Methodology for calculating the profile and emittance of a particle beam as it is slowed down in matter, including the effects of multiple scattering, axial magnetic field and lithium lens. Strategies are determined for minimum final emittance. For ionization cooling, boron carbide is superior to liquid hydrogen while a beryllium lens has merit.
@article{arxiv.physics/0404072,
title = {Optimum strategy for energy degraders and ionization cooling},
author = {Francis J. M. Farley},
journal= {arXiv preprint arXiv:physics/0404072},
year = {2009}
}
Comments
26 pages, no figures, submitted to NIMA. New emphasis on problems of focusing muon beams and added new section 15 on focusing by high field solenoids