Passive neutron area monitor with TLD pairs

Guzmán-García, Karen Arlete and Borja-Hernández, Candy Gretel and Valero-Luna, Claudia and Hernández-Dávila, Víctor Manuel and Vega-Carrillo, Héctor René (2012). Passive neutron area monitor with TLD pairs. "Revista Mexicana de Física", v. 58 (n. 3); pp. 220-223. ISSN 0035-001X.


Title: Passive neutron area monitor with TLD pairs
  • Guzmán-García, Karen Arlete
  • Borja-Hernández, Candy Gretel
  • Valero-Luna, Claudia
  • Hernández-Dávila, Víctor Manuel
  • Vega-Carrillo, Héctor René
Item Type: Article
Título de Revista/Publicación: Revista Mexicana de Física
Date: June 2012
ISSN: 0035-001X
Volume: 58
Freetext Keywords: Neutron; ambient dose equivalent; area monitor
Faculty: E.T.S.I. Industriales (UPM)
Department: Aeronaves y Vehículos Espaciales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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The response of a passive neutron area monitor with pairs of thermoluminescent dosimeters has been calculated using the Monte Carlo code MCNP5. The response was calculated for one TLD 600 located at the center of a polyethylene moderator. The response was calculated for 47 monoenergetic neutron sources ranging from 1E(-9) to 20 MeV. Response was calculated using two irradiation geometries, one with an upper source and another with a lateral source. For both irradiation schemes the response was calculated with the TLD in two positions, one parallel to the source and another perpendicular to the source. The advantage of this passive neutron monitor area is that can be used in locations with intense, pulsed and mixed radiation fields like those in radiotherapy vault rooms with linear accelerators. La respuesta de un monitor de área pasivo para neutrones con pares de dosímetros termoluminiscentes TLDs ha sido calculada mediante métodos Montecarlo con el código MCNP5. La respuesta fue calculada para un TLD 600 localizado en el centro del moderador cilíndrico de polietileno. La respuesta se calculó para 47 fuentes mono energéticas de neutrones con energías de 1E (-9) a 20 MeV. La respuesta se calculó para dos geometrías de irradiación, una con una fuente superior y la otra con una fuente lateral, para ambas geometrías la respuesta se obtuvo con el TLD en dos posiciones respecto a la fuente, una perpendicular y la otra paralela. La ventaja del monitor pasivo es que puede ser usado en instalaciones con campos de radiación intensos, pulsados y mixtos como los que se producen en los bunkers de radioterapia con aceleradores lineales.

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Item ID: 45447
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Deposited by: Memoria Investigacion
Deposited on: 11 Apr 2017 07:43
Last Modified: 20 Apr 2017 15:19
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