Neutron response of the chlorobenzene-ethanol-trimethylpentane dosimetry system.

Abstract:

:The dosimetric use of the chemical solution chlorobenzene-ethanol-trimethylpentane (CET) is based on the radiolytic formation of hydrochloric acid, which protonates a pH indicator thymolsulphonphthalein. On the basis of the CET solution, an accident and emergency personal dosemeter was designed allowing doses in the range 0.2-15 Gy can be measured. Radiation-chemical yields, G(HCl), for the CET system, and the responses of dosemeters in different neutron fields, ranging from 0.35 to 19.3 MeV mean energy neutrons, are summarised. The relation of G(HCl) to linear energy transfer (LET) of incident heavy charged particles is also evaluated on the basis of the previously published data. The response of the CET system to monoenergetic neutrons was calculated from the measured dependence of the G value upon LET of heavy charged particles and data about the LET distribution for monoenergetic neutrons. A very good agreement between this calculation and the experimental results was obtained. These results enable predictions of the response to be made in radiation fields with the known LET distributions.

journal_name

Radiat Prot Dosimetry

authors

Miljanić S,Razem D

doi

10.1093/rpd/ncm042

subject

Has Abstract

pub_date

2007-01-01 00:00:00

pages

198-205

issue

1-4

eissn

0144-8420

issn

1742-3406

pii

ncm042

journal_volume

126

pub_type

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