&input
lat_file = "/home/sw565/sw565/test_with_bmad/osc_track/jobs/will_bypass1/lat1.lat"
n_turns = 4			! number of turns 
n_particle = 1E2		! number of particles in a bunch
excitation_on = T		! excitation on? default = .true.
damping_on = T                  ! damping on?  default = .true.
!x_emit = 10E-9			! horizontal emittiance to generate the initial particle distribution 
y_emit = 3.9E-11                ! vertical emittance to generate the initial particle distribution  
use_init_dist = F		! use the initial distribution files for the particles? default = .false.
n_obs_pts= 1                    ! number of observation points
obs_ele_names = "p_mark"        ! observation point element name
feed_pick = "p_mark"            ! OSC pickup undulator element name
feed_kick = "k_mark" 		! OSC kicker undulator element name
feedback_gain = 2E-9		! OSC amplifier gain "xi"
feedback_on = T			! turn on OSC ? default = .false.
display_d_s = F			! display delay on screen? default = .false.
add_incoherent_kick = T		! add incoherent kick? 
output_last_turn = T		! output last turn particle distribution? 
use_dist_for_inco = T		! use bunch distribution to calculate incoherent kick? 
sigma_cons = 28.08		! incoherent Gaussian distribution sigma
lambda = 0.8E-6                 ! undulator first harmonics wavelength
output_ds_vec = T 		! output path length delay and particles vec? 
use_kick_file = T		! use longitudianl and transverse energy files?
calc_nonlin_ds = F  		!calculate the nonlinear factor of ds using taylor map? default .
use_real_kick = F		! passive mode for OSC? default = .false.
/