core_shell_microgelscostrafo411magnetic_modelrelease_v0.94release_v0.95ticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
|
Last change
on this file since a9d4d1f was
bb6f0f3,
checked in by Paul Kienzle <pkienzle@…>, 9 years ago
|
|
docs
|
-
Property mode set to
100644
|
|
File size:
1.2 KB
|
| Rev | Line | |
|---|
| [bb6f0f3] | 1 | ********** |
|---|
| 2 | SAS Models |
|---|
| 3 | ********** |
|---|
| 4 | |
|---|
| 5 | Small angle X-ray and Neutron (SAXS and SANS) scattering examines the |
|---|
| 6 | scattering patterns produced by a beam travelling through the sample |
|---|
| 7 | and scattering at low angles. The scattering is computed as a function |
|---|
| 8 | of $q_x$ and $q_y$, which for a given beam wavelength corresponds to |
|---|
| 9 | particular scattering angles. Each pixel on the detector corresponds to |
|---|
| 10 | a different scattering angle. If the sample is unoriented, the scattering |
|---|
| 11 | pattern will appear as rings on the detector. In this case, a circular |
|---|
| 12 | average can be taken with 1-dimension data at $q = \surd (q_x^2 + q_y^2)$ |
|---|
| 13 | compared to the orientationally averaged SAS scattering pattern. |
|---|
| [19dcb933] | 14 | |
|---|
| 15 | Models have certain features in common. |
|---|
| 16 | |
|---|
| 17 | Every model has a *scale* and a *background*. |
|---|
| 18 | |
|---|
| 19 | Talk about orientation, with diagrams for orientation so that we don't need |
|---|
| 20 | a link on every model page? |
|---|
| 21 | |
|---|
| 22 | .. _orientation: |
|---|
| 23 | |
|---|
| 24 | .. figure: img/orientation1.jpg |
|---|
| 25 | |
|---|
| 26 | Orientation in 3D |
|---|
| 27 | |
|---|
| 28 | .. figure: img/orientation2.jpg |
|---|
| 29 | |
|---|
| 30 | Orientation cross sections |
|---|
| 31 | |
|---|
| 32 | Talk about polydispersity. |
|---|
| 33 | |
|---|
| 34 | Talk about magnetism, converting the magnetism help file to inline text here, |
|---|
| 35 | with links so that models can point back to it. |
|---|
| 36 | |
|---|
| 37 | Need to talk about structure factors even though we don't have any |
|---|
| 38 | implemented yet. |
|---|
Note: See
TracBrowser
for help on using the repository browser.
