[1] Zhang Min. Emittance fmula f slits pepperpot measurement[R]. FERMILABTM1988, 1996.
[3] Ridson R D, Platt R C, Crist C E. Beam emittance from coherent Cherenkov radiation in a solid dielectric[C]Proceedings of International Conference on Particle Accelerats. 1993: 24562458.
[7] http:www.lns.cnell.edu~dlrcesrcmultiple_scattering.pdf, 20020218.