[mcstas-users] Debye-Waller factor

[Дима Шапиро]

Hello everyone

I have a question concerning Debye-Waller factor in the component PowderN. What should I substitude here? 
In manual it's written that DW factor is exp(-2W). Is this W the same as thermal parameter B, which is connected with root-mean square diversion from equilibrium of atoms <u^2>?
How should I take into account dependence of DW on scattering vector q (i.e. on scattering angle)? 

Thanks in advance
Dmitrii Shapiro (PNPI, Gatchina)
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