EPJ Web Conf.
Volume 131, 2016Nobel Symposium NS 160 – Chemistry and Physics of Heavy and Superheavy Elements
|Number of page(s)||6|
|Published online||01 December 2016|
Superheavy element chemistry at GARIS
Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
a e-mail: firstname.lastname@example.org
Published online: 1 December 2016
A gas-jet transport system has been installed to the RIKEN GAs-filled Recoil Ion Separator, GARIS to start up SuperHeavy Element (SHE) chemistry. This system is a promising approach for exploring new frontiers in SHE chemistry: background radioactivities from unwanted by-products are suppressed, a high gas-jet transport yield is achieved, and new chemical reactions can be investigated. Useful radioisotopes of 261Rfa,b, 262Db, and 265Sga,b for chemical studies were produced in the reactions of 248Cm(18O,5n)261Rfa,b, 248Cm(19F,5n)262Db, and 248Cm(22Ne,5n)265Sga,b, respectively. They were successfully extracted to a chemistry laboratory by the gas-jet method. Production and decay properties of 261Rfa,b, 262Db, and 265Sga,b were investigated in detail with the rotating wheel apparatus for α- and spontaneous fission spectrometry. Present status and perspectives of the SHE chemistry at GARIS are also briefly presented.
© The Authors, published by EDP Sciences 2016
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