Observatorio de I+D+i UPM

Memorias de investigación
Communications at congresses:
Radiation Portal Monitor with 10B+ZnS(Ag) Neutron Detector Performance for the Detection of Special Nuclear Materials
Research Areas
  • Engineering
In homeland security, neutron detection is used to prevent the smuggling of Special Nuclear Materials. Thermal neutrons are normally detected with 3He proportional counters, in the Radiation Portal Monitors, RPMs, however due to the 3He shortage new procedures are being studied. In this work Monte Carlo methods, using the MCNP6 code, have been used to study the neutron detection features of a 10B+ZnS(Ag) under real conditions inside of a RPM. The performance for neutron detection was carried out for 252Cf, 238U and 239Pu under different conditions. In order to mimic an actual situation occurring at border areas, a sample of SNM sited inside a vehicle was simulated and the RPM with 10B+ZnS(Ag) response was calculated. At 200 cm the 10B+ZnS(Ag) on RPM response is close to 2.5 cps-ng 252Cf, when the 252Cf neutron source is shielded with 0.5 cm-thick lead and 2.5 cm-thick polyethylene fulfilling the ANSI recommendations. Three different geometries of neutron detectors of 10B+ZnS(Ag) in a neutron detection system in RPM were modeled. Therefore, the 10B+ZnS(Ag) detectors are an innovative and viable replacement for the 3He detectors in the RPM.
XVI International Symposium on Solid State Dosimetry
Chiapas Mexico
Start Date
End Date
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Mesoamerican Centre for Theoretical Physics
  • Autor: Karen Arlet Guzman Garcia (UPM)
  • Autor: Hector Rene Vega Carrillo (Universidad Autonoma de Zacatecas)
  • Autor: Eduardo Florentino Gallego Diaz (UPM)
  • Autor: Juan Antonio Gonzalez Gonzalez (ETSI Caminos canales y puertos)
  • Autor: Roberto Mendez Villafañe (CIEMAT)
  • Autor: Alfredo Lorente Fillol (UPM)
  • Autor: Sviatoslav Ibañez Fernandez (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Ciencia y Tecnología de sistemas avanzados de fisión nuclear
  • Departamento: Ingeniería Energética
S2i 2019 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)