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Author: Steven L. Guberman Publisher: Springer Science & Business Media ISBN: 1461500834 Category : Science Languages : en Pages : 467
Book Description
Dissociative Recombination of Molecular Ions with Electrons is a comprehensive collection of refereed papers describing the latest developments in dissociative recombination research. The papers are written by the leading researchers in the field. The topics covered include the use of microwave afterglows, merged beams and storage rings to measure rate coefficients and to identify the products and their yields. The molecules studied range in size from the smallest, H2+, to bovine insulin ions. The theoretical papers cover the important role of Rydberg states and the use of wave packets and quantum defect theory to deduce cross sections, rate constants and quantum yields. Several theoretical and experimental papers address the controversial topic of H3+ dissociative recombination and its importance in the interstellar medium. Dissociative recombination studies of other molecular ions in the interstellar medium and in cometary and planetary atmospheres are covered. Ionization is an important competitive process to dissociative recombination and its competition with predissociation and its role in the reverse process of the association of neutral species is presented. Dissociative attachment, in which an electron attaches to a neutral molecule, has many similarities to dissociative recombination. The topics covered include the accurate calculation of electron affinities, attachment to molecules, clusters, and to species absorbed on solid surfaces and electron scattering by a molecular anion.
Author: Steven L. Guberman Publisher: Springer Science & Business Media ISBN: 1461500834 Category : Science Languages : en Pages : 467
Book Description
Dissociative Recombination of Molecular Ions with Electrons is a comprehensive collection of refereed papers describing the latest developments in dissociative recombination research. The papers are written by the leading researchers in the field. The topics covered include the use of microwave afterglows, merged beams and storage rings to measure rate coefficients and to identify the products and their yields. The molecules studied range in size from the smallest, H2+, to bovine insulin ions. The theoretical papers cover the important role of Rydberg states and the use of wave packets and quantum defect theory to deduce cross sections, rate constants and quantum yields. Several theoretical and experimental papers address the controversial topic of H3+ dissociative recombination and its importance in the interstellar medium. Dissociative recombination studies of other molecular ions in the interstellar medium and in cometary and planetary atmospheres are covered. Ionization is an important competitive process to dissociative recombination and its competition with predissociation and its role in the reverse process of the association of neutral species is presented. Dissociative attachment, in which an electron attaches to a neutral molecule, has many similarities to dissociative recombination. The topics covered include the accurate calculation of electron affinities, attachment to molecules, clusters, and to species absorbed on solid surfaces and electron scattering by a molecular anion.
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: Daniel Zajfman Publisher: World Scientific ISBN: 981454857X Category : Languages : en Pages : 270
Book Description
In this book, the latest developments in the study of the dissociative recombination of electrons and molecular ions are discussed. This process is of great importance in controlling the physical and chemical states of ionized gases. It has direct application to astrophysics, aeronomy, thermonuclear fusion research, plasma processing and combustion science.
Author: Mats Larsson Publisher: Cambridge University Press ISBN: 9780521828192 Category : Science Languages : en Pages : 390
Book Description
Dissociative recombination (DR) of molecular ions with electrons is a complex, poorly understood molecular process. Its critical role as a neutralising agent in the Earth's upper atmosphere is now well established and its occurrence in many natural and laboratory-produced plasma has been a strong motivation for studying the event. In this book theoretical concepts, experimental methodology and applications are united, revealing the governing principles behind the gas-phase reaction. The book takes the reader through the intellectual challenges posed, describing in detail dissociation mechanisms, dynamics, diatomic and polyatomic ions and related processes, including dissociative excitation, ion pair formation and photodissociation. With the final chapter dedicated to applications in astrophysics, atmospheric science, plasma physics and fusion research, this is a focused, definitive guide to a fundamental molecular process. The book will appeal to academics within physics, physical chemistry and related sciences.
Author: Ernest Bauer Publisher: Legare Street Press ISBN: 9781019947463 Category : Languages : en Pages : 0
Book Description
This book presents a comprehensive review of the theory and applications of dissociative recombination, a process that plays a crucial role in plasma physics, atmospheric chemistry, and astrophysics. It is an indispensable reference for researchers and students in these fields. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Ernest Bauer Publisher: Forgotten Books ISBN: 9780267960743 Category : Science Languages : en Pages : 36
Book Description
Excerpt from Dissociative Recombination Details of the calculation are sketched in Appendices c-f, but a summary will be presented here. Fig. 2 shows the values of wave number R from Eq. (3) that are required for the G and U transitions; we see that for values of the nuclear separation h that are frequently found for a molecular ion in its vibrational ground state the wave number k is fairly small, so that the transition matrix elements may be expanded in powers of k and all but the lowest-order terms neglected. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781722701406 Category : Languages : en Pages : 56
Book Description
SRI International undertook a novel experimental measurement of the product states formed by dissociative ro-combination (DR) of C2(+), NO(+), and N2(+) as a function of both electron energy and reactant ion vibrational level. For these measurements we used a recently developed experimental technique for measuring dissociation product distributions that allows both the branching ratios to be accurately determined and the electronic and ro-vibrational state composition of the reactant ions to be specified. DR is the dominant electron loss mechanism in all regions of the ionosphere. In this process, electron attachment to the molecular ion produces an unstable neutral molecule that rapidly dissociates. Cosby, Philip Unspecified Center...
Author: Steven L. Guberman
Author: Bertrand R. Rowe
Author: Steven L. Guberman
Author: Mats Larsson
Author: Daniel Zajfman
Author: Mats Larsson
Author: A. I. Florescu-Mitchell
Author: Ernest Bauer
Author: Ernest Bauer
Author: National Aeronautics and Space Administration (NASA)
Author: David Kallman Nartonis