no_digested
BEGINNING[BETA_A]  = 50
BEGINNING[ALPHA_A]=  0
BEGINNING[BETA_B] = 50
BEGINNING[ALPHA_B] = 0

PARAMETER[PARTICLE] = ELECTRON
parameter[absolute_time_tracking]=true
PARAMETER[LATTICE_TYPE] = LINEAR_LATTICE
BEGINNING[E_TOT]  = 15.0E+06


radius = 0.01
P1: PIPE, L =0.05 
P2: PIPE, L = 1.0

P1[wall] = {
	section = { s = 0,
	  v(1) = {0, 0, radius}},
	section = { s = P1[L],
	  v(1) = {0, 0, radius}}}

Q1: quadrupole, L = 0.5, superimpose, ref = p2
Q1[k1] = -10

P2[wall] = {
	section = { s = 0,
	  v(1) = {0, 0, radius}},
	section = { s = P2[L],
	  v(1) = {0, 0, radius}}}


test_line : line = (4*P1,p2)
!test_line : line = (p1)

*[ds_step] = 1e-3

USE, test_line