Abstract
In this study, total atomic cross-section (σta), total moleculer cross-section (σtm) total electronic cross-section (σte), effective atomic number (Zeff), effective electron density (Neff) and Kerma (K) were determined both experimentally and theoretically values for some iodine compounds. Experimental mass attenuation coefficient (µ/ρ) values for some iodine compounds were calculated with the data obtained from the test results. The theoretical mass attenuation coefficient values of these compounds were calculated with the WinXCOM data program. Also, we have performed the measurements for the calculations of experimental values mass attenuation coefficient using direct transmission experimental geometry. The transmission photon intensity of halogene iodine compounds were measured in a narrow beam experiment geometry was used 59.543 keV γ-ray from an 241Am radioactive source. The tranmissions spectra from iodine compounds were recorded with a Si (Li) detector having a resolution of 155 eV FWHM at 5.9 keV (55Fe) and coupled to a 1024 channel analyzer through a spectroscopic amplifier. This study was provided that new insights into the literature since mass attenuation coefficient experimental values of some I compounds have not been determined previously. More research should be done to observe the changes in the chemical structure of iodine compounds with gamma-ray interaction. This study will shed light on further research.
Highlights
With the development of technology the using of radiation has been increased in the area of medicine and industry
The mass attenuation coefficient is an important parameter in the field of photon interaction with compounds
The mass attenuation coefficient is helpful in deriving many other photon interaction parameters such as molecular cross section, atomic cross section, effective atomic number and effective electron density
Summary
With the development of technology the using of radiation has been increased in the area of medicine and industry. The study of the interaction of gamma radiation with matter has become an important subject in the field of nuclear medicine, radiation protection, radiation physics and chemistry. The mass attenuation coefficient is an important parameter in the field of photon interaction with compounds. The mass attenuation coefficient is helpful in deriving many other photon interaction parameters such as molecular cross section, atomic cross section, effective atomic number and effective electron density. The mass attenuation coefficient is a quantity which defineds the extent to which the intensity of gamma photons is reduced as it penetrate the compounds [4]. The mass attenuation coefficients of materials are used prominently in various applications of medical physics, nuclear fields, radiation shielding, radiotherapy, medical applications [5,6]
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