Title: The characterisation of gamma photon incoherent scattering on free and binding electrons by Compton spectroscopy

Authors: Tran Dai Nghiep, Nguyen Thanh Cong

Addresses: Institute for Nuclear Science and Techniques, P.O. Box 5T-160, Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. ' Department of Physics, Vinh University, 182 Nguyen Trai Road, Vinh City, Vietnam

Abstract: The incoherent scattering of 661.6 keV gamma rays in a wide range of atomic numbers was studied for ₆C, ₁₃Al, ₂₆Fe, ₂₉Cu, ₄₇Ag, ₄₈Cd and ₈₂Pb. It was shown that for heavy elements, the scattering on binding electrons is important. Meanwhile, for light elements, the scattering on free electrons is prominent. The differential Compton scattering cross-section as well as the incoherent scattering functions S (E, θ, Z) of atomic number Z for the studied subject was defined by the exponential saturated functions of the energy transfer model. The experimental values agree with the theoretical ones within experimental errors.

Keywords: gamma photon incoherent scattering; free electrons; binding electrons; differential scattering cross-section; scattering function; scattering possibility; energy transfer modelling; gamma rays; nuclear energy; nuclear power.

DOI: 10.1504/IJNEST.2009.027043

International Journal of Nuclear Energy Science and Technology, 2009 Vol.4 No.3, pp.223 - 231

Published online: 13 Jul 2009 *

Full-text access for editors Full-text access for subscribers Purchase this article Comment on this article