Abstract
The buildup factor is an important characteristic that need to be studied and determined prior to using a material clinically in radiation treatment and protection. Energy absorption buildup factors for some titanium compounds like Titanium dioxide (TiO 2 ), Titanium Carbide (TiC), Titanium Nitride (TiN) and Titanium Silicate (TiSi 2 ) has been calculated using the G.P. fitting technique upto penetration depth of 40 mean free path (mfp) and in an energy range from 0.015 to 15.0 MeV. The variation of absorption buildup factors with penetration depth for the selected compounds of titanium has been studied. It has been found that the maximum value of energy absorption buildup factors shifts to the intermediate incident photon energy regions with the increase in penetration depth of the selected compounds of titanium.
Highlights
Absorption buildup factor for some biological samples viz. Cholesterol, chlorophyll, hemoglobin, muscle, tissue, cell and bone in the energy range of 0.015 to 15.0 MeV with penetration depth up to 40 mfp, using G.P. fitting method
T. singh et al [12] worked on Chemical composition dependence of exposure buildup factors for some polymers After going through the above literature, it has been observed that with the ever increasing use of gamma ray photons in medicine and bio-physics, there is a dire need of proper investigations concerning gamma rays multiple scattering effects on Titanium compounds
Multiple scattering effects of gamma rays in some compounds of titanium has been studied in terms of some photon interaction parameters viz. mass attenuation coefficient, equivalent atomic number and energy absorption buildup factor in the energy range of 15.0 keV to 15.0 MeV and penetration depth upto 40 mfp
Summary
Sidhu et al [8] had computed energy absorption buildup factor for some biological samples viz. Cholesterol, chlorophyll, hemoglobin, muscle, tissue, cell and bone in the energy range of 0.015 to 15.0 MeV with penetration depth up to 40 mfp, using G.P. fitting method. K. Trots et al [10] proposed vector regression model for the estimation of gamma ray buildup factors for multi–layer shields for Al, Fe, Pb, water and concrete in the energy range of 5 to 10 MeV with penetration depth more than 10 mfp.
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