Powder dictionary (pdCIF) version 1.0.1


'_pd_instr_beam_size_ax' '_pd_instr_beam_size_eq'


   Axial and equatorial dimensions of the radiation beam
   at the specimen position (in millimetres).
   The perpendicular to the plane containing the incident
   and scattered beam is the axial (*_ax) direction.

The permitted range is 0.0 -> infinity

Type: numb

Category: pd_data

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