Monte Carlo approach for calculation of mass energy absorption coeffi cients of some amino acids

• Published in: Nuclear engineering and technology 2021, 53(9), , pp.3044-3050
• Main Authors: Ahmet Bozkurt, Aycan Sengul
• Format: Article
• Language: English
• Subjects: 원자력공학
• ISSN: 1738-5733; 2234-358X
• DOI: 10.1016/j.net.2021.04.004

This study offers a Monte Carlo alternative for computing mass energy absorption coefficients of anymaterial through calculation of photon energy deposited per mass of the sample and the energy fluxobtained inside a sample volume. This approach is applied in this study to evaluate mass energy absorptioncoefficients of some amino acids found in human body at twenty-eight different photon energiesbetween 10 keV and 20 MeV. The simulations involved a pencil beam source modeled to emit aparallel beam of mono-energetic photons toward a 1 mean free path thick sample of rectangularparallelepiped geometry. All the components in the problem geometry were surrounded by a 100 cmvacuum sphere to avoid any interactions in materials other than the absorber itself. The results computedusing the Monte Carlo radiation transport packages MCNP6.2 and GAMOS5.1 were checked against thetheoretical values available from the tables of XMUDAT database. These comparisons indicate very goodagreement and support the conclusion that Monte Carlo technique utilized in this fashion may be used asa computational tool for determining the mass energy absorption coefficients of any material whose dataare not available in the literature. KCI Citation Count: 0