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NSR database version of May 20, 2024.

Search: Author = E.H.Spejewski

Found 55 matches.

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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 108,110,112,114,116,118,120,122Cd. 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 116Agm1, 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 110,112,114,116,118,120Cd.

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 T1/2. 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,201Tl; measured hfs; deduced hfs constants. 190m,192m,193,194,194m,201,203Tl deduced μ, rms radii differences. 193m,191m,189mTl 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, T1/2, 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 h9/2 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, T1/2, γγ-coin. 117I, 117Te deduced levels, relative Iγ. 117Sb(EC), (β+) [from 117Te decay]; measured T1/2. 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 T1/2, 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 T1/2. 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. 192,190,188,186Pb deduced α-decay T1/2, 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 T1/2, 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 205,206,207,208Fr: Identification of 206mFr

RADIOACTIVITY 205,206,207,208Fr; measured Eγ, Iγ, Eα, Iα; deduced α-branching ratios. 206mFr deduced T1/2. 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, T1/2; 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, T1/2.

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 T1/2, 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, T1/2; 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), T1/2. 184Hg deduced levels, J, π, λ, T1/2.

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, T1/2, 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 T1/2, 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 184,185,186,187Tl; measured Eα, T1/2. 184,186Tl deduced α-branching.

doi: 10.1016/0370-2693(76)90636-5
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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 T1/2, 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,193Hg; measured γγ(t), γ X-ray(t), Eγ, Iγ, I(ce); deduced ICC. 189,191,193Au deduced levels. 189,191,193,195Au 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, 186,188,189,190Tl; measured T1/2, 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). 194,196,198,200Pb levels deduced T1/2.

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


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 T1/2, 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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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 T1/2, 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 Te116,118,120,122

RADIOACTIVITY 116,118,120,122I; 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, T1/2. 105Ag, 106Cd deduced levels, J, π. Ge(Li) detector.

doi: 10.1016/0375-9474(69)90257-7
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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, T1/2. 47Sc deduced levels. Ge(Li) detector.

doi: 10.1016/0375-9474(67)90661-6
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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Note: The following list of authors and aliases matches the search parameter E.H.Spejewski: , E.H.SPEJEWSKI