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Author : Richard Earl Stewart
Publisher :
ISBN 13 :
Total Pages : 804 pages
Book Rating : 4.:/5 (2 download)
Download or read book Experimental Studies of L Shell X-ray Emission from High Density Plasmas written by Richard Earl Stewart and published by . This book was released on 1985 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ishor Kumar Shrestha
Publisher :
ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.:/5 (811 download)
Download or read book The Study of Hard X-ray Emission and Electron Beam Generation in Wire Array Z-pinch and X-pinch Plasmas as University-scale Generators written by Ishor Kumar Shrestha and published by . This book was released on 2010 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The studies of hard x-ray (HXR) emission and electron beam generation in Z-pinch plasmas are very important for Inertial Confinement Fusion (ICF) research and HXR emission application for sources of K-shell and L-shell radiation. Energetic electron beams from Z-pinch plasmas are potentially a problem in the development of ICF. The electron beams and the accompanying HXR emission can preheat the fuel of a thermonuclear target, thereby preventing the fuel compression from reaching densities required for the ignition of a fusion reaction. The photons above 3-4 keV radiated from a Z pinch can provide detailed information about the high energy density plasmas produced at stagnation. Hence, the investigation of characteristics of hard x-rays and electron beams produced during implosions of wire array loads on university scale-generators may provide important data for future ICF, sources of K-shell and L-shell radiations and basic plasma research. This dissertation presents the results of experimental studies of HXR and electron beam generation in wire-array and X-pinch on the 1.7 MA, 100-ns current rise time Zebra generator at University of Nevada, Reno and 1-MA 100-ns current rise-time Cornell Beam Research Accelerator (COBRA) at Cornell University. The experimental study of characteristics of HXR produced by multi-planar wire arrays, compact cylindrical wire array (CCWA) and nested cylindrical wire array (NCWA) made from Al, Cu, Mo, Ag, W and Au were analyzed. The dependence of the HXR yield and power on geometry of the load, the wire material, and load mass was observed. The presence of aluminum wires in the load with the main material such as stainless steel, Cu, Mo, Ag, W or Au in combined wire array decreases HXR yield. The comparison of emission characteristics of HXR and generation of electron beams in CCWA and NCWA on both the high impedance Zebra generator and low impedance COBRA generator were investigated. Some of the "cold" K- shell spectral lines (0.7-2.3Åʹ) and cold L-shell spectral lines (1-1.54Åʹ) in the HXR region were observed only during the interaction of electron beam with load material and anode surface. These observations suggest that the mechanism of HXR emission should be associated with non-thermal mechanisms such as the interaction of the electron beam with the load material. In order to estimate the characteristics of the high-energetic electron beam in Z-pinch plasmas, a hard x-ray polarimeter (HXP) has been developed and used in experiments on the Zebra generator. The electron beams (energy more than 30keV) have been investigated with measurements of the polarization state of the emitted bremsstrahlung radiation from plasma. We also analyzed characteristics of energetic electron beams produced by implosions of multi-planar wire arrays, compact cylindrical and nested wire arrays as well as X-pinches. Direct indications of electron beams (electron cutoff energy EB from 42-250 keV) were obtained by using the measured current of a Faraday cup placed above the anode or mechanical damage observed in the anode surface. A comparison of total electron beam energy and the spatial and spectral analysis of the parameters of plasmas were investigated for different wire materials. The dependences of the total electron beam energy (E b) on the wire material and the geometry of the wire array load were studied.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 030908637X
Total Pages : 177 pages
Book Rating : 4.3/5 (9 download)
Download or read book Frontiers in High Energy Density Physics written by National Research Council and published by National Academies Press. This book was released on 2003-05-11 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent scientific and technical advances have made it possible to create matter in the laboratory under conditions relevant to astrophysical systems such as supernovae and black holes. These advances will also benefit inertial confinement fusion research and the nation's nuclear weapon's program. The report describes the major research facilities on which such high energy density conditions can be achieved and lists a number of key scientific questions about high energy density physics that can be addressed by this research. Several recommendations are presented that would facilitate the development of a comprehensive strategy for realizing these research opportunities.
Author : Wynford L. Harries
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (317 download)
Download or read book X-ray Emission from High Temperature Plasmas written by Wynford L. Harries and published by . This book was released on 1974 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (682 download)
Download or read book Laboratory Studies of X-ray Emission from Fe L-shell Transitions and Their Diagnostic Utility written by and published by . This book was released on 2005 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Celestial objects are often home to complex, dynamic, intriguing environments. High-resolution x-ray spectra from these sources measured by satellites such as the Chandra, XMN-Newton, the Solar Maximum Mission, and the soon-to-be-launched Astro-E2 provide a means for understanding the physics governing these sources. Especially rich is the x-ray emission from L-shell transitions in highly charged ions. The emissions is the source of a variety of diagnostics and benchmarked by laboratory data. In this paper we discuss laboratory measurements of Fe L-shell x-ray emission including wavelengths, relative and absolute excitation cross sections, and line ratios that provide diagnostics of temperature and density.
Author : United States. Congress. Senate. Committee on Appropriations. Subcommittee on Energy and Water, and Related Agencies
Publisher :
ISBN 13 :
Total Pages : 1800 pages
Book Rating : 4.3/5 ( download)
Download or read book Energy and Water, and Related Agencies Appropriations for Fiscal Year 2007 written by United States. Congress. Senate. Committee on Appropriations. Subcommittee on Energy and Water, and Related Agencies and published by . This book was released on 2006 with total page 1800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fusion Energy Update written by and published by . This book was released on 1978 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stefan P. Hau-Riege
Publisher : John Wiley & Sons
ISBN 13 : 3527636374
Total Pages : 260 pages
Book Rating : 4.5/5 (276 download)
Download or read book High-Intensity X-rays - Interaction with Matter written by Stefan P. Hau-Riege and published by John Wiley & Sons. This book was released on 2012-09-19 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filling the need for a book bridging the effect of matter on X-ray radiation and the interaction of x-rays with plasmas, this monograph provides comprehensive coverage of the topic. As such, it presents and explains such powerful new X-ray sources as X-ray free-electron lasers, as well as short pulse interactions with solids, clusters, molecules, and plasmas, and X-ray matter interactions as a diagnostic tool. Equally useful for researchers and practitioners working in the field.
Author : Shalom Eliezer
Publisher : CRC Press
ISBN 13 : 1000654710
Total Pages : 174 pages
Book Rating : 4.0/5 (6 download)
Download or read book Applications of Laser-Plasma Interactions written by Shalom Eliezer and published by CRC Press. This book was released on 2008-12-22 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent advances in the development of lasers with more energy, power, and brightness have opened up new possibilities for exciting applications. Applications of Laser-Plasma Interactions reviews the current status of high power laser applications. The book first explores the science and technology behind the ignition and burn of imploded fusion fue
Author : Sune Svanberg
Publisher : CRC Press
ISBN 13 : 1000157296
Total Pages : 576 pages
Book Rating : 4.0/5 (1 download)
Download or read book X-Ray Lasers 1996 written by Sune Svanberg and published by CRC Press. This book was released on 2020-11-26 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-Ray Lasers 1996 provides not only an overview and progress report on this fast moving field, but also important reference material on which future work can be built. Topics covered include collisional x-ray lasers, table-top x-ray lasers, beam optics, x-ray optics, OFI and photo-pumped schemes, capillary schemes, international laser facilities, XUV nonlinear mixing, alternative soft x-ray sources, diagnostics, and applications. The volume is an essential addition to the libraries of researchers in the field.
Author : Alex Chao
Publisher : World Scientific
ISBN 13 : 9814340391
Total Pages : 299 pages
Book Rating : 4.8/5 (143 download)
Download or read book Reviews of Accelerator Science and Technology - Volume 3 written by Alex Chao and published by World Scientific. This book was released on 2010 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each generation yielded growths in brightness and time resolution that were unimaginable just a few years earlier. In particular, the progression from the 3rd to 4th generation is a true revolution; the peak brilliance of coherent soft and hard x-rays has increased by 7-10 orders of magnitude, and the image resolution has reached the angstrom (1 [symbol] = 10-10 meters) and femto-second (1 fs = 10-15 second) scales. These impressive capabilities have fostered fundamental scientific advances and led to an explosion of numerous possibilities in many important research areas including material science, chemistry, molecular biology and the life sciences. Even more remarkably, this field of photon source invention and development shows no signs of slowing down. Studies have already been started on the next generation of x-ray sources, which would have a time resolution in the atto-second (1 as = 10-18 second) regime, comparable to the time of electron motion inside atoms.
Author : Alexander Wu Chao
Publisher : World Scientific
ISBN 13 : 9814462020
Total Pages : 299 pages
Book Rating : 4.8/5 (144 download)
Download or read book Reviews Of Accelerator Science And Technology - Volume 3: Accelerators As Photon Sources written by Alexander Wu Chao and published by World Scientific. This book was released on 2011-01-20 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last half century we have witnessed tremendous progress in the production of high-quality photons by electrons in accelerators. This dramatic evolution has seen four generations of accelerators as photon sources. The 1st generation used the electron storage rings built primarily for high-energy physics experiments, and the synchrotron radiation from the bending magnets was used parasitically. The 2nd generation involved rings dedicated to synchrotron radiation applications, with the radiation again from the bending magnets. The 3rd generation, currently the workhorse of these photon sources, is dedicated advanced storage rings that employ not only bending magnets but also insertion devices (wigglers and undulators) as the source of the radiation. The 4th generation, which is now entering operation, is photon sources based on the free electron laser (FEL), an invention made in the early 1970s.Each generation yielded growths in brightness and time resolution that were unimaginable just a few years earlier. In particular, the progression from the 3rd to 4th generation is a true revolution; the peak brilliance of coherent soft and hard x-rays has increased by 7-10 orders of magnitude, and the image resolution has reached the angstrom (1 Å = 10-10 meters) and femto-second (1 fs = 10-15 second) scales. These impressive capabilities have fostered fundamental scientific advances and led to an explosion of numerous possibilities in many important research areas including material science, chemistry, molecular biology and the life sciences. Even more remarkably, this field of photon source invention and development shows no signs of slowing down. Studies have already been started on the next generation of x-ray sources, which would have a time resolution in the atto-second (1 as = 10-18 second) regime, comparable to the time of electron motion inside atoms. It can be fully expected that these photon sources will stand out among the most powerful future science research tools. The physics community as well as the entire scientific community will hear of many pioneering and groundbreaking research results using these sources in the coming years.This volume contains fifteen articles, all written by leading scientists in their respective fields. It is aimed at the designers, builders and users of accelerator-based photon sources as well as general audience who are interested in this topic.
Author : Günter H. Zschornack
Publisher : Springer Science & Business Media
ISBN 13 : 3540286187
Total Pages : 969 pages
Book Rating : 4.5/5 (42 download)
Download or read book Handbook of X-Ray Data written by Günter H. Zschornack and published by Springer Science & Business Media. This book was released on 2007-01-24 with total page 969 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the only handbook available on X-ray data. In a concise and informative manner, the most important data connected with the emission of characteristic X-ray lines are tabulated for all elements up to Z = 95 (Americium). The tabulated data are characterized and, in most cases, evaluated. Furthermore, all important processes and phenomena connected with the production, emission and detection of characteristic X-rays are discussed.
Author :
Publisher :
ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1985 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antonio Bianconi
Publisher : American Inst. of Physics
ISBN 13 : 9780735401112
Total Pages : 556 pages
Book Rating : 4.4/5 (11 download)
Download or read book X-Ray and Inner-Shell Processes written by Antonio Bianconi and published by American Inst. of Physics. This book was released on 2003-02-06 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses both fundamental issues and applications in the field of x-ray and inner-shell processes induced by photons, particles, or nuclear conversion. The volume contains the invited talks and all papers have been peer reviewed. This meeting brings scientists together from different disciplines of x-ray science and technology. Focus has been given to the applications of the high brilliance synchrotron x- ray sources in physics, chemistry, biology, engineering and related fields. The book is of interest to scientists in atomic, molecular and solid state physics using synchrotron radiation sources, plasma and x-ray lasers, manufacturers of x-ray equipment, electron and ion analysis apparatus, semiconductor industry chemical industry requiring advanced analytical equipment. Topics include: historical reviews; new x-ray sources and techniques; advances in x-ray optics; photoionization processes and highly charged ions; atomic and nuclear x-ray processes; x-ray scattering; x-ray applications to solids and surfaces; and biological applications.
Author :
Publisher :
ISBN 13 :
Total Pages : 934 pages
Book Rating : 4.0/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:
