Open AccessPHOTON COHERENT SCATTERING AT THE RELATIVELY SMALL MOMENTUM TRANSFER
Author(s) -
Dufei Fang,
Tang Xiao-Wei,
Yang Bao-Zhung,
Yaoqing Li
Publication year - 1987
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.36.640
Subject(s) - physics , momentum transfer , photon , scattering , atomic physics , momentum (technical analysis) , range (aeronautics) , full width at half maximum , nuclear physics , detector , optics , materials science , finance , economics , composite material
Using the radioactive gamma ray source 141Ce (Er = 145 keV) and Ge(Li) detector (FWHM = 2.21keV at 1.33 MeV), we have measured the cross sectipn of photon coherent scattering from Al, Fe, Cu and Pb over the range of momentum transfer x=1.2-5.0 ?-1. The theory of form-factor approximation resulting from relativistic Hartree-Fock (RHF) atomic model is found to be adequate in explaining the experimental results.