[mcstas-users] Powder sample density

Brokx, Johannes johannes.brokx14 at imperial.ac.uk
Tue Sep 8 12:16:08 CEST 2015

Dear all,
I would like to use the PowderN sample component to simulate diffraction in an iron powder.  However I am unsure about how I allow for the density of the powder.
I have a value for sigma_abs (2200m/s) of 2.56.  The Powder component has parameters; density, pack and Vc but I am unsure as to how they relate to each other and which I need to alter to allow for the density of the powder (41% that of the solid).
 Any advice greatly appreciated.

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