ^186,188Tl

RADIOACTIVITY ^186,188Tl [from ¹⁸¹Ta(¹⁶O, 9nγ), (¹⁶O, 11nγ), E=143-145 MeV]; measured T_1/2, Eγ, Iγ, γce-, γγ-coin, γ(t); deduced ICC. ^186,188Hg deduced levels, J, π, K.

doi: 10.1103/PhysRevLett.35.562
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1975ZG01      Phys.Lett. 58B, 159 (1975)

E.F.Zganjar, J.L.Wood, R.W.Fink, L.L.Riedinger, C.R.Bingham, B.D.Kern, J.L.Weil, J.H.Hamilton, A.V.Ramayya, E.H.Spejewski, R.L.Mlekodaj, H.K.Carter, W.D.Schmidt-Ott

Rotation-Aligned Coupling and Axial Asymmetry in ¹⁸⁹-¹⁹⁵Au

RADIOACTIVITY ^{189,189m,191,191m,193}Hg; measured γγ(t), γ X-ray(t), Eγ, Iγ, I(ce); deduced ICC. ^189,191,193Au deduced levels. ^{189,191,193,195}Au deduced systematics.

doi: 10.1016/0370-2693(75)90627-9
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1974HA10      Izv.Akad.Nauk SSSR, Ser.Fiz. 38, 2036 (1974); Bull.Acad.Sci.USSR, Phys.Ser. 38, No.10, 22 (1974)

J.H.Hamilton, E.H.Spejewski, R.L.Mlekodaj, W.-D.Schmidt-Ott, R.W.Fink, A.Xenoulis, K.R.Baker, J.L.Wood, G.Gowdy, H.K.Carter, B.D.Kern, K.J.Hofstetter, J.L.Weil, E.F.Zganjar, K.S.R.Sastry, F.T.Avignone, C.R.Bingham, L.L.Riedinger, L.Harwood, F.Turner, I.A.Sellin, D.J.Pegg, J.Lin, A.V.Ramayya, S.Lee, G.Garcia-Bermudez, E.Bosworth, K.S.Toth, N.R.Johnson

Initial UNISOR Research: New Isotopes ¹⁸⁶Tl, ¹⁸⁸Tl, ¹¹⁶I; Decays of ^189,190Tl, ¹¹⁷Xe, and ¹¹⁷I; and Off-Line Atomic and Nuclear Studies

RADIOACTIVITY ^116,117Xe, ^116,117I, ^{186,188,189,190}Tl; measured T_1/2, Eγ, Iγ, γγ, Eβ; deduced Q(β). ¹²⁶I measured γγ(θ, H). ¹¹⁷I, ¹¹⁶Te, ^188,190Hg deduced levels, J, π. ¹²⁶Xe level deduced g. On-line isotope separator UNISOR.

1973DJ01      Phys.Rev. C8, 323 (1973)

F.Djadali, K.Krien, R.A.Naumann, E.H.Spejewski

Isomeric States in Light Even Pb Isotopes

NUCLEAR REACTIONS ¹⁹⁸Hg(α, xnγ), E=40 MeV; ^198,200,202Hg(³He, xnγ), E=65 MeV; measured Eγ, Iγ, αγ(t), ³Heγ(t), γγ(t). ^{194,196,198,200}Pb levels deduced T_1/2.

doi: 10.1103/PhysRevC.8.323
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1973KR10      Phys.Rev. C7, 2484 (1973)

K.Krien, F.Djadali, R.A.Naumann, H.Hubel, E.H.Spejewski

Spectroscopic Investigation of Even-Even Neutron-Deficient Gd Isotopes

RADIOACTIVITY ^148,150Tb; measured Eγ, Iγ. ^148,150Gd deduced levels.

NUCLEAR REACTIONS ^144,148Sm(α, 2nγ), E=30 MeV; ¹⁴⁸Sm(α, 4nγ), E=48 MeV; measured Eγ, Iγ, Iγ(θ), γγ-coin, αγ(t). ^146,148,150Gd deduced levels, T_1/2, γ-branching, J, π.

doi: 10.1103/PhysRevC.7.2484
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1972HO09      Nucl.Phys. A184, 497 (1972)

P.K.Hopke, H.Hubel, R.A.Naumann, E.H.Spejewski, A.T.Strigachev

The Decay of ^195mPb and ^197mPb

RADIOACTIVITY ¹⁹⁵Pb, ¹⁹⁷Pb[from ²³⁸U(p, spallation)]; measured Eγ, Iγ, I(ce), γγ-coin; deduced J, π, log ft. ^195,197Tl deduced levels, J, π, ICC, γ-multipolarity.

doi: 10.1016/0375-9474(72)90424-1
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1972KR08      Phys.Rev. C5, 1751 (1972)

K.Krien, E.H.Spejewski, R.A.Naumann, H.Hubel

Properties of Levels in ¹⁹⁸Pb and ²⁰⁰Pb

RADIOACTIVITY ^198,200Bi; measured Eγ, Iγ, I(ce), Xγ-, γγ-delay. ^198,200Pb deduced levels, J, π, T_1/2, ICC, γ-multipolarity.

doi: 10.1103/PhysRevC.5.1751
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1972KR28      Phys.Rev. C6, 1847 (1972)

K.Krien, E.H.Spejewski, R.A.Naumann, H.Hubel

Electron-Capture Decay of ^105mAg

RADIOACTIVITY ^105mAg; measured Eγ, Iγ; deduced log ft, EC branching ratio. ¹⁰⁵Pd deduced levels, J, π.

doi: 10.1103/PhysRevC.6.1847
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1971HU02      Phys.Rev. C3, 756 (1971)

H.Hubel, R.A.Naumann, E.H.Spejewski

Levels in ¹⁸⁴Pt, ¹⁸⁶Pt, and ¹⁸⁸Pt

RADIOACTIVITY ¹⁸⁴Hg, ¹⁸⁴Au; measured Eγ, Iγ, γγ-coin. ¹⁸⁶Hg, ¹⁸⁶Au; measured Eγ, Iγ, I(ce), γγ-coin. ¹⁸⁸Hg, ¹⁸⁸Au; measured Eγ, Iγ, I(ce), γγ-coin. ¹⁸⁴Pt deduced levels, J, π, γ-branching. ^186,188Pt deduced levels, ICC, γ-multipolarity, J, π, γ-branching.

doi: 10.1103/PhysRevC.3.756
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1971HU14      Phys.Rev. C4, 2272 (1971); Erratum Phys.Rev. C5, 1438 (1972)

H.Hubel, R.A.Naumann, E.H.Spejewski

Decay of a Three-Quasiparticle State in ¹⁷⁷Ta

NUCLEAR REACTIONS ^175,176Lu(α, xnγ), E=24-48 MeV; measured Eγ, Iγ, αγ-delay. ^177mTa deduced T_1/2, J, π, γ-mixing.

doi: 10.1103/PhysRevC.4.2272
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1971SP03      Priv.Comm. (April 1971)

E.H.Spejewski, R.A.Naumann

1970HO15      Nucl.Phys. A149, 63 (1970)

P.K.Hopke, R.A.Naumann, E.H.Spejewski

Decay of ²⁰⁵At

RADIOACTIVITY ²⁰⁵At[from proton spallation of uranium]; measured Eγ, I(ce), K/(L+M); deduced log ft. ²⁰⁵Po deduced level, J, π. ²⁰⁵At deduced J, π.

doi: 10.1016/0375-9474(70)90379-9
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1970SP03      Nucl.Phys. A146, 182 (1970)

E.H.Spejewski, P.K.Hopke, F.W.Loeser, Jr.

Levels in ^119,121,123Te

RADIOACTIVITY ^119,121,123I[from proton spallation of lanthanum]; measured Eγ, Iγ, γγ-coin. ^119,121,123Te deduced levels.

doi: 10.1016/0375-9474(70)91097-3
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1969HO03      Phys.Rev. 177, 1802 (1969)

P.K.Hopke, R.A.Naumann, E.H.Spejewski

Spin of the 1029-keV Level in Hg²⁰⁰

RADIOACTIVITY ²⁰⁰Tl [from Pb(3-BeV p)]; measured Eγ, Iγ. ²⁰⁰Hg level deduced J, π, ICC. Ge(Li) detector.

doi: 10.1103/PhysRev.177.1802
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1969HO36      Phys.Rev. 187, 1704 (1969)

P.K.Hopke, R.A.Naumann, E.H.Spejewski, A.T.Strigachev

E3 Isomer in Ag¹⁰⁵

RADIOACTIVITY ^105mAg; measured T_1/2, Eγ, Iγ. ¹⁰⁵Ag; deduced J, π. ¹⁰⁵Pd; deduced log ft, EC-branching.

doi: 10.1103/PhysRev.187.1704
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1969HO37      Phys.Rev. 187, 1709 (1969); Supersedes PPAR-15

P.K.Hopke, R.A.Naumann, E.H.Spejewski

Levels in Bi²⁰³, Bi²⁰⁵, and Bi²⁰⁷

RADIOACTIVITY ^203,205,207Po; measured Eγ, Iγ, γγ-coin, I(ce); deduced log ft, Q. ^203,205,207Bi deduced levels, J, π, ICC, γ-multipolarities.

doi: 10.1103/PhysRev.187.1709
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1969SP07      Phys.Rev. 186, 1270 (1969); Supersedes PPAR-13

E.H.Spejewski, P.K.Hopke, F.W.Loeser, Jr.

Level Structure of Te^{116,118,120,122}

RADIOACTIVITY ^{116,118,120,122}I; measured Eγ, Iγ, γγ-coin. ^116,118,120Te deduced levels. ¹²²Te deduced levels, J, π. Ge(Li) detectors.

doi: 10.1103/PhysRev.186.1270
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1969ST18      Nucl.Phys. A139, 33 (1969)

C.L.Starke, E.A.Phillips, E.H.Spejewski

Radioactivity of ¹⁰⁵Cd and ¹⁰⁶In

RADIOACTIVITY ¹⁰⁵Cd, ¹⁰⁶In; measured Eγ, Iγ, T_1/2. ¹⁰⁵Ag, ¹⁰⁶Cd deduced levels, J, π. Ge(Li) detector.

doi: 10.1016/0375-9474(69)90257-7
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1968HS01      Nucl.Phys. A109, 423 (1968); Erratum Nucl.Phys. A141, 674 (1970)

S.T.Hsue, M.U.Kim, L.M.Langer, E.H.Spejewski

The Beta Decay of ¹³⁴Cs

RADIOACTIVITY ¹³⁴Cs; measured Eβ, Iβ, Qβ, β-spectrum shapes.

doi: 10.1016/0375-9474(68)90608-8
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1967HS03      Nucl.Phys. A101, 688(1967)

S.T.Hsue, M.U.Kim, L.M.Langer, E.H.Spejewski, J.B.Willett

Decay of ⁴⁷Ca

RADIOACTIVITY ⁴⁷Ca; measured Eβ, Iβ, Eγ, T_1/2. ⁴⁷Sc deduced levels. Ge(Li) detector.

doi: 10.1016/0375-9474(67)90661-6
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1967SP06      Nucl.Phys. A99, 625(1967)

E.H.Spejewski, J.B.Willett

The Negaton Spectrum of ³⁶Cl

RADIOACTIVITY ³⁶Cl; measured Eβ, spectrum shape; deduced Q, matrix elements.

doi: 10.1016/0375-9474(67)90375-2
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1967SP07      Nucl.Phys. A100, 236 (1967)

E.H.Spejewski

The Gamma-Ray Spectrum of ^210mBi

RADIOACTIVITY ^210mBi; measured Eγ, Iγ. ²⁰⁶Tl deduced levels. Ge(Li) detector.

doi: 10.1016/0375-9474(67)90367-3
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1967WI19      Nucl.Instr.Methods 52, 77 (1967)

J.B.Willett, E.H.Spejewski

A Method for Resolution Correction and Shape Factor Analysis of Beta Spectra

RADIOACTIVITY ³⁶Cl, ¹⁴³Pr, ¹⁸⁵W; measured β-spectra; deduced shape factors. ³⁶Cl, ¹⁸⁵W deduced Q.

doi: 10.1016/0029-554X(67)90560-5
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1966HS01      Nucl.Phys. 80, 657 (1966)

S.T.Hsue, L.M.Langer, E.H.Spejewski, S.M.Tang

Search for Post-End-Point Electrons and for Evidence of Neutrino Degeneracy

RADIOACTIVITY ¹⁴⁷Pm, ⁶³Ni; measured Eβ; deduced upper limit Fermi energy of neutrino sea.

doi: 10.1016/0029-5582(66)90072-1
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1966SP06      Nucl.Phys. 82, 481 (1966)

E.H.Spejewski

Beta-Spectrum Shape Measurements with a 4π Semiconductor Spectrometer

RADIOACTIVITY ¹⁴³Pr, ¹⁸⁵W; measured β-spectrum shape. ¹⁹⁸Au, ⁸⁶Rb; measured βγ- coin (spectrum shape). ¹⁷⁰Tm; measured βγ- coin (spectrum shape), Eβ.

doi: 10.1016/0029-5582(66)90465-2
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1965KA09      Nucl.Phys. 69, 477 (1965)

T.Katoh, E.H.Spejewski

A Search for Weak Transitions in the Decay of Eu¹⁵²

NUCLEAR STRUCTURE ¹⁵²Eu; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(65)90066-0
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1964LA03      Phys.Rev. 133, B1145 (1964)

L.M.Langer, E.H.Spejewski, D.E.Wortman

Shape of the Positron Spectrum of Rb⁸⁴

NUCLEAR STRUCTURE ⁸⁴Rb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.133.B1145
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1964LA13      Phys.Rev. 135, B581(1964)

L.M.Langer, E.H.Spejewski, D.E.Wortman

Precise Shape Measurements of Beta Spectra of Y⁹⁰ and Y⁹¹

NUCLEAR STRUCTURE ⁹¹Y, ⁹⁰Y; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.135.B581
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1963LA13      Phys.Rev. 132, 2616 (1963)

L.M.Langer, E.H.Spejewski, D.E.Wortman

Beta Spectrum of Ca⁴⁷

NUCLEAR STRUCTURE ⁴⁷Ca; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.132.2616
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1962HO14      Phys.Rev. 128, 2748 (1962)

D.A.Howe, L.M.Langer, E.H.Spejewski, D.E.Wortman

Beta Spectrum of Mn⁵⁶

NUCLEAR STRUCTURE ⁵⁶Mn; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.128.2748
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Note: The following list of authors and aliases matches the search parameter E.H.Spejewski: , E.H.SPEJEWSKI