Fragmentation processes : topics in atomic and molecular physics / edited by Colm T. Whelan, Old Dominion University.

"Revolutionary advances in experimental techniques and spectacular increases in computer power over recent years have enabled researchers to develop a much more profound understanding of the atomic few-body problem. One area of intense focus has been the study of fragmentation processes. Coveri...

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Bibliographic Details
Other Authors:	Whelan, Colm T. (Editor)
Format:	eBook
Language:	English
Published:	Cambridge : Cambridge University Press, 2012.
Subjects:	Few-body problem. Ion-atom collisions. Nuclear fragmentation. SCIENCE > Molecular Physics. SCIENCE > Waves & Wave Mechanics. Few-body problem Ion-atom collisions Nuclear fragmentation
Online Access:	Click for online access

Table of Contents:

Intro
Contents
Contributors
Preface
1 Direct and resonant double photoionization: from atoms to solids
1.1 Introduction
1.2 Direct double photoionization
1.2.1 The He atom
1.2.2 The H2 molecule and the four-body problem
1.2.3 Direct DPI in solids and surfaces
1.3 Indirect double photoionization
1.3.1 Auger photoelectron coincidence spectroscopy (APECS) applied to molecules
1.3.2 Auger photoelectron coincidence spectroscopy(APECS) applied to solids
1.3.3 Interference and coherence effects in indirect double photoionization
1.4 Conclusions
References
2 The application of propagating exterior complex scaling to atomic collisions
2.1 Introduction
2.2 Introduction to exterior complex scaling
2.2.1 A one-dimensional example
2.2.2 Numerical method: propagating exterior complex scaling
2.3 Application of ECS to electron-hydrogen scattering
2.3.1 Extracting scattering amplitudes from surface integrals
2.3.2 Propagating exterior complex scaling considerations
2.4 Scattering in electron-hydrogen system
2.5 Exterior complex scaling for electron-helium scattering
2.5.1 Extracting scattering amplitudes
2.5.2 S-wave model for electron-helium scattering
2.6 Summary and outlook for the future
References
3 Fragmentation of molecular-ion beams in intense ultrashort laser pulses
3.1 Introduction
3.2 Experimental method
3.2.1 Laser
3.2.2 Ion beam
3.2.3 Crossing the laser and ion beams
3.2.4 Coincidence beam-fragment measurements
3.2.5 Coincidence 3D momentum imaging of beam fragments
3.3 Benchmark molecules
3.3.1 One electron diatomic molecule
H2+
3.3.2 Simplest polyatomic molecule
H3+
3.4 Complex and/or unique molecular ions
3.4.1 Vibrationally cold molecular ions
CO2+
3.4.2 Vibrationally semi-cold molecular ions
NO2+.
3.4.3 Other complex molecular ions
3.5 Summary and outlook
References
4 Atoms with one and two active electrons in strong laser fields
4.1 Introduction
4.2 Theoretical model
4.3 Two-photon double ionization of helium
4.4 DC-assisted double photoionization of He and H-
4.5 Strong-field ionization of lithium and hydrogen
4.6 High harmonics generation
4.7 Time delay in atomic photoionization
References
5 Experimental aspects of ionization studies by positron and positronium impact
5.1 Introduction
5.2 Integral cross sections for positron impact ionization
5.3 Differential cross sections for positron impact ionization
5.4 Positronium-induced fragmentation
5.5 Conclusions and outlook
References
6 (e,2e) spectroscopy spectroscopy using fragmentation processes
6.1 Introduction
6.2 Background
6.3 Theory
6.4 Electron momentum spectroscopy results
6.5 Low-energy (e,2e) results
6.6 Conclusion
References
7 A coupled pseudostate approach to the calculation of ion-atom fragmentation processes
7.1 Introduction
7.2 Theory
7.2.1 The impact parameter method and extraction of the differential motion of the projectile
7.2.2 Extracting the differential motion of the ejected electron
7.3 Antiproton-induced ionization
References
8 Electron impact ionization using (e,2e) coincidence techniques from threshold to intermediate energies
8.1 Introduction
8.1.1 Description of the experimental coincidence technique
8.1.2 (e,2e) experiments near threshold
8.1.3 (e,2e) experiments from threshold to intermediate energies
8.1.4 Summary
8.2 Experimental methods and techniques
8.2.1 Materials
8.2.2 Design of the electron gun and analyzers
8.2.3 Example: the (e,2e) spectrometer in Manchester
8.2.4 Multi-detection
the COLTRIMS reaction microscope.
8.3 Theoretical models
8.3.1 Near threshold
8.3.2 The intermediate energy regime
8.4 Atomic targets
8.4.1 Near-threshold measurements on helium
8.4.2 Measurements on helium at intermediate energies
8.4.3 Measurements on the noble gases in the perpendicular plane
8.5 Molecular targets
8.5.1 Measurements from H2
8.5.2 Measurements from polyatomic molecules
8.6 Experiments from laser-aligned atoms
8.6.1 The laser excitation process
8.6.2 Ionization from laser-excited magnesium
8.7 Future work and conclusions
References
9 (e,2e) processes on atomic inner shells
9.1 (e,2e) processes
an overview
9.2 Non-relativistic theory
9.3 The distorted wave Born approximation
9.3.1 Geometries
9.3.2 The ionization of the 2p state of argon
9.4 Inner-shell ionization of heavy metal targets at relativisticimpact energies
9.4.1 Relativistic, distorted wave Born approximation
9.5 General features of the cross section
9.5.1 Coplanar asymmetric-Ehrhardt-geometry
9.5.2 Coplanar symmetric-Pochat-geometry
9.6 Special features
9.6.1 Spin-dependent effects using unpolarized beams on unpolarized targets
9.6.2 Distortion effects
References
10 Spin-resolved atomic (e,2e) processes
10.1 Introduction
10.2 Experimental considerations
10.2.1 Definition of measured and derived parameters
10.2.2 Generation of spin-polarized electron beams
10.3 Low-Z targets and low electron impact energies
10.4 High-Z targets and low electron impact energies
10.5 High-Z targets and high electron impact energies
10.6 Longitudinally polarized electrons
10.7 Conclusion
References
Index.

Fragmentation processes : topics in atomic and molecular physics / edited by Colm T. Whelan, Old Dominion University.

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