Changes in sasmodels/models/sc_paracrystal.py [2d81cfe:da7b26b] in sasmodels
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sasmodels/models/sc_paracrystal.py
r2d81cfe rda7b26b 1 1 r""" 2 .. warning:: This model and this model description are under review following 3 concerns raised by SasView users. If you need to use this model, 4 please email help@sasview.org for the latest situation. *The 5 SasView Developers. September 2018.* 6 7 Definition 8 ---------- 9 2 10 Calculates the scattering from a **simple cubic lattice** with 3 11 paracrystalline distortion. Thermal vibrations are considered to be … … 5 13 Paracrystalline distortion is assumed to be isotropic and characterized 6 14 by a Gaussian distribution. 7 8 Definition9 ----------10 15 11 16 The scattering intensity $I(q)$ is calculated as … … 20 25 $Z(q)$ is the paracrystalline structure factor for a simple cubic structure. 21 26 22 Equation (16) of the 1987 reference is used to calculate $Z(q)$, using 23 equations (13)-(15) from the 1987 paper for Z1, Z2, and Z3. 27 Equation (16) of the 1987 reference\ [#CIT1987]_ is used to calculate $Z(q)$, 28 using equations (13)-(15) from the 1987 paper\ [#CIT1987]_ for $Z1$, $Z2$, and 29 $Z3$. 24 30 25 31 The lattice correction (the occupied volume of the lattice) for a simple cubic … … 91 97 Reference 92 98 --------- 93 Hideki Matsuoka et. al. *Physical Review B,* 36 (1987) 1754-176594 (Original Paper)95 99 96 Hideki Matsuoka et. al. *Physical Review B,* 41 (1990) 3854 -3856 97 (Corrections to FCC and BCC lattice structure calculation) 100 .. [#CIT1987] Hideki Matsuoka et. al. *Physical Review B*, 36 (1987) 1754-1765 101 (Original Paper) 102 .. [#CIT1990] Hideki Matsuoka et. al. *Physical Review B*, 41 (1990) 3854 -3856 103 (Corrections to FCC and BCC lattice structure calculation) 104 105 Authorship and Verification 106 --------------------------- 107 108 * **Author:** NIST IGOR/DANSE **Date:** pre 2010 109 * **Last Modified by:** Paul Butler **Date:** September 29, 2016 110 * **Last Reviewed by:** Richard Heenan **Date:** March 21, 2016 98 111 """ 99 112
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