*------------------------------------------------------------
* Attenuations command file as used by MCPROD for processing of 
* D2O (LETA) data. Do not edit without the permission of the MCPROD Group.
*------------------------------------------------------------
*  Command file to set optical parameters
*  Based on QOCAFit results
*  This file must be read in before any version of media.dat
*  File produced: Tue Jan 10 14:39:27 2006
*  Contact: O. Simard (Carleton)
*------------------------------------------------------------
*  Rayleigh scale factor is change from 25degC (SNOMAN) to   
*    11degC, the average SNO water temperature reported by   
*    the water group (Tony Noble, 2000).*
*  The absorption numbers were calculated from the QOCAFit   
*    attenuation results by subtracting the contribution of  
*    Rayleigh scattering to the prompt attenuation.          
*------------------------------------------------------------
*  Nominal fit results for 4ns time window.
*  Using nominal alpha_d2o(337nm).
*------------------------------------------------------------
*  Rayleigh Scattering Scaling Factor in D2O
*  brought back to 1.000.
*------------------------------------------------------------

$meda_heavy_water $attn_num_data  6.0
$meda_heavy_water $attn_wavelengths        337.0       365.0       386.0       420.0       500.0       620.0 9*0.0
$meda_heavy_water $attn_coefficients   6.057e-05   2.680e-05   3.333e-05   3.006e-05   2.773e-05   2.736e-05 9*0.0
$meda_heavy_water $attn_scl_fac 1.0
$meda_heavy_water $rayleigh_scl_fac 1.000
$meda_heavy_water $isothermal_comp 4.92e-10
*------------------------------------------------------------

$meda_acrylic_standard $attn_num_data  6.0
$meda_acrylic_standard $attn_wavelengths        337.0       365.0       386.0       420.0       500.0       620.0 9*0.0
$meda_acrylic_standard $attn_coefficients   5.610e-02   2.279e-02   1.204e-02   7.587e-03   7.036e-03   7.068e-03 9*0.0
$meda_acrylic_standard $attn_scl_fac 1.0
$meda_acrylic_standard $rayleigh_scl_fac 0.950
$meda_acrylic_standard $isothermal_comp 3.55e-10
*------------------------------------------------------------

* Acrylic Neck: Set to dark for UVA acrylic.
$geom_media $ACRC_OVL $acrylic_dark
*------------------------------------------------------------

$meda_light_water $attn_num_data  6.0
$meda_light_water $attn_wavelengths        337.0       365.0       386.0       420.0       500.0       620.0 9*0.0
$meda_light_water $attn_coefficients   8.410e-05   2.880e-06   1.431e-04   1.034e-04   5.239e-04   2.482e-03 9*0.0
$meda_light_water $attn_scl_fac 1.0
$meda_light_water $rayleigh_scl_fac 0.870
$meda_light_water $isothermal_comp 4.78e-10
*------------------------------------------------------------