parameter[e_tot] = 15e6
parameter[geometry] = closed
parameter[particle] = electron

ldl = 0.20
lds = 0.05
lqf = 0.10
lqd = 0.10
ang = pi/21.0
g = 3.5

dlh: drift, l=0.5*ldl
ds: drift, l=lds
qf: sbend, field_master=t, l=lqf, 
	b_field=0.0, 
	b1_gradient=-g
qd: sbend, field_master=t, l=lqd/sinc(0.5*ang),  e1=0.5*ang, e2=0.5*ang,
	b_field=-ang*beginning[p0c]/(c_light*lqd), 
	b1_gradient=g

cell: line=(dlh,qf,ds,qd,dlh)