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| Author | : |
| Publisher | : |
| Total Pages | : 61 |
| Release | : 2013 |
| Genre | : |
| ISBN | : 9789174477108 |
| Author | : C.T. Whelan |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 308 |
| Release | : 2013-06-29 |
| Genre | : Science |
| ISBN | : 1475797516 |
The great advantage of coincidence measurements is that by suitable choice of the kinematical and geometrical arrangement one may probe delicate physical effects which would be swamped in less differential experiments. The measurement of the triple dif ferential and higher-order cross sections presents enormous technical difficulties, but refined experiments of this type provide an insight into the subtleties of the scattering process and offer a welcome, if severe, test of the available theoretical models. The last few years have been an exciting time to work in the field and much has been learned. Profound insights have been gleaned into the basic Coulomb few body problem in atomic physics: the experimental study of the fundamental (e,2e) processes on hydrogen and helium targets continues to add to our knowledge and indeed to challenge the best of our theoretical models; significant advances have been made in the understanding of the "double excitation problem," that is the study of ionization processes with two active target electrons: important measurements of (e,3e), (,),,2e), excitation-ionization and excitation autoionization have been reported and strides have been made in their theoretical description; the longstanding discrepancies between theory and experiment for relativistic (e,2e) processes were resolved, spin dependent effects predicted and ob served and the first successful coincidence experiments on surfaces and thin films were announced. Theory and experiment have advanced in close consort. The papers pre sented here cover the whole gambit of research in the field. Much has been achieved but much remains to be done.
| Author | : B Piraux |
| Publisher | : CRC Press |
| Total Pages | : 218 |
| Release | : 2005-02-01 |
| Genre | : Science |
| ISBN | : 9780750310093 |
Electron and Photon Impact Ionization and Related Topics 2004 provides an overview of the latest advances in the field of ionization by electron and photon impact. The book contains 18 contributions of recent experimental, theoretical, and computational work on correlated processes that involve a wide range of targets, including atoms, molecules, clusters, and surfaces. It covers a broad range of current topics, such as multi-particle coincidence studies, in particular, (e,2e) and (e,3e) processes, photoionization with or without excitation, and multiphoton single and double ionization. Three chapters contain the following topics: anisotropy and polarization in Auger-electron emission, multiple ionization of atoms in strong fields, and theoretical and practical aspects of photoionization with excitation. Because of the extensive array of applications discussed, this book is an essential reference for chemists, biologists, and researchers working in atomic, molecular, cluster, and surface physics.
| Author | : Volker Schmidt |
| Publisher | : Cambridge University Press |
| Total Pages | : 454 |
| Release | : 1997-05-15 |
| Genre | : Science |
| ISBN | : 9780521550536 |
The study of electron spectrometry using synchrotron radiation is a growing field of research driven by the increasing availability of advanced synchrotron radiation light sources and improved theoretical methods for solving the many-electron problem in atoms. This balanced account, by a leading researcher in this field, will be of value to both theorists and experimentalists in atomic, molecular and chemical physicists.
| Author | : S.L. Chin |
| Publisher | : Elsevier |
| Total Pages | : 287 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0323157556 |
Multiphoton lonization of Atoms provides a pedagogical review of the whole subfield of multiphoton ionization of atoms. This book discusses the “normal multiphoton ionization of atoms; calculation of resonant multiphoton processes; and angular distribution of photoelectrons and light polarization effects in multiphoton ionization of atoms. The multiphoton ionization involving continuum-continuum transitions; creation of doubly charged strontium ions; and many-electron processes in nonlinear ionization of atoms are also elaborated. Other topics include the non-resonant multiphoton ionization of atoms; above-threshold ionization theory; autoionizing states in multiphoton transitions; and specific features of the spectra of alkaline-earth atoms. This publication is beneficial to physics students and researchers conducting work on the multiple ionization of atoms.
| Author | : Alberto J Beswick |
| Publisher | : World Scientific |
| Total Pages | : 217 |
| Release | : 1998-04-14 |
| Genre | : Science |
| ISBN | : 9814496847 |
In view of the rapid growth in both experimental and theoretical studies of multiphoton processes and multiphoton spectroscopy of atoms, ions and molecules in chemistry, physics, biology, materials science, etc., it is desirable to publish an advanced series of books containing review papers that can be read not only by active researchers in these areas, but also by those who are not experts in the field but intend to enter it. The present series attempts to serve this purpose. Each review article is written in a self-contained manner by experts in the area, so that the reader can grasp the knowledge in the area without too much preparation.
| Author | : Edward J. Robinson |
| Publisher | : |
| Total Pages | : 24 |
| Release | : 1976 |
| Genre | : |
| ISBN | : |
The advent of the laser has brought about a revolution in the kinds of experimental phenomena that can be investigated. In particular, ultra-high power monochromatic, collimated sources have intensities of sufficient magnitude to enable studies to be carried out in the regime where 'non-linear' effects are important, even dominant. Important among these are processes which are characterised by the simultaneous absorption of two or more optical photons. While multiple photon processes are not completely new, those in the optical part of the spectrum, like Raman scattering, have, until the advent of the laser, been thought of as linear in the incident intensity, or, like the two-quantum decay of the metastable 2s states of hydrogen-like atoms and ions, been confined to theory. Of the multiple photon, non-linear optical processes, multiquantum ionization is one of the more fruitful for detailed, quantitative measurements, and for comparison with theory, since (1) one does not require precise coincidence between the laser light and an absorption line (2) the ionizations can be detected unambiguously with 100% efficiency (3) atomic wave functions are simple, and sufficiently accurate to enable one to make reasonable precise calculations.
| Author | : |
| Publisher | : Gulf Professional Publishing |
| Total Pages | : 429 |
| Release | : 2002-12-20 |
| Genre | : Science |
| ISBN | : 0080526071 |
This series, established in 1965, is concerned with recent developments in the general area of atomic, molecular and optical physics. The field is in a state of rapid growth, as new experimental and theoretical techniques are used on many old and new problems.Topics covered include related applied areas, such as atmospheric science, astrophysics, surface physics and laser physics. Articles are written by distinguished experts who are active in their research fields.The articles contain both relevant review material and detailed descriptions of important recent developments.
| Author | : M E Rose |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 450 |
| Release | : 2007-10-31 |
| Genre | : Science |
| ISBN | : 1847556671 |
Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry. For over 80 years the Royal Society of Chemistry and its predecessor, the Chemical Society, have been publishing reports charting developments in chemistry, which originally took the form of Annual Reports. However, by 1967 the whole spectrum of chemistry could no longer be contained within one volume and the series Specialist Periodical Reports was born. The Annual Reports themselves still existed but were divided into two, and subsequently three, volumes covering Inorganic, Organic and Physical Chemistry. For more general coverage of the highlights in chemistry they remain a 'must'. Since that time the SPR series has altered according to the fluctuating degree of activity in various fields of chemistry. Some titles have remained unchanged, while others have altered their emphasis along with their titles; some have been combined under a new name whereas others have had to be discontinued. The current list of Specialist Periodical Reports can be seen on the inside flap of this volume.
| Author | : Cheuk-Yiu Ng |
| Publisher | : World Scientific |
| Total Pages | : 731 |
| Release | : 2000 |
| Genre | : Science |
| ISBN | : 9810238924 |
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.
