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Author : Harold Rieth Collard
Publisher : Unknown
Page : 470 pages
File Size : 42,8 Mb
Release : 1966
Category : Electronic
ISBN : STANFORD:36105025623955
Author : Zhong-lin Wang
Publisher : Springer Science & Business Media
Page : 461 pages
File Size : 42,6 Mb
Release : 2013-06-29
Category : Science
ISBN : 9781489915795
Elastic and inelastic scattering in transmission electron microscopy (TEM) are important research subjects. For a long time, I have wished to systematically summarize various dynamic theories associated with quantitative electron micros copy and their applications in simulations of electron diffraction patterns and images. This wish now becomes reality. The aim of this book is to explore the physics in electron diffraction and imaging and related applications for materials characterizations. Particular emphasis is placed on diffraction and imaging of inelastically scattered electrons, which, I believe, have not been discussed exten sively in existing books. This book assumes that readers have some preknowledge of electron microscopy, electron diffraction, and quantum mechanics. I anticipate that this book will be a guide to approaching phenomena observed in electron microscopy from the prospects of diffraction physics. The SI units are employed throughout the book except for angstrom (A), which is used occasionally for convenience. To reduce the number of symbols used, the Fourier transform of a real-space function P'(r), for example, is denoted by the same symbol P'(u) in reciprocal space except that r is replaced by u. Upper and lower limits of an integral in the book are (-co, co) unless otherwise specified. The (-co, co) integral limits are usually omitted in a mathematical expression for simplification. I very much appreciate opportunity of working with Drs. J. M. Cowley and J. C. H. Spence (Arizona State University), J.
Author : Robert K. Nesbet
Publisher : Springer Science & Business Media
Page : 234 pages
File Size : 51,6 Mb
Release : 2013-11-21
Category : Science
ISBN : 9781468484311
The investigation of scattering phenomena is a major theme of modern physics. A scattered particle provides a dynamical probe of the target system. The practical problem of interest here is the scattering of a low energy electron by an N-electron atom. It has been difficult in this area of study to achieve theoretical results that are even qualitatively correct, yet quantitative accuracy is often needed as an adjunct to experiment. The present book describes a quantitative theoretical method, or class of methods, that has been applied effectively to this problem. Quantum mechanical theory relevant to the scattering of an electron by an N-electron atom, which may gain or lose energy in the process, is summarized in Chapter 1. The variational theory itself is presented in Chapter 2, both as currently used and in forms that may facilitate future applications. The theory of multichannel resonance and threshold effects, which provide a rich structure to observed electron-atom scattering data, is presented in Chapter 3. Practical details of the computational implementation of the variational theory are given in Chapter 4. Chapters 5 and 6 summarize recent appli cations of the variational theory to problems of experimental interest, with many examples of the successful interpretation of complex structural fea tures observed in scattering experiments, and of the quantitative prediction of details of electron-atom scattering phenomena.
Author : Colm T. Whelan,Nigel J. Mason
Publisher : Springer Science & Business Media
Page : 342 pages
File Size : 52,6 Mb
Release : 2006-01-17
Category : Science
ISBN : 9780387275673
There is a unity to physics; it is a discipline which provides the most fundamental understanding of the dynamics of matter and energy. To understand anything about a physical system you have to interact with it and one of the best ways to learn something is to use electrons as probes. This book is the result of a meeting, which took place in Magdalene College Cambridge in December 2001. Atomic, nuclear, cluster, soHd state, chemical and even bio- physicists got together to consider scattering electrons to explore matter in all its forms. Theory and experiment were represented in about equal measure. It was meeting marked by the most lively of discussions and the free exchange of ideas. We all learnt a lot. The Editors are grateful to EPSRC through its Collaborative Computational Project program (CCP2), lOPP, the Division of Atomic, Molecular, Optical and Plasma Physics (DAMOPP) and the Atomic Molecular Interactions group (AMIG) of the Institute of Physics for financial support. The smooth running of the meeting was enormously facilitated by the efficiency and helpfulness of the staff of Magdalene College, for which we are extremely grateful. This meeting marked the end for one of us (CTW) of a ten-year period as a fellow of the College and he would like to take this opportunity to thank the fellows and staff for the privilege of working with them.
Author : P. G. Burke
Publisher : Springer Science & Business Media
Page : 137 pages
File Size : 43,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461341123
This monograph was written while the author was a visitor at the Center for Theoretical Studies at the University of Miami, Coral Gables, Florida. The author wishes to thank Professor Behram Kursunoglu for the warm hospitality extended to him at the Center and to acknowledge the many interesting and fruitful discussions which he had with other visitors and with members of staff at the Center. Philip G. Burke v Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2. Scattering by a Short-Range Potential. . . . . . . . . . . . . . . 5 3. Scattering by a Coulomb Potential. . . . . . . . . . . . . . . . . . 11 4. Scattering by a Spin-Orbit Potential . . . . . . . . . . . . . . " 17 5. Scattering by One-Electron Atoms. . . . . . . . . . . . . . . . . . 23 6. Low-Energy Effective-Range Theory. . . . . . . . . . . . . . . . 39 7. Bound States and Resonances. . . . . . . . . . . . . . . . . . . . . . 55 8. Variational Methods and Bound Principles. . . . . . . . . . 75 9. Integral Equation Methods and the Born Approximation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 10. Semiclassical and Eikonal Methods . . . . . . . . . . . . . . . . . 117 Appendix. The Coupling of Angular Momenta . . . . . . . . . . . 127 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 vii 1 Introduction In this monograph we study the scattering of a particle by a potential field with particular reference to elastic electron scat tering by a neutral atom or by an ion. This subject is clearly of interest in its own right as a branch of quantum mechanical scattering theory. However, it also serves as an introduction to many of the basic theoretical concepts which are used in inelastic electron scattering and ionization. Consequently this mono graph can be viewed as an introduction to texts where these subjects are treated.
Author : Reinder Jaap van Duinen
Publisher : Unknown
Page : 150 pages
File Size : 43,8 Mb
Release : 1969
Category : Electrons
ISBN : UCAL:B2681784
Author : Bernard Frois,Ingo Sick
Publisher : World Scientific
Page : 832 pages
File Size : 51,8 Mb
Release : 1991
Category : Science
ISBN : 997150975X
This book summarizes the considerable progress recently achieved in the understanding of nucleon and nuclear structure by using high energy electrons as a probe. A collection of papers discusses in detail the new frontiers of this field. Experimental and theoretical articles cover topics such as the structure of the nucleon, nucleon distributions, many-body correlations, non-nucleonic degrees of freedom and few-body systems. This book is an up-to-date introduction to the research planned with continuous beam electron accelerators.
Author : Philip G. Burke,Charles J. Joachain
Publisher : Springer Science & Business Media
Page : 264 pages
File Size : 54,8 Mb
Release : 2013-06-29
Category : Science
ISBN : 9781489915672
The authors aim to hone the theory of electron-atom and electron-ion collisions by developing mathematical equations and comparing their results to the wealth of recent experimental data. This first of three parts focuses on potential scattering, and will serve as an introduction to many of the concepts covered in Parts II and III. As these processes occur in so many of the physical sciences, researchers in astrophysics, atmospheric physics, plasma physics, and laser physics will all benefit from the monograph.
Author : S. Temkin
Publisher : Unknown
Page : 44 pages
File Size : 47,7 Mb
Release : 1962
Category : Elastic scattering
ISBN : UIUC:30112106637033
Author : Herbert Uberall
Publisher : Elsevier
Page : 416 pages
File Size : 48,7 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323151245
Electron Scattering from Complex Nuclei, Part B is a three-chapter text that explores the excitation of the nucleus to bound levels and the nucleus breakup through particle emission from continuum states. The first chapter discusses the inelastic scattering to nuclear levels, the giant resonances, the concepts of radiative corrections, and the phase shift analysis for inelastic scattering. The subsequent chapter concerns the quasi-elastic continuum and the observations of the nuclear decay products. The last chapter presents special topics on electron scattering, such as dispersion and exchange corrections, sum rules, and isospin effects. Physicists, researchers, and graduate students will find this book invaluable.
Author : Charles E. Violet
Publisher : Unknown
Page : 22 pages
File Size : 46,7 Mb
Release : 1956
Category : Electrons
ISBN : UOM:39015077593120
Author : Anonim
Publisher : Academic Press
Page : 303 pages
File Size : 53,9 Mb
Release : 1984-03-01
Category : Computers
ISBN : 008057727X
Advances in Electronics and Electron Physics
Author : John Nuttall,John Gillespie
Publisher : Unknown
Page : 480 pages
File Size : 55,7 Mb
Release : 1968
Category : Quantum theory
ISBN : UOM:39015017249403
Author : O Benhar,A Fabrocini,R Schiavilla
Publisher : World Scientific
Page : 380 pages
File Size : 49,7 Mb
Release : 1994-03-30
Category : Electronic
ISBN : 9789814551779
The workshop aimed to gather the electron scattering community to assess the present status of the experimental and theoretical research program at the electron scattering facilities that will be available in the near future. The topics discussed include nucleon form factors and deep inelastic structure functions, electro-production of nucleon resonances, final state interactions and nucleon-nucleon correlations in nuclei, electron-nucleon scattering with polarized beams and targets and nuclear transparency. Contents:The Nucleon and Its Resonances (F Iachello)Precise Determinations of the Neutron Magnetic Form Factor (J Jourdan)The Form Factors of the Nucleons (G G Petratos)Nucleon Resonances: Experiments (B H Schoch)Electron Scattering and Spectral Functions of Finite Nuclei and Nuclear Matter (S Fantoni I Sick)The AmPS-NIKHEF Electron Accelerator Facility (P K A de Witt Huberts)Electron Scattering with Polarized 3He Targets (R D McKeown)Ground State Neutral Weak Currents of the Nucleon (D H Beck)Strange Currents and Parity-Violating Electron Scattering: Theory (T W Donnelly)Colour Transparency After the NE18 and E665 Experiments (N N Nikolaev B G Zakharov)and other papers Readership: Nuclear physicists. keywords:
Author : Anonim
Publisher : Unknown
Page : 626 pages
File Size : 53,5 Mb
Release : 1973
Category : Mass spectrometry
ISBN : UOM:39015095221951
