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Timestamp:
09/06/10 16:52:23 (21 months ago)
Author:
farhi
Message:

data: corrected unit cell definition w.r.t chemical formula, which effects cross sections in PowderN, Single X, Isotropic Sqw

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  • trunk/nlib/data/C_graphite.laz

    r2012 r2925  
    88# 
    99# Physical parameters: 
    10 # sigma_coh 5.551   coherent scattering cross section in [barn] 
    11 # sigma_inc 0.001   incoherent scattering cross section in [barn] 
    12 # sigma_abs 0.0035  absorption scattering cross section in [barn] 
     10# sigma_coh 5.551   coherent scattering cross section (single atom) in [barn] 
     11# sigma_inc 0.001   incoherent scattering cross section (single atom) in [barn] 
     12# sigma_abs 0.0035  absorption scattering cross section (single atom) in [barn] 
    1313# density   2.267   in [g/cm^3] 
    14 # weight    12.01   in [g/mol] 
    15 # nb_atoms  4       in [atoms/unit cell] 
     14# weight    12.01   in [g/mol] (single atom) 
     15# multiplicity 4    in [atoms/unit cell] 
     16# Vc        35.29   volume of unit cell in [A^3] 
    1617# v_sound   18350   in [m/s] 
    1718# T_m       3800    melting temperature in [K]