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Author: Fred Loomis Mohler Publisher: ISBN: Category : Ionization of gases Languages : en Pages : 52
Book Description
This is a review of experimental results on photoionization of atoms and some molecules. There are some quantitative data on all the alkalis, magnesium, calcium and thallium and all rare gases except xenon. Results are given for the common gases: hydrogen, nitrogen, oxygen, CO, CO2, NO, NO2, H2O and CH4. Autoionization, excitation to a state above the ionization threshold followed by transition to the ionized state, can be an important factor. Often the broad autoionization lines mask the true continuum. There are some mass spectrometric measurements of photoionization products for most of these molecules.
Author: Fred Loomis Mohler Publisher: ISBN: Category : Ionization of gases Languages : en Pages : 52
Book Description
This is a review of experimental results on photoionization of atoms and some molecules. There are some quantitative data on all the alkalis, magnesium, calcium and thallium and all rare gases except xenon. Results are given for the common gases: hydrogen, nitrogen, oxygen, CO, CO2, NO, NO2, H2O and CH4. Autoionization, excitation to a state above the ionization threshold followed by transition to the ionized state, can be an important factor. Often the broad autoionization lines mask the true continuum. There are some mass spectrometric measurements of photoionization products for most of these molecules.
Author: Vladilen Letokhov Publisher: Elsevier ISBN: 0323154085 Category : Technology & Engineering Languages : en Pages : 364
Book Description
Laser Photoionization Spectroscopy discusses the features and the development of photoionization technique. This book explores the progress in the application of lasers, which improve the characteristics of spectroscopic methods. Organized into 12 chapters, this book starts with an overview of the fundamentals of the method for atoms and molecules. This text then examines the photoionization spectroscopy, which is based on the laser resonant excitation of particles into high-lying quantum states that are easy to detect by ionization. Other chapters explain the various basic schemes of multistep excitation, which can be used for resonance photoionization of molecules. This book discusses as well the different applications of the resonance photoionization technique in atomic and molecular spectroscopy. The final chapter considers the two well-known types of microscopy, namely, wave and corpuscular. This book is a valuable resource for chemists, physicists, analysts, and geochemists who are interested in laser spectroscopy techniques to solve nontrivial problems.
Author: Philip G. Burke Publisher: Springer Science & Business Media ISBN: 1461559170 Category : Science Languages : en Pages : 384
Book Description
Research on photon and electron collisions with atomic and molecular targets and their ions has seen a rapid increase in interest, both experimentally and theoretically, in recent years. This is partly because these processes provide an ideal means of investigating the dynamics of many particle systems at a fundamental level and partly because their detailed understanding is required in many other fields, particularly astrophysics, plasma physics and controlled thermonuclear fusion, laser physics, atmospheric processes, isotope separation, radiation physics and chemistry and surface science. In recent years a number of important advances have been made, both on the experimental side and on the theoretical side. On the experimental side these include absolute measurements of cross sections, experiments using coincidence techniques, the use of polarised beams and targets, the development of very high energy resolution electron beams, the use of synchrotron radiation sources and ion storage rings, the study of laser assisted atomic collisions, the interaction of super-intense lasers with atoms and molecules and the increasing number of studies using positron beams.
Author: Cheuk-Yiu Ng Publisher: World Scientific ISBN: 9810238924 Category : Science Languages : en Pages : 731
Book Description
Owing to the advances of vacuum ultraviolet and ultrafast lasers and third generation synchrotron sources, the research on photoionization, photoelectrons, and photodetachment has gained much vitality in recent years. These new light sources, together with ingenious experimental techniques, such as the coincidence imaging, molecular beam, pulsed field ionization photoelectron, mass-analyzed threshold ion, and pulsed field ion pair schemes, have allowed spectroscopic, dynamic, and energetic studies of gaseous species to a new level of detail and accuracy. Profitable applications of these methods to liquids are emerging.This invaluable two-volume review consists of twenty-two chapters, focusing on recent developments in photoionization and photodetachment studies of atoms; molecules, transient species, clusters, and liquids.
Author: Tu-nan Chang Publisher: World Scientific ISBN: 9789810208776 Category : Science Languages : en Pages : 434
Book Description
Detailed discussions on many of the recent advances in the many-body theory of atomic structure are presented by the leading experts around the world on their respective specialized approaches. Emphasis is given to the photoionization dominated by the resonance structures, which reveals the effect of the multi-electron interaction in atomic transitions involving highly correlated atomic systems. Recent experimental developments, stimulated by the more advanced applications of intense lasers and short wavelength synchrotron radiation, are also reviewed. This book brings together a comprehensive theoretical and experimental survey of the current understanding of the basic physical processes involved in atomic processes.
Author: Uwe Becker Publisher: Springer Science & Business Media ISBN: 146130315X Category : Science Languages : en Pages : 678
Book Description
Leading investigators offer the first comprehensive study of gas phase photoionization research in the VUV and soft X-ray regime since the massive employment of synchrotron radiation as a spectroscopic tool. Chapters cover all aspects of photoionization phenomena from total cross sections to highly differentiated measurements such as coincidence experiments and spin-resolved electron spectroscopy. This work is abundant with illustrations.
Author: Joseph Berkowitz Publisher: Academic Press ISBN: 032314828X Category : Science Languages : en Pages : 490
Book Description
Photoabsorption, Photoionization, and Photoelectron Spectroscopy explores photoabsorption processes involving individual, isolated molecules in the wavelength or photon energy range from the ionization thresholds of molecules (usually in the vacuum ultraviolet region) through the soft and hard X-ray region and beyond the ""K edge."" The interaction between electromagnetic radiation and isolated molecules based on photoabsorption, photoionization, and photoelectron spectroscopy studies is described, along with the techniques for measurement of total and partial cross sections. This book is comprised of eight chapters and examines the decomposition of molecules and molecular ions as well as mildly excited (valence shell excitation) and highly excited (inner shell excitation) molecules. After providing a general theoretical background, it discusses certain classes of atoms and molecules and considers electromagnetic interactions with gases. The following chapters focus on photoabsorption below the first ionization limit; quasi-discrete states above the first ionization potential; and the ionization continuum. Total photoabsorption and photoionization cross sections for selected molecules are also considered, and the angular distribution of photoelectrons is analyzed. The various measurement techniques are described in the last chapter. This monograph will be of interest to radiation chemists, radiation physicists, photochemists, mass spectrometrists, and perhaps radiation biologists.
Author: Fred Loomis Mohler
Author: Fred Loomis Mohler
Author: Vladilen Letokhov
Author: 
Author: Philip G. Burke
Author: Cheuk-Yiu Ng
Author: James A. R. Samson
Author: Tu-nan Chang
Author: Uwe Becker
Author: Michael C. Weinberg
Author: Joseph Berkowitz