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SasView - Open Source SAS Data Analysis Softwareen-USTrac 1.0.1
http://trac.sasview.org/ticket/1259
http://trac.sasview.org/ticket/1259#1259: Prefactor calculation when there are both P(Q) and S(Q)Tue, 26 Mar 2019 10:13:25 GMTyunliu<p>
The models for vesicle and sphere systems ( P(Q) ) with the hard sphere interaction ( S(Q) ) have two volume fraction: phi_PQ and phi_SQ.
phi_PQ is the volume fraction from the form factor.
phi_SQ is the volume fraction from the structure factor.
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Based on the testing of the two models, the prefactor of the scattering intensity is currently set up to be proportional to scale*phi_PQ*phi_SQ.
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If the scale is set up to one, the prefactor with the absolute intensity should be proportional to phi_PQ only.
It should not be phi_PQ*phi_SQ.
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It is suggested to remove phi_SQ from the calculation of the prefactor.
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Resultshttp://trac.sasview.org/ticket/1259#changelog