DESIGN OF THE LOW ENERGY BEAM TRANSPORT IN RIKEN NEW INJECTOR

2010 
The RI beam factory at RIKEN Nishina Center needs high intensity of uranium ion beams. We constructed a new injector, RILAC2, which would provide several hundred times higher intensity. As a part of the RILAC2, we designed the low energy beam transport, LEBT, from the ion source to the RFQ entrance. We present its requirements and problems, and show our design as the solutions to them. Especially we focus a technique of a pair of two solenoids to treat a rotational operation and a focusing operation independently. Based on this design, the LEBT has been constructed. The RILAC2 will be operational this winter.
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