High-resolution Photoionization Studies Performed Utilizing Third-generation Synchrotron Radiation at the Advanced Light Source PDF Download
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Author: Matthew Duane Evans Publisher: ISBN: Category : Languages : en Pages : 650
Book Description
The most exciting development has been coupling the traditionally laser based pulsed field ionization photoelectron (PFI-PE) technique with multibunch synchrotron radiation. Using the synchrotron based PFI-PE technique, rotationally resolved photoelectron spectra have been obtained for 02(b4[Sigma subscript g]−, v+), 02+(2 2[Pi subscript u], v+), 02 +(2[Sigma subscript u]−, v+), 02+(c4[Sigma subscript u]−, v+ = 0, 1), 02+(B4[Sigma subscript g]−, v+ = 0-7), and CO([Chi]2[Sigma]+, v+ = 0-42). Such spectra allowed the accurate determination of ionization energies and spectroscopic constants, as well as provided a means of studying photoionization dynamics in great detail. Predissociation lifetimes and the lifetimes of high-n Rydberg states have also been determined.
Author: Matthew Duane Evans Publisher: ISBN: Category : Languages : en Pages : 650
Book Description
The most exciting development has been coupling the traditionally laser based pulsed field ionization photoelectron (PFI-PE) technique with multibunch synchrotron radiation. Using the synchrotron based PFI-PE technique, rotationally resolved photoelectron spectra have been obtained for 02(b4[Sigma subscript g]−, v+), 02+(2 2[Pi subscript u], v+), 02 +(2[Sigma subscript u]−, v+), 02+(c4[Sigma subscript u]−, v+ = 0, 1), 02+(B4[Sigma subscript g]−, v+ = 0-7), and CO([Chi]2[Sigma]+, v+ = 0-42). Such spectra allowed the accurate determination of ionization energies and spectroscopic constants, as well as provided a means of studying photoionization dynamics in great detail. Predissociation lifetimes and the lifetimes of high-n Rydberg states have also been determined.
Author: Kevin L. D'Amico Publisher: Springer Science & Business Media ISBN: 1461558379 Category : Science Languages : en Pages : 260
Book Description
The individual papers that comprise this monograph are derived from two American Chemical Society (ACS) Fall National Meetings that focused on the current uses of synchrotron radiation (SR) research techniques. The first Symposium was held in Washington, DC, in August 1994, and the second convened in Chicago, IL, in August 1995. The intent of these symposia was to present a broad overview of several current topics in industrial, chemical, and materials-based SR research to a chemically inclined audience. The SR techniques covered were divided roughly into the three general fields of industrial, chemical, and materials science for this purpose. Included within these four categories are environmental, geologic, atomic/molecular, analytical, solid state physics, surface science, and biological applications of SR. There is little doubt that structural biology and environmental science are the largest growth areas in SR research as this monograph goes to press. The spirit of these symposia was to bring together the expert synchrotron radiation user with new and potential users of SR techniques. There are now a preponderance of particle storage rings, located throughout the world, devoted exclusively to the production of SR. There have been great improvements in the particle accelerators and storage rings from which SR emanates. These newest third generation SR sources are the result of the successful collaboration between SR users and accelerator physicists which has made a reality out of experiments never before possible.
Author: Tsun-Kong Sham Publisher: World Scientific ISBN: 9812775757 Category : Science Languages : en Pages : 663
Book Description
The synchrotron light source is becoming widely available, after its evolution from its infancy in the sixties to the present third generation source with insertion devices. It is timely to examine the impact that synchrotron light has made and will continue to make on chemical research. With this objective in mind, the editor of this invaluable book invited contributions from practitioners who are in the forefront of the research. The book summarizes most of the significant developments in the last decade in chemical and related research using synchrotron light. The utilization of the light as a probe as well as an energy source is emphasized.This book is organized into two parts, in order of increasing photon energy. Part I deals with the applications of low energy photons and covers areas such as gas phase photodissociation reactions and dynamics, soft X-ray fluorescence, IR and photoemission analysis of surfaces, spectroscopy of organic and polymeric materials, catalysts, electronic and magnetic materials, and spectromicroscopy. Part II encompasses applications using soft to hard X-rays, including spectroscopy of surface and thin films, XAFS, diffraction and scattering, and several technological applications, namely the microprobe, photoetching and tribology.
Author: A.S. Schlachter Publisher: Springer Science & Business Media ISBN: 9401108684 Category : Science Languages : en Pages : 400
Book Description
Soft X-rays are a powerful probe of matter. They interact selectively with electrons in atoms and molecules and can be used to study atomic physics, chemical reactions, surfaces and solids, and biological entities. Over the past 20 years, synchrotrons have emerged as powerful sources of soft X-rays for experimental use. A new, third generation of synchrotron light sources is scheduled to start operation over the next few years, beginning in 1993. These facilities are distinguished by their ultra-low emittance electron beams and by their undulators -- precisely engineered magnetic devices that cause the electrons passing through them to produce highly coherent X-rays and ultraviolet light of unprecedented spectral brightness. This volume emphasizes third-generation sources that produce light in the 10 eV--10 KeV energy range. It describes potential applications ranging from the purely scientific to the commercially viable and includes chapters on the practical aspects of designing undulators and beam line optics. Unique in its coverage, the book is a vital addition to the library of any scientist who needs information on the world's most advanced imaging and spectroscopic techniques. (ABSTRACT) This volume emphasizes the applications of new third generation synchrotron radiation sources that produce light in the ultraviolet and soft X-ray range of the spectrum. The unprecedented brightness of this light enables experiments to be conducted with greatly increased spatial and spectral resolution. Scientists can exploit these properties for imaging and spectroscopic applications that until now were impossible or impractical. Prominent researchers in the field describe these applications and others made possible by the light's pulsed time structure and polarization. The volume also includes chapters on the practical aspects of designing undulators and beam line optics.
Author: Mats Larsson Publisher: World Scientific ISBN: 9814543357 Category : Science Languages : en Pages : 314
Book Description
Dissociative recombination is a complex molecular process that occurs in any plasma cold enough to contain molecular constituents. It is the dominant recombination process in planetary ionospheres and interstellar clouds. In this book, recent developments in the fields of molecular ion physics, atomic and molecular theory, astrochemistry, aeronomy and plasma physics are discussed.
Author: Wolfgang E. Nagel Publisher: Springer ISBN: 331924633X Category : Computers Languages : en Pages : 701
Book Description
This book presents the state-of-the-art in supercomputer simulation. It includes the latest findings from leading researchers using systems from the High Performance Computing Center Stuttgart (HLRS) in 2015. The reports cover all fields of computational science and engineering ranging from CFD to computational physics and from chemistry to computer science with a special emphasis on industrially relevant applications. Presenting findings of one of Europe’s leading systems, this volume covers a wide variety of applications that deliver a high level of sustained performance. The book covers the main methods in high-performance computing. Its outstanding results in achieving the best performance for production codes are of particular interest for both scientists and engineers. The book comes with a wealth of color illustrations and tables of results.
Author: Matthew Duane Evans
Author: Matthew Duane Evans
Author: Ximei Qian
Author: Kevin L. D'Amico
Author: Tsun-Kong Sham
Author: A.S. Schlachter
Author: 
Author: Mats Larsson
Author: 
Author: Wolfgang E. Nagel
Author: National Institute of Standards and Technology (U.S.)