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NSR database version of April 11, 2024.

Search: Author = E.Schimpf

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2014YA33      Inorg. Chem. 53, 1624 (2014)

A.Yakushev, J.M.Gates, A.Turler, M.Schadel, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, K.Eberhardt, H.G.Essel, J.Even, U.Forsberg, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, L.J.Niewisch, H.Nitsche, J.P.Omtvedt, E.Parr, Z.Qin, D.Rudolph, J.Runke, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl

Superheavy Element Flerovium (Element 114) Is a Volatile Metal

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, Xn)²⁸⁸Fl/²⁸⁹Fl, E=259.4 MeV; measured reaction products, Eα, Iα; deduced two atoms of flerovium, the observed adsorption behavior of Fl points to a higher inertness compared to its nearest homologue in the group, Pb. However, the measured lower limit for the adsorption enthalpy of Fl on a Au surface points to the formation of a metal-metal bond of Fl with Au. Fl is the least reactive element in the group, but still a metal.

doi: 10.1021/ic4026766
Citations: PlumX Metrics

2011GA19      Phys.Rev. C 83, 054618 (2011)

J.M.Gates, Ch.E.Dullmann, M.Schadel, A.Yakushev, A.Turler, K.Eberhardt, J.V.Kratz, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, H.G.Essel, P.A.Ellison, J.Even, U.Forsberg, J.Gellanki, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.Krier, N.Kurz, S.Lahiri, D.Liebe, B.Lommel, M.Maiti, H.Nitsche, J.P.Omtvedt, E.Parr, D.Rudolph, J.Runke, H.Schaffner, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl

First superheavy element experiments at the GSI recoil separator TASCA: The production and decay of element 114 in the ²⁴⁴Pu(⁴⁸Ca, 3-4n) reaction

NUCLEAR REACTIONS ²⁰⁶Pb(⁴⁸Ca, 2n)²⁵²No, E=231.2 MeV; ²⁰⁷Pb(⁴⁸Ca, 2n)²⁵³No, E=231.2 MeV; ²⁰⁸Pb(⁴⁸Ca, 2n)²⁵⁴No, E=231.2 MeV; ²⁴⁴Pu(⁴⁸Ca, 3n)²⁸⁹Fl, E=254.6, 259.4 MeV; ²⁴⁴Pu(⁴⁸Ca, 4n)²⁸⁸Fl, E=254.6, 259.4 MeV; measured evaporation residue spectra, Eα, Iα, fission fragment spectra, Eγ, αγ-, α(particle)-coin, production cross sections. TASCA recoil separator at GSI. Comparison with previous measurements. RADIOACTIVITY ^252,253,254No, ^288,289Fl(α), (SF); measured Eα, half-lives, branching ratios for α and SF decay modes, (evaporation residues)α- and (evaporation residues)(fission fragments)-correlations, αγ-, γ(SF events)-coin. ²⁴⁸Fm, ²⁸¹Ds, ^284,285Cn, (α); measured Eα, EVR-α-α correlations, Eγ, half-lives. ²⁷⁷Hs(SF); measured total kinetic energy (TKE), half-life.

doi: 10.1103/PhysRevC.83.054618
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0910. Data from this article have been entered in the XUNDL database. For more information, click here.

2010DU06      Phys.Rev.Lett. 104, 252701 (2010)

Ch.E.Dullmann, M.Schadel, A.Yakushev, A.Turler, K.Eberhardt, J.V.Kratz, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, H.G.Essel, P.A.Ellison, J.Even, J.M.Gates, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.Krier, N.Kurz, S.Lahiri, D.Liebe, B.Lommel, M.Maiti, H.Nitsche, J.P.Omtvedt, E.Parr, D.Rudolph, J.Runke, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl

Production and Decay of Element 114: High Cross Sections and the New Nucleus ²⁷⁷Hs

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, 3n)²⁸⁹Fl, ²⁴⁴Pu(⁴⁸Ca, 4n)²⁸⁸Fl, E=259.4, 254.6 MeV; measured reaction products, Eα, Iα; deduced σ, α-decay chains, T_1/2.

RADIOACTIVITY ^288,289Fl, ²⁸⁵Cn(α), ²⁸¹Ds(α), ²⁸⁴Cn, ²⁸¹Ds, ²⁷⁷Hs(SF); measured reaction products, Eα, Iα; deduced α-decay chains, T_1/2.

doi: 10.1103/PhysRevLett.104.252701
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2009DV01      Phys.Rev. C 79, 037602 (2009)

J.Dvorak, W.Bruchle, Ch.E.Dullmann, Z.Dvorakova, K.Eberhardt, R.Eichler, E.Jager, Y.Nagame, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, R.Schuber, A.Semchenkov, P.Thorle, A.Turler, M.Wegrzecki, A.Yakushev

Cross section limits for the ²⁴⁸Cm(²⁵Mg, 4n-5n)^{268, 269}Hs reactions

NUCLEAR REACTIONS ²⁴⁸Cm(²⁵Mg, 4n)²⁶⁹Hs, (²⁵Mg, 5n)²⁶⁸Hs, E(cm)=140 MeV; measured α, fission events, α-SF and α-α correlations, production cross section limits. No events were assigned to ²⁶⁸Hs and ²⁶⁹Hs.

RADIOACTIVITY ²⁶⁸Hs, ²⁶⁹Hs(α); measured Eα, half-lives.

doi: 10.1103/PhysRevC.79.037602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1682. Data from this article have been entered in the XUNDL database. For more information, click here.

2008DV02      Phys.Rev.Lett. 100, 132503 (2008)

J.Dvorak, W.Bruchle, M.Chelnokov, Ch.E.Dullmann, Z.Dvorakova, K.Eberhardt, E.Jager, R.Krucken, A.Kuznetsov, Y.Nagame, F.Nebel, K.Nishio, R.Perego, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, R.Schuber, A.Semchenkov, P.Thorle, A.Turler, M.Wegrzecki, B.Wierczinski, A.Yakushev, A.Yeremin

Observation of the 3n Evaporation Channel in the Complete Hot-Fusion Reaction ²⁶Mg+²⁴⁸Cm Leading to the New Superheavy Nuclide ²⁷¹Hs

NUCLEAR REACTIONS ²⁴⁸Cm(²⁶Mg, xn)²⁶⁹Hs/²⁷⁰Hs/²⁷¹Hs, E=13-15 MeV; measured production σ. ²⁷¹Hs; deduced T_1/2.

doi: 10.1103/PhysRevLett.100.132503
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1650. Data from this article have been entered in the XUNDL database. For more information, click here.

2008QI03      Radiochim.Acta 96, 455 (2008)

Z.Qin, W.Bruchle, D.Ackermann, K.Eberhardt, F.P.Hessberger, E.Jager, J.V.Kratz, P.Kuusiniemi, D.Liebe, G.Munzenberg, D.Nayak, Yu.N.Novikov, M.Schadel, B.Schausten, E.Schimpf, A.Semchenkov, B.Sulignano, P.Thorle, X.L.Wu

Search for the "missing" α-decay branch in ²³⁹Cm

RADIOACTIVITY ²³⁹Cm(α) [from ²³²Th(¹²C, 5n), E=70, 74 MeV]; measured measured Eγ, Iγ, Eα, Iα.

NUCLEAR REACTIONS ²³²Th(¹²C, 6n), (¹²C, 5n), (¹²C, 4n), E=70, 74 MeV; measured cross sections.

doi: 10.1524/ract.2008.1517
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1792.

2006DV01      Phys.Rev.Lett. 97, 242501 (2006)

J.Dvorak, W.Bruchle, M.Chelnokov, R.Dressler, Ch.E.Dullmann, K.Eberhardt, V.Gorshkov, E.Jager, R.Krucken, A.Kuznetsov, Y.Nagame, F.Nebel, Z.Novackova, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, A.Semchenkov, P.Thorle, A.Turler, M.Wegrzecki, B.Wierczinski, A.Yakushev, A.Yeremin

Doubly Magic Nucleus ²⁷⁰₁₀₈Hs₁₆₂

RADIOACTIVITY ^269,270Hs, ²⁶⁵Sg(α) [from ²⁴⁸Cm(²⁶Mg, xn) and subsequent decay]; measured Eα, T_1/2. ²⁶⁶Sg(SF) [from ²⁷⁰Hs decay]; measured T_1/2. Rapid chemical separation.

NUCLEAR REACTIONS ²⁴⁸Cm(²⁶Mg, 4n), (²⁶Mg, 5n), E=136, 145 MeV; measured delayed Eα, αα-coin; deduced production σ.

doi: 10.1103/PhysRevLett.97.242501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1650. Data from this article have been entered in the XUNDL database. For more information, click here.

2006EI01      Radiochim.Acta 94, 181 (2006)

R.Eichler, W.Bruchle, R.Buda, S.Burger, R.Dressler, Ch.E.Dullmann, J.Dvorak, K.Eberhardt, B.Eichler, C.M.Folden III, H.W.Gaggeler, K.E.Gregorich, F.Haenssler, D.C.Hoffman, H.Hummrich, E.Jager, J.V.Kratz, B.Kuczewski, D.Liebe, D.Nayak, H.Nitsche, D.Piguet, Z.Qin, U.Rieth, M.Schadel, B.Schausten, E.Schimpf, A.Semchenkov, S.Soverna, R.Sudowe, N.Trautmann, P.Thorle, A.Turler, B.Wierczinski, N.Wiehl, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf

Attempts to chemically investigate element 112

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X), E=231, 235 MeV; measured delayed fission, Eα, (fission)α-coin; deduced no evidence for ²⁸³Cn. Thermochromatography.

doi: 10.1524/ract.2006.94.4.181
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2004GA18      Nucl.Phys. A734, 208 (2004)

H.W.Gaggeler, W.Bruchle, Ch.E.Dullmann, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, C.M.Folden, T.N.Ginter, F.Glaus, K.E.Gregorich, F.Haenssler, D.C.Hoffman, E.Jager, D.T.Jost, U.W.Kirbach, J.V.Kratz, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, U.Rieth, M.Schadel, E.Schimpf, B.Schausten, S.Soverna, R.Sudowe, P.Thorle, N.Trautmann, A.Turler, A.Vahle, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf

Chemical and nuclear studies of hassium and element 112

NUCLEAR REACTIONS ²⁴⁸Cm(²⁶Mg, 4n), (²⁶Mg, 5n), E=145 MeV; ²³⁸U(⁴⁸Ca, 3n), E=239 MeV; measured yields. Chemical properties discussed.

doi: 10.1016/j.nuclphysa.2004.01.036
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2004VO24      Radiochim.Acta 92, 855 (2004)

A.von Zweidorf, R.Angert, W.Bruchle, S.Burger, K.Eberhardt, R.Eichler, H.Hummrich, E.Jager, H.-O.Kling, J.V.Kratz, B.Kuczewski, G.Langrock, M.Mendel, U.Rieth, M.Schadel, B.Schausten, E.Schimpf, P.Thorle, N.Trautmann, K.Tsukada, N.Wiehl, G.Wirth

Evidence for the formation of sodium hassate(VIII)

NUCLEAR REACTIONS ²⁴⁸Cm(²⁶Mg, xn), E=144-149 MeV; measured delayed αα-coin; deduced evidence for ^269,270Hs. Radiochemical analysis.

RADIOACTIVITY ^269,270Hs, ^265,266Sg, ²⁵⁷No(α); ^261,262Rf(SF) [from ²⁴⁸Cm(²⁶Mg, xn) and subsequent decay]; measured Eα, T_1/2.

doi: 10.1524/ract.92.12.855.55112
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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
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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, T_1/2. ^261,262Rf(SF); measured fission fragment energies.

doi: 10.1140/epja/i2002-10163-0
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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
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2001HU22      Radiochim.Acta 89, 737 (2001)

S.Hubener, S.Taut, A.Vahle, R.Dressler, B.Eichler, H.W.Gaggeler, D.T.Jost, D.Piguet, A.Turler, W.Bruchle, E.Jager, M.Schadel, E.Schimpf, U.Kirbach, N.Trautmann, A.B.Yakushev

Physico-chemical characterization of seaborgium as oxide hydroxide

NUCLEAR REACTIONS ²⁴⁸Cm(²²Ne, 4n), E=119 MeV; measured delayed Eα, (fission fragment)α-coin; deduced chemical properties. High-temperature on-line isothermal gas chromatography.

RADIOACTIVITY ²⁶⁶Sg(α) [from ²⁴⁸Cm(²²Ne, 4n)]; ²⁶²Rf(SF); measured Eα, (fission fragment)α-coin, T_1/2.

doi: 10.1524/ract.2001.89.11-12.737
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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 T_1/2. Chemical separation.

1995SC52      Radiochim.Acta 68, 1 (1995)

M.Schadel, E.Jager, E.Schimpf, W.Bruchle

Modeling a Nielsbohrium (Element 107) On-Line Gas Phase Separation Procedure with Rhenium

1994PO24      Z.Phys. A350, 221 (1994)

S.Polikanov, W.Bruchle, H.Folger, E.Jager, T.Krogulski, M.Schadel, E.Schimpf, G.Wirth, T.Aumann, J.V.Kratz, E.Stiel, N.Trautmann

Electromagnetic and Nuclear Fission of ²³⁸U in the Reaction of 100, 500, and 1000A.MeV ²⁰⁸Pb with ²³⁸U

NUCLEAR REACTIONS, ICPND ²³⁸U(²⁰⁸Pb, F), (²³⁸U, F), E=100-1000 MeV/nucleon; measured electromagnetic, nuclear fission fragment velocity distributions; deduced fission σ(E) for the two processes.

doi: 10.1007/BF01289586
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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.

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 T_1/2, 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.

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 T_1/2, 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
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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 T_1/2, σ.

1989SC42      Radiochim.Acta 48, 171 (1989)

M.Schadel, W.Bruchle, E.Jager, E.Schimpf, J.V.Kratz, U.W.Scherer, H.P.Zimmermann

ARCA II - A New Apparatus for Fast, Repetitive HPLC Separations