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Author : Gongyin Chen
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (439 download)
Download or read book Study of High-energy Gamma-ray Imaging Detectors for Fast Neutron Analysis written by Gongyin Chen and published by . This book was released on 1999 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Janice L. Bishop
Publisher : Cambridge University Press
ISBN 13 : 110718620X
Total Pages : 655 pages
Book Rating : 4.1/5 (71 download)
Download or read book Remote Compositional Analysis written by Janice L. Bishop and published by Cambridge University Press. This book was released on 2019-11-28 with total page 655 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive overview of the spectroscopic, mineralogical, and geochemical techniques used in planetary remote sensing.
Author : E.M. Hussein
Publisher : Springer Science & Business Media
ISBN 13 : 1402012950
Total Pages : 516 pages
Book Rating : 4.4/5 (2 download)
Download or read book Handbook on Radiation Probing, Gauging, Imaging and Analysis written by E.M. Hussein and published by Springer Science & Business Media. This book was released on 2003-05-31 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a comprehensive four-part handbook that covers all aspects of non-destructive evaluation with charged-particles, photons and neutrons. The basics of radiation are covered in Part I, which includes: sources, modifying (interaction) physics, detection and safety. Part II discusses the techniques of transmission, scattering, emission and absorption. Part III presents the application of these techniques for probing, gauging, elemental-analysis and imaging. Examples of applications in a wide variety of industrial fields are also given. These are classified by application area in a special index. Part IV addresses design aspects, such as choosing the proper radiation source, detector and technique; addressing experimental and calculation problems; and dealing with licensing and intellectual property issues. This book provides students, engineers, industrial physicists, and experts in the field with an inclusive source of streamlined information. Researchers and instrument developers will find an extensive list of references and helpful suggestions for tackling problems and challenges.
Author : Ibrahim Oksuz
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Exploring Fast Neutron Computed Tomography for Non-destructive Evaluation of Additive Manufactured Parts written by Ibrahim Oksuz and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron imaging is one of the most powerful non-invasive investigation modalities that finds many applications in various fields such as nuclear industry, homeland security, battery research, and archeology. It provides information about the internal structures of an object as neutrons are absorbed and transmitted at different levels in the object in question. It is complementary to X-ray imaging due to the different interaction mechanisms of X-ray and neutrons with materials. Neutron imaging applications can employ neutrons with different energies. Fast (MeV) neutrons have some advantages such as causing less radioactive transmutation in samples and providing deeper penetration which allows for exploring thicker and denser samples. It also provides good contrast images of objects made of a mix of hydrogenous and metallic elements. With the advent of the CCD technology, new opportunities have become available to perform neutron radiography, which provides 2D images of objects, and tomography, which yields information about objects in 3D, more efficiently. Digital neutron radiography allows the collection and storage the information in a digital environment, which enables a better and quicker data analysis. However, performing neutron imaging requires a well-characterized neutron source and a proper neutron imager, especially if fast neutrons are utilized as their interaction cross sections with materials are relatively smaller. This work explores the advancement of the fast neutron radiograph and tomography. The work includes studies comprising characterizing neutron detectors for fast imaging application, characterizing a fast neutron beam facility, performing fast neutron tomography using various imaging phantoms, and investigating spatial resolution in a fast neutron imaging system. In one study, Polyvinyl Toluene (PVT) (C9H10) based plastic scintillators with different dimensions and flours were investigated in terms of their relative light outputs and spatial resolutions. Due to high hydrogen concentration, PVT scintillators would be a suitable candidate since fast neutrons deposit higher energy as they interact mainly via elastic scattering reactions. This study resulted that thicker scintillators yield higher light output due to a higher amount of scintillation materials whereas they performed worse in spatial resolution because of more neutrons and light scattering. Another study was related to characterizing the Ohio State University Research Reactor (OSURR)’ recently built fast neutron beam facility. Models of the beamline and beam stop were created, and Monte-Carlo simulations were performed to determine the neutron energy spectrum, neutron, and gamma-ray flux, and dose rate distributions. Various thermal neutron filters were investigated, and Cadmium ratios that they provide were experimentally determined. Gamma-ray content in the beam was obtained using Optically Stimulated Luminescence (OSL) dosimeters. Another study investigates fast neutron computed tomography (nCT) using custom-made multi-material complex objects. Total nCT data collection time was as low as 2 hours for some objects. Various materials were resolved in 3D reconstructed images of the objects. Low-Z materials comprising the objects were revealed while being shielded behind high-Z materials. The last study in this work is about the investigation of the possible effects on the system's spatial resolution in a fast neutron imaging system. Results showed that the thicker imaging objects deteriorate the spatial resolution due to the neutron scattering. Simulations provided that the neutron interaction kinematics in PVTs would also degrade the spatial resolution.
Author : Society of Photo-optical Instrumentation Engineers
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.3/5 (91 download)
Download or read book Neutrons, X Rays, and Gamma Rays written by Society of Photo-optical Instrumentation Engineers and published by SPIE-International Society for Optical Engineering. This book was released on 1993 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Duncan Hall
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.0/5 ( download)
Download or read book Neutron-gamma Ray Spectrometer written by James Duncan Hall and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: A neutron-gamma ray spectrometer developed at Texas Nuclear Corporation is described. The spectrometer employs pulse shape discrimination in an organic scintillator detector to selectively detect neutrons or gamma rays in a mixed field by a method not utilizing space charge limiting. Selective detection may be obtained for neutrons of energy higher than 0.7 MeV and for gamma rays above 0.25 MeV. Spectral information is usable to 15 MeV for neutrons and to 4 MeV for gamma rays. Detection efficiencies range from about 6% to 30%. Typical spectra, data analysis procedure, and operating characteristics of the spectrometer are presented.
Author : G. Molnar
Publisher : Springer Science & Business Media
ISBN 13 : 0387233598
Total Pages : 448 pages
Book Rating : 4.3/5 (872 download)
Download or read book Handbook of Prompt Gamma Activation Analysis written by G. Molnar and published by Springer Science & Business Media. This book was released on 2010-02-23 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prompt gamma activation analysis (PGAA) is a unique, non-destructive nuclear analytical method with multi-element capabilities. It is most effective if intense neutron beams (especially cold beams) of nuclear reactors are used to induce the prompt gamma radiation. Based largely on the authors' pioneering research in cold neutron PGAA, the handbook describes the methodology in self-contained manner and reviews recent applications. The library of prompt gamma ray data and spectra for all natural elements is a unique aid to the practitioner. The level is understandable by a broad audience, which facilitates teaching and training. The Handbook of Prompt Gamma Activation Analysis is a comprehensive handbook written for those practising the method, wanting to implement it at a reactor facility, or just looking for a powerful non-destructive method of element analysis. The book is also useful for nuclear physics, chemistry and engineering scientists, scholars and graduate students interested in neutron-induced gamma ray spectroscopy and nuclear analytical methods.
Author : International Atomic Energy Agency
Publisher : IAEA Radiation Technology Repo
ISBN 13 : 9789201251107
Total Pages : 145 pages
Book Rating : 4.2/5 (511 download)
Download or read book Neutron Generators for Analytical Purposes written by International Atomic Energy Agency and published by IAEA Radiation Technology Repo. This book was released on 2012 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication addresses recent developments in neutron generator (NG) technology. It presents information on compact instruments with high neutron yield to be used for neutron activation analysis (NAA) and prompt gamma neutron activation analysis in combination with high count rate spectrometers. Traditional NGs have been shown to be effective for applications including borehole logging, homeland security, nuclear medicine and the on-line analysis of aluminium, coal and cement. Pulsed fast thermal neutron analysis, as well as tagged and timed neutron analysis, are additional techniques which can be applied using NG. Furthermore, NG can effectively be used for elemental analysis and is also effective for analysis of hidden materials by neutron radiography. Useful guidelines for developing NG based research laboratories are also provided in this publication.
Author : S. S. Kapoor
Publisher : New Age International
ISBN 13 : 9780852264966
Total Pages : 252 pages
Book Rating : 4.2/5 (649 download)
Download or read book Nuclear Radiation Detectors written by S. S. Kapoor and published by New Age International. This book was released on 1986-04 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (256 download)
Download or read book V ysehorovicko, Cernokostelecko a okoli Uhlirskych Janovic written by and published by . This book was released on 1962 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rajendra Nath Patra
Publisher : Springer Nature
ISBN 13 : 3031192680
Total Pages : 124 pages
Book Rating : 4.0/5 (311 download)
Download or read book Advanced Radiation Detector and Instrumentation in Nuclear and Particle Physics written by Rajendra Nath Patra and published by Springer Nature. This book was released on 2023-03-12 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The RAPID2021 workshop focused on a specific and contemporary research topic: detector technology and electronics for nuclear and particle physics experiments as well as applications. In the RAPID2021, we had invited lectures, overview talks and contributed presentations by the scientists and young researchers from all around the world. In this workshop the papers presented are on the new developments at different experiments (ALICE, CMS, ATLAS) at CERN, new micro-pattern gas detectors development by RD51 collaboration at CERN, development of silicon pixel sensors at CERN, detectors for FAIR facilities in Germany, low energy experiments at different facilities, new detector ideas for nuclear and particle physics experiments, developments in electronics to overcome the challenges for the future LHC experiments, and application of the detectors on medical imaging. The proceedings of the workshop are quite helpful to document the new results, technologies, and developments by different groups and well known international laboratories like CERN, GSI, and Brookhaven National Laboratory. The publication of the scientists and young researchers will definitely be the new references for future studies on the same direction.
Author : Joel Christian Rynes
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.:/5 (34 download)
Download or read book Gamma-ray and Neutron Radiography for a Pulsed Fast Neutron Analysis Cargo Inspection System written by Joel Christian Rynes and published by . This book was released on 1999 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Herman Feshbach
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (319 download)
Download or read book Fast Neutron Data written by Herman Feshbach and published by . This book was released on 1950 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (873 download)
Download or read book Neutron Counting and Gamma Spectroscopy with PVT Detectors written by and published by . This book was released on 2011 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiation portals normally incorporate a dedicated neutron counter and a gamma-ray detector with at least some spectroscopic capability. This paper describes the design and presents characterization data for a detection system called PVT-NG, which uses large polyvinyl toluene (PVT) detectors to monitor both types of radiation. The detector material is surrounded by polyvinyl chloride (PVC), which emits high-energy gamma rays following neutron capture reactions. Assessments based on high-energy gamma rays are well suited for the detection of neutron sources, particularly in border security applications, because few isotopes in the normal stream of commerce have significant gamma ray yields above 3 MeV. Therefore, an increased count rate for high-energy gamma rays is a strong indicator for the presence of a neutron source. The sensitivity of the PVT-NG sensor to bare 252Cf is 1.9 counts per second per nanogram (cps/ng) and the sensitivity for 252Cf surrounded by 2.5 cm of polyethylene is 2.3 cps/ng. The PVT-NG sensor is a proof-of-principal sensor that was not fully optimized. The neutron detector sensitivity could be improved, for instance, by using additional moderator. The PVT-NG detectors and associated electronics are designed to provide improved resolution, gain stability, and performance at high-count rates relative to PVT detectors in typical radiation portals. As well as addressing the needs for neutron detection, these characteristics are also desirable for analysis of the gamma-ray spectra. Accurate isotope identification results were obtained despite the common impression that the absence of photopeaks makes data collected by PVT detectors unsuitable for spectroscopic analysis. The PVT detectors in the PVT-NG unit are used for both gamma-ray and neutron detection, so the sensitive volume exceeds the volume of the detection elements in portals that use dedicated components to detect each type of radiation.
Author :
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.:/5 (11 download)
Download or read book Hard X-ray, Gamma-ray, and Neutron Detector Physics written by and published by . This book was released on 1999 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Claus Grupen
Publisher : Springer Science & Business Media
ISBN 13 : 3642132715
Total Pages : 1251 pages
Book Rating : 4.6/5 (421 download)
Download or read book Handbook of Particle Detection and Imaging written by Claus Grupen and published by Springer Science & Business Media. This book was released on 2012-01-08 with total page 1251 pages. Available in PDF, EPUB and Kindle. Book excerpt: The handbook centers on detection techniques in the field of particle physics, medical imaging and related subjects. It is structured into three parts. The first one is dealing with basic ideas of particle detectors, followed by applications of these devices in high energy physics and other fields. In the last part the large field of medical imaging using similar detection techniques is described. The different chapters of the book are written by world experts in their field. Clear instructions on the detection techniques and principles in terms of relevant operation parameters for scientists and graduate students are given.Detailed tables and diagrams will make this a very useful handbook for the application of these techniques in many different fields like physics, medicine, biology and other areas of natural science.
Author : R. E. Chrien
Publisher : Springer Science & Business Media
ISBN 13 : 146132940X
Total Pages : 875 pages
Book Rating : 4.4/5 (613 download)
Download or read book Neutron Capture Gamma-Ray Spectroscopy written by R. E. Chrien and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 875 pages. Available in PDF, EPUB and Kindle. Book excerpt: The post World War II era witnessed a tremendous growth in the research carried out in neutron-induced reactions and especially in neutron capture y-ray studies. This growth was stimulated by the availability of neutron sources, such as reactors and accelerators, and by the development of high resolution y-ray and conversion electron detectors. Today the combination of high flux reactors and precise instrumentation has produced spectral data of exceptional quality, as the pages of these proceedings illustrate. The world-wide community of the practioners of the art of cap ture y-ray spectroscopy has met three times in the last decade: the first international symposium on this subject was held at Studsvik, Sweden in 1969, and the second at Petten, The Netherlands in 1974. A smaller meeting, of mostly u. S. and some European parti cipation, was held at Argonne National Laboratory in 1966. A perusal of the proceedings of these meetings shows the striking ad vances in this now mature field of physics over the last dozen years. Each meeting has seen a small but perceptible increase in the number of papers presented and the number of laboratories repre sented. More importantly, each meeting has documented the increasing impact of (n,y) reasearch, not only on other areas of basic physics, but also on commercial and medical applications of this technology. A total of 29 invited papers and 97 contributed papers were presented at this symposium.
