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Angle Scattering, Low

Scattering of a beam of electromagnetic or Acoustic Radiation, or particles, at small angles by particles or cavities whose dimensions are many times as large as the wavelength of the Radiation or the de Broglie wavelength of the scattered particles. Also know as low angle scattering. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Small angle scattering (SAS) techniques, small angle Neutron (SANS), X-ray (SAXS), and Light (SALS, or just LS) scattering, are used to characterize objects on a nanoscale.