NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = H.Gaeggeler Found 76 matches. 2013KR14 Phys.Rev. C 88, 054615 (2013) J.V.Kratz, M.Schadel, H.W.Gaggeler Reexamining the heavy-ion reactions 238U+238U and 238U+248Cm and actinide production close to the barrier NUCLEAR REACTIONS 238U(238U, X), E=6.49, 6.84, 7.50, 8.30, 8.65, 9.00 MeV/nucleon; 238U(136Xe, X), E=7.50 MeV/nucleon; 248Cm(238U, X), E=10 MeV/nucleon; measured reaction products, Eα, Iα, Eγ, Iγ, SF events; deduced fission σ and TKEL for Z=79-91 fission products. 248,249,250,251,252,253,254Cf, 252,253,254m,254,255,256mEs, 252,253,254,255,256,257Fm; deduced average thick-target σ(E), significance of 3n- and/or 4n-evaporation channels for surviving heavy actinides.
doi: 10.1103/PhysRevC.88.054615
2011GA33 Radiochim.Acta 99, 503 (2011) Gas chemical properties of heaviest elements
doi: 10.1524/ract.2011.1857
2011GA49 J.Phys.:Conf.Ser. 312, 092007 (2011) Recent achievements in chemical studies of heaviest elements
doi: 10.1088/1742-6596/312/9/092007
2010EI01 Radiochim.Acta 98, 133 (2010) R.Eichler, N.V.Aksenov, Yu.V.Albin, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, S.N.Dmitriev, R.Dressler, H.W.Gaggeler, V.A.Gorshkov, R.A.Henderson, A.M.Johnsen, J.M.Kenneally, V.Ya.Lebedev, O.N.Malyshev, K.J.Moody, Yu.Ts.Oganessian, O.V.Petrushkin, D.Piguet, A.G.Popeko, P.Rasmussen, A.Serov, D.A.Shaughnessy, S.V.Shishkin, A.V.Shutov, M.A.Stoyer, N.J.Stoyer, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, P.A.Wilk, D.Wittwer, A.V.Yeremin Indication for a volatile element 114 RADIOACTIVITY 287,288Fl(α); measured atomic properties of element 114; deduced volatility. Comparison with Hg, At, and element 112 (Cn).
doi: 10.1524/ract.2010.1705
2010WI14 Nucl.Instrum.Methods Phys.Res. B268, 28 (2010) D.Wittwer, F.Sh.Abdullin, N.V.Aksenov, Yu.V.Albin, G.A.Bozhikov, S.N.Dmitriev, R.Dressler, R.Eichler, H.W.Gaggeler, R.A.Henderson, S.Hubener, J.M.Kenneally, V.Ya.Lebedev, Yu.V.Lobanov, K.J.Moody, Yu.Ts.Oganessian, O.V.Petrushkin, A.N.Polyakov, D.Piguet, P.Rasmussen, R.N.Sagaidak, A.Serov, I.V.Shirokovsky, D.A.Shaughnessy, S.V.Shishkin, A.M.Sukhov, M.A.Stoyer, N.J.Stoyer, E.E.Tereshatov, Yu.S.Tsyganov, V.K.Utyonkov, G.K.Vostokin, M.Wegrzecki, P.A.Wilk Gas phase chemical studies of superheavy elements using the Dubna gas-filled recoil separator - Stopping range determination RADIOACTIVITY 289Fl, 285Cn(α) [from 244Pu(48Ca, 3n)289Fl, E=265 MeV]; measured decay products, Eα, Iα; deduced α-decay chains.
doi: 10.1016/j.nimb.2009.09.062
2009BA62 Pure Appl.Chem. 81, 1331 (2009) R.C.Barber, H.W.Gaggeler, P.J.Karol, H.Nakahara, E.Vardaci, E.Vogt Discovery of the element with atomic number 112 (IUPAC Technical Report) COMPILATION 277Cn(α); compiled, experimental nuclear reaction and decay data.
doi: 10.1351/PAC-REP-08-03-05
2008EI03 Angew.Chem. 47, 3262 (2008) R.Eichler, N.V.Aksenov, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, S.N.Dmitriev, R.Dressler, H.W.Gaggeler, A.V.Gorshkov, M.G.Itkis, F.Haenssler, A.Laube, V.Y.Lebedev, O.N.Malyshev, Y.T.Oganessian, O.V.Petrushkin, D.Piguet, A.G.Popeko, P.Rasmussen, S.V.Shishkin, A.A.Serov, A.V.Shutov, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, A.V.Yeremin Thermochemical and Physical Properties of Element 112 RADIOACTIVITY 287Fl, 283Cn(α), 279Ds(SF) [from 242Pu(48Ca, 3n)297Fl, E=270 MeV]; 185Hg(α) [from 142Nd(48Ca, 5n)185Hg, E=270 MeV]; 219Rn(α) [from 242Pu(48Ca, X)219Rn, E=270 MeV]; measured decay products, Eα, Iα; deduced standard sublimation enthalpy, linear relationships for various compound classes on various chromatographic materials, volatility for element 112.
doi: 10.1002/anie.200705019
2007EI02 Nucl.Phys. A787, 373c (2007) R.Eichler, N.V.Aksenov, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, R.Dressler, S.N.Dmitriev, H.W.Gaggeler, V.A.Gorshkov, F.Haenssler, M.G.Itkis, V.Ya.Lebedev, A.Laube, O.N.Malyshev, Yu.Ts.Oganessian, O.V.Petruschkin, D.Piguet, P.Rasmussen, S.V.Shishkin, A.V.Shutov, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, A.V.Yeremin Confirmation of the Decay of 283112 and First Indication for Hg-like Behavior of Element 112 NUCLEAR REACTIONS 238U(48Ca, 3n), 242Pu(48Ca, 3n), E=237 MeV; measured super heavy element yield, Eα, Iα; analyzed production σ. NUCLEAR STRUCTURE 279Ds, 283Cn, 287Fl; analyzed superheavy element production and decay data. RADIOACTIVITY 283Cn(α); 287Fl(α), (SF); measured Eα, E(fragment), T1/2.
doi: 10.1016/j.nuclphysa.2006.12.058
2007EI03 Nature(London) 447, 72 (2007) R.Eichler, N.V.Aksenov, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, S.N.Dmitriev, R.Dressler, H.W.Gaggeler, V.A.Gorshkov, F.Haenssler, M.G.Itkis, A.Laube, V.Ya.Lebedev, O.N.Malyshev, Yu.Ts.Oganessian, O.V.Petrushkin, D.Piguet, P.Rasmussen, S.V.Shishkin, A.V.Shutov, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, A.V.Yeremin Chemical characterization of element 112 RADIOACTIVITY 287Fl, 283Cn(α), 279Ds(SF) [from 242Pu(48Ca, 3n)297Fl, E=270 MeV]; 185Hg(α) [from 142Nd(48Ca, 5n)185Hg, E=270 MeV]; 219Rn(α) [from 242Pu(48Ca, X)219Rn, E=270 MeV]; measured decay products, Eα, Iα; deduced Q-values, T1/2, element 112 chemical identification.
doi: 10.1038/nature05761
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
2005DM03 Mendeleev Commun. 15, 1 (2005) S.N.Dmitriev, Y.T.Oganessyan, V.K.Utyonkov, S.V.Shishkin, A.V.Yeremin, Y.V.Lobanov, Y.S.Tsyganov, V.I.Chepygin, E.A.Sokol, G.K.Vostokin, N.V.Aksenov, M.Hussonnois, M.G.Itkis, H.W.Gaggeler, D.Schumann, H.Bruchertseifer, R.Eichler, D.A.Shaughnessy, P.A.Wilk, J.M.Kenneally, M.A.Stoyer, J.F.Wild Chemical identification of dubnium as a decay product of element 115 produced in the reaction 48Ca + 243Am NUCLEAR REACTIONS 243Am(48Ca, 3n), E=247 MeV; measured super heavy element yield, Eα, Iα; analyzed production σ. Radiochemical experiment, identification of the long-lived decay product dubnium. NUCLEAR STRUCTURE 268Db, 272Bh, 276Mt, 280Rg, 284Nh, 288Mc; analyzed superheavy element production and decay data. RADIOACTIVITY 268Db(SF); 272Bh, 276Mt, 280Rg, 284Nh, 288Mc(α); measured Eα, E(fragment), T1/2.
doi: 10.1070/MC2005v015n01ABEH002077
2005GA57 Eur.Phys.J. A 25, Supplement 1, 583 (2005) Chemical properties of transactinides NUCLEAR REACTIONS 248Cm(26Mg, 5n), (26Mg, 4n), E=145 MeV; 238U(48Ca, 3n), E=231 MeV; 243Am(48Ca, 3n), E=247 MeV; analyzed residual nucleus decay chains; deduced chemical properties.
doi: 10.1140/epjad/i2005-06-202-2
2005OG02 Phys.Rev. C 72, 034611 (2005) Yu.Ts.Oganessian, V.K.Utyonkov, S.N.Dmitriev, Yu.V.Lobanov, M.G.Itkis, A.N.Polyakov, Yu.S.Tsyganov, A.N.Mezentsev, A.V.Yeremin, A.A.Voinov, E.A.Sokol, G.G.Gulbekian, S.L.Bogomolov, S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, S.V.Shishkin, V.I.Chepigin, G.K.Vostokin, N.V.Aksenov, M.Hussonnois, K.Subotic, V.I.Zagrebaev, K.J.Moody, J.B.Patin, J.F.Wild, M.A.Stoyer, N.J.Stoyer, D.A.Shaughnessy, J.M.Kenneally, P.A.Wilk, R.W.Lougheed, H.W.Gaggeler, D.Schumann, H.Bruchertseifer, R.Eichler Synthesis of elements 115 and 113 in the reaction 243Am + 48Ca NUCLEAR REACTIONS 243Am(48Ca, 3n), (48Ca, 4n), E=248, 253 MeV; measured delayed Eα, αα-coin; deduced σ. RADIOACTIVITY 287,288Mc, 283,284Nh, 279,280Rg, 275,276Mt, 272Bh(α) [from 243Am(48Ca, xn) and subsequent decay]; measured Eα, T1/2; deduced Qα. 267,268Db(SF); measured T1/2.
doi: 10.1103/PhysRevC.72.034611
2005SC32 Radiochim.Acta 93, 727 (2005) D.Schumann, H.Bruchertseifer, R.Eichler, B.Eichler, H.W.Gaggeler, S.N.Dmitriev, Yu.Ts.Oganessian, V.P.Utyonkov, S.V.Shishkin, A.V.Yeremin, Yu.V.Lobanov, Y.S.Tsyganov, V.I.Chepygin, E.A.Sokol, G.K.Vostokin, N.V.Aksenov, M.Hussonnois, M.G.Itkis Chemical procedure applied for the identification of Rf/Db produced in the 48Ca + 243Am reaction NUCLEAR REACTIONS 243Am(48Ca, xn), E=247 MeV; measured Eγ, fission fragment spectra following chemical separation; deduced Z=115 production.
doi: 10.1524/ract.2005.93.12.727
2005SO17 Radiochim.Acta 93, 1 (2005) S.Soverna, R.Dressler, Ch.E.Dullmann, B.Eichler, R.Eichler, H.W.Gaggeler, F.Haenssler Thermochromatographic studies of mercury and radon on transition metal surfaces
doi: 10.1524/ract.93.1.1.58298
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
2003BA04 Phys.Rev.Lett. 90, 022501 (2003); Erratum Phys.Rev.Lett. 92, 029901 (2004) L.T.Baby, C.Bordeanu, G.Goldring, M.Hass, L.Weissman, V.N.Fedoseyev, U.Koster, Y.Nir-El, G.Haquin, H.W.Gaggeler, R.Weinreich, and the ISOLDE Collaboration Precision Measurement of the 7Be(p, γ)8B Cross Section with an Implanted 7Be Target NUCLEAR REACTIONS 7Be(p, γ), E=504.9, 632.6, 773.7, 991.2 keV; measured σ, astrophysical S-factors, resonance features.
doi: 10.1103/PhysRevLett.90.022501
2003BA51 Phys.Rev. C 67, 065805 (2003); Erratum Phys.Rev. C 69, 019902 (2004) L.T.Baby, C.Bordeanu, G.Goldring, M.Hass, L.Weissman, V.N.Fedoseyev, U.Koster, Y.Nir-el, G.Haquin, H.W.Gaggeler, R.Weinreich, and the ISOLDE Collaboration New measurement of the proton capture rate on 7Be and the S17(0) factor NUCLEAR REACTIONS 7Be(p, γ), E(cm)=302-1078 keV; measured σ; deduced astrophysical S-factors.
doi: 10.1103/PhysRevC.67.065805
2003BA84 Nucl.Phys. A718, 487c (2003) L.T.Baby, C.Bordeanu, G.Goldring, M.Hass, L.Weissman, V.N.Fedoseyev, U.Koster, Y.Nir-El, G.Haquin, H.W.Gaggeler, R.Weinreich, and the ISOLDE Collaboration A New Measurement of the Proton Capture Rate on 7Be NUCLEAR REACTIONS 7Be(p, γ), E(cm)=302-1078 keV; measured S-factor.
doi: 10.1016/S0375-9474(03)00865-0
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
2003KR20 Radiochim.Acta 91, 59 (2003) J.V.Kratz, A.Nahler, U.Rieth, A.Kronenberg, B.Kuczewski, E.Strub, W.Bruchle, M.Schadel, B.Schausten, A.Turler, H.W.Gaggeler, D.T.Jost, K.E.Gregorich, H.Nitsche, C.Laue, R.Sudowe, P.A.Wilk An EC-branch in the decay of 27-s 263Db: Evidence for the isotope 263Rf RADIOACTIVITY 263Db(EC), (α), (SF) [from 249Bk(18O, 4n)]; measured Eα, fission fragment spectra; deduced EC-decay branching ratio, evidence for 263Rf. 263Rf(SF) [from 263Db decay]; measured T1/2. Radiochemical separation.
doi: 10.1524/ract.91.1.59.19010
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
2002DU22 Nucl.Instrum.Methods Phys.Res. A479, 631 (2002) Ch.E.Dullmann, B.Eichler, R.Eichler, H.W.Gaggeler, D.T.Jost, D.Piguet, A.Turler IVO, a device for In situ Volatilization and On-line detection of products from heavy ion reactions RADIOACTIVITY 197,197m,198,199m,200,201mPo(α); 172,173Os(α) [from 156Dy(22Ne, xn)]; 183,184,185Hg(α) [from 168Yb(22Ne, xn)]; measured Eα, T1/2. NUCLEAR REACTIONS 156Dy(22Ne, 5n), (22Ne, 6n), E=127 MeV; 162Er(18O, 6n), (18O, 7n), E=116 MeV; measured radiochemical yields.
doi: 10.1016/S0168-9002(01)00898-1
2002NA37 J.Nucl.Radiochem.Sci. 3, No 1, 85 (2002) Y.Nagame, M.Asai, H.Haba, S.Goto, K.Tsukada, I.Nishinaka, K.Nishio, S.Ichikawa, A.Toyoshima, K.Akiyama, H.Nakahara, M.Sakama, M.Schadel, J.V.Kratz, H.W.Gaggeler, A.Turler Production Cross Sections of 261Rf and 262Db in Bombardments of 248Cm with 18O and 19F Ions NUCLEAR REACTIONS 248Cm(18O, 5n), E=91, 94, 99 MeV; 248Cm(19F, 5n), E=106 MeV; measured delayed Eα, αα-coin; deduced production σ.
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, T1/2.
doi: 10.1524/ract.2001.89.11-12.737
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
1999DR09 Phys.Rev. C59, 3433 (1999) R.Dressler, B.Eichler, D.T.Jost, D.Piguet, A.Turler, Ch.Dullmann, R.Eichler, H.W.Gaggeler, M.Gartner, M.Schadel, S.Taut, A.B.Yakushev Production of 262Db (Z = 105) in the Reaction 248Cm(19F, 5n) NUCLEAR REACTIONS 248Cm(19F, 5n), E=106.5 MeV; measured production σ. Comparison with other reactions, model predictions.
doi: 10.1103/PhysRevC.59.3433
1999TU04 Angew.Chem., Int.Ed.Eng. 38, 2212 (1999) A.Turler, W.Bruchle, R.Dressler, B.Eichler, R.Eichler, H.W.Gaggeler, M.Gartner, J.-P.Glatz, K.E.Gregorich, S.Hubener, D.T.Jost, V.Ya.Lebedev, V.G.Pershina, M.Schadel, S.Taut, S.N.Timokhin, N.Trautmann, A.Vahle, A.B.Yakushev First Measurement of a Thermochemical Property of a Seaborgium Compound
1998TU01 Phys.Rev. C57, 1648 (1998) A.Turler, R.Dressler, B.Eichler, H.W.Gaggeler, D.T.Jost, M.Schadel, W.Bruchle, K.E.Gregorich, N.Trautmann, S.Taut Decay Properties of 265Sg(Z = 106) and 266Sg(Z = 106) NUCLEAR REACTIONS 248Cm(22Ne, 4n), (22Ne, 5n), E=121, 123 MeV; measured residual nuclei decay α-spectra, αα-coin; deduced evidence for 265,266Sg. On-line gas chemistry apparatus. RADIOACTIVITY 265,266Sg(α); measured Eα, T1/2.
doi: 10.1103/PhysRevC.57.1648
1997DR09 Radiochim.Acta 77, 241 (1997) R.Dressler, D.Schumann, St.Taut, S.Fischer, R.Binder, A.B.Yakushev, G.Buklanov, D.T.Lien, V.P.Domanov, Z.Szeglowski, B.Kubica, L.I.Guseva, G.S.Tikhomirova, H.W.Gaggeler, H.Bruchertseifer First Observation of γ-Ray Emission Assigned to the Decay of 164W NUCLEAR REACTIONS 144Sm(24Mg, 3n), (24Mg, 4n), E=109-141 MeV; measured Eγ, Iγ; deduced residuals production σ. RADIOACTIVITY 164W (β+), (EC); measured Eγ, Iγ(t); deduced T1/2. 164Hf deduced transitions.
1997SC49 Nature(London) 388, 55 (1997) M.Schadel, W.Bruchle, R.Dressler, B.Eichler, H.W.Gaggeler, R.Gunther, K.E.Gregorich, D.C.Hoffman, S.Hubener, D.T.Jost, J.V.Kratz, W.Paulus, D.Schumann, S.Timokhin, N.Trautmann, A.Turler, G.Wirth, A.Yakushev Chemical properties of element 106 (seaborgium) RADIOACTIVITY 265,266Sg(α) [from 248Cm(22Ne, X)265Sg/266Sg]; measured Eα, Iα, chemical properties.
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.
1996PA51 Nucl.Instrum.Methods Phys.Res. B 113, 470 (1996) Y.Parrat, W.Hajdas, U.Baltensperger, H.-A.Synal, P.W.Kubik, M.Suter, H.W.Gaggeler Cross section measurements of proton induced reactions using a gas target NUCLEAR REACTIONS N(p, x), 40Ar(p, x), E=40.4-59.6 MeV; measured products, 7Be, 10Be, 36Cl; deduced σ, σ(E). Data were imported from EXFOR entry O0871.
doi: 10.1016/0168-583X(95)01407-1
1995WI28 Radiochim.Acta 69, 77 (1995) B.Wierczinski, J.Alstad, K.Eberhardt, B.Eichler, H.Gaggeler, G.Herrmann, D.Jost, A.Nahler, M.Pense-Maskow, A.V.R.Reddy, G.Skarnemark, N.Trautmann, A.Turler Fast On-Line Solvent Extraction with the SISAK-3 Centrifuge System as a Test of Chemical Studies of the Elements 105 and 106
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 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.
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.
1991GA28 Nucl.Instrum.Methods Phys.Res. A309, 201 (1991) H.W.Gaggeler, D.T.Jost, U.Baltensperger, A.Weber, A.Kovacs, D.Vermeulen, A.Turler OLGA II, an on-line gas chemistry apparatus for application in heavy element research RADIOACTIVITY 214Po, 214,215At, 218Rn, 219Fr, 222Ra, 222,223Ac, 226Th, 226,227Pa(α) [from 232Th(p, X)]; measured Eα, αα-coin.
doi: 10.1016/0168-9002(91)90103-W
1990SC11 Z.Phys. A335, 421 (1990) U.W.Scherer, W.Bruchle, M.Brugger, C.Frink, H.Gaggeler, G.Herrmann, J.V.Kratz, K.J.Moody, M.Schadel, K.Summerer, N.Trautmann, G.Wirth Reactions of 40Ar with 233U, 235U, and 238U at the Barrier NUCLEAR REACTIONS, ICPND 233,235,238U(40Ar, X), E ≈ 5.3 MeV/nucleon; measured residual yields for Z=86-98. 235U(40Ar, X), E ≈ 5.3 MeV/nucleon; measured Eα, Iα; deduced tentative decay chains for 233,235,238U(40Ar, xn) residues. RADIOACTIVITY 270Ds, 269Ds, 272Ds, 271Ds, 275Ds, 274Ds; analyzed calculated Eα, α-decay T1/2; deduced tentative decay chains.
1989GA19 Nucl.Phys. A502, 561c (1989) H.W.Gaggeler, D.T.Jost, A.Turler, P.Armbruster, W.Bruchle, H.Folger, F.P.Hessberger, S.Hofmann, G.Munzenberg, V.Ninov, W.Reisdorf, M.Schadel, K.Summerer, J.V.Kratz, U.Scherer, M.E.Leino Cold Fusion Reactions with 48Ca NUCLEAR REACTIONS 209Bi, 197Au, 184W, 180Hf, 208Pb(48Ca, n), (48Ca, 2n), E=4.3-4.8 MeV/nucleon; measured reaction σ. Extra-push model analysis.
doi: 10.1016/0375-9474(89)90689-1
1989HE13 Z.Phys. A333, 111 (1989) F.P.Hessberger, H.Gaggeler, P.Armbruster, W.Bruchle, H.Folger, S.Hofmann, D.Jost, J.V.Kratz, M.E.Leino, G.Munzenberg, V.Ninov, M.Schadel, U.Scherer, K.Summerer, A.Turler, D.Ackermann The New Nuclide 225U NUCLEAR REACTIONS 180Hf(48Ca, X), E=4.24 MeV/nucleon; measured Eα, Iα; deduced evidence for 225U. Correlation techniques. RADIOACTIVITY 225U(α) [from 180Hf(48Ca, X), E=4.24 MeV/nucleon]; measured Eα, Iα, T1/2. Correlation techniques.
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.
1989YA08 Radiochim.Acta 47, 1 (1989) N.-Q.Ya, D.T.Jost, U.Baltensperger, H.W.Gaggeler The SAPHIR Gas-Jet and a First Application to an On-Line Separation of Niobium NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission product Eγ, Iγ; deduced fission product transportation yields.
1988EI01 Inorganica chimica acta 146, 261 (1988) B.Eichler, S.Hubener, H.W.Gaggeler, D.T.Jost Adsorption of lawrencium on metal surfaces. An approach to the determination of the influence of relativistic effects on the electronic ground state configuration
doi: 10.1016/S0020-1693(00)80618-0
1988JO08 Inorganica chimica acta 146, 255 (1988) D.T.Jost, H.W.Gaggeler, C.H.Vogel, M.Schadel, E.Jager, B.Eichler, K.E.Gregorich, D.C.Hoffman Search for lawrencium as a p-element using gas chromatography techniques NUCLEAR REACTIONS 249Bk(18O, X)252Fm/254Fm/250Fm/260Lr/211Bi/249Cf/210FR/211Fr, E=101 MeV; measured reaction products using gaschromatography, Eα, Iα. 260Lr; deduced σ, T1/2.
doi: 10.1016/S0020-1693(00)80617-9
1988TU07 Z.Phys. A331, 363 (1988) A.Turler, H.W.Gaeggeler, D.T.Jost, P.Armbruster, W.Bruchle, H.Folger, F.P.Hessberger, S.Hofmann, G.Munzenberg, V.Ninov, M.Schadel, K.Summerer, J.V.Kratz, U.Scherer Determination of the Partial Electron Capture- and Spontaneous-Fission Half-Lives of 254No NUCLEAR REACTIONS 208Pb(48Ca, 2n), E not given; measured Eα, Iα; deduced evidence for 254No. RADIOACTIVITY 254No(α), (EC), (SF) [from 208Pb(48Ca, 2n)]; measured α-, SF-activities; deduced partial T1/2. Radiochemical techniques.
1987HI12 Nucl.Instrum.Methods Phys.Res. A260, 407 (1987) N.Hildebrand, C.Frink, N.Greulich, U.Hickmann, J.V.Kratz, N.Trautmann, G.Herrmann, M.Brugger, H.Gaggeler, K.Summerer, G.Wirth A Cryosystem for the Detection of Alpha and Spontaneous-Fission Activities in Volatile Species NUCLEAR REACTIONS 248Cm(48Ca, X)210Rn/211Rn/212Rn/219Rn/220Rn/221Rn/222Rn, E not given; 238U(238U, X)210Rn/211Rn/212Rn/219Rn/220Rn/221Rn/222Rn, E=6.5, 7.45 MeV/nucleon; measured residual production σ vs mass.
doi: 10.1016/0168-9002(87)90108-2
1987KE06 Z.Phys. A328, 255 (1987) H.Keller, R.Bellwied, K.Lutzenkirchen, J.V.Kratz, W.Bruchle, H.Gaeggeler, K.J.Moody, M.Schadel, G.Wirth Unusual Excitation-Energy Division in Quasi-Fission Reactions between 50Ti, 54Cr and 58Fe with 207,208Pb at the Barrier NUCLEAR REACTIONS 207Pb(50Ti, X), (50Ti, F), E=4.85 MeV/nucleon; 208Pb(54Cr, X), (54Cr, F), E=4.9 MeV/nucleon; 208Pb(58Fe, X), (58Fe, F), E=5.02 MeV/nucleon; 209Bi(58Fe, X), (58Fe, F), E=5.15 MeV/nucleon; measured fragment mass, charge distributions, σ(Z, A), fission product γ-decay; deduced fission σ vs fragment Z.
1987MO29 Z.Phys. A328, 417 (1987) K.J.Moody, W.Bruchle, M.Brugger, H.Gaggeler, B.Haefner, M.Schadel, K.Summerer, H.Tetzlaff, G.Herrmann, N.Kaffrell, J.V.Kratz, J.Rogowski, N.Trautmann, M.Skalberg, G.Skarnemark, J.Alstad, M.M.Fowler New Nuclides: Neptunium-243 and Neptunium-244 RADIOACTIVITY 243,244Np(β-) [from 244Pu(136Xe, X), E=835 MeV]; measured Eγ, Iγ. 243Np level deduced J, T1/2, Iγ per decay. 244Np level deduced T1/2, possible, J, π, Iγ per decay. 244Pu deduced possible level. NUCLEAR REACTIONS 244Pu(136Xe, X)238Np/239Np/240Np/240mNp/241Np, E=835 MeV; measured residual production σ.
1986GA06 Phys.Rev. C33, 1983 (1986) H.Gaggeler, W.Bruchle, M.Brugger, M.Schadel, K.Summerer, G.Wirth, J.V.Kratz, M.Lerch, Th.Blaich, G.Herrmann, N.Hildebrand, N.Trautmann, D.Lee, K.J.Moody, K.E.Gregorich, R.B.Welch, G.T.Seaborg, D.C.Hoffman, W.R.Daniels, M.M.Fowler, H.R.von Gunten Production of Cold Target-Like Fragments in the Reaction of 48Ca + 248Cm NUCLEAR REACTIONS 248Cm(Ca, X)210Rn/211Rn/212Rn/219Rn/220Rn/221Rn/222Rn/221Ra/222Ra/223Ra/223Ac/224Ac/225Ac/226Ac/225Th/226Th/227Th/228Th/230U/237U/236Pu/238Pu/243Pu/245Pu/246Pu, E=248-263 MeV; measured residuals yields, σ vs mass; deduced production mechanism.
doi: 10.1103/PhysRevC.33.1983
1986KR02 Phys.Rev. C33, 504 (1986) J.V.Kratz, W.Bruchle, H.Folger, H.Gaggeler, M.Schadel, K.Summerer, G.Wirth, N.Greulich, G.Herrmann, U.Hickmann, P.Peuser, N.Trautmann, E.K.Hulet, R.W.Lougheed, J.M.Nitschke, R.L.Ferguson, R.L.Hahn Search for Superheavy Elements in Damped Collisions between 238U and 248Cm NUCLEAR REACTIONS 248Cm(238U, X), E=6.2-7.3 MeV/nucleon; measured SF-fission fragment kinetic energies, neutron multiplicities; deduced superheavy nuclei production σ upper limit. Chemical separation, spontaneous fission counting.
doi: 10.1103/PhysRevC.33.504
1986SC10 Phys.Rev. C33, 1547 (1986) M.Schadel, W.Bruchle, M.Brugger, H.Gaggeler, K.J.Moody, D.Schardt, K.Summerer, E.K.Hulet, A.D.Dougan, R.J.Dougan, J.H.Landrum, R.W.Lougheed, J.F.Wild, G.D.O'Kelley Transfer Cross Sections from Reactions with 254Es as a Target NUCLEAR REACTIONS, ICPND 254Es(16O, X), E=98 MeV; measured production σ for No, Lr isotopes. 254Es(18O, X)260Md/261Md/260No/261No/262No/261Lr/262Lr/263Lr, E=98 MeV; 254Es(22Ne, X)260Md/261Md/260No/261No/262No/261Lr/262Lr/263Lr, E=127 MeV; measured residual production σ. Activation technique.
doi: 10.1103/PhysRevC.33.1547
1985AR02 Phys.Rev.Lett. 54, 406 (1985) P.Armbruster, Y.K.Agarwal, W.Bruchle, M.Brugger, J.P.Dufour, H.Gaggeler, F.P.Hessberger, S.Hofmann, P.Lemmertz, G.Munzenberg, K.Poppensieker, W.Reisdorf, M.Schadel, K.-H.Schmidt, J.H.R.Schneider, W.F.W.Schneider, K.Summerer, D.Vermeulen, G.Wirth, A.Ghiorso, K.E.Gregorich, D.Lee, M.Leino, K.J.Moody, G.T.Seaborg, R.B.Welch, P.Wilmarth, S.Yashita, C.Frink, N.Greulich, G.Herrmann, U.Hickmann, N.Hildebrand, J.V.Kratz, N.Trautmann, M.M.Fowler, D.C.Hoffman, W.R.Daniels, H.R.von Gunten, H.Dornhofer Attempts to Produce Superheavy Elements by Fusion of 48Ca with 248Cm in the Bombarding Energy Range of 4.5-5.2 MeV/u NUCLEAR REACTIONS 248Cm(48Ca, X), E=4.5-5.2 MeV/nucleon; measured superheavy production σ upper limits vs T1/2. Different separation techniques.
doi: 10.1103/PhysRevLett.54.406
1985HO13 Phys.Rev. C31, 1763 (1985) D.C.Hoffman, M.M.Fowler, W.R.Daniels, H.R.von Gunten, D.Lee, K.J.Moody, K.Gregorich, R.Welch, G.T.Seaborg, W.Bruchle, M.Brugger, H.Gaggeler, M.Schadel, K.Summerer, G.Wirth, Th.Blaich, G.Herrmann, N.Hildebrand, J.V.Kratz, M.Lerch, N.Trautmann Excitation Functions for Production of Heavy Actinides from Interactions of 40Ca and 48Ca Ions with 248Cm NUCLEAR REACTIONS 248Cm(40Ca, X)244Bk/245Bk/246Bk/248Bk/248mBk/250Bk/245Cf/246Cf/248Cf/250Cf/252Cf/249Es/250Es/252Es/253Es/254Es/254mEs/250Fm/251Fm/252Fm/254Fm/256Fm, E=221-294 MeV; 248Cm(48Ca, X)245Bk/246Bk/248Bk/248mBk/250Bk/246Cf/248Cf/250Cf/252Cf/253Cf/254Cf/250Es/252Es/253Es/254Es/254mEs/252Fm/254Fm/255Fm/256Fm, E=223-318 MeV; measured residuals production σ(E).
doi: 10.1103/PhysRevC.31.1763
1985LO13 Phys.Rev. C32, 1760 (1985) R.W.Lougheed, J.H.Landrum, E.K.Hulet, J.F.Wild, R.J.Dougan, A.D.Dougan, H.Gaggeler, M.Schadel, K.J.Moody, K.E.Gregorich, G.T.Seaborg Search for Superheavy Elements using the 48Ca + 254gEs Reaction NUCLEAR REACTIONS 254Es(48Ca, X)211At/209At/212Pb, E=240, 249 MeV; measured residuals, superheavy production σ. Aqueous, gas phase separation technique.
doi: 10.1103/PhysRevC.32.1760
1984GA06 Z.Phys. A316, 291 (1984) H.Gaggeler, T.Sikkeland, G.Wirth, W.Bruchle, W.Bogl, G.Franz, G.Herrmann, J.V.Kratz, M.Schadel, K.Summerer, W.Weber Probing Sub-Barrier Fusion and Extra-Push by Measuring Fermium Evaporation Residues in Different Heavy Ion Reactions NUCLEAR REACTIONS 206,207Pb(40Ar, F), E ≤ 236 MeV; measured fission activity decay curve. 204,206,207,208Pb(40Ar, xn)242Fm/243Fm/244Fm/246Fm, E ≤ 236 MeV; 208Pb(40Ar, 4n), (40Ar, 2n)244Fm/246Fm, E ≤ 236 MeV; 206Pb(40Ar, 2n), 207Pb(40Ar, 3n)244Fm, E ≤ 236 MeV; 170Er(76Ge, 2n)244Fm, E=321-394 MeV; 160Gd(86Kr, 2n)244Fm, E=352-409 MeV; 110Pd(136Xe, 2n)244Fm, E=587-680 MeV; measured residuals production σ; deduced fusion barriers. Extra push, surface friction models.
1984LU05 Z.Phys. A317, 55 (1984) K.Lutzenkirchen, J.V.Kratz, W.Bruchle, H.Gaggeler, K.Summerer, G.Wirth Fusion-Fission in the Reaction 76Ge + 170Er NUCLEAR REACTIONS 170Er(76Ge, X), E(cm)=222-272 MeV; measured σ(fragment θ, Z) vs fragment mass, relative yield vs normalized mass number; deduced fission-fusion σ. Extra push model.
1982SC05 Phys.Rev.Lett. 48, 852 (1982) M.Schadel, W.Bruchle, H.Gaggeler, J.V.Kratz, K.Summerer, G.Wirth, G.Herrmann, R.Stakemann, G.Tittel, N.Trautmann, J.M.Nitschke, E.K.Hulet, R.W.Lougheed, R.L.Hahn, R.L.Ferguson Actinide Production in Collisions of 238U with 248Cm NUCLEAR REACTIONS 248Cm(238U, X), E=7.4 MeV/nucleon; measured production σ for 244,246,248,250,251Bk, 246,248,250,251,252,253,254Cf, 252,253,254,255,256Es, 252,253,254,255,256Fm, 255,256,257,258Md; deduced dominant transfer reaction deexcitation channel.
doi: 10.1103/PhysRevLett.48.852
1981GA25 Nucl.Instrum.Methods 188, 367 (1981) H.Gaggeler, W.Bruchle, J.V.Kratz, M.Schadel, K.Summerer, W.Weber, G.Wirth, G.Herrmann A Rotating Wheel System for the Detection of Spontaneously Fissioning Nuclides from Heavy Ion Reactions RADIOACTIVITY, Fission 252Cf(SF), 244Fm(SF) [from 207Pb(40Ar, 3n), E=199 MeV]; 242mAm(SF) [from 238U(238U, X), E=7.6 MeV/nucleon]; measured T1/2. Rotating wheel technique, catcher foil, fission tract detectors. NUCLEAR REACTIONS 238U(238U, X), E=7.6 MeV/nucleon; 207Pb(40Ar, 3n), E=199 MeV; measured production σ(E) for 244Fm, 242Am. Rotating wheel technique, catcher foil, fission track detectors.
1981KR05 Nucl.Phys. A357, 437 (1981) J.V.Kratz, J.Poitou, W.Bruchle, H.Gaggeler, M.Schadel, G.Wirth, R.Lucas Primary Mass and Charge Distributions in the Reaction of 900 MeV 132Xe Ions with 197Au NUCLEAR REACTIONS 197Au(132Xe, X), E=900 MeV; measured σ(fragment Z, mass) for 51 ≤ Z ≤ 87, missing mass, fragment velocities; deduced integral charge, mass distributions, preneutron emission σ(fragment Z, E, mass). Neutron, proton exchange correlations.
doi: 10.1016/0375-9474(81)90231-1
1981LU06 Z.Phys. A303, 115 (1981) T.Lund, D.Hirdes, H.Jungclas, D.Molzahn, P.Vater, R.Brandt, P.Lemmertz, R.Fass, H.Wollnik, H.Gaggeler Search for Production of Superheavy Elements via ' Fusion after Instantaneous Fission ' in the Reaction 238U + 208Pb RADIOACTIVITY, Fission 254Cf(SF), 240,242m,244mAm(SF) [from 238U(208Pb, X), E=8 MeV/nucleon]; measured fragment distribution. Gas jet, fission track counting techniques. NUCLEAR REACTIONS, Fission 238U(208Pb, X), E=8 MeV/nucleon; measured Eα, Iα, SF fragment distribution, α(fragment)-coin; deduced production yields for 240,242,244Cm, 254Cf, superheavy production σ. Radiochemical, gas jet, rotating wheel techniques, natural target.
doi: 10.1007/BF01420268
1980GA24 Phys.Rev.Lett. 45, 1824 (1980) H.Gaggeler, N.Trautmann, W.Bruchle, G.Herrmann, J.V.Kratz, P.Peuser, M.Schadel, G.Tittel, G.Wirth, H.Ahrens, H.Folger, G.Franz, K.Summerer, M.Zendel Search for Superheavy Elements in the 238U +238U Reaction NUCLEAR REACTIONS, Fission 238U(238U, X), (238U, F), E=8.6 MeV/nucleon; measured fragment E, spontaneous fission(fragment)(fragment)-coin; deduced superheavy production σ upper limit. Thick target.
doi: 10.1103/PhysRevLett.45.1824
1980KR14 Z.Phys. A296, 141 (1980) J.V.Kratz, W.Bruchle, H.Gaeggeler, M.Schadel, K.Summerer, G.Wirth Fast A/Z Equilibration and Correlated Nucleon Exchange in Damped Collisions of 56Fe Ions with 209Bi NUCLEAR REACTIONS 209Bi(56Fe, X), E=8.3 MeV/nucleon; analyzed average fragment mass to charge ratio, mass, charge variances ratio data; deduced fast charge equilibration, fully correlated nucleon exchange.
doi: 10.1007/BF01412655
1979GA06 Z.Phys. A289, 415 (1979) H.Gaeggeler, A.S.Iljinov, G.S.Popeko, W.Seidel, G.M.Ter-Akopian, S.P.Tretyakova A Study of Fusion Reactions between 206,207Pb Nuclei and 40Ar Ions Near the Coulomb Barrier RADIOACTIVITY, Fission 244Fm (SF); measured time distribution of fragments. NUCLEAR REACTIONS 206Pb(40Ar, 2n), E=180-208 MeV; 207Pb(40Ar, 3n), E=192-222 MeV; measured σ(E), σ(fusion, E); deduced optical-model parameters. 244Fm deduced fissility parameter. Statistical model.
doi: 10.1007/BF01409394
1979PO22 Phys.Lett. 88B, 69 (1979) J.Poitou, R.Lucas, J.V.Kratz, W.Bruchle, H.Gaggeler, M.Schadel, G.Wirth Second Moments of N/Z-Distributions in Damped Collisions of 132Xe with 197Au NUCLEAR REACTIONS 197Au(132Xe, X), E=890 MeV; measured I(X-ray), E(X-ray), Eγ, Iγ, γX-ray-coin; deduced charge variances at fixed mass asymmetry. Classical statistical fluctuation model.
doi: 10.1016/0370-2693(79)90116-3
1978GA01 Phys.Rev. C17, 172 (1978) Charge Distribution in the Thermal-Neutron-Induced Fission of 249Cf: Independent and Fractional Cumulative Yields of Isotopes of Nb, I, and Cs NUCLEAR REACTIONS 249Cf(n, F), E=th; measured charge distribution, yields of 96,98Nb, 130,135I, 136Cs. Ge(Li) detector, radiochemical separation.
doi: 10.1103/PhysRevC.17.172
1978GA12 Z.Phys. A286, 419 (1978) H.Gaggeler, W.Bruchle, H.Ahrens, H.Folger, G.Franz, J.V.Kratz, M.Schadel, I.Warnecke, G.Wirth, N.Trautmann, G.Herrmann, N.Kaffrell, P.Peuser, G.Tittel Search for Long-Lived Superheavy Elements in the Reaction of 136Xe with 238U NUCLEAR REACTIONS 238U(136Xe, X), E=6.6 MeV/nucleon; measured formation σ for superheavy elements with 1-200 day T1/2.
1978GA22 J.Inorg.Nucl.Chem. 40, 1859 (1978) Charge Distribution in the Photofission of 238U with Bremsstrahlung of E (max) 20-50 MeV NUCLEAR REACTIONS 238U(γ, F), E(max)=31 MeV; measured fractional independent yields of 136Cs, 150Pm.
doi: 10.1016/0022-1902(78)80243-7
1978KR17 S.Afr.J.Phys. 1, 154 (1978) J.V.Kratz, H.Ahrens, W.Bruchle, H.Gaggeler, M.Schadel, I.Warnecke, G.Wirth, G.Herrmann, N.Trautmann, M.Weis Correlations between Proton and Neutron Exchanges in Damped Collisions of 129,132,136Xe + Au and 238U + 238U NUCLEAR REACTIONS 197Au(129Xe, X), (132Xe, X), (136Xe, X), 238U(238U, X), E=5.9 MeV/nucleon; analyzed isotope distribution vs Z; deduced different p, n strength correlations for Au+Xe, U+U systems.
1978OG02 Nucl.Phys. A294, 213 (1978) Y.T.Oganessian, H.Bruchertseifer, G.V.Buklanov, V.I.Chepigin, Choi Val Sek, B.Eichler, K.A.Gavrilov, H.Gaeggeler, Y.S.Korotkin, O.A.Orlova, T.Reetz, W.Seidel, G.M.Ter-Akopian, S.P.Tretyakova, I.Zvara Experiments to Produce Isotopes of Superheavy Elements with Atomic Numbers 114-116 in 48Ca Ion Reactions RADIOACTIVITY Z=114-116; measured Eα, SF T1/2 limits. Enriched targets.
doi: 10.1016/0375-9474(78)90405-0
1978SC22 Phys.Rev.Lett. 41, 469 (1978) M.Schadel, J.V.Kratz, H.Ahrens, W.Bruchle, G.Franz, H.Gaggeler, I.Warnecke, G.Wirth, G.Herrmann, N.Trautmann, M.Weis Isotope Distributions in the Reaction of 238U with 238U NUCLEAR REACTIONS 238U(238U, X), E=1785 MeV; measured σ(A, Z). Radiochemically determined σ.
doi: 10.1103/PhysRevLett.41.469
1977GA10 J.Inorg.Nucl.Chem. 39, 1105 (1977) Cumulative Yields of Rare Earth Elements in the Thermal Neutron-Induced Fission of 249Cf NUCLEAR REACTIONS 249Cf(n, F), E=th; measured cumulative yields.
doi: 10.1016/0022-1902(77)80284-4
1976GA38 J.Inorg.Nucl.Chem. 38, 205 (1976) H.Gaggeler, H.R.von Gunten, H.S.Pruys Independent yields of 150Pm in the Thermal Neutron-Induced Fission of 233U, 235U, 239Pu and 249Cf and Cross-Section for the 149Pm(n, γ)150Pm Reaction NUCLEAR REACTIONS 233,235U, 239Pu, 249Cf(n, F)146Pm/148Pm/150Pm/160Tb, 149Pm(n, γ), E thermal; measured fission products, Eγ, Iγ; deduced independent fission yields.
doi: 10.1016/0022-1902(76)80394-6
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