Analytical form for transfer matrix in transverse coordinates, arbitrary magnetic field
16 December 2014
Updated by Rogers, Chris about 7 years ago
I note I dropped a factor 1/pz in the bottom left hand square of M_d in http://micewww.pp.rl.ac.uk/attachments/3173/2014-12-16_13.35.00.jpg
So elements m_31, m_32, m_41, m_42 (indexing from 1 through 4).