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An International Neutron Dosimetry Intercomparison
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Author :International Commission on Radiation Units and Measurements Publisher :International Commission on Radiation ISBN 13 :9780913394465 Total Pages :54 pages Book Rating :4.3/5 (944 download)
Book Synopsis An International Neutron Dosimetry Intercomparison by : International Commission on Radiation Units and Measurements
Download or read book An International Neutron Dosimetry Intercomparison written by International Commission on Radiation Units and Measurements and published by International Commission on Radiation. This book was released on 1978 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Neutron Dosimetry Intercomparison by :
Download or read book International Neutron Dosimetry Intercomparison written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonparametric Analysis of an International Neutron Dosimetry Intercomparison by :
Download or read book Nonparametric Analysis of an International Neutron Dosimetry Intercomparison written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An International Neutron Dosimetry Intercomparison (INDI) was carried out in 1973 at the Radiological Research Accelerator Facility (RRAF) of Brookhaven National Laboratory under the sponsorship of the International Commission on Radiation Units and Measurements (ICRU). Fourteen groups of scientists, from six countries, performed measurements to determine the separate neutron and photon (x- and gamma-ray) tissue kermas in free air for four energies of monoenergetic neutrons, 15.1, 5.5, 2.1, and 0.67 MeV, and for a source of fission neutrons, 252Cf. For the two highest energies measurements were also made to determine the separate absorbed doses in tissue of neutrons and of photons at three depths in a large water phantom. Nonparametric analyses of the calculated relative responses of the tissue equivalent ionization chambers showed significant concordance. (CH).
Book Synopsis An International Neutron Dosimetry Intercomparison by : International commission on radiation units and measurements
Download or read book An International Neutron Dosimetry Intercomparison written by International commission on radiation units and measurements and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Dosimetry Intercomparison by : Laurence E. Auman
Download or read book Neutron Dosimetry Intercomparison written by Laurence E. Auman and published by . This book was released on 1991 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Dosimetry Intercomparison at the National Physical Laboratory by : V. E. Lewis
Download or read book Neutron Dosimetry Intercomparison at the National Physical Laboratory written by V. E. Lewis and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intercomparison of High Energy Neutron Personnel Dosimeters by :
Download or read book Intercomparison of High Energy Neutron Personnel Dosimeters written by and published by . This book was released on 1993 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: An intercomparison of high-energy neutron personnel dosimeters was performed to evaluate the uniformity of the response characteristics of typical neutron dosimeters presently in use at US Department of Energy (DOE) accelerator facilities. It was necessary to perform an intercomparison because there are no national or international standards for high-energy neutron dosimetry. The testing that is presently under way for the Department of Energy Laboratory Accreditation Program (DOELAP) is limited to the use of neutron sources that range in energy from about 1 keV to 2 MeV. Therefore, the high-energy neutron dosimeters presently in use at DOE accelerator facilities are not being tested effectively. This intercomparison employed neutrons produced by the 9Be(p, n)9B interaction at the University of Washington cyclotron, using 50-MeV protons. The resulting neutron energy spectrum extended to a maximum of approximately 50-MeV, with a mean energy of about 20-MeV. Intercomparison results for currently used dosimeters, including Nuclear Type A (NTA) film, thermoluminescent dosimeter (TLD)-albedo, and track-etch dosimeters (TEDs), indicated a wide variation in response to identical doses of high-energy neutrons. Results of this study will be discussed along with a description of plans for future work.
Book Synopsis Results of ORNL Measurements Made During the International Neutron Dosimetry Intercomparison, March 19--30, 1973 by :
Download or read book Results of ORNL Measurements Made During the International Neutron Dosimetry Intercomparison, March 19--30, 1973 written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Radiation Research and Development Section of the Health Physics Division at ORNL participated in the International Dosimetry Intercomparison (INDI) on March 19 through 30, 1973, at the Brookhaven National Laboratory. The intercomparison measurements were made at the Radiological Research Accelerator Facility (RARAF) which is operated by Columbia University. Several laboratories participated; however, only the results of the ORNL group are presented. At the RARAF a 4-MeV Van de Graaff accelerator was used to produce neutrons of several different energies, and a nominal 2-mg californium-252 source was used. The measurements included both neutron and gamma-ray kerma in air for each of the sources and absorbed dose ln a water-filled phantom for 15.4- and 5.55-MeV neutrons. Gamma-ray kerma and absorbed dose rate measurements were made using a Phil'' Geiger counter, and neutron kerma and absorbed dose rates were measured with an in-phantom Hurst proportional counter. Intercomparison data are given and discussed. (WHK).
Book Synopsis Neutron dosimetry intercomparison at NAC by : D. T. L. Jones
Download or read book Neutron dosimetry intercomparison at NAC written by D. T. L. Jones and published by . This book was released on 1988 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A European Neutron Dosimetry Intercomparison Project (ENDIP): Results and Evaluation by : J. J. Broerse
Download or read book A European Neutron Dosimetry Intercomparison Project (ENDIP): Results and Evaluation written by J. J. Broerse and published by . This book was released on 1978 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Protection by : Commission of the European Communities
Download or read book Radiation Protection written by Commission of the European Communities and published by . This book was released on 1978 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Dosimetry by : International Atomic Energy Agency
Download or read book Neutron Dosimetry written by International Atomic Energy Agency and published by . This book was released on 1963 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Twelve Years of Neutron Personnel Dosimetry Intercomparison Studies at Oak Ridge National Laboratory by :
Download or read book Twelve Years of Neutron Personnel Dosimetry Intercomparison Studies at Oak Ridge National Laboratory written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: To provide an opportunity for dosimetrists to test and calibrate their personnel neutron monitoring systems in a variety of incident radiation fields, the staff of the Dosimetry Applications Research (DOSAR) Facility at the Oak Ridge National Laboratory (ORNL) has conducted personnel dosimetry intercomparison studies (PDIS) periodically since 1974 and annually since 1976 (Si82, Sw87). During these studies, personnel dosimeters are mailed to ORNL, mounted on phantoms and exposed to low-level (less than 15 mSv) dose equivalents in mixed-radiation fields mainly produced using the Health Physics Research Reactor (HPRR) at ORNL (Au65), and then returned to the participants for evaluation. Reported dose equivalents are compared to reference values provided by the DOSAR staff and to results reported by individual organizations which made measurements under identical conditions. These intercomparisons, which require no fee and are open to any organization interested in external personnel dosimetry, have provided more data concerning neutron dosimeter performance characteristics in mixed-radiation fields than any other periodic open test program conducted to date. The following text presents a summary and analysis of neutron dose equivalent measurements reported for the seventh through twelfth intercomparisons (1981-1986) using the HPRR as the source of radiation. Particular factors examined include low dose equivalent sensitivity and measurement accuracy for the basic types of neutron personnel dosimeters. 5 refs., 1 fig.
Book Synopsis A European Neutron Dosimetry Intercomparison Project (ENDIP). Results and Evaluation by :
Download or read book A European Neutron Dosimetry Intercomparison Project (ENDIP). Results and Evaluation written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Dosimetry Intercomparison Between Clatterbridge and N A C(Pretoria) by : Jacobus Hendrik Hough
Download or read book Neutron Dosimetry Intercomparison Between Clatterbridge and N A C(Pretoria) written by Jacobus Hendrik Hough and published by . This book was released on 1986 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Neutron Dosimetry Intercomparison Study with Tissue Equivalent Ionization Chambers by : S. Vynckier
Download or read book A Neutron Dosimetry Intercomparison Study with Tissue Equivalent Ionization Chambers written by S. Vynckier and published by . This book was released on 1988* with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Personnel Dosimetry Intecomparison Studies by :
Download or read book Neutron Personnel Dosimetry Intecomparison Studies written by and published by . This book was released on 1991 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Dosimetry Applications Research (DOSAR) Group at the Oak Ridge National Laboratory (ORNL) has conducted sixteen Neutron Personnel Dosimetry Intercomparison Studies (PDIS) since 1974. During these studies dosimeters are mailed to DOSAR, exposed to low-level (typically in the 0.3 -- 5.0 mSv range) neutron dose equivalents in a variety of mixed neutron-gamma radiation fields, and then returned to the participants for evaluation. The Health Physics Research Reactor (HPRR) was used as the primary radiation source in PDIS 1--12 and radioisotopic neutron sources at DOSAR's Radiation Calibration Laboratory (RADCAL) were mainly used, along with sources and accelerators at cooperating institutions, in PDIS 13--16. Conclusions based on 13,560 measurements made by 146 different participating organizations (102 - US) are presented.
