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  • Title: Alanine blends for ESR measurements of thermal neutron fluence in a mixed radiation field.
    Author: Marrale M, Brai M, Gennaro G, Triolo A, Bartolotta A, D'Oca MC, Rosi G.
    Journal: Radiat Prot Dosimetry; 2007; 126(1-4):631-5. PubMed ID: 17517673.
    Abstract:
    In this paper, the results of a study on the electron spin resonance (ESR) dosimetry to measure thermal neutron fluence in a mixed radiation field (neutron and photons) are presented. The ESR responses of alanine dosemeters with different additives are compared. In particular, the (10)B-acid boric and the Gd-oxide were chosen to enhance the sensitivity of alanine dosemeters to thermal neutrons. Irradiations were carried out inside the thermal column of the TAPIRO reactor of the ENEA center, Casaccia Rome. The main results are a greater neutron sensitivity and a smaller lowest detectable fluence for the dosemeters with gadolinium than for dosemeters of alanine with (10)B, which is well known to be much more sensitive to thermal neutrons than simple alanine.
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