Abstract: The present invention includes a magnetic storage ring into which electrons or other charged particles can be injected from a point external to the ring and still subscribe a path, after injection, contained within the magnetic storage ring. The magnetic storage ring consists of purely static (permanent) magnetic fields. The particles pass one or more times through a solid target that causes the high energy charged particles to emit radiation and damps the momentum of the particles, so that they cannot escape the magnetic field, allowing them to be captured therein.