Synchrotron Radiation (or Magnetobremsstrahlung, Magneto-Bremsstrahlung, Magneto-Brems, MBS) is radiation emitted by a charged particle traveling at near the speed of light when it is accelerated. It was discovered in a Synchrotron (particle accelerator). It can be generated in magnetic fields in space. Characteristics:
Radiation from slower-moving charged particles is called Cyclotron Radiation.
Proton Synchrotron Radiation is that specifically generated by protons to distinguish it from the more frequent electron-generated radiation. It is found in proton accelerators and in astrophysical phenomena that accelerate protons to Relativistic Speeds. It is relatively rare because a proton's much larger mass makes achieving the relativistic speeds less frequent.
Synchrotron Self-Compton (SSC)