Incoherent scattering of 59.54 keV gamma rays for some rare earth elements at low photon momentum transfers

Abstract

Incoherent scattering functions S(x, Z) for six rare earth elements were evaluated from accurately measured whole atom differential incoherent scattering cross sections for 59.54 keV γ-rays scattered at 30°, 45°, 60° and 90° scattering angles corresponding to 1.24, 1.84, 2.40 and 3.39 Å -1 photon momentum transfers. Our results for S(x, Z) are the first for these rare earth elements. © 2001 Elsevier Science Ltd. All rights reserved