High Intensity Gamma Ray Dosimetry
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A Dosimetric Study Of High Intensity Gamma Ray Sources
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Author : Walter Rosenzweig
language : en
Publisher:
Release Date : 1952
A Dosimetric Study Of High Intensity Gamma Ray Sources written by Walter Rosenzweig and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1952 with Dosimeters categories.
High Intensity Gamma Ray Dosimetry
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Author : D. Hale
language : en
Publisher:
Release Date : 1960
High Intensity Gamma Ray Dosimetry written by D. Hale and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Gamma rays categories.
In addition to the gamma ray highintensity dosimetry systems discussed in Nucleonics in October, 1959, several special systems have been utilized by this laboratory in studying radiation effects on materials. A few of these systems are discussed below in the belief that they offer certain advantages in cost or performance and may be of interest to other workers in the field. Since almost any material that exhibits a measureable and reproducible change in physical or chemical properties can be used as a dosimeter, the usefulness of such systems depends on a thorough knowledge of these changes. The foremost requirement, that property changes be accurately measureable, limits their usefulness to limited regions of integrated dose. The requirements for approximating the energy sensitivity, volume, and density of the test materials must also be considered when the energy spectra of the source is unknown or when self-absorption characteristics of the material sample are believed significant. In addition to using dosimetry that approximates the test materials in effective atomic number and sample self-absorption characteristics, more standard techniques such as graphite ion chambers and ferrous-ferric chemical dosimeters are used for comparison with other facility results when possible. At high dose rates or high total dose applications only a few satisfactory systems are available. The use of more than one system is of value for reliability as well as for diagnosis of dose rate and energy sensitivity effects which may influence results obtained with the test material. Integrated dose systems generally involve measurement of some chemical change in a material and are most useful in performing two functions. The first is as a monitor of the total radiation received. This is particularly valuable in sources having a rapidly changing dose rate, especially when the dosimeter system is chosen to have a spectral response similar to the test specimen. The other function is as an absolute calibration of dose or dose rate.
High Intensity Radiation Dosimetry With Semirad
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Author : Stanley Kronenberg
language : en
Publisher:
Release Date : 1966
High Intensity Radiation Dosimetry With Semirad written by Stanley Kronenberg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Gamma rays categories.
Concepts Of Radiation Dosimetry
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Author : Kenneth R. Kase
language : en
Publisher: Pergamon
Release Date : 1978
Concepts Of Radiation Dosimetry written by Kenneth R. Kase and has been published by Pergamon this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Science categories.
This monograph is developed from a set of notes which accompanied a seminar series on the Concepts of Radiation Dosimetry given by the authors at Stanford Univerisity.
Development Of A High Intensity Solid State Gamma Ray Dosimeter System
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Author : C. L. Fletcher
language : en
Publisher:
Release Date : 1966
Development Of A High Intensity Solid State Gamma Ray Dosimeter System written by C. L. Fletcher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
Design, construction, and testing of an integrating gamma-ray dosimeter for high dose rates are discussed. The sensor is a silicon surface-barrier detector operating as a current device. The detector output current is integrated on a capacitor. When the voltage on the capacitor rises to a predetermined level corresponding to 10 rad-equivalent-air of gamma-ray dose, the capacitor is discharged and the instrument produces an output pulse to signal the event. The number of output pulses indicates integrated dose, and the pulse repetition rate indicates dose rate. The detector proper is cooled with a thermoelectric cooler to minimize and stabilize leakage current. The instrument is designed for operation in the dose-rate range of 10 to 100,000 rad-equivalent-air per second. The detector is constructed to make it function as a Bragg-Gray device over the gamma-ray energy range of 80 kev to 12 Mev. The detector is reasonably isotropic; cumulative errors due to all causes are less than plus or minus 30%. The electronics are insensitive to gamma-radiation transients for dose rates as high as 1,000,000 rad per second. Results of tests with radioactive sources, a fast-burst reactor, and bremsstrahlung pulses are given. (Author).
The Dosimetry Of Ionizing Radiation
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Author : Kenneth Kase
language : en
Publisher: Elsevier
Release Date : 2012-12-02
The Dosimetry Of Ionizing Radiation written by Kenneth Kase and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
The Dosimetry of Ionizing Radiation, Volume I focuses on the development in radiation dosimetry, which has its origin in the medical application of ionizing radiation with the discovery of X-rays. This book discusses the irradiation of human beings and the biosphere by ionizing radiation from different sources, which is subjected to increased concern and interest due to its possible health effects. Comprised of six chapters, this volume starts with an overview of the factors determining the conversion of the imparted energy into a detectable signal. This text then explores the theoretical basis of microdosimetry and illustrates the numerical data, experimental techniques, and applications of essential concepts and results. Other chapters consider the application of instruments in dose measurements. This book discusses as well the application of radiotherapy for the treatment of malignant diseases. The final chapter deals with the recommended model parameters for internal dosimetry calculations in occupational radiation protection. Physicists, radiation physicists, scientists, and research institutes will find this book useful.
Measurement Of Absorbed Dose Of Neutrons And Of Mixtures Of Neutrons And Gamma Rays
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Author : National Committee on Radiation Protection and Measurements (U.S.)
language : en
Publisher:
Release Date : 1961
Measurement Of Absorbed Dose Of Neutrons And Of Mixtures Of Neutrons And Gamma Rays written by National Committee on Radiation Protection and Measurements (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Neutrons categories.
High Dose Dosimetry
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Author : International Atomic Energy Agency
language : en
Publisher:
Release Date : 1985
High Dose Dosimetry written by International Atomic Energy Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Radiation dosimetry categories.
Measurement Of High Intensity Gamma Radiation
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Author : C. R. Hatcher
language : en
Publisher:
Release Date : 1963
Measurement Of High Intensity Gamma Radiation written by C. R. Hatcher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Gamma rays categories.
Radiation Dosimetry Instrumentation And Methods
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Author : Gad Shani
language : en
Publisher: CRC Press
Release Date : 1991-07-23
Radiation Dosimetry Instrumentation And Methods written by Gad Shani and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-07-23 with Medical categories.
Radiation Dosimetry Instrumentation and Methods provides the basic theory and practical methods of radiation dosimetry. The book begins with a review of the theoretical basis of radiation dosimetry and the system of units used in the measurements. The remainder of the book presents dosimetry methods widely used in nuclear medicine, as well as new techniques and methods that are applied only in specific circumstances. The theoretical basis on which each method is based and the practical and technical details of each dosimeter's design and construction are presented. Dosimetry methods are compared and correction factors and adjustments offered in the final chapter. The methods discussed in this fascinating text include ionization chambers, thermoluminescence dosimeters (TLD), photographic emulsion, chemical dosimetry and calorimetry, lyoluminescence dosimetry, solid state detectors, tritium monitoring, and neutron dosimetry. Radiation Dosimetry Instrumentation and Methods is an excellent book for physicians in nuclear medicine, hospital radioisotope departments, radiobiologists, radiochemists, and users of nuclear radiation for scientific, technical and energy production purposes.