Development of a monoenergetic ultraslow antiproton beam source for high-precision investigation

Department of Physics, Tokyo University of Science, Shinjuku, Tokyo 168-8601, Japan(Received 13 July 2011; published 17 February 2012)TheASACUSA collaborationdeveloped an ultraslowantiproton beam source, monoenergetic ultraslowantiproton source for high-precision investigation (MUSASHI), consistingof an electromagnetic trapwitha liquid He free superconducting solenoid and a low energy antiproton beam transport line. TheMUSASHI was capable of trapping and cooling more than 1 10