&rlo_exp_job
         
         mdonor = 1.0d0  ! donor mass in Msun
         maccretor = 0.8d0 ! companion mass in Msun
         initial_period_in_days = 0.5d0
         !initial_separation_in_Rsuns = 100 ! only used when initial_period_in_days < 0

         ! timestep controls based on relative changes
         fm = 0.01d0 ! change of envelope mass
         fa = 0.01d0 ! change of binary separation
         fr = 0.10d0 ! change of relative Roche lobe gap
         fj = 0.01d0 ! change of orbital angular momentum

         cur_mdot_frac = 0.5d0
         smallest_mass = 0.02d0 ! soon get eos problems below this
         max_abs_mdot = 1d-7
         max_yrs_dt = 1d9 ! in years

         !rotation controls (experimental!)
         do_rotation = .true.
         do_initial_orbit_synch = .false.
         do_tidal_synch = .true.
         do_j_accretion = .false. ! if false and doing_rotation then accrete same j as surface

         ! controls for implicit selection of mdot to get required RL relative overlap at end of step
            ! rl_rel_overlap_tolerance ! e.g. 1d-3.    <= 0 means ignore
               ! if at end of step, donor R >= RL, then require (R-RL)/RL <= rl_rel_overlap_tolerance.
                  ! if relative overlap is too large, then select larger mdot and redo the step.
               ! if at end of step, donor R < RL, then require mdot = 0.
                  ! if mdot is not 0, then select smaller mdot, perhaps 0, and redo the step.
            ! max_tries_to_achieve ! <= 0 means skip this process
            ! if this is > 0 and fail to achieve desired rl_rel_overlap, retry with smaller timestep.
         !rl_rel_overlap_tolerance = 1d-2
         !max_tries_to_achieve = 50
            ! each step during mass transfer the change factor will be modified according to:
            !    if(mass_transfer_rate < mass_transfer_prev) then
            !       change_factor = change_factor*(1.0-implicit_lambda) &
            !          + implicit_lambda*(1+change_factor_fraction*(mass_transfer_rate/mass_transfer_prev-1))
            !    else
            !       change_factor = change_factor*(1.0-implicit_lambda) &
            !          + implicit_lambda*(1+change_factor_fraction*(mass_transfer_prev/mass_transfer_rate-1))
            !    end if
            ! choosing implicit_lambda = 0 will keep the change factor constant.
         change_factor = 2.0d0
         change_factor_fraction = 0.5d0
         implicit_lambda = 0.25d0
         max_change_factor = 2.0d0
         min_change_factor = 1.005d0

         !transfer efficiency controls
         transfer_fraction = 1.0d0
         limit_retention_by_mdot_edd = .true.
         use_this_for_mdot_edd = -1 ! fixed mdot_edd in Msun/yr, ignored if negative
         companion_ratio_limit = 0.5 ! for limiting accretion as accretor fills its rl
         do_companion_ratio_limit = .false.

         !irradiation controls
         accretion_powered_irradiation = .false.
         accretor_radius_for_irrad = 1d6 ! e.g., 10km for ns
         col_depth_for_eps_extra = -1
         irrad_flux_at_std_distance = -1
         std_distance_for_irradiation = -1
         max_F_irr = 5d12

         !orbital J controls
         upper_limit_on_period_in_hours = 1d99
         jdot_multiplier = 1d0
         alpha = -1 ! for mass loss jdot
         gr_only = .false.
         okay_to_do_magnetic_braking = .true.
         include_accretor_mb = .false.
         magnetic_braking_gamma = 3.0d0
         !tidal controls
         tidal_Q = 0 ! no tidal braking if tidal_Q = 0
         R_companion = -1 ! fixed companion radius in Rsun for tidal braking
         
/ ! end of rlo_exp_job namelist
