Speaker
Description
A muon linear accelerator is under development at J-PARC for precise measurement of the muon anomalous magnetic moment (g-2) and electric dipole moment (EDM). The disk-and-washer (DAW) structure is employed to accelerate muons from 30% of the speed of light (kinetic energy = 4 MeV) to 70% (40 MeV) at 1296 MHz. The muon DAW consists of tanks accelerating the muons and bridge couplers that couple the tanks and focus the beam using an internal quadrupole doublet. The connection between the disks in the tank uses a bolt-tightening method to avoid thermal deformation of the washer-supporting structure during brazing. The tank and bridge-coupler prototypes are currently being fabricated and will be tested. This paper presents the design of the bridge-coupler prototype and the performance evaluation of the tank and bridge-coupler prototypes.
Region represented | Asia |
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Paper preparation format | LaTeX |