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Passive neutron area monitor with CR39

2022/09/27 by Héctor René Vega-Carrillo, Vega-Carrillo, Hector Rene
Physics and Astronomy · #Atomic and Subatomic Physics Research #Nuclear Physics and Applications #Radiation Detection and Scintillator Technologies

paper · doi:10.48779/4tn4-1e02

openalex publication_date 2022/09/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/01

Abstract

Background : In high-intensity, mixed and pulsed neutron fields the use of spectrometers or area monitors with acve detectors is useless; in these condions neutron measuring devices must have a passive detector. Here a passive neutron area monitor with CR39 track detector was designed and the response was calculated. Materials and Methods : The response of a passive neutron area monitor with CR39 track detector has been calculated with the MCNPX code. To increase the detecon efficiency a 10 B converter was included. The response was calculated using 47 monoenergec neutron sources. Results : A passive neutron area monitor using a CR39 with 10 B converter was designed where fluence and H*(10) responses were calculated. Conclusion : The shape of the responses is similar to responses reported for neutron monitors with acve detectors.

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