NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = S.A.Kreek Found 15 matches. 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.
1994BR36 Nucl.Instrum.Methods Phys.Res. A339, 209 (1994) E.Browne, I.Ahmad, K.E.Gregorich, S.A.Kreek, D.M.Lee, D.C.Hoffman Electron-Capture Decay of 231U RADIOACTIVITY 231U(EC) [from 233U(p, 3n)231Np(EC-decay)]; measured Eγ, Iγ, I(ce), E(X-ray), I(X-ray), γγ-coin; deduced (ce)-emission probability. 231Pa levels deduced probability, γ-multipolarity, ICC.
doi: 10.1016/0168-9002(94)91806-6
1994CZ04 Radiochim.Acta 64, 23 (1994) K.R.Czerwinski, K.E.Gregorich, N.J.Hannink, C.D.Kacher, B.A.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, A.Turler, G.T.Seaborg, D.C.Hoffman Solution Chemistry of Element 104: Part I. Liquid-liquid extractions with triisooctylamine
1994CZ05 Radiochim.Acta 64, 29 (1994) K.R.Czerwinski, C.D.Kacher, K.E.Gregorich, T.M.Hamilton, N.J.Hannink, B.A.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, A.Turler, G.T.Seaborg, D.C.Hoffman Solution Chemistry of Element 104: Part II. Liquid-liquid extractions with tributylphosphate
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
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
1992GR02 Phys.Rev. C45, 1058 (1992) K.E.Gregorich, H.L.Hall, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, S.A.Kreek, B.A.Kadkhodayan, M.J.Nurmia, D.M.Lee, D.C.Hoffman Fission Branch in 259Lr and Confirmation of 258Lr and 259Lr Mass Assignments RADIOACTIVITY 259,258Lr [from 248Cm(15N, 4n), (15N, 5n), E=93 MeV]; 255,254Fm(α) [from 255,254Md decay following 259,258Lr(α-decay)]; measured α-spectra, αα-correlations. 258Lr deduced T1/2, mass assignment. 259Lr deduced T1/2, SF-decay branch, mass assignment.
doi: 10.1103/PhysRevC.45.1058
1992HA22 Phys.Rev. C46, 1873 (1992) T.M.Hamilton, K.E.Gregorich, D.M.Lee, K.R.Czerwinski, N.J.Hannink, C.D.Kacher, B.Kadkhodayan, S.A.Kreek, M.J.Nurmia, M.R.Lane, M.P.Neu, A.Turler, D.C.Hoffman Spontaneous Fission Properties of 259Lr103 NUCLEAR REACTIONS 248Cm(15N, 4n), E=81 MeV; measured Eα, Iα. RADIOACTIVITY 259Lr(α), (SF) [from 248Cm(15N, 4n), E=81 MeV]; measured Eα, Iα, T1/2, fission fragment mass, kinetic energy distribution, SF- to α-decay ratio.
doi: 10.1103/PhysRevC.46.1873
1992KA08 Radiochim.Acta 56, 1 (1992) B.Kadkhodayan, R.A.Henderson, H.L.Hall, J.D.Leyba, K.R.Czerwinski, S.A.Kreek, N.J.Hannink, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Identification of 253Md NUCLEAR REACTIONS 243Am(13C, 3n), E=66-74 MeV; measured α-spectra, production σ; deduced evidence for 253Md. RADIOACTIVITY 253Md(α) [from 243Am(13C, 3n), E=66-74 MeV]; measured α-spectra, 252,253Fm growth curves, T1/2.
doi: 10.1524/ract.1992.56.1.1
1991LE19 Phys.Rev. C44, 1850 (1991) J.D.Leyba, R.A.Henderson, H.L.Hall, K.R.Czerwinski, B.A.Kadkhodayan, S.A.Kreek, E.K.Brady, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Excitation Functions for Actinides Produced in the Interactions of 31P with 248Cm NUCLEAR REACTIONS, ICPND 248Cm(31P, X), E=174-239 MeV; measured σ(E) for Bk, Cf, Es, Fm isotopes production. Potential energy surface calculations comparison.
doi: 10.1103/PhysRevC.44.1850
1990HA02 Phys.Rev. C41, 618 (1990) H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, D.C.Hoffman, C.E.A.Palmer, P.A.Baisden Electron-Capture-Delayed Fission Properties of 234Am RADIOACTIVITY 234Am(EC) [from 237Np(α, 7n), E=75 MeV]; measured EC-delayed fission T1/2, probability, (X-ray)(fragment)-correlation, (X-ray)γ-coin, Eγ, Iγ, Eα, Iα; deduced α-branching. Rotating wheel system. NUCLEAR REACTIONS 237Np(α, 7n), E=75 MeV; measured X-ray spectra; deduced residual production σ.
doi: 10.1103/PhysRevC.41.618
1990HA28 Phys.Rev. C42, 1480 (1990) H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, N.J.Hannink, D.M.Lee, M.J.Nurmia, D.C.Hoffman, C.E.A.Palmer, P.A.Baisden Electron-Capture-Delayed Fission Properties of 232Am RADIOACTIVITY 232Am(EC) [from 237Np(α, 9n), E=99 MeV]; measured EC-delayed fission T1/2, (fragment)(X-ray)-, (fragment)γ-coin; deduced delayed-fission probability. Multiple 237Np targets, rotating wheel system. NUCLEAR REACTIONS, ICPND 237Np(α, 9n), E=99 MeV; measured (particle)(X-ray)-, (particle)(γ)-coin following residue fission; deduced residue production σ.
doi: 10.1103/PhysRevC.42.1480
1990HO03 Phys.Rev. C41, 631 (1990) D.C.Hoffman, D.M.Lee, K.E.Gregorich, M.J.Nurmia, R.B.Chadwick, K.B.Chen, K.R.Czerwinski, C.M.Gannett, H.L.Hall, R.A.Henderson, B.Kadkhodayan, S.A.Kreek, J.D.Leyba Spontaneous Fission Properties of 2.9-s 256No RADIOACTIVITY 256No(α), (SF) [from 248Cm(12C, X), E=71 MeV]; measured T1/2, Eα, Qα, α/SF ratio, (fragment)(fragment) kinetic energies, total kinetic energy distribution; deduced fragment mass distributions. NUCLEAR REACTIONS, ICPND 248Cm(12C, 4n), E=71 MeV; measured Eα, Iα; deduced residual production σ.
doi: 10.1103/PhysRevC.41.631
1990LE09 Phys.Rev. C41, 2092 (1990) J.D.Leyba, R.A.Henderson, H.L.Hall, C.M.Gannett, R.B.Chadwick, K.R.Czerwinski, B.A.Kadkhodayan, S.A.Kreek, G.R.Haynes, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Heavy Actinide Production from the Interactions of 40Ar with 248Cm and a Comparison with the 44Ca-248Cm System NUCLEAR REACTIONS, ICPND 248Cm(40Ar, X), E=207, 225, 245, 266, 286 MeV; measured σ(E) for production of Bk, Cf, Es, Fm Isotopes. Radiochemical separations.
doi: 10.1103/PhysRevC.41.2092
1989HA37 Phys.Rev.Lett. 63, 2548 (1989) H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, D.C.Hoffmann Direct Proof of Electron-Capture-Delayed-Fission Process RADIOACTIVITY 234Am(EC), (β+) [from 237Np(α, X), E=70-73 MeV]; measured delayed fission (K X-ray)-, fission (fragment)(γ)-coin; deduced T1/2, evidence for (EC)-delayed fission process. 234Pu levels deduced I(K X-ray).
doi: 10.1103/PhysRevLett.63.2548
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