Abstract
ReA is a reaccelerator of rare-isotope beams at the National Superconducting Cyclotron Laboratory (NSCL). The rare isotopes are produced by fast projectile fragmentation. After production, they are separated in-flight and thermalized in a He gas "catcher" cell before being sent to ReA for reacceleration to a few MeV/u. One of its main components is an electron-beam ion trap (EBIT) employed to convert injected singly charged ions to highly charged ions prior to injection into linear-accelerator structures. The ReA EBIT features a high-current electron gun, a long trap structure, and a two-field superconducting magnet to provide both the high electron-beam current density needed for fast charge breeding and high capture probability of injected beams. This paper presents recent commissioning results. In particular, 39K+ ions have been injected, charge bred to 39K16+ and extracted for reacceleration up to 60 MeV. First charge-breeding results of beams injected from a commissioning Rb ion source in the NSCL's beam "stopping" vault are also presented.
Original language | English |
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Pages (from-to) | 399-401 |
Number of pages | 3 |
Journal | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS |
Volume | 317 |
Issue number | PART B |
DOIs | |
State | Published - Dec 15 2013 |
Keywords
- Charge breeding
- Electron-beam ion trap
- Highly charged ions
- Post-accelerator
- Rare isotopes