Changeset bb6f0f3 in sasmodels


Ignore:
Timestamp:
Feb 4, 2016 12:39:22 PM (8 years ago)
Author:
Paul Kienzle <pkienzle@…>
Branches:
master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
Children:
d18582e
Parents:
9958cb0
Message:

docs

File:
1 edited

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  • doc/guide/index.rst

    r19dcb933 rbb6f0f3  
    1 ********************** 
    2 SAS Model Organization 
    3 ********************** 
     1********** 
     2SAS Models 
     3********** 
     4 
     5Small angle X-ray and Neutron (SAXS and SANS) scattering examines the 
     6scattering patterns produced by a beam travelling through the sample 
     7and scattering at low angles.  The scattering is computed as a function 
     8of $q_x$ and $q_y$, which for a given beam wavelength corresponds to 
     9particular scattering angles. Each pixel on the detector corresponds to 
     10a different scattering angle. If the sample is unoriented, the scattering 
     11pattern will appear as rings on the detector.  In this case, a circular 
     12average can be taken with 1-dimension data at $q = \surd (q_x^2 + q_y^2)$ 
     13compared to the orientationally averaged SAS scattering pattern. 
    414 
    515Models have certain features in common. 
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