NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = D.M.Lee Found 61 matches. 2019HO18 J.Phys.(London) G46, 083001 (2019) C.J.Horowitz, A.Arcones, B.Cote, I.Dillmann, W.Nazarewicz, I.U.Roederer, H.Schatz, A.Aprahamian, D.Atanasov, A.Bauswein, T.C.Beers, J.Bliss, M.Brodeur, J.A.Clark, A.Frebel, F.Foucart, C.J.Hansen, O.Just, A.Kankainen, G.C.McLaughlin, J.M.Kelly, S.N.Liddick, D.M.Lee, J.Lippuner, D.Martin, J.Mendoza-Temis, B.D.Metzger, M.R.Mumpower, G.Perdikakis, J.Pereira, B.W.O'Shea, R.Reifarth, A.M.Rogers, D.M.Siegel, A.Spyrou, R.Surman, X.Tang, T.Uesaka, M.Wang r-process nucleosynthesis: connecting rare-isotope beam facilities with the cosmos
doi: 10.1088/1361-6471/ab0849
2005ST16 Nucl.Instrum.Methods Phys.Res. A543, 509 (2005) L.Stavsetra, K.E.Gregorich, J.Alstad, H.Breivik, K.Eberhardt, C.M.Folden III, T.N.Ginter, M.Johansson, U.W.Kirbach, D.M.Lee, M.Mendel, L.A.Omtvedt, J.B.Patin, G.Skarnemark, R.Sudowe, P.A.Wilk, P.M.Zielinski, H.Nitsche, D.C.Hoffman, J.P.Omtvedt Liquid-scintillation detection of preseparated 257Rf with the SISAK-system NUCLEAR REACTIONS 208Pb(50Ti, n), E=237 MeV; measured delayed αα-coin; deduced evidence for 257Rf. Gas-filled separator, fast liquid-liquid extraction system.
doi: 10.1016/j.nima.2004.12.010
2003DU27 Czech.J.Phys. (Supplement) 53, A291 (2003) Ch.E.Dullmann, R.Dressler, B.Eichler, H.W.Gaggeler, F.Glaus, D.T.Jost, D.Piguet, S.Soverna, A.Turler, W.Bruchle, R.Eichler, E.Jager, V.Pershina, M.Schadel, B.Schausten, E.Schimpf, H.-J.Schott, G.Wirth, K.Eberhardt, P.Thorle, N.Trautmann, T.N.Ginter, K.E.Gregorich, D.C.Hoffman, U.W.Kirbach, D.M.Lee, H.Nitsche, J.B.Patin, R.Sudowe, P.M.Zielinski, S.N.Timokhin, A.B.Yakushev, A.Vahle, Z.Qin First chemical investigation of hassium (Hs, Z=108) RADIOACTIVITY 269,270Hs(α); measured Eα, Iα.
doi: 10.1007/s10582-003-0037-4
2003GI05 Phys.Rev. C 67, 064609 (2003); Erratum Phys.Rev. C 68, 029901 (2003) T.N.Ginter, K.E.Gregorich, W.Loveland, D.M.Lee, U.W.Kirbach, R.Sudowe, C.M.Folden III, J.B.Patin, N.Seward, P.A.Wilk, P.M.Zielinski, K.Aleklett, R.Eichler, H.Nitsche, D.C.Hoffman Confirmation of production of element 110 by the 208Pb(64Ni, n) reaction NUCLEAR REACTIONS 208Pb(64Ni, n), E=312.5, 315, 317.5 MeV: measured delayed (recoil)α-coin; deduced production σ. RADIOACTIVITY 271Ds, 267Hs, 263Sg, 259Rf, 255No(α) [from 208Pb(64Ni, n) and subsequent decay]; measured Eα.
doi: 10.1103/PhysRevC.67.064609
2003GR26 Eur.Phys.J. A 18, 633 (2003) K.E.Gregorich, T.N.Ginter, W.Loveland, D.Peterson, J.B.Patin, C.M.Folden III, D.C.Hoffman, D.M.Lee, H.Nitsche, J.P.Omtvedt, L.A.Omtvedt, L.Stavsetra, R.Sudowe, P.A.Wilk, P.M.Zielinski, K.Aleklett Cross-section limits for the 208Pb(86Kr, n)293118 reaction NUCLEAR REACTIONS 208Pb(86Kr, X), E=449 MeV; measured evaporation residue yields; deduced no evidence for 293Og. 208Pb(86Kr, n), E=449 MeV; deduced production σ upper limit.
doi: 10.1140/epja/i2002-10165-x
2003TU05 Eur.Phys.J. A 17, 505 (2003) A.Turler, Ch.E.Dullmann, H.W.Gaggeler, U.W.Kirbach, A.B.Yakushev, M.Schadel, W.Bruchle, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, T.N.Ginter, F.Glaus, K.E.Gregorich, D.C.Hoffman, E.Jager, D.T.Jost, D.M.Lee, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, B.Schausten, E.Schimpf, H.-J.Schott, S.Soverna, R.Sudowe, P.Thorle, S.N.Timokhin, N.Trautmann, A.Vahle, G.Wirth, P.M.Zielinski On the decay properties of 269Hs and indications for the new nuclide 270Hs NUCLEAR REACTIONS 248Cm(26Mg, xn), E=143.7-146.8 MeV; measured residual nucleus decay; deduced evidence for 269,270Hs. Chemical separation. RADIOACTIVITY 269,270Hs, 265,266Sg, 261Rf, 257No(α) [from 248Cm(26Mg, xn) and subsequent decay]; measured Eα, T1/2. 261,262Rf(SF); measured fission fragment energies.
doi: 10.1140/epja/i2002-10163-0
2002DU21 Nature(London) 418, 859 (2002) Ch.E.Dullmann, W.Bruchle, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, H.W.Gaggeler, T.N.Ginter, F.Glaus, K.E.Gregorich, D.C.Hoffman, E.Jager, D.T.Jost, U.W.Kirbach, D.M.Lee, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, H.-J.Schott, S.Soverna, R.Sudowe, P.Thorle, S.N.Timokhin, N.Trautmann, A.Turler, A.Vahle, G.Wirth, A.B.Yakushev, P.M.Zielinski Chemical investigation of hassium (element 108) RADIOACTIVITY 269,270Hs, 265,266Sg, 261Rf(α) [from 248Cm(26Mg, xn) and subsequent decay]; measured Eα. Chemical properties of hassium discussed.
doi: 10.1038/nature00980
2002KI25 Nucl.Instrum.Methods Phys.Res. A484, 587 (2002) U.W.Kirbach, C.M.Folden III, T.N.Ginter, K.E.Gregorich, D.M.Lee, V.Ninov, J.P.Omtvedt, J.B.Patin, N.K.Seward, D.A.Strellis, R.Sudowe, A.Turler, P.A.Wilk, P.M.Zielinski, D.C.Hoffman, H.Nitsche The Cryo-Thermochromatographic Separator (CTS): A new rapid separation and α-detection system for on-line chemical studies of highly volatile osmium and hassium (Z=108) tetroxides
doi: 10.1016/S0168-9002(01)01990-8
2002NI10 Phys.Rev.Lett. 89, 039901 (2002); see also 1999Ni03 V.Ninov, K.E.Gregorich, W.Loveland, A.Ghiorso, D.C.Hoffman, D.M.Lee, H.Nitsche, W.J.Swiatecki, U.W.Kirbach, C.A.Laue, J.L.Adams, J.B.Patin, D.A.Shaughnessy, D.A.Strellis, P.A.Wilk Editorial Note: Observation of Superheavy Nuclei Produced in the Reaction of 86Kr with 208Pb
doi: 10.1103/PhysRevLett.89.039901
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
2001NI02 Nucl.Phys. A682, 98c (2001) V.Ninov, K.E.Gregorich, T.N.Ginter, F.P.Hessberger, R.Krucken, D.M.Lee, W.Loveland, W.D.Myers, J.Patin, M.W.Rowe, N.K.Seward, W.J.Swiatecki, A.Turler, P.A.Wilk Production and Structure of the Heaviest Elements
doi: 10.1016/S0375-9474(00)00627-8
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
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
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
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.
2000WI15 Phys.Rev.Lett. 85, 2697 (2000) P.A.Wilk, K.E.Gregorich, A.Turler, C.A.Laue, R.Eichler, V.Ninov, J.L.Adams, U.W.Kirbach, M.R.Lane, D.M.Lee, J.B.Patin, D.A.Shaughnessy, D.A.Strellis, H.Nitsche, D.C.Hoffman Evidence for New Isotopes of Element 107: 266Bh and 267Bh NUCLEAR REACTIONS 249Bk(22Ne, 4n), (22Ne, 5n), E ≈ 117, 123 MeV; measured α spectra, αα-coin following residual nucleus decay; deduced production σ. RADIOACTIVITY 266,267Bh(α) [from 249Bk(22Ne, xn)]; measured Eα, T1/2.
doi: 10.1103/PhysRevLett.85.2697
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
1999NI03 Phys.Rev.Lett. 83, 1104 (1999); Erratum Phys.Rev.Lett. 89, 039901 (2002); see also 2002GrZZ V.Ninov, K.E.Gregorich, W.Loveland, A.Ghiorso, D.C.Hoffman, D.M.Lee, H.Nitsche, W.J.Swiatecki, U.W.Kirbach, C.A.Laue, J.L.Adams, J.B.Patin, D.A.Shaughnessy, D.A.Strellis, P.A.Wilk Observation of Superheavy Nuclei Produced in the Reaction of 86Kr with 208Pb NUCLEAR REACTIONS 208Pb(86Kr, n), E=449 MeV; measured α-spectra, (recoil)α-, αα-coin following residual nucleus decay, production σ; deduced evidence for 293Og, 289Lv, 285Fl, 281Cn, 277Ds, 273Hs, 269Sg. Gas-filled separator. RADIOACTIVITY 293Og, 289Lv, 285Fl, 281Cn, 277Ds, 273Hs(α) [from 208Pb(86Kr, n) and subsequent α-decay]; measured Eα, T1/2.
doi: 10.1103/PhysRevLett.83.1104
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
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
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
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
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
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
1993ZI06 Radiochim.Acta 60, 11 (1993) H.P.Zimmermann, M.K.Gober, J.V.Kratz, M.Schadel, W.Bruchle, E.Schimpf, K.E.Gregorich, A.Turler, K.R.Czerwinski, N.J.Hannink, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, J.Kovacz, U.W.Scherer, A.Weber Chemical Properties of Element 105 in Aqueous Solution: Back extraction from triisooctyl amine into 0.5 M HCl NUCLEAR REACTIONS 249Bk(18O, 5n), (18O, 4n), E=99 MeV; measured Eα, Iα, SF-decay activities of residuals; deduced non-tantulum like behavior of element 105. RADIOACTIVITY 262,263Db(α), (SF) [from 249Bk(18O, 5n), (18O, 4n), E=99 MeV]; 258,259Lr(α) [from 262,263Db α-decay]; measured Eα, Iα, αα(t); deduced non-tantulum like behavior of element 105.
1992BR12 Phys.Rev. C45, 2343 (1992) M.L.Brooks, B.Bassalleck, B.D.Dieterle, R.A.Reeder, D.M.Lee, J.A.McGill, M.E.Schillaci, R.A.Ristinen, W.R.Smythe Neutron Induced Pion Production on C, Al, Cu, and W at 200-600 MeV NUCLEAR REACTIONS C, 27Al, Cu, N(n, π+), (n, π-), E=200, 600 MeV; measured σ(θ, E), θ=(25°, 125°); deduced π- to π+ ratio. Intranuclear cascade model.
doi: 10.1103/PhysRevC.45.2343
1992GA31 Radiochim.Acta 57, 93 (1992) H.W.Gaggeler, D.T.Jost, J.Kovacs, U.W.Scherer, A.Weber, D.Vermeulen, A.Turler, K.E.Gregorich, R.A.Henderson, K.R.Czerwinski, B.Kadkhodayan, D.M.Lee, M.Nurmia, D.C.Hoffman, J.V.Kratz, M.K.Gober, H.P.Zimmermann, M.Schadel, W.Bruchle, E.Schimpf, I.Zvara Gas Phase Chromatography Experiments with Bromides for Tantalum and Element 105 RADIOACTIVITY 262,263Db(SF) [from 249Bk(18O, X), E=114 MeV]; measured decay products, Eα, Iα; deduced T1/2, σ.
1992GO28 Radiochim.Acta 57, 77 (1992) M.K.Gober, J.V.Kratz, H.P.Zimmermann, M.Schadel, W.Bruchle, E.Schimpf, K.E.Gregorich, A.Turler, N.J.Hannink, K.R.Czerwinski, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, J.Kovacz, U.W.Scherer, A.Weber Chemical Properties of Element 105 in Aqueous Solution: Extractions into dissobutylcarbinol NUCLEAR REACTIONS 249Bk(18O, 4n), (18O, 5n), E=99 MeV; measured Eα, Iα, residuals fission activities; deduced 262Db, 263Db element chemical properties.
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
1992KA57 Nucl.Instrum.Methods Phys.Res. A317, 254 (1992) B.Kadkhodayan, A.Turler, K.E.Gregorich, M.J.Nurmia, D.M.Lee, D.C.Hoffman The heavy element volatility instrument (HEVI)
doi: 10.1016/0168-9002(92)90616-C
1992KR01 Phys.Rev. C45, 1064 (1992) J.V.Kratz, M.K.Gober, H.P.Zimmermann, M.Schadel, W.Bruchle, E.Schimpf, K.E.Gregorich, A.Turler, N.J.Hannink, K.R.Czerwinski, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, J.Kovacz, U.W.Scherer, A.Weber New Nuclide 263Ha RADIOACTIVITY 263Db(α), (SF) [from 249Bk(18O, 4n), E=93 MeV]; measured T1/2, Eα, Iα, (α)(SF-decay fragment)-, (α, α)-correlations; deduced α/SF branching ratios. Rapid chemical separation. NUCLEAR REACTIONS 249Bk(18O, 4n), E=93 MeV; measured Eα, Iα, αα-correlations; deduced evidence for 263Db.
doi: 10.1103/PhysRevC.45.1064
1992SC30 Radiochim.Acta 57 85 (1992) M.Schadel, W.Bruchle, E.Schimpf, H.P.Zimmermann, M.K.Gober, J.V.Kratz, N.Trautmann, H.Gaggeler, D.Jost, J.Kovacs, U.W.Scherer, A.Weber, K.E.Gregorich, A.Turler, K.R.Czerwinski, N.J.Hannink, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman Chemical Properties of Element 105 in Aqueous Solution: Cation Exchange Separations with α-Hydroxyisobutyric Acid NUCLEAR REACTIONS 249Bk(18O, 5n), (18O, 4n), E=99 MeV; measured reaction products, Eα, Iα. 258,259Lr; deduced T1/2, σ.
1992TU04 Phys.Rev. C46, 1364 (1992) A.Turler, H.R.von Gunten, J.D.Leyba, D.C.Hoffman, D.M.Lee, K.E.Gregorich, D.A.Bennett, R.M.Chasteler, C.M.Gannett, H.L.Hall, R.A.Henderson, M.J.Nurmia Actinide Production from the Interactions of 40Ca and 44Ca with 248Cm and a Comparison with the 48Ca + 248Cm System NUCLEAR REACTIONS 248Cm(40Ca, X), (44Ca, X), E=231-323 MeV; measured production σ(E) for 227Th to 249Cm; deduced isotopic distribution widths.
doi: 10.1103/PhysRevC.46.1364
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
1990BU08 Phys.Rev. C41, 2215 (1990) W.J.Burger, E.Beise, S.Gilad, R.P.Redwine, P.G.Roos, N.S.Chant, H.Breuer, G.Ciangaru, J.D.Silk, G.S.Blanpied, B.M.Preedom, B.G.Ritchie, M.Blecher, K.Gotow, D.M.Lee, H.Ziock Reaction 58Ni(π+, pp) at Tπ+ = 160 MeV NUCLEAR REACTIONS 58Ni(π+, 2p), E=160 MeV; 58Ni(π-, 2p), E not given; measured σ(θ1, θ2); deduced pion absorption mechanism.
doi: 10.1103/PhysRevC.41.2215
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
1989HA10 Phys.Rev. C39, 1866 (1989) H.L.Hall, K.E.Gregorich, R.A.Henderson, D.M.Lee, D.C.Hoffman, M.E.Bunker, M.M.Fowler, P.Lysaight, J.W.Starner, J.B.Wilhelmy β-Delayed Fission from 256mEs and the Level Scheme of 256Fm RADIOACTIVITY 256mEs(β-) [from 254Es(t, p), E=16 MeV]; measured Eγ, Iγ, βγ-, γγ-coin, β(fragment)(θ) following β-delayed fission; deduced β-delayed fission evidence. 256Fm deduced isomer, T1/2, fission characteristics, other levels, J, π.
doi: 10.1103/PhysRevC.39.1866
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
1989KR17 Radiochim.Acta 48, 121 (1989) J.V.Kratz, H.P.Zimmermann, U.W.Scherer, M.Schadel, W.Bruchle, K.E.Gregorich, C.M.Gannett, H.L.Hall, R.A.Henderson, D.M.Lee, J.D.Leyba, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, U.Baltensperger, N.-Q.Ya, A.Turler, Ch.Lienert Chemical Properties of Element 105 in Aqueous Solution: Halide complex formation and anion exchange into triisoctyl amine NUCLEAR REACTIONS 249Bk(18O, 5n), E=114 MeV; measured Eα, Iα; deduced residual nucleus production.
1989SH26 Phys.Rev. C40, 2203 (1989) R.L.Shypit, D.V.Bugg, A.H.Sanjari, D.M.Lee, M.W.McNaughton, R.R.Silbar, C.L.Hollas, K.H.McNaughton, P.Riley, C.A.Davis Spin Dependence of pp → npπ+ from 492 to 796 MeV NUCLEAR REACTIONS 1H(polarized p, pπ+), E=492-796 MeV; measured spin correlation parameters; deduced no dibaryon evidence. Longitudinally polarized target.
doi: 10.1103/PhysRevC.40.2203
1988GR30 Radiochim.Acta 43, 223 (1988) K.E.Gregorich, R.A.Henderson, D.M.Lee, M.J.Nurmia, R.M.Chasteler, H.L.Hall, D.A.Bennett, C.M.Gannett, R.B.Chadwick, J.D.Leyba, D.C.Hoffman, G.Herrmann Aqueous Chemistry of Element 105 NUCLEAR REACTIONS 249Bk(18O, 5n), E=117 MeV; measured α-spectra following residual decay; deduced 262Db fission branch, fission, α-activity production σ. RADIOACTIVITY 262Db(α), (SF) [from 249Bk(18O, 5n), E=117 MeV]; 258Lr [from 262Db decay]; measured Eα, Iα, αα(t). 262Db deduced fission branch.
1988HO19 J.Radioanal.Nucl.Chem. 124, 135 (1988) D.C.Hoffman, R.A.Henderson, K.E.Gregorich, D.A.Bennett, R.M.Chasteler, C.M.Gannett, H.L.Hall, D.M.Lee, M.J.Nurmia, S.Cai, R.Agarwal, A.W.Charlop, Y.Y.Chu, G.T.Seaborg, R.J.Silva Atom-at-a-time radiochemical separations of the heaviest elements: Lawrencium chemistry NUCLEAR REACTIONS 249Bk(18O, 3nα), E=101 MeV; measured reaction products, Eα, Iα. 260Lr; deduced σ, T1/2.
doi: 10.1007/bf02035512
1988SH06 Phys.Rev.Lett. 60, 901 (1988) R.L.Shypit, D.V.Bugg, D.M.Lee, M.W.McNaughton, R.R.Silbar, N.M.Stewart, A.S.Clough, C.L.Hollas, K.H.McNaughton, P.Riley, C.A.Davis Evidence against Broad Dibaryons NUCLEAR REACTIONS 1H(polarized p, π+n), E=492-796 MeV; measured spin correlation parameters; deduced no broad dibaryons. Isobar analysis.
doi: 10.1103/PhysRevLett.60.901
1988SH09 Nucl.Phys. A477, 541 (1988) R.L.Shypit, D.V.Bugg, D.M.Lee, M.W.McNaughton, R.R.Silbar, N.M.Stewart, A.S.Clough, C.L.Hollas, K.H.McNaughton, P.Riley, C.A.Davis A(SL), A(LL) and A(N0) for NN → πD at 492, 729 and 796 MeV NUCLEAR REACTIONS 1H(polarized p, π+), E=492-796 MeV; measured spin correlation parameters A(LL), A(SL), A(N0). Longitudinally polarized propanediol target.
doi: 10.1016/0375-9474(88)90404-6
1986BU06 Phys.Rev.Lett. 57, 58 (1986) W.J.Burger, E.Beise, S.Gilad, R.P.Redwine, P.G.Roos, N.S.Chant, H.Breuer, G.Ciangaru, J.D.Silk, G.S.Blanpied, B.M.Preedom, B.G.Ritchie, M.Blecher, K.Gotow, D.M.Lee, H.Ziock Reaction 58Ni(π+, 2p) at 160 MeV NUCLEAR REACTIONS 58Ni(π+, 2p), E=160 MeV; measured σ(θ1, θ2) vs excitation; deduced pion absorption mechanism.
doi: 10.1103/PhysRevLett.57.58
1978BU09 Phys.Rev. C17, 1774 (1978) R.L.Burman, M.P.Baker, M.D.Cooper, R.H.Heffner, D.M.Lee, R.P.Redwine, J.E.Spencer, T.Marks, D.J.Malbrough, B.M.Preedom, R.J.Holt, B.Zeidman Pion Double-Charge Exchange on 16O and 18O NUCLEAR REACTIONS 18O(π+, π-), E=95-139 MeV; measured σ(E). 16O(π+, π-), E=145 MeV; measured σ. 16Ne deduced mass excess.
doi: 10.1103/PhysRevC.17.1774
1977HO13 Phys.Lett. 69B, 55 (1977) R.J.Holt, B.Zeidman, D.J.Malbrough, T.Marks, B.M.Preedom, M.P.Baker, R.L.Burman, M.D.Cooper, R.H.Heffner, D.M.Lee, R.P.Redwine, J.E.Spencer Pion Non-Analog Double Charge Exchange: 16O(π+, π-)16Ne NUCLEAR REACTIONS 16O(π+, π-), E=145 MeV; measured σ; deduced Q. 16Ne deduced mass excess.
doi: 10.1016/0370-2693(77)90131-9
1977MA02 Phys.Rev.Lett. 38, 149 (1977) T.Marks, M.P.Baker, R.L.Burman, M.D.Cooper, R.H.Heffner, R.J.Holt, D.M.Lee, D.J.Malbrough, B.M.Preedom, R.P.Redwine, J.E.Spencer, B.Zeidman Observation of the Pion Double-Charge-Exchange Reaction 18O(π+, π-)18Ne NUCLEAR REACTIONS 18O(π+, π-), E=139 MeV; measured σ.
doi: 10.1103/PhysRevLett.38.149
1973FL07 Nucl.Instrum.Methods 111, 67 (1973) E.R.Flynn, S.Orbesen, N.Stein, H.A.Thiessen, D.M.Lee, S.E.Sobottka Application of the Helical Cathode Proportional Chamber to Magnetic Spectrographs for Nuclear Reaction Studies NUCLEAR REACTIONS 27Al(d, p), E=12 MeV; 59Co, 60Ni(t, d), (t, t'), 197Au(t, t), E=15 MeV; measured σ(Ep, Ed, θ).
doi: 10.1016/0029-554X(73)90098-0
1972LE03 Nucl.Phys. A182, 20 (1972) D.M.Lee, R.C.Minehart, S.E.Sobottka, K.O.H.Ziock Negative Pion Capture on 12C with Emission of Neutron-Proton Pairs NUCLEAR REACTIONS 12C(π-, np), E=0 MeV; measured σ(En, Ep, θ(n), θ(p)). Natural target.
doi: 10.1016/0375-9474(72)90199-6
1972LE40 Nucl.Phys. A197, 106 (1972) D.M.Lee, R.C.Minehart, S.E.Sobottka, K.O.H.Ziock Correlated Neutron-Deuteron and Neutron-Triton Emission after Pion Capture on 12C NUCLEAR REACTIONS 12C(π-, nd), E=0 MeV; measured σ(En, Ed, θ(n), θ(d)). 12C(π-, nt), E=0 MeV; measured σ(En, Et, θ(n), θ(t)). Natural target.
doi: 10.1016/0375-9474(72)90749-X
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