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Author: B.S.P. Shen
Publisher: Springer Science & Business Media
ISBN: 9401015112
Category : Science
Languages : en
Pages : 237
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Book Description
Nine years ago, in 1967, a conference on spallation nuclear reactions and their applications in astrophysics was held at the University of Pennsylvania. I Since that time, a number of devel opments have given renewed impetus to the study of spallation reactions. Among these are the successful acceleration of high energy heavy ions in the laboratory and their potential use in cancer radiotherapy, the availability of returned lunar rocks containing records of past cosmic-ray irradiation, and the devel opment of the theory that the spallation of interstellar matter is responsible for much of the observed universal abundances of the rare light nuclides. In May 1975, a new conference on spal lation nuclear reactions and their applications to astrophysics and radiotherapy was organized and held, again at the University of Pennsylvania. The papers in this volume are primarily expanded and updated versions of invited papers given at that conference. To the authors of the papers, we owe a debt of gratitude for their contributions and for their forbearance. The confer ence itself was much stimulated by the services of the four session chairmen: William A. Fowler, Serge A. Korff, Robert Serber, and Maurice M. Shapiro, each of whom has over the years made fundamental contributions to the subject matter of this volume. Crucial support for much of the editorial work was provided by the National Aeronautics and Space Administration and the National Science Foundation. George W.
Author: B.S.P. Shen
Publisher: Springer Science & Business Media
ISBN: 9401015112
Category : Science
Languages : en
Pages : 237
Get Book Here
Book Description
Nine years ago, in 1967, a conference on spallation nuclear reactions and their applications in astrophysics was held at the University of Pennsylvania. I Since that time, a number of devel opments have given renewed impetus to the study of spallation reactions. Among these are the successful acceleration of high energy heavy ions in the laboratory and their potential use in cancer radiotherapy, the availability of returned lunar rocks containing records of past cosmic-ray irradiation, and the devel opment of the theory that the spallation of interstellar matter is responsible for much of the observed universal abundances of the rare light nuclides. In May 1975, a new conference on spal lation nuclear reactions and their applications to astrophysics and radiotherapy was organized and held, again at the University of Pennsylvania. The papers in this volume are primarily expanded and updated versions of invited papers given at that conference. To the authors of the papers, we owe a debt of gratitude for their contributions and for their forbearance. The confer ence itself was much stimulated by the services of the four session chairmen: William A. Fowler, Serge A. Korff, Robert Serber, and Maurice M. Shapiro, each of whom has over the years made fundamental contributions to the subject matter of this volume. Crucial support for much of the editorial work was provided by the National Aeronautics and Space Administration and the National Science Foundation. George W.
Author: Detlef Filges
Publisher: Wiley-VCH
ISBN: 9783527407149
Category : Science
Languages : en
Pages : 787
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Book Description
This detailed and comprehensive reference to spallation -- from the foundations to the latest applications is the only work of its kind and is written by two internationally renowned researchers. Clearly divided into three parts, it begins with the basic principles, while the second part describes the proton-nucleus and proton-matter experiments so-called thin and thick target experiments in terms of secondary particle production as hadrons, pions, muons, photons, electrons, light and intermediate masses, isotope production, heating and energy deposition and materials damage. Many of the experiments are associated with studies, investigations and the construction of spallation neutron sources since 1975 with emphasis on the most recent developments. The final part on technology and applications describes the various engineering problems associated with high intensity neutron spallation sources, ATW's, the needed accelerator systems, material and neutron issues, and high energy neutron source shielding aspects. A must-have for engineers and physicists working in or entering this field.
Author: J. M. Carpenter
Publisher: Cambridge University Press
ISBN: 0521857813
Category : Science
Languages : en
Pages : 539
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Book Description
This book provides a comprehensive and up-to-date introduction to the fundamental theory and applications of slow-neutron scattering.
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309176697
Category : Medical
Languages : en
Pages : 144
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Book Description
Radioactive isotopes and enriched stable isotopes are used widely in medicine, agriculture, industry, and science, where their application allows us to perform many tasks more accurately, more simply, less expensively, and more quickly than would otherwise be possible. Indeed, in many casesâ€"for example, biological tracersâ€"there is no alternative. In a stellar example of "technology transfer" that began before the term was popular, the Department of Energy (DOE) and its predecessors has supported the development and application of isotopes and their transfer to the private sector. The DOE is now at an important crossroads: Isotope production has suffered as support for DOE's laboratories has declined. In response to a DOE request, this book is an intensive examination of isotope production and availability, including the education and training of those who will be needed to sustain the flow of radioactive and stable materials from their sources to the laboratories and medical care facilities in which they are used. Chapters include an examination of enriched stable isotopes; reactor and accelerator-produced radionuclides; partnerships among industries, national laboratories, and universities; and national isotope policy.
Author: Malvin H. Kalos
Publisher: John Wiley & Sons
ISBN: 352761740X
Category : Science
Languages : en
Pages : 195
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Book Description
This introduction to Monte Carlo Methods seeks to identify and study the unifying elements that underlie their effective application. It focuses on two basic themes. The first is the importance of random walks as they occur both in natural stochastic systems and in their relationship to integral and differential equations. The second theme is that of variance reduction in general and importance sampling in particular as a technique for efficient use of the methods. Random walks are introduced with an elementary example in which the modelling of radiation transport arises directly from a schematic probabilistic description of the interaction of radiation with matter. Building on that example, the relationship between random walks and integral equations is outlined. The applicability of these ideas to other problems is shown by a clear and elementary introduction to the solution of the Schrodinger equation by random walks. The detailed discussion of variance reduction includes Monte Carlo evaluation of finite-dimensional integrals. Special attention is given to importance sampling, partly because of its intrinsic interest in quadrature, partly because of its general usefulness in the solution of integral equations. One significant feature is that Monte Carlo Methods treats the "Metropolis algorithm" in the context of sampling methods, clearly distinguishing it from importance sampling. Physicists, chemists, statisticians, mathematicians, and computer scientists will find Monte Carlo Methods a complete and stimulating introduction.
Author: G. G. Fazio
Publisher: Cambridge University Press
ISBN: 9780521414395
Category : Science
Languages : en
Pages : 326
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Book Description
Currents in Astrophysics and Cosmology focuses primarily on cosmic-ray physics, X-ray, gamma-ray and neutrino astronomy and cosmology, the main research areas of Professor Maurice M. Shapiro, whose 75th birthday the collection of articles celebrates. Professor Shapiro is internationally distinguished for his contributions to the development of cosmic-ray physics. Each chapter is written by a leading scientist in the field. The scope extends from the inner solar system to distant radio galaxies. The book is ideal for graduate students and scientists working in cosmic-ray astrophysics. This valuable survey will be welcomed not only for its articles by world-renowned scientists but also for its coverage of many topics in high-energy astrophysics, the combination of which makes the book unique.
Author: United States. National Aeronautics and Space Administration
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 54
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Publisher:
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Category : Cross sections (Nuclear physics)
Languages : en
Pages : 52
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309260434
Category : Science
Languages : en
Pages : 263
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Book Description
The principal goals of the study were to articulate the scientific rationale and objectives of the field and then to take a long-term strategic view of U.S. nuclear science in the global context for setting future directions for the field. Nuclear Physics: Exploring the Heart of Matter provides a long-term assessment of an outlook for nuclear physics. The first phase of the report articulates the scientific rationale and objectives of the field, while the second phase provides a global context for the field and its long-term priorities and proposes a framework for progress through 2020 and beyond. In the second phase of the study, also developing a framework for progress through 2020 and beyond, the committee carefully considered the balance between universities and government facilities in terms of research and workforce development and the role of international collaborations in leveraging future investments. Nuclear physics today is a diverse field, encompassing research that spans dimensions from a tiny fraction of the volume of the individual particles (neutrons and protons) in the atomic nucleus to the enormous scales of astrophysical objects in the cosmos. Nuclear Physics: Exploring the Heart of Matter explains the research objectives, which include the desire not only to better understand the nature of matter interacting at the nuclear level, but also to describe the state of the universe that existed at the big bang. This report explains how the universe can now be studied in the most advanced colliding-beam accelerators, where strong forces are the dominant interactions, as well as the nature of neutrinos.
Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 632
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Book Description
