Measurement of the thermal neutron capture cross section and resonance integral of Am-241
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N. L. Maidana
Measurements of the thermal neutron cross section and resonance integral for the reaction 241Am(n,γ) 241gAm have been performed at the IEA-R1 research reactor operating at 2 MW. A 4πβ-γ coincidence system applying the tracer technique has been used for measuring the activities. Irradiations with and without cadmium cover were performed and the neutron transmission through this cover was calculated by the Monte Carlo method. High resolution γ-ray spectrometry measurements were undertaken in order to check the consistency of the results and to measure activities of the neutron fluence monitor foils. Covariance analysis has been applied to all uncertainties involved. The thermal neutron cross section for 2200 m/s neutrons and the resonance integral resulted (602±9)b and (1665±91)b, respectively. These results are discussed and compared with previous measurements.
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Articles in the same Issue
- Measurement of the thermal neutron capture cross section and resonance integral of Am-241
- Utilisation of a low power reactor for instrumental neutron activation analysis of 40 elements in coal
- Imaging plate characteristics of positron emitters: 11C, 13N, 15O, 18F and 38K
- A spectroscopic study of the hydrolysis, colloid formation and solubility of Np(IV)
- Effect of structure of N,N dialkyl amides on the extraction of U(VI) and Th(IV): a thermodynamic study
- Crown ether as size selective synergist in the solvent extraction of thorium(IV) and uranium(VI) with 3-phenyl-4-(4-fluorobenzoyl)-5-isoxazolone
- Separation of strontium from yttrium nitrate solutions by solvent extraction with dicyclohexano-18-crown-6
- Identification and characterization of sorbed lutetium species on 2-line ferrihydrite by sorption data modeling, TRLFS and EXAFS
