Heidelberg 1999 – wissenschaftliches Programm

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Synchrotron radiation of crystallized beams — •Harel Primack and Reinhold Blümel — Fak. f. Physik, Uni-Freiburg

We study the modifications of synchrotron radiation of charges

in a storage ring as they are cooled. The pair correlation

lengths between the charges are manifest in the synchrotron

radiation and coherence effects exist for wavelengths longer

than the coherence lengths between the charges. Therefore the

synchrotron radiation can be used as a diagnostic tool to

determine the state (gas, liquid, crystal) of the charged

plasma in the storage ring. We show also that the total power

of the synchrotron radiation is enormously reduced for

crystallized beams. This opens the possibility of accelerating

particles to ultra-relativistic energies using small–sized

cyclic accelerators.