PARTICLE ACCELERATOR

PURPOSE:To provide possibility of generating SOR beams having a plurality of wavelengths or SOR beams having a large wavelength width simultaneously using the device and conduct a bombard experiment of charged particles with one another bearing different magnitudes of energy by the use of a single particle accelerator. CONSTITUTION:A particle accelerator is equipped with a vacuum chamber 22 in which a charged particles orbit and a deflecting electric magnet 23 (24) which is installed outside of the vacuum chamber 22 and in which magnetic poles 41, 42 having different polarities are arranged opposingly while sandwiching runway where the charged particles orbit. The magnetic pole surface confronting the runway is furnished with a step in the direction perpendicular to the orbiting of charged particles, and with this step, a plurality of particle orbiting tracks 25, 26 are formed between the magnetic poles 41, 42. This permits forming a plurality of particle orbiting tracks in a single particle accelerator and allows charged particles bearing different magnitudes of energy to orbit simultaneously.