"104374907"^^ . . . "04374907-n"^^ . . "cyclotron that achieves relativistic velocities by modulating the frequency of the accelerating electric field"@en-us . "0"^^ . . "synchrocyclotron"@en-us . . "synchrocyclotron"^^ . . "104205628"@en-us . "103458263"@en-us . "0"^^ . . . .