no_digested

parameter[lattice]                = g_2
parameter[particle]               = antimuon
parameter[geometry] = open
parameter[p0c]                    = 3.094353005E9
particle_start[px] = 1.5e-3

infa:    drift,  l=2,
         tracking_method = bmad_standard, mat6_calc_method = bmad_standard, ds_step=0.001,
         aperture_at = wall_transition,
         aperture_type = wall3d, 
         wall = { superimpose = .true., thickness = 0.0005,
         section = { type = wall_start, s = 0, v(1) = {0.002, 0.01}},
         section = { type = wall_end,   s = 2, v(1) = {0.001, 0.01}} }

dd: drift, l = 10

ec: ecollimator, px_aperture_width2 = 0.01, px_aperture_center = 0.01, 
                 py_aperture_width2 = 0.015,
                 z_aperture_width2 = 0.2, z_aperture_center = -0.6,
                 pz_aperture_width2 = 0.03, pz_aperture_center = 0.02,
                 x1_limit = 1e-10, x2_limit = 0.02,
                 y_limit = 0.015

rc: rcollimator, px_aperture_width2 = 0.01, px_aperture_center = 0.01,
                 py_aperture_width2 = 0.015,
                 z_aperture_width2 = 0.2, z_aperture_center = -0.6,
                 pz_aperture_width2 = 0.03, pz_aperture_center = 0.02,
                 x1_limit = 1e-10, x2_limit = 0.02,
                 y_limit = 0.015

ring: line=(dd, infa, ec, rc)
use, ring