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Author : Muhammad Ali
Publisher :
ISBN 13 : 9780494875032
Total Pages : pages
Book Rating : 4.8/5 (75 download)
Download or read book Development and Characterization of a High Resolution Portable Gamma Spectrometer written by Muhammad Ali and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bamdad Bastani
Publisher :
ISBN 13 :
Total Pages : 382 pages
Book Rating : 4.:/5 (79 download)
Download or read book Development and Characterization of a Solid State Detector Array for a Large Scale Gamma-ray Imaging System written by Bamdad Bastani and published by . This book was released on 1980 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (982 download)
Download or read book Delayed Gamma-ray Spectroscopy for Safeguards Applications written by and published by . This book was released on 2017 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The delayed gamma-ray assay technique utilizes an external neutron source (D-D, D-T, or electron accelerator-driven), and high-resolution gamma-ray spectrometers to perform characterization of SNM materials behind shielding and in complex configurations such as a nuclear fuel assembly. High-energy delayed gamma-rays (2.5 MeV and above) observed following the active interrogation, provide a signature for identification of specific fissionable isotopes in a mixed sample, and determine their relative content. Potential safeguards applications of this method are: 1) characterization of fresh and spent nuclear fuel assemblies in wet or dry storage; 2) analysis of uranium enrichment in shielded or non-characterized containers or in the presence of a strong radioactive background and plutonium contamination; 3) characterization of bulk and waste and product streams at SNM processing plants. Extended applications can include warhead confirmation and warhead dismantlement confirmation in the arms control area, as well as SNM diagnostics for the emergency response needs. In FY16 and prior years, the project has demonstrated the delayed gamma-ray measurement technique as a robust SNM assay concept. A series of empirical and modeling studies were conducted to characterize its response sensitivity, develop analysis methodologies, and analyze applications. Extensive experimental tests involving weapons-grade Pu, HEU and depleted uranium samples were completed at the Idaho Accelerator Center and LLNL Dome facilities for various interrogation time regimes and effects of the neutron source parameters. A dedicated delayed gamma-ray response modeling technique was developed and its elements were benchmarked in representative experimental studies, including highresolution gamma-ray measurements of spent fuel at the CLAB facility in Sweden. The objective of the R & D effort in FY17 is to experimentally demonstrate the feasibility of the delayed gamma-ray interrogation of shielded SNM samples with portable neutron sources suitable for field applications.
Author : Dan Gabriel Cacuci
Publisher : Springer Science & Business Media
ISBN 13 : 0387981306
Total Pages : 3701 pages
Book Rating : 4.3/5 (879 download)
Download or read book Handbook of Nuclear Engineering written by Dan Gabriel Cacuci and published by Springer Science & Business Media. This book was released on 2010-09-14 with total page 3701 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an authoritative compilation of information regarding methods and data used in all phases of nuclear engineering. Addressing nuclear engineers and scientists at all levels, this book provides a condensed reference on nuclear engineering since 1958.
Download or read book Advanced Materials and Processes for High Energy Resolution Room Temperature Gamma Ray Spectrometers written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A significant amount of progress has been achieved in the development of the novel vacuum distillation method described in the proposal. The process for the purification of Te was fully developed and characterized in a series of trials. The purification effect was confirmed with GDMS sample analysis and indicates the process yields very high purity Te metal. Results of this initial process study have been submitted for publication in the Proceedings of the SPIE and will be presented on August 28, 2007 at the SPIE Optics and Photonics 2007 conference in San Diego, CA. Concurrent to the development of the Te process, processes for the purification of Cd, Zn, and Mn have also progressed. The development of the processes for Cd and Zn are nearly complete, while the development of the process for Mn is still in its infancy. It is expected that a full characterization of the Cd process will be completed within the next quarter, followed by Zn. Parallel to those characterization studies, efforts will be made to further develop the Mn purification process. Zone melting work for Te and Cd has also been efforted as per the project work schedule. Initial trials have been completed and the processes developed. Characterization of the results will be completed within the first fiscal year. Finally, an apparatus for the zone refinement of Cd, Zn, and Mn has been constructed and initial trials are set to begin shortly.
Author :
Publisher :
ISBN 13 :
Total Pages : 876 pages
Book Rating : 4.F/5 ( download)
Download or read book NBS Special Publication written by and published by . This book was released on 1968 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Levan Tkavadze
Publisher :
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.:/5 (232 download)
Download or read book Developing a New Default Characterization Method for in Situ Gamma Ray Spectrometry written by Levan Tkavadze and published by . This book was released on 2004 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: In situ gamma ray spectroscopy is a term adopted for the measurements performed in the vicinity of a source. These measurements include field gamma ray spectroscopy mostly performed 1 m above the ground. Germanium detectors are the primary tool for the field measurements. For accurate results to be obtained, the detectors have to be characterized. The main purposes of this study are to develop a new default methodology of estimating characterization parameters, to expand these values, and to compare them to the existing tables. These tables were originally developed in the Environmental Measurement Laboratory (EML) of the U.S. DOE, using the EML empirical characterization method. Response functions can be evaluated from these tables by knowing only the relative efficiency and crystal dimensions of a HPGe. Accuracy of the results obtained by this method is estimated to be between 85 and 90 percent. Such default methodologies are preferred in instances when empirical characterization has not or cannot be performed due to technical or financial limitations. The empirical characterization method used in our study was the rotating arc method developed by R. Reiman. The study was completed in the Environmental Monitoring Laboratory at Idaho State University. A variety of detectors has been characterized, and a simple default methodology for estimating characterization parameters has been developed. The estimates have been compared against the empirical characterization results and the results published by EML. Nine HPGe detectors have been characterized in this study. Based on the results, one may estimate the response functions for detectors with relative efficiencies between 23 and 78 percent and crystal length-diameter ratios between 0.90 and 1.36.
Author : Jonathan Dreyer
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.:/5 (839 download)
Download or read book Development of Superconducting High-Resolution Gamma-Ray Spectrometers for Nuclear Safeguards written by Jonathan Dreyer and published by . This book was released on 2012 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconducting high-resolution gamma-ray spectrometers based on molybdenum/ copper transition edge sensors (TES) with tin absorbers have been developed for nuclear safeguard applications. This dissertation focuses on plutonium analysis, specifically the direct measurement of the 242Pu gamma-ray signature at 44.915keV. As existing nondestructive analysis methods cannot directly measure this or any other 242Pu signature, the feasibility of making such a measurement using a TES based system is presented. Analysis from of Monte Carlo simulations and analytical noise models shows that the direct detection of this gamma-ray line of is possible and can be quantified in the presence of a 240Pu gamma-ray line with a line separation of 324eV, even if the emission from the 240Pu is several orders of magnitude stronger. Spectroscopic measurements conducted in a liquid cryogen system offered an energy resolution of 180eV, adequate for the measurement of 242Pu; however, TES operation in a liquid-cryogen-free pulse tube refrigerator degraded sensor performance such that this measurement was no longer possible. The numerical noise model indicates that the energy resolution of this device is adequate to demonstrate a direct measurement of 242Pu if the noise pickup from the mechanical cooler can be suppressed. This work shows that the precise measurement of low-intensity gamma-ray signatures, such as the 44.915keV gamma ray from 242Pu, will require arrays of low-noise TES sensors and that such a system would offer invaluable information in the analysis of plutonium bearing materials.
Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (683 download)
Download or read book A Transportable High-resolution Gamma-ray Spectrometer and Analysis System Applicable to Mobile, Autonomous Or Unattended Applications written by and published by . This book was released on 1995 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Safeguards Technology Program at the Lawrence Livermore National Laboratory is developing systems based on a compact electro-mechanically cooled high-purity germanium (HPGe) detector. This detector system broadens the practicality of performing high- resolution gamma-ray spectrometry in the field. Utilizing portable computers, multi-channel analyzers and software these systems greatly improve the ease of performing mobile high-resolution gamma-ray spectrometry. Using industrial computers, we can construct systems that will run autonomously for extended periods of time without operator input or maintenance. These systems can start or make decisions based on sensor inputs rather than operator interactions. Such systems can provide greater capability for wider domain of safeguards, treaty verification application, and other unattended, autonomous or in-situ applications.
Author : Peter Henning
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (492 download)
Download or read book Development of High Resolution Gamma Ray Spectroscopy for Use with the University of Colorado Cyclotron written by Peter Henning and published by . This book was released on 1965 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William A. Bookless
Publisher : DIANE Publishing
ISBN 13 : 9780788126147
Total Pages : 114 pages
Book Rating : 4.1/5 (261 download)
Download or read book State of the Laboratory written by William A. Bookless and published by DIANE Publishing. This book was released on 1995-11 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highlights the Laboratory's 1994 accomplishments in their mission areas and core programs -- economic competitiveness, national security, lasers, energy, the environment, biology and biotechnology, engineering, physics and space science, chemistry and materials science, computations, and science and math education.
Author :
Publisher :
ISBN 13 :
Total Pages : 680 pages
Book Rating : 4.E/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John A. Howell
Publisher : Geological Society of America
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (318 download)
Download or read book High Resolution Sequence Stratigraphy written by John A. Howell and published by Geological Society of America. This book was released on 1996 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 294 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-10 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B Lee Drake
Publisher : Royal Society of Chemistry
ISBN 13 : 1839162694
Total Pages : 564 pages
Book Rating : 4.8/5 (391 download)
Download or read book Advances in Portable X-ray Fluorescence Spectrometry written by B Lee Drake and published by Royal Society of Chemistry. This book was released on 2022-10-19 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last two decades, advances in the design, miniaturization, and analytical capabilities of portable X-ray fluorescence (pXRF) instrumentation have led to its rapid and widespread adoption in a remarkably diverse range of applications in research and industrial fields. The impetus for this volume was that, as pXRF continues to grow into mainstream use, analysts should be increasingly empowered with the right information to safely and effectively employ pXRF as part of their analytical toolkit. This volume provides introductory and advanced-level users alike with readings on topics ranging from basic principles of pXRF and qualitative and quantitative approaches, through to machine learning and artificial intelligence for enhanced applications. It also includes fundamental guidance on calibrations, the mathematics of calculating uncertainties, and an extensive reference index of all elements and their interactions with X-rays. Contributing authors have provided a wealth of information and case studies in industry-specific chapters. These sections delve into detail on current standard practices in industry and research, including examples from agricultural and geo-exploration sectors, research in art and archaeology, and metals industrial and regulatory applications. As pXRF continues to grow in use in industrial and academic settings, it is essential that practitioners continue to learn, share, and implement informed and effective use of this technique. This volume serves as an accessible guidebook and go-to reference manual for new and experienced users in pXRF to achieve this goal.
Author : Nicholas Tsoulfanidis
Publisher : CRC Press
ISBN 13 : 1000417808
Total Pages : 642 pages
Book Rating : 4.0/5 (4 download)
Download or read book Measurement and Detection of Radiation written by Nicholas Tsoulfanidis and published by CRC Press. This book was released on 2021-09-15 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: As useful to students and nuclear professionals as its popular predecessors, this fifth edition provides the most up-to-date and accessible introduction to radiation detector materials, systems, and applications. There have been many advances in the field of radiation detection, most notably in practical applications. Incorporating these important developments, Measurement and Detection of Radiation, Fifth Edition provides the most up-to-date and accessible introduction to radiation detector materials, systems, and applications. It also includes more problems and updated references and bibliographies, and step-by-step derivations and numerous examples illustrate key concepts. New to the Fifth Edition: • Expanded chapters on semiconductor detectors, data analysis methods, health physics fundamentals, and nuclear forensics. • Updated references and bibliographies. • New and expanded problems.
