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NSR database version of April 11, 2024.

Search: Author = U.W.Kirbach

Found 11 matches.

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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
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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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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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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1698.

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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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
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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
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2000EI05      Nature(London) 407, 63 (2000)

R.Eichler, W.Bruchle, R.Dressler, Ch.E.Dullmann, B.Eichler, H.W.Gaggeler, K.E.Gregorich, D.C.Hoffman, S.Hubener, D.T.Jost, U.W.Kirbach, C.A.Laue, V.M.Lavanchy, H.Nitsche, J.B.Patin, D.Piguet, M.Schadel, D.A.Shaughnessy, D.A.Strellis, S.Taut, L.Tobler, Y.S.Tsyganov, A.Turler, A.Vahle, P.A.Wilk, A.B.Yakushev

Chemical characterization of bohrium (element 107)

NUCLEAR REACTIONS ²⁴⁹Bk(²²Ne, 4n), E=119 MeV; measured radiochemical yield; deduced chemical properties.

doi: 10.1038/35024044
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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, T_1/2.

doi: 10.1103/PhysRevLett.85.2697
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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, T_1/2.

doi: 10.1103/PhysRevLett.83.1104
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