Atomic Processes Relevant to Neutral Beam Based Tokamak Diagnostics PDF Download
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Author:
Publisher:
ISBN:
Category : Emission spectroscopy
Languages : en
Pages : 10
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Author:
Publisher:
ISBN:
Category : Emission spectroscopy
Languages : en
Pages : 10
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Book Description
Author: Viacheslav Shevelko
Publisher: Springer Science & Business Media
ISBN: 3642255698
Category : Science
Languages : en
Pages : 501
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Book Description
The book is a comprehensive edition which considers the interactions of atoms, ions and molecules with charged particles, photons and laser fields and reflects the present understanding of atomic processes such as electron capture, target and projectile ionisation, photoabsorption and others occurring in most of laboratory and astrophysical plasma sources including many-photon and many-electron processes. The material consists of selected papers written by leading scientists in various fields.
Author: J. E. Goldston
Publisher:
ISBN:
Category : Charge exchange
Languages : en
Pages : 6
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Book Description
Author: E. Sindoni
Publisher: Elsevier
ISBN: 1483280500
Category : Technology & Engineering
Languages : en
Pages : 722
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Book Description
Diagnostics for Fusion Experiments provides information pertinent to the fundamental aspects of plasma physics. This book presents the requirement in measuring electron and ion temperatures at the multi-key level. Organized into four parts encompassing 36 chapters, this book begins with an overview of the principles and methods by which analysis of the fast neutrals obtained by charge exchange in the plasma volume can be utilized to obtain the plasma ion temperature. This text then examines the use of active particle beam systems in plasma diagnostics. Other chapters consider the source function for production of fast neutrals in Tokamak plasma. This book discusses as well the special diagnostic needs of mirror machines, with focus on diagnostics involving the higher-power neutral beams used with them. The final chapter deals with the standard mirror fission-fusion hybrid, tandem mirror, and the field-reversed mirror. This book is a valuable resource for experimental physicists and research workers.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 892
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Book Description
Author: David Herman Bluestein
Publisher:
ISBN:
Category : Neutral beams
Languages : en
Pages : 110
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Book Description
Author: Albert L. Osterheld
Publisher: American Institute of Physics
ISBN:
Category : Science
Languages : en
Pages : 328
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Book Description
Contains papers based on 30 talks presented at the Tenth American Physical Society Topical Conference on Atomic Processes in Plasmas, held in San Francisco in January 1996. The volume begins with a section on atomic physics in tokamak plasmas, followed by sections covering atomic physics in astrophy
Author: Douglass E. Joachain
Publisher: Springer Science & Business Media
ISBN: 1461337631
Category : Science
Languages : en
Pages : 578
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Book Description
The need for long-term energy sources, in particular for our highly technological society, has become increasingly apparent during the last decade. One of these sources, of tremendous poten tial importance, is controlled thermonuclear fusion. The goal of controlled thermonuclear fusion research is to produce a high-temperature, completely ionized plasma in which the nuclei of two hydrogen isotopes, deuterium and tritium, undergo enough fusion reactions so that the nuclear energy released by these fusion reactions can be transformed into heat and electricity with an overall gain in energy. This requires average kinetic energies for the nuclei of the order of 10 keV, corresponding to temperatures of about 100 million degrees. Moreover, the plasma must remain confined for a certain time interval, during which sufficient energy must be produced to heat the plasma, overcome the energy losses and supply heat to the power station. At present, two main approaches are being investigated to achieve these objectives: magnetic confinement and inertial con finement. In magnetic confinement research, a low-density plasma is heated by electric currents, assisted by additional heating methods such as radio-frequency heating or neutral beam injection, and the confinement is achieved by using various magnetic field configurations. Examples of these are the plasmas produced in stellarator and tokamak devices.
Author:
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ISBN:
Category :
Languages : en
Pages :
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Diagnostic methods for fast confined alpha particles are essential for a burning-plasma experiment. We review one- and two-electron-capture methods using energetic neutral beams, and provide quantitative estimates of signal level for a two-electron-capture method applicable to CIT. The best probe is a ground-state helium-atom beam because of its relatively good penetration into a CIT plasma and the large cross section for two-electron capture; it can be produced in useful quantities from HeH. We calculate a signal level of the order of 107 counts/s for 100 mA of accelerated HeH/sup +/, which is sufficient to allow time-resolved measurements of the alpha-particle velocity distribution. Limited position information could be obtained for appropriate access port geometry. This diagnostic is feasible, and we recommend further research and development leading to implementation on CIT. 39 refs., 16 figs., 5 tabs.
Author: Junji Fujita
Publisher:
ISBN:
Category : Laser plasmas
Languages : en
Pages : 156
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Book Description
