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This text elucidates the achievements in calculating photodissociation cross-sections and fragment state distributions from first principles. Topics covered include absorption spectra, diffuse vibrational structures, the vibrational and rotational state distributions.

Describes the theory and practice of electron spectrometry using synchrotron radiation. After a short review of background theory, neon is used to elucidate the principles of the photoelectron and Auger spectra. Then experimental aspects and the underlying theory are discussed in detail. The book closes with essential reference data.

This book explains the theory and methods by which gas molecules can be polarized by light, a subject of considerable importance for what it tells us about the electronic structure of molecules and properties of chemical reactions. It covers diatomic molecules and symmetric-top polyatomic molecules.

Comprehensive and up-to-date account of low energy positrons and positronium in atomic physics.

A comprehensive introduction to theory and experiment in electron-atom collisions. It covers one-electron problems, the theory of atomic bound states, formal scattering theory, calculation of scattering amplitudes, spin-independent and spin-dependent scattering observables, ionisation and electron momentum spectroscopy.

This book reviews the theory and experiment of collision-induced absorption of infrared radiation in dense gases. Throughout the book, the emphasis is on absorption by binary molecular complexes, but the onset of many-body effects, such as ternary spectral components and intercollisional processes, are also considered in detail.

An introduction to the physics of highly excited, easily perturbed or interacting atoms. Covers Rydberg states, quantum defect theory, atomic f-values, centrifugal barrier effects, autoionisation, inner shell and double excitation spectra, K-matrix theory, atoms in high laser fields, statistical methods, quantum chaos, and atomic effects in solids.

A coherent introduction to the manifestations of chaos in atoms and molecules. The first part deals with the theory and principles of classical chaos. The second part applies these ideas to actual atomic and molecular physics systems.

This book provides a comprehensive description of the physics of Rydberg atoms, highlighting their remarkable properties by reference to their behaviour in a wide range of physical situations. Experimental and theoretical research in this extensive field is also thoroughly reviewed.

A complete guide to the theory of modern spectroscopy of atoms. Primarily a reference for researchers and graduate students in atomic physics and physical chemistry, this work will also be of value to physicists and chemists in other areas who use spectroscopy in their work.

This graduate/research level text introduces the theory of multi-electron transitions in atomic, molecular and optical physics, emphasising the emerging topic of dynamic electron correlation. The book begins with an overview of simple binomial probabilities, classical scattering theory, quantum scattering and correlation, followed by the theory of single electron transition probabilities. Multiple electron transition probabilities are then treated in detail. Various approaches to multiple electron transitions are covered including the independent electron approximation, useful statistical methods and perturbation expansions treating correlation in both weak and strong limits. The important topic of the dynamics of electron correlation is a central theme in this book. The text contains a comprehensive summary of data for few and many-electron transitions in atoms and molecules, including transitions on different atomic centres, fast ion-atom and electron-atom interactions, and recent observations using synchrotron radiation. Emphasis is given to methods that may be used by non-specialists.