&ion_emitter_params
  option = 2
  latname = 'cbeta_1pass_20160125.lat' 
  outname = 'cbeta_1pass_20160125.dat'
  sspacing = 0.1
  max_time = 0.001
  gas_name = 'H2'
  n_ions = 1D10
  n_slices = 6
  s_start = 25.0
  s_end = 30.0
  hspacing = 5.0D-10
  n_included = 50
/