&input
lat_file = "/home/sw565/sw565/test_with_bmad/osc_track/jobs/will_bypass1/lat1.lat"
n_turns = 4
n_particle = 1E3
excitation_on = T
damping_on = T
!x_emit = 10E-9
y_emit = 3.9E-11
turn_step = 5E3
n_obs_pts= 1
obs_ele_names = "p_mark" 
feed_pick = "p_mark" 
feed_kick = "k_mark" 
feedback_gain = 2E-9
feedback_on = T 
use_am_factor = T
display_d_s = F
add_incoherent_kick = T
output_last_turn = T
use_dist_for_inco = T
sigma_cons = 28.08
output_ds_vec = T 
lambda = 0.8E-6                    ! undulator first harmonics
use_kick_file = T
calc_nonlin_ds = F  !calculate the nonlinear factor of ds using taylor map
apply_mag_noise = T
ele_noise%key_name   = "sbend"
ele_noise%mask       = "b" ! choose bends whose name containing 'b'
ele_noise%attrib_name = "b_field"
!ele_noise%attrib_name = "g"
ele_noise%error_type  = "multiplicative"
ele_noise%start_freq = 60 !60Hz ~ T=16.7ms, 6510 turns
ele_noise%fft_data(1)%a= 1E-4
ele_noise%fft_data(1)%phi = 0
ele_noise%n_turns_recalc = 1E5
ele_noise%random_jitter = T
ele_noise%random_jitter_sigma = 1E-5
/