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RadChem 2014

11–16 May 2014
Casino Conference Centre
Europe/Prague timezone

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Session

Chemistry of Actinide and Trans-actinide Elements 1

TAN-1
12 May 2014, 13:30
Casino Conference Centre

Casino Conference Centre

Reitenbergerova 4/95, Mari&#225;nsk&#233; L&#225;zn&#283;, Czech Republic <font color=white>

Conveners

Chemistry of Actinide and Trans-actinide Elements 1

  • Andreas Türler (Paul Scherrer Institute and Bern University)
  • Ladislav Havela (Charles University)

Presentation materials

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  1. 92. Gas Phase Chemistry of Superheavy Elements
    Dr Alexander Yakushev (GSI Helmholtzzentrum für Schwerionenforschung GmbH)
    12/05/2014, 13:30
    Chemistry of Actinide and Trans-actinide Elements
    Invited
    Gas Phase Chemistry of Superheavy Elements A. Yakushev1 1GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstr. 1, 64291 Darmstadt, Germany a.yakushev@gsi.de Long-lived isotopes of superheavy elements (SHE) beyond Rf, i.e., with atomic number Z ≥ 104 can be produced via fusion reactions between heavy actinide targets and neutron-rich projectiles at a rate of only single...
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  2. 167. Decomposition studies of W and Mo carbonyl complexes and their implications for future experiments with Sg(CO)6
    Ilya Usoltsev (Paul Scherrer Institut)
    12/05/2014, 14:00
    Chemistry of Actinide and Trans-actinide Elements
    Verbal
    Recent experiments at RIKEN (Japan) showed that Sg carbonyl (Sg(CO)6) can be produced with yields high enough for experimental investigation of its chemical properties [1]. According to theoretical calculations [2], which include so-called relativistic effects, Sg(CO)6 is expected to be slightly more stable than W(CO)6. In this work we aimed at designing an experimental setup for testing this...
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  3. 93. Towards selenides of the superheavy elements copernicium and flerovium
    Mrs Nadine Mariel Chiera (Paul Scherrer Institute, University of Bern)
    12/05/2014, 14:15
    Chemistry of Actinide and Trans-actinide Elements
    Verbal
    Transactinide’s chemical behavior is similar to their lighter homologues in the corresponding group of the periodic table. However, with increasing nuclear charges, superheavy elements (SHE) show deviations from the periodicity of chemical properties [1]. An experimentally exceptionally favourable case for comparative studies is the possibility of a simultaneous production of Cn (Z=112) and Fl...
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  4. 220. Production of 261Rf, 262Db, and 265Sg for chemical studies using GARIS at RIKEN
    Dr Hiromitsu Haba (RIKEN)
    12/05/2014, 14:30
    Chemistry of Actinide and Trans-actinide Elements
    Verbal
    Recently, chemical characterization of superheavy elements (SHEs) with atomic numbers Z ≥ 104 is an extremely interesting and challenging research subject in modern nuclear and radiochemistry [1,2]. At RIKEN, we have been developing a gas-jet transport system coupled to the RIKEN gas-filled recoil ion separator GARIS as a novel technique for SHE chemistry [3–5]. This system is a promising...
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  5. 267. Excitation functions for production of rutherfordium isotopes in the 248Cm + 18O reaction
    Mr Masashi Murakami (Nishina Center, RIKEN)
    12/05/2014, 14:45
    Chemistry of Actinide and Trans-actinide Elements
    Verbal
    Rutherfordium-261 (261aRf; T1/2 = 68s) has been used in chemical studies of element 104, Rf [1]. In recent years, it was reported that there exists a spontaneously-fissioning (SF) isomer (261bRf; T1/2 = 2.6 s) in 261Rf [2-6]. On the other hand, a SF isomer with the similar half-life of 2.1 s also had been reported as 262Rf (T1/2 = 47 ms) [7,8]. It is possible that these two SF isomers are the...
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