You need JavaScript to view this

Background characteristics of various etched track neutron dosemeters

Technical Report:

Abstract

The results of background characteristics and sensitivities of various types of polyallyldiglycolcarbonate (PADC) are presented and compared with each other. This study is within the framework of the collaboration programme organized by EURADOS-CENDOS. The commercially available polymeric detectors known as CR-39 and extensively used for neutron dosimetry were supplied by five different manufacturers. For each type/thickness of material, two or three sheets were sampled. Each sheet divided into six equal areas and from each, 4 background and 2 sensitivity detectors were taken and the total of 512 samples were tested. The sensitivity was determined for normally incident bare {sup 252}Cf neutrons. The samples were etched with the four-step electrochemical etching and a post chemical etch treatment. The highest sensitivity of 0.2 cm{sup -2} {mu}Sv{sup -1} with the lowest average background of about 150 {mu}Sv for a single sheet was found. The minimum detectable dose equivalent (MDDE) taken as three standard deviations of background was found to be 153 {mu}Sv. (author) 4 figs., 4 tabs., 12 refs.
Authors:
Azimi-Garakani, D; Wernli, C [1] 
  1. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
Publication Date:
Jun 01, 1992
Product Type:
Technical Report
Report Number:
PSI-122
Reference Number:
SCA: 560101; PA: AIX-24:001046; SN: 93000913024
Resource Relation:
Other Information: PBD: Jun 1992
Subject:
61 RADIATION PROTECTION AND DOSIMETRY; CALIFORNIUM 252; NEUTRON DETECTION; NEUTRON DOSIMETRY; DIELECTRIC TRACK DETECTORS; POLYCARBONATES; COMPARATIVE EVALUATIONS; ETCHING; EXPERIMENTAL DATA; SENSITIVITY; 560101; DOSIMETRY AND MONITORING
OSTI ID:
10108727
Research Organizations:
Paul Scherrer Inst. (PSI), Villigen (Switzerland)
Country of Origin:
Switzerland
Language:
English
Other Identifying Numbers:
Other: ON: DE93609232; TRN: CH9200449001046
Availability:
OSTI; NTIS; INIS
Submitting Site:
CHN
Size:
[14] p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Azimi-Garakani, D, and Wernli, C. Background characteristics of various etched track neutron dosemeters. Switzerland: N. p., 1992. Web.
Azimi-Garakani, D, & Wernli, C. Background characteristics of various etched track neutron dosemeters. Switzerland.
Azimi-Garakani, D, and Wernli, C. 1992. "Background characteristics of various etched track neutron dosemeters." Switzerland.
@misc{etde_10108727,
title = {Background characteristics of various etched track neutron dosemeters}
author = {Azimi-Garakani, D, and Wernli, C}
abstractNote = {The results of background characteristics and sensitivities of various types of polyallyldiglycolcarbonate (PADC) are presented and compared with each other. This study is within the framework of the collaboration programme organized by EURADOS-CENDOS. The commercially available polymeric detectors known as CR-39 and extensively used for neutron dosimetry were supplied by five different manufacturers. For each type/thickness of material, two or three sheets were sampled. Each sheet divided into six equal areas and from each, 4 background and 2 sensitivity detectors were taken and the total of 512 samples were tested. The sensitivity was determined for normally incident bare {sup 252}Cf neutrons. The samples were etched with the four-step electrochemical etching and a post chemical etch treatment. The highest sensitivity of 0.2 cm{sup -2} {mu}Sv{sup -1} with the lowest average background of about 150 {mu}Sv for a single sheet was found. The minimum detectable dose equivalent (MDDE) taken as three standard deviations of background was found to be 153 {mu}Sv. (author) 4 figs., 4 tabs., 12 refs.}
place = {Switzerland}
year = {1992}
month = {Jun}
}