期刊
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
卷 266, 期 19-20, 页码 4575-4578出版社
ELSEVIER
DOI: 10.1016/j.nimb.2008.05.081
关键词
Precision mass measurement; Cyclotron-like storage ring; Individual injection
A new apparatus named Rare-RI Ring, for precisely measuring the masses of short-lived rare nuclei including the r-process region is proposed. The Rare-RI Ring is one of the major experimental installations at the RI KEN RI beam Factory. It consists of three main parts: a long injection beam line, a fast kicker system and a cyclotron-like storage ring. The combination of a long injection beam line and a feast kicker system enables Lis to inject short-lived rare nuclei into the ring one by one. The revolution time of each nucleus in the ring is measured with all accuracy of better than 10(-6). Overall, the masses of short-lived rare nuclei including the r-process region can be determined with an order of 10(-6) precision. (c) 2008 Elsevier B.V. All rights reserved.
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