%0 Journal Article
%T Simulation results of a real-time in water tritium monitor
%A Azevedo, C. D. R.
%A Baeza, A.
%A Chauveau, E.
%A Corbacho, J. A.
%A Diaz, J.
%A Domange, J.
%A Marquet, C.
%A Martinez-Roig, M.
%A Piquemal, F.
%A Veloso, J. F. C. A.
%A Yahlali, N.
%J Nuclear Instruments & Methods in Physics Research A
%D 2020
%V 982
%I Elsevier
%@ 0168-9002
%G English
%F Azevedo_etal2020
%O WOS:000581805300016
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=4578), last updated on Fri, 11 Dec 2020 10:46:35 +0000
%X In this work we present simulation results for a modular tritium in-water real-time monitor. The system allows for scalability in order to achieve the required sensitivity. The modules are composed by 340 uncladed scintillating fibers immersed in water and 2 photosensors in coincidence for light readout. Light yield and Birks' coefficient uncertainties for low energy beta particles is discussed. A study of the detection efficiency according to the fiber length is presented. Discussion on the system requirements and background mitigation for a device with sensitivity of 100 Bq/L, required to comply with the European directive 2013/51/Euratom, is presented. Due to the low energetic beta emission from tritium a detection efficiency close to 3.3% was calculated for a single 2 mm round fiber.
%K Tritium in water
%K Real-time monitor
%K Nuclear power plant
%K Environmental safety
%R 10.1016/j.nima.2020.164555
%U https://arxiv.org/abs/2002.06050
%U https://doi.org/10.1016/j.nima.2020.164555
%P 164555-7pp