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NSR database version of April 27, 2024.

Search: Author = E.R.Sylwester

Found 14 matches.

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2002SH02      Phys.Rev. C65, 024612 (2002)

D.A.Shaughnessy, K.E.Gregorich, J.L.Adams, M.R.Lane, C.A.Laue, D.M.Lee, C.A.McGrath, V.Ninov, J.B.Patin, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

Electron-Capture Delayed Fission Properties of 244Es

RADIOACTIVITY 244Es(EC) [from 237Np(12C, 5n)]; measured EC-delayed fission T1/2, Eα, fission fragment energies, mass distribution; deduced delayed fission probability.

NUCLEAR REACTIONS 237Np(12C, 5n), E=81 MeV; measured σ.

doi: 10.1103/PhysRevC.65.024612
Citations: PlumX Metrics

2001SH09      Phys.Rev. C63, 037603 (2001)

D.A.Shaughnessy, K.E.Gregorich, M.R.Lane, C.A.Laue, D.M.Lee, C.A.McGrath, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

Electron-Capture Delayed Fission Probabilities of 248Es and 246Es

RADIOACTIVITY 246,248Es(EC) [from 249Cf(p, xn)]; measured EC-delayed fission probability. Systematics of fission probability vs Q(EC) discussed.

doi: 10.1103/PhysRevC.63.037603
Citations: PlumX Metrics

2000LA25      Phys.Rev. C61, 067603 (2000)

C.A.Laue, K.E.Gregorich, R.Sudowe, J.L.Adams, M.R.Lane, D.M.Lee, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

Half-Life of 232Pu and Excitation Function for the 233U (3He, 4n)232Pu Reaction

NUCLEAR REACTIONS 233U(3He, 4n), E=28-47 MeV; measured excitation function.

RADIOACTIVITY 232Pu(α) [from 233U(3He, 4n)]; measured T1/2.

doi: 10.1103/PhysRevC.61.067603
Citations: PlumX Metrics

2000SH10      Phys.Rev. C61, 044609 (2000)

D.A.Shaughnessy, J.L.Adams, K.E.Gregorich, M.R.Lane, C.A.Laue, D.M.Lee, C.A.McGrath, J.B.Patin, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

Electron-Capture Delayed Fission Properties of 242Es

RADIOACTIVITY 242Es(EC), (α) [from 233U(14N, 5n)]; measured ec-delayed fission T1/2, fragment mass yields, total kinetic energies; deduced delayed fission probability.

doi: 10.1103/PhysRevC.61.044609
Citations: PlumX Metrics

2000SY01      Radiochim.Acta 88, 837 (2000)

E.R.Sylwester, K.E.Gregorich, D.M.Lee, B.Kadkhodayan, A.Turler, J.L.Adams, C.D.Kacher, M.R.Lane, C.A.Laue, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, P.A.Wilk, D.C.Hoffman

On-line gas chromatographic studies of Rf, Zr, and Hf bromides

RADIOACTIVITY 98Zr(β-);162Hf(EC); measured Eγ, Iγ. 261Rf(α); measured Eα, Iα, half-life.

1999LA14      Phys.Rev. C59, 3086 (1999)

C.A.Laue, K.E.Gregorich, R.Sudowe, M.B.Hendricks, J.L.Adams, M.R.Lane, D.M.Lee, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

New Plutonium Isotope: 231Pu

NUCLEAR REACTIONS 233U(3He, 5n), E=42-47 MeV; measured αα-coin following residual nucleus decay; deduced evidence for 231Pu. Gas transport, chemical separation.

RADIOACTIVITY 231Pu(α), (EC); measured Eα, T1/2, branching ratio; deduced logft, Q(α).

doi: 10.1103/PhysRevC.59.3086
Citations: PlumX Metrics

1998LA30      Phys.Rev. C58, 3413 (1998)

M.R.Lane, K.E.Gregorich, D.M.Lee, B.Wierczinski, C.A.McGrath, M.B.Hendricks, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

Production Cross Sections of 105261Ha from the 250Cf(15N, 4n) and 243Am(22Ne, 4n) Reactions

NUCLEAR REACTIONS, ICPND 250Cf(15N, 4n), E=84 MeV; 243Am(22Ne, 4n), E=116 MeV; measured α-spectra following residual decay; deduced production σ.

doi: 10.1103/PhysRevC.58.3413
Citations: PlumX Metrics

1997SC48      Radiochim.Acta 77, 149 (1997)

M.Schadel, W.Bruchle, B.Schausten, E.Schimpf, E.Jager, G.Wirth, R.Gunther, J.V.Kratz, W.Paulus, A.Seibert, P.Thorle, N.Trautmann, S.Zauner, D.Schumann, M.Andrassy, R.Misiak, K.E.Gregorich, D.C.Hoffman, D.M.Lee, E.R.Sylwester, Y.Nagame, Y.Oura

First Aqueous Chemistry with Seaborgium (Element 106)

RADIOACTIVITY 265,266Sg(α), (SF) [from 248Cm(22Ne, xn)]; measured T1/2. Chemical separation.

1997WI15      Phys.Rev. C56, 1626 (1997); Erratum Phys.Rev. C58, 1352 (1998)

P.A.Wilk, K.E.Gregorich, M.B.Hendricks, M.R.Lane, D.M.Lee, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, D.C.Hoffman

Improved Half-Life Measurement of 224Pa and Its 209Bi(18O, 3n)224Pa Production Cross Section

RADIOACTIVITY 224Pa(α) [from 209Bi(18O, 3n), E=111 MeV]; measured Eα, T1/2.

NUCLEAR REACTIONS, ICPND 209Bi(18O, 3n), E=111 MeV; measured Eα; deduced 224Pa production σ.

doi: 10.1103/PhysRevC.56.1626
Citations: PlumX Metrics

1996KA66      Radiochim.Acta 72, 169 (1996)

B.Kadkhodayan, A.Turler, K.E.Gregorich, P.A.Baisden, K.R.Czerwinski, B.Eichler, H.W.Gaggeler, T.M.Hamilton, D.T.Jost, C.D.Kacher, A.Kovacs, S.A.Kreek, M.R.Lane, M.F.Mohar, M.P.Neu, N.J.Stoyer, E.R.Sylwester, D.M.Lee, M.J.Nurmia, G.T.Seaborg, D.C.Hoffman

On-line Gas Chromatographic Studies of Chlorides of Rutherfordium and Homologs Zr and Hf

RADIOACTIVITY 98Zr(β-);162Hf(EC); measured Eγ, Iγ, half-lives. 261Rf(α); measured Eα, Iα, half-life.

1996LA11      Phys.Rev. C53, 2893 (1996)

M.R.Lane, K.E.Gregorich, D.M.Lee, M.F.Mohar, M.Hsu, C.D.Kacher, B.Kadkhodayan, M.P.Neu, N.J.Stoyer, E.R.Sylwester, J.C.Yang, D.C.Hoffman

Spontaneous Fission Properties of 104262Rf

NUCLEAR REACTIONS 244Pu(22Ne, 4n), E=114 MeV; measured residual production σ.

RADIOACTIVITY 262Rf(SF) [from 244Pu(22Ne, 4n), E=114 MeV]; measured T1/2, (fragment)(fragment)-coin, kinetic energies, total kinetic energy distribution; deduced mass distribution, α-decay branch upper limit.

doi: 10.1103/PhysRevC.53.2893
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13981.

1994GR08      Phys.Rev.Lett. 72, 1423 (1994)

K.E.Gregorich, M.R.Lane, M.F.Mohar, D.M.Lee, C.D.Kacher, E.R.Sylwester, D.C.Hoffman

First Confirmation of the Discovery of Element 106

NUCLEAR REACTIONS 249Cf(18O, 4n), E=95 MeV; measured Eα, Iα following residual, daughter decay; deduced production σ.

RADIOACTIVITY 263Sg(α) [from 249Cf(18O, 4n), E=95 MeV]; 259Rf(α) [from 263Sg α-decay]; measured Eα, Iα, T1/2.

doi: 10.1103/PhysRevLett.72.1423
Citations: PlumX Metrics

1994KR03      Phys.Rev. C49, 1859 (1994)

S.A.Kreek, H.L.Hall, K.E.Gregorich, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, M.P.Neu, C.D.Kacher, T.M.Hamilton, M.R.Lane, E.R.Sylwester, A.Turler, D.M.Lee, M.J.Nurmia, D.C.Hoffman

Electron-Capture Delayed Fission Properties of the New Isotope 238Bk

NUCLEAR REACTIONS 241Am(α, 7n), E=75 MeV; measured residue production σ. 238Bk deduced EC-delayed fission probability, T1/2. Isotope obtained by chemical separation, identification from daughter activity measurements.

RADIOACTIVITY 238Bk(EC) [from 241Am(α, 7n), E=75 MeV]; measured EC-delayed fission (fragment)(X-ray)-coin, T1/2; deduced delayed fission probability.

doi: 10.1103/PhysRevC.49.1859
Citations: PlumX Metrics

1994KR13      Phys.Rev. C50, 2288 (1994)

S.A.Kreek, H.L.Hall, K.E.Gregorich, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, M.P.Neu, C.D.Kacher, T.M.Hamilton, M.R.Lane, E.R.Sylwester, A.Turler, D.M.Lee, M.J.Nurmia, D.C.Hoffman

Electron-Capture Delayed Fission Properties of 228Np

RADIOACTIVITY 228Np(EC), (α) [from 233U(p, 6n), E=50 MeV]; measured fission (fragment)(X-ray)-coin; deduced EC-delayed fission T1/2, fission probability, fragment mass yield distribution, EC/α-decay ratio.

NUCLEAR REACTIONS, ICPND 233U(p, 6n), E=50 MeV; measured (particle)(X-ray)-coin; deduced residual production σ.

doi: 10.1103/PhysRevC.50.2288
Citations: PlumX Metrics

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Note: The following list of authors and aliases matches the search parameter E.R.Sylwester: , E.R.SYLWESTER