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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/SiO2_quartzb.laz

    r2012 r2925  
    88# 
    99# Physical parameters: 
    10 # sigma_coh 10.625  coherent scattering cross section in [barn] 
    11 # sigma_inc 0.0056  incoherent scattering cross section in [barn] 
    12 # sigma_abs 0.1714  absorption scattering cross section in [barn] 
     10# sigma_coh 10.625  coherent scattering cross section for SiO2 in [barn] 
     11# sigma_inc 0.0056  incoherent scattering cross section for SiO2 in [barn] 
     12# sigma_abs 0.1714  absorption scattering cross section for SiO2 in [barn] 
    1313# density   2.53    in [g/cm^3] 
    14 # weight    60.08   in [g/mol] 
    15 # nb_atoms  9       in [atoms/unit cell] 
     14# weight    60.08   in [g/mol] for SiO2 
     15# multiplicity 3    in [atoms/unit cell] 
     16# Vc        117.92  volume of unit cell in [A^3] 
    1617# T_m       1140    melting temperature in [K] 
    1718# T_b       2503    boiling temperature in [K]