| Issue |
EPJ Web of Conferences
Volume 66, 2014
INPC 2013 – International Nuclear Physics Conference
|
|
|---|---|---|
| Article Number | 11017 | |
| Number of page(s) | 4 | |
| Section | New Facilities and Instrumentation | |
| DOI | https://doi.org/10.1051/epjconf/20146611017 | |
| Published online | 20 March 2014 | |
https://doi.org/10.1051/epjconf/20146611017
Present Status of KEK Isotope Separation System
1 Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
2 Seoul National University, Seoul, 151-742, Korea
3 Tsukuba University, Tsukuba, Ibaraki 305-0006, Japan
4 Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
5 Instituut voor Kern-en Stralingsfysica, K.U. Leuven, B-3001 Leuven, Belgium
a e-mail: yoshikazu.hirayama@kek.jp
Published online: 20 March 2014
KISS (KEK Isotope Separation System) has been constructed at Nishina Re-search Center (NRC) of RIKEN to study the decay properties of heavy neutron-rich iso-topes with mass number around A∼200 along the neutron magic number of N = 126 for the astrophysical interest. The isotopes of interest will be produced by multi-nucleon transfer reactions in neutron-rich heavy ion collisions (e.g. 136Xe projectile on 198Pt target). KISS consists of a gas-cell system for thermalizing (stopping and neutralizing) and fast-transporting reaction products to the gas cell exit hole, a laser system for the res-onant ionization, and a mass-separator system followed by a detection system for the decay spectroscopy. KISS will allow us to study unknown isotopes produced in weak re-action channels under low background conditions. The off-line test of the KISS has been finished. As a next step, on-line test experiments have been performed to investigate the overall efficiency and selectivity of the system as a function of the injected 56Fe beam intensity from the RIKEN Ring Cyclotron (RRC).
© Owned by the authors, published by EDP Sciences, 2014
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