Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000rsci...71.1075i&link_type=abstract
Review of Scientific Instruments, Volume 71, Issue 2, pp. 1075-1078 (2000).
Astronomy and Astrophysics
Astrophysics
3
Ion Sources: Positive And Negative, Beam Injection And Extraction, Elementary Particle Processes
Scientific paper
A compact low-energy, high current accelerator has been constructed for the study of fusion reactions relevant to the field of nuclear astrophysics. It consists of a modified NANOGUN™, a low-energy beam transport, a windowless gas target, a beam calorimeter, and a detector system. The accelerator and the NANOGUN ion source with a single extraction electrode provides 930 μA 3He1+ of 20 keV at a gas target chamber. A two-electrode extraction has been tested for a few source voltages. The obtained target current is 75, 140, 110, 110, 105, 78, and 80 μA for 20, 25, 30, 35, 38, 40, and 45 kV potential, respectively. The transport efficiency from the source to the target is 5.7%.
Ejiri Hiro
Itahashi Tatsumasa
Komori Masataka
Kudomi K.
Kume Kyo
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