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Kaplan, D.M.

Paper Title Page
MOP066 Status of MICE: the International Muon Ionization Cooling Experiment 229
 
  • D. Huang
    IIT, Chicago, Illinois
  • D.M. Kaplan
    Illinois Institute of Technology, Chicago, Illinois
  • M.S. Zisman
    LBNL, Berkeley, California
 
 

Funding: This work was partially supported by the Office of Science, U. S. Department of Energy, under Contract No. DE-AC02-05CH11231.
A key unanswered question in particle physics is why the universe consists only of matter. It is believed that CP violation in the lepton sector is the answer. The best tool to find this is a muon-based Neutrino Factory. Muons can also be used for an energy-frontier collider that would fit on an existing laboratory site. Since muons are produced as a tertiary beam, their phase space and energy spread are large and must be reduced (cooled) to create a usable beam. Ionization cooling, comprising momentum loss in material followed by rf reacceleration, is the only suitable technique. A cooling channel is merely a linac with absorbing material in the beam path. To demonstrate an understanding of the physics and technology issues, MICE will test a section of cooling channel exposed to a muon beam derived from the ISIS synchrotron at RAL. The muon beam line is now installed and commissioning is under way. Fabrication of cooling channel components and the required detector systems has begun and will be described. A successful demonstration will go a long way toward proving the value of muon beams for future accelerator-based particle physics experiments.