A Proton Recoil Neutron Spectrometer Utilizing a Semiconductor Radiation Detector PDF Download
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Author: S. S. FRIEDLAND
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Author: S. S. FRIEDLAND
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Author: E. L. Zimmerman
Publisher:
ISBN:
Category : Fast neutrons
Languages : en
Pages : 66
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Book Description
Several methods of utilizing a semiconductor radiation detector for neutron observations have been investigated. Techniques for the application of neutron-sensitive materials to detector surfaces have been developed and the resulting coated detectors have been evaluated as both thermal and threshold detectors. A "good geometry" proton-recoil spectrometer utilizing a semiconductor detector has been built and used to observe fast neutrons. An analytical study of this device resulted in a method which can accurately predict its response as a function of incident neutron energy., hydrogenous radiator thickness, and systm geometry. Good qualitative agreement was observed between the predicted and experimental response
Author: Henry S. Katzenstein
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
High energy protons are found in primary cosmic radiation, in the Van Allen Belt and in solar flares. A study of the best methods of observing these phenomena using semiconductor nuclear particle detector technique developed in part in the previously reported phases of this program resulted in three basic designs for proton spectrometers for for space radiation measurements. These are comprised of (1) the single detector with pulse height analysis, (2) a wide angle proton spectrometer, and (3) a high angular resolution proton spectrometer. Of these three designs, the third was selected as being capable of providing the best quality of information within the existing state of the art. A design for a ten channel spectrometer covering the energy range from 24 to 210 Mev in approximately equal logarithmic steps was completed, and on the basis of this design, fabrication was undertaken on an actual prototype spectrometer. Two flight spectrometers were fabricated and environmentally tested. Limited nuclear testing with protons up to 40 Mev verified the energy calibration of the first two channels and verified the calculated angle of acceptance. While size and weight considerably exceeded original estimates, a high degree of reliability and reproducibility was achieved. (Author).
Author: MB. Stanka
Publisher:
ISBN:
Category : Fission neutron
Languages : en
Pages : 10
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Book Description
Neutron kerma and spectrum measurements have been made at the U.S. Army Pulse Radiation Facility (APRF) to 400m in an air-over-ground geometry from a fission neutron source and have been compared to Monte Carlo transport calculations. The neutron spectra measurements were made using a rotating neutron spectrometer. This spectrometer consists of four spherical proton-recoil detectors mounted on a common rotating base. Detector radius, gas composition, and pressure have been varied to allow sensitivity over a neutron range of 50 keV to 4.5 MeV. Neutron kerma was determined by using the Kerr soft-tissue kerma factors. Measured neutron kerma agreed with the calculated neutron kerma to within 5%. Comparisons with other neutron spectrometers such as NE213 and Bonner Spheres are presented and agreement between the different spectrometers is better than 20%.
Author: Douglas McGregor
Publisher: CRC Press
ISBN: 1000038580
Category : Political Science
Languages : en
Pages : 1286
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Book Description
Radiation Detection: Concepts, Methods, and Devices provides a modern overview of radiation detection devices and radiation measurement methods. The book topics have been selected on the basis of the authors’ many years of experience designing radiation detectors and teaching radiation detection and measurement in a classroom environment. This book is designed to give the reader more than a glimpse at radiation detection devices and a few packaged equations. Rather it seeks to provide an understanding that allows the reader to choose the appropriate detection technology for a particular application, to design detectors, and to competently perform radiation measurements. The authors describe assumptions used to derive frequently encountered equations used in radiation detection and measurement, thereby providing insight when and when not to apply the many approaches used in different aspects of radiation detection. Detailed in many of the chapters are specific aspects of radiation detectors, including comprehensive reviews of the historical development and current state of each topic. Such a review necessarily entails citations to many of the important discoveries, providing a resource to find quickly additional and more detailed information. This book generally has five main themes: Physics and Electrostatics needed to Design Radiation Detectors Properties and Design of Common Radiation Detectors Description and Modeling of the Different Types of Radiation Detectors Radiation Measurements and Subsequent Analysis Introductory Electronics Used for Radiation Detectors Topics covered include atomic and nuclear physics, radiation interactions, sources of radiation, and background radiation. Detector operation is addressed with chapters on radiation counting statistics, radiation source and detector effects, electrostatics for signal generation, solid-state and semiconductor physics, background radiations, and radiation counting and spectroscopy. Detectors for gamma-rays, charged-particles, and neutrons are detailed in chapters on gas-filled, scintillator, semiconductor, thermoluminescence and optically stimulated luminescence, photographic film, and a variety of other detection devices.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 172
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Author: J. J. Baum
Publisher:
ISBN:
Category : Diodes
Languages : en
Pages : 44
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1124
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 41
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