Author: D. M. Wheeler

Publisher:

Published: 1960

Total Pages: 242

ISBN-13:

Experimental data were obtained on neutron and gamma-ray attenuation and on neutron activation for representative field materials and on air scattering of radiation. Field materials tested were dry sand, wet sand, clay, limestone, water, a soil mixture, and pine wood. Results of the experiments showed the following: of the materials tested a given thickness afforded more fast-neutron attenuation than gamma-ray attenuation. Secondary-gamma-ray production in expedient materials is an important consideration dependent on the water (hydrogen) content in the material.