parameter[lattice] = "CSR benchmark chicane"

beginning[beta_a] = 100
beginning[beta_b] = 100

beginning[e_tot] = 5000e6

parameter[geometry] = open


d1: drift, L = 1
d2: drift, L = 1



Mar.BEG: marker
Mar.END: marker

angle = -2.77 * pi/180
Lbendproj = 0.5 
Lpipeproj = 5.0
Lpipe_center = 1.0

B1: sbend, L =Lbendproj * angle/sin(angle), angle = angle, e2 = angle
B2: B1, angle = -angle, e1=-angle, e2 = 0
B3: B1, angle = -angle, e1=0, e2 = -angle
B4: B1, angle = angle, e1=angle, e2 = 0


P0: Pipe, L = 1
P1: pipe, L = Lpipeproj/cos(angle)
P2: pipe, L = Lpipe_center
P3: P1
P4: P0




lat: line = (Mar.BEG, P0, B1, P1, B2, P2, B3, P3, B4, P4, Mar.END)

use, lat