[SLAC] [SLAC Pubs and Reports]
SLAC-PUB-7402
Crystal Channel Collider: Ultra-high Energy and Luminosity in the Next Century
Abstract
We assume that, independent of any near-term discoveries, the
continuing goal of experimental high-energy physics (HEP) will be to
achieve ultra-high center-of-mass energies, possibly approaching the
Planck scale (1O28 eV), in the next century. To progress
to these energies in such a brief span of time will require a radical
change in accelerator and collider technology. High-gradient
acceleration of charged particles along crystal channels and the
possibility of colliding them in these same strong-focusing atomic
channels have been separately investigated in earlier proposals. Here
we expand further upon the concepts of emittance damping and plasma
wave generation to explore a new paradigm for HEP machines early in
the next century: the crystal channel collider. Energy and emittance
limitations in natural crystal accelerators are determined. The
technologies needed to begin experimental research on this accelerator
concept are now emerging. The excitation of 1 to 100 GV/cm plasma
waves in semiconductor and metal crystals by either the laser
wakefield or side-injected laser techniques appears experimentally
feasible with near-term lasers.
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