The Ionization Of Atoms By Electron Impact
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Analysis Of Excitation And Ionization Of Atoms And Molecules By Electron Impact
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Author : Afzal Chaudhry
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-17
Analysis Of Excitation And Ionization Of Atoms And Molecules By Electron Impact written by Afzal Chaudhry and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-17 with Science categories.
The content of this book describes in detail the results of the present measurements of the partial and total doubly differential cross sections for the multiple-ionization of rare gas atoms by electron impact. These measurements show, beside other trends, the role of Auger transitions in the production of multiply ionized atoms in the region where the incident electron energy is sufficient to produce inner shell ionization. Other processes like Coster-Kronig transitions and shake off also contribute towards increasing the charge of the ions. The incident electron having energy of 6 keV, for example, in a collision with xenon atom can remove up to nine electrons! (*) X-ray-ion coincidence spectroscopy of the electron xenon atom collisions is also described. The present measurements of doubly differential cross sections for the dissociative and non-dissociative ionization of hydrogen, sulfur dioxide and sulfur hexa fluoride molecular gases by electron impact are also described in the text of this book. The results of the measurements for sulfur dioxide molecule show how this major atmospheric pollutant can be removed from the atmosphere by electron impact dissociation of this molecule. The present results of the measurements for sulfur hexa fluoride give an insight into the dissociation properties of this molecular gas, which is being so widely used as a gaseous insulator in the electrical circuits. The book also describes the present measurements of the polarization parameters of the fluorescence radiation emitted by the electron-impact-excited atoms of sodium and potassium. In these investigations the target atoms are polarized, therefore, the measurements of the polarization parameters give information about the electron atom interaction in terms of the interference, direct and exchange interaction channels.
Electron Impact Ionization
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Author : T.D. Märk
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Electron Impact Ionization written by T.D. Märk and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
It is perhaps surprising that a process which was one of the first to be studied on an atomic scale, and a process which first received attention over seven decades ago, continues to be the object of diverse and intense research efforts. Such is the case with the (seemingly) conceptually simple and familiar mechanism of electron impact ionization of atoms, molecules, and ions. Not only has the multi-body nature of the collision given ground to theoretical effort only grudgingly, but also the variety and subtlety of processes contributing to ionization have helped insure that progress has come only with commensurate work: no pain - no gain. Modern experimental methods have made it possible to effectively measure and explore threshold laws, differential cross sections, partial cross sections, inner-shell ionization, and the ionization of unstable species such as radicals and ions. In most instances the availability of experimental data has provided impetus and guidance for further theoretical progress.
The Ionization Of Atoms By Electron Impact
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Author : Ernest Orlando Lawrence
language : en
Publisher:
Release Date : 1926
The Ionization Of Atoms By Electron Impact written by Ernest Orlando Lawrence and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1926 with Electron impact ionization categories.
Theory Of Ionization Of Atoms By Electron Impact
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Author : Raimonds K. Peterkop
language : en
Publisher:
Release Date : 1977
Theory Of Ionization Of Atoms By Electron Impact written by Raimonds K. Peterkop and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Electron Impact Ionization Of Atoms And Ions
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Author : Ghanshyam Purohit
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2015-05-05
Electron Impact Ionization Of Atoms And Ions written by Ghanshyam Purohit and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-05 with categories.
This book presents details of electron impact single ionization of atoms and ions. The ionization of atoms and molecules by photon or charged particle impact such as electrons is of great importance in physics. Over the past several years a great progress has been made to understand the physics of electron impact single ionization processes (i.e. (e, 2e) processes) on atoms and ions and its quantum mechanically complete studies have also been performed. Theoretical investigations of (e, 2e) processes on atoms provide a platform to understand the collision dynamics and the characteristics of the targets by studying triple differential cross section (TDCS). Study of TDCS using the (e, 2e) technique is an important method to probe the dynamics of the ionization process and such data are strongly needed in the fields of astrophysics, controlled nuclear fusion, plasma physics etc. Chapter 1 of this book gives introduction of the electron impact ionization and the details of research work done so far has been described. The theoretical formalism has been described in detail in Chapter 2. Results of TDCS for various atomic and ionic targets have been presented in Chapter 3 and 4.
Theory Of Ionization Of Atoms By Electron Impact
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Author : Raimonds Peterkops
language : en
Publisher:
Release Date :
Theory Of Ionization Of Atoms By Electron Impact written by Raimonds Peterkops and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Single And Multiple Ionization Of Atoms And Ions By Electron Impact
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Author : Viateheslav P. Shevelko
language : en
Publisher: CRC Press
Release Date : 2000-03-09
Single And Multiple Ionization Of Atoms And Ions By Electron Impact written by Viateheslav P. Shevelko and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03-09 with Science categories.
Reporting to the West on significant developments in physics research, this journal presents reviews by eminent scientists from the former Soviet Union and will be of particular interest to research scientists who do not read Russian. Single and Multiple ionization processes in collision of atoms, positive and negative ions colliding with electrons are considered in a wide range of incident-electron enerfies. Physical properties and scaling laws of the total ionization cross-sections are studied on the basis of available experimental data and theoretical approaches. Analytical formulae and fitting parameters for the ionization cross-sections and Maxwellian rate coefficients are given and these can be used for different physical applications. The role of electron-ionization in ion-atom collisions, which is of improtance in problems of accelerator physics, is also considered. Multiple ionization of atoms and ions by electron impact are studies in terms of the number of ejected electrons, the total number of the target electrons and threshold ionization energy.
Ionization Of Atoms By Electron Impact
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Author : Dionysius Gregory Economides
language : en
Publisher:
Release Date : 1969
Ionization Of Atoms By Electron Impact written by Dionysius Gregory Economides and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.
Electron Impact Ionization Of Atoms
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Author : Edwin Paul Curran
language : en
Publisher:
Release Date : 1986
Electron Impact Ionization Of Atoms written by Edwin Paul Curran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Electron Impact Phenomena
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Author : F. H. Field
language : en
Publisher: Academic Press
Release Date : 2013-10-22
Electron Impact Phenomena written by F. H. Field and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Electron Impact Phenomena and the Properties of Gaseous Ions, Revised Edition deals with data pertaining to electron impact and to molecular gaseous ionic phenomena. This book discusses electron impact phenomena in gases at low pressure that involve low-energy electrons, which result in ion formation. The text also describes the use of mass spectrometers in electron impact studies and the degree of accuracy obtained when measuring electron impact energies. This book also reviews relatively low speed electrons and the transitions that result in the ionization of the atomic system. This text then discusses diatomic molecules whose mass spectra can be interpreted using the Franck-Condon principle. This selection also presents some examples of ions in solution that resemble the gaseous ions formed by electron impacts. The energies of these gaseous ions can be the key to understanding the mechanisms of ionic reactions. These examples include the olefin addition reactions and catalytic cracking. This text will prove invaluable for research chemists, students, and professors in chemistry and related fields such as organic chemistry and electrochemistry.