Mass energy-absorption coefficients and average atomic energy-absorption cross-sections for amino acids in the energy range 0.122-1.330 MeV

Mass attenuation coefficients of amino acids such as n-acetyl-l-tryptophan, n-acetyl-l-tyrosine and d-tryptophan were measured in the energy range 0.122-1.330 MeV. NaI (Tl) scintillation detection system was used to detect gamma rays with a resolution of 8.2% at 0.662 MeV. The measured attenuation c...

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Bibliographic Details
Main Authors: More, Chaitali V., Lokhande, Rajkumar M., Pawar, Pravina. P.
Format: Conference Proceeding
Language:English
Subjects:
Absorption cross sections
Absorptivity
Amino acids
Atomic properties
ATTENUATION
Attenuation coefficients
CROSS SECTIONS
Energy
ENERGY ABSORPTION
ENERGY DEPENDENCE
Energy measurement
GAMMA DETECTION
GAMMA RADIATION
Gamma rays
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
IRRADIATION
MASS
MEV RANGE
Nuclear energy
TRYPTOPHAN
TYROSINE
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Summary:Mass attenuation coefficients of amino acids such as n-acetyl-l-tryptophan, n-acetyl-l-tyrosine and d-tryptophan were measured in the energy range 0.122-1.330 MeV. NaI (Tl) scintillation detection system was used to detect gamma rays with a resolution of 8.2% at 0.662 MeV. The measured attenuation coefficient values were then used to determine the mass energy-absorption coefficients (σa,en) and average atomic energy-absorption cross sections (μen/ρ) of the amino acids. Theoretical values were calculated based on XCOM data. Theoretical and experimental values are found to be in good agreement.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4946214