9회를 시작하자마자 투수는??? 박찬호가 나왔습니다. 과연 완투승을 이끌어낼 수 있을지... Synchrotron radiation is the electronmagnetic radiation emitted by electrons or positrons moving at relativistic velocities along a curved trajectory with a large radius of curvature."Large" here implies that quantum effects are negligible,while they are not.The name itself,"synchrotron" radiation, derives from one specific type of accelerator, the electron synchrotron.