Development of a new electronic personal neutron dosemeter using a CMOS active pixel sensor

Radiat Prot Dosimetry. 2007;126(1-4):536-40. doi: 10.1093/rpd/ncm108. Epub 2007 Jun 17.

Abstract

A CMOS active pixel sensor, originally designed for the tracking of minimum ionising charged particles in high-energy physics, has been recently used for the detection of fast neutrons. Data were taken at the IRSN Cadarache facility with a (241)Am-Be ISO source and a polyethylene radiator. A high-intrinsic efficiency (1.2 x 10(-3)) has been obtained. It is in good agreement with both calculations and a MCNPX Monte Carlo simulation. This experiment paves the way for a fully electronic personal neutron dosemeter.

Publication types

  • Evaluation Study

MeSH terms

  • Electronics / instrumentation*
  • Equipment Design
  • Equipment Failure Analysis
  • Neutrons*
  • Occupational Exposure / analysis*
  • Radiation Dosage
  • Radiation Monitoring / instrumentation*
  • Radiation Monitoring / methods
  • Radiation Protection / instrumentation*
  • Radiation Protection / methods
  • Reproducibility of Results
  • Semiconductors*
  • Sensitivity and Specificity