Ion Production By Electron Impact

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Ion Production By Electron Impact

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Author : Rowland Ivor Reed
language : en
Publisher:
Release Date : 1962

Ion Production By Electron Impact written by Rowland Ivor Reed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Collisions (Nuclear physics) categories.

Ion Production By Electron Impact

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Author : RI. REED
language : en
Publisher:
Release Date : 1962

Ion Production By Electron Impact written by RI. REED and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.

Electron Impact Ion Sources For Charged Heavy Ions

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Author : Grigory D. Shirkov
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29

Electron Impact Ion Sources For Charged Heavy Ions written by Grigory D. Shirkov 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 Technology & Engineering categories.

The book provides a comprehensive guide to the construction, operation, diagnostics, and applications of electron impact ion sources for the production of highly charged ions. Beside the treatment of elementary processes and ion storage in electron impact ion sources, characteristic diagnostic methods for these sources are described which are related to plasma diagnostics. Related to atomic and solid state physics the use of electron impact ion sources is discussed. Diese Monographie behandelt den Aufbau, den Betrieb, die Diagnostik und Anwendungen von Elektronenstoß-Ionenquellen zur Erzeugung hochgeladener Ionen. Neben der Behandlung von Basisprozessen in den Quellen erfolgt eine umfangreiche Beschreibung von Diagnostikmethoden mit Relevanz zur Ionenquellen- und Plasmadiagnostik.

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.

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.

Production Of Negative Ions By Electron Impact

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Author : S. K. Srivastava
language : en
Publisher:
Release Date : 1982

Production Of Negative Ions By Electron Impact written by S. K. Srivastava and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.

Proposed future space-based beam weapons systems will most probably require an intense neutral particle beam for effective operation across geomagnetic field lines. Such neutral beams can most efficiently be obtained by stripping excess electrons from negative ion beams. The objective of this work is to study the process of dissociative attachment of electrons. Specifically, to measure the cross sections for polar dissociation and dissociative attachment for production of H( - ). It is suspected that these dissociative attachment cross sections for the production of H( - ) from alkali hydrides are large. The insight gained from this study will be extremely helpful in the fabrication of high current density H( - ) beam sources for use in the production of intense neutral hydrogen beams. A selection of alkali hydride molecules will be investigated in order to determine the largest cross sections for the production of H( - ) by electron impact. The angular distribution of the H( - ) ions will be measured. An optimal vapor pressure for the efficient production of H( - ) will be found. The feasibility of extending the proposed research to the deuterium bearing molecule will be determined.

Electron Impact Phenomena And The Properties Of Gaseous Ions

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Author : Frank Henry Field
language : en
Publisher:
Release Date : 1957

Electron Impact Phenomena And The Properties Of Gaseous Ions written by Frank Henry Field and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Electron impact ionization categories.

Investigation Of Ionization And Dissociation Processes Produced By Electron Impact On Molecules

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Author : Ce Ma
language : en
Publisher:
Release Date : 1990

Investigation Of Ionization And Dissociation Processes Produced By Electron Impact On Molecules written by Ce Ma and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Electron-molecule scattering categories.

Electron Impact Phenomena In Vuv Photoionization Mass Spectroscopy

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Author :
language : en
Publisher:
Release Date : 1987

Electron Impact Phenomena In Vuv Photoionization Mass Spectroscopy written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.

Electron impact ionization arising from acceleration of stray electrons in the ion source is a major interference in photoionization mass spectrometry with vacuum ultraviolet sources. Results are presented which show that most of this ionization is caused by low energy secondaries generated when stray primaries are collected by the ion source electrodes. The primaries are produced mainly by interaction of scattered VUV radiation with metal surfaces. The low energy stray electron impact process can produce molecular ions as the only detectable electron impact features in the photoionization mass spectrum, especially for aromatic compounds. These features are not immediately distinguishable from photoions in the spectrum. When time of flight mass analysis is employed, the distinction can be made simply through adjustment of ion source conditions. The method for accomplishing this is described and demonstrated.

Mass Spectrometry

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Author : Jürgen H Gross
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-05

Mass Spectrometry written by Jürgen H Gross 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 2006-04-05 with Science categories.

Mass Spectrometry is an ideal textbook for students and professionals as well as newcomers to the field. Starting from the very first principles of gas-phase ion chemistry and isotopic properties, the textbook takes the reader through the design of mass analyzers and ionization methods all the way to mass spectral interpretation and coupling techniques. Step-by-step, the reader learns how mass spectrometry works and what it can do. The book comprises a balanced mixture of practice-oriented information and theoretical background. It features a clear layout and a wealth of high-quality figures. Exercises and solutions are located on the Springer Global Web.