See http://www.aps.anl.gov/Facility/Storage_Ring_Parameters/index.html for the most up-to-date storage-ring parameters.
Gaussian source sizes (corrected as of June 28, 2005) Vertical Horizontal *
Source to sample (Meters) * Wavelength (Angstroms) Sample to Detector (mm)
Pixel size (microns) Vertical Slit size at sample (microns) Horizontal Slit size at sample (microns)
Relative Bandwidth Sample Thickness (mm) Scattering Wavevector (inv. ang.)
* See attached for an explanation of the effective horizontal source size at 8-ID.
Vertical coherence length = microns. Effective vertical coherence length= microns.
Horizontal coherence length = microns. Effective horizontal coherence length= microns.
longitudinal coherence length = microns.
Beta_ver= Beta_hor= Product of Betas =