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Author (up) Sidelnik, I.; Asorey, H.; Guarin, N.; Durán, M.S.; Bessia, F.A.; Arnaldi, L.H.; Berisso, M.G.; Lipovetzky, J.; Pérez, M.; Haro, M.S.; Blostein, J.J. url  doi
  Title Neutron detection capabilities of Water Cherenkov Detectors Type Journal Article
  Year 2020 Publication Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Abbreviated Journal  
  Volume 952 Issue Pages 161962  
  Keywords Neutron detection; Water Cherenkov Detector; Cherenkov effect; Space weather; Homeland security  
  Abstract In this work we show the neutron detection capabilities of a water Cherenkov detector (WCD). The experiments presented here were performed using a simple WCD with a single photomultiplier tube (PMT) and a 252Cf neutron source. We compared the use of pure water and water with non contaminant additive as the detection volume. We show that fast neutrons from the 252Cf source can be detected over the flux of atmospheric particles background. Our first estimation for the neutron detection efficiency is at the level of (19)% for pure water and (44)% for the water with the additive. We also present the simulation of the response of the WCD to neutrons using a simulated 252Cf source. We implemented a detailed model of the WCD and of the neutron source spectra using Geant 4. The results of our simulations show the detailed mechanism for the detection of neutrons using WCD and support the experimental evidences presented. Since both active volumes studied, H2O pure and with additive, are cheap, non-toxic and easily accessible materials, the results obtained are of interest for the development of large neutron detectors for different applications. Of special importance are those related with space weather phenomena as well as those for the detection of special nuclear materials. We conclude that WCD used as neutron detectors can be a complementary tool for standard neutron monitors based on 3He.  
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  ISSN 0168-9002 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number BT @ pedrazp @ Serial 837  
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