1. The Subject. - 2. Metastable Ions. - 3. Types of Collisions. - 4. Collision Cross Sections. - 5. Energy Interconversions. - 6. Energy Resolution and Angular Resolution. - 7. Laboratory and Center-of-Mass Coordinate Systems. - 8. Guideposts to the Contents. - References. - 1 Collisional Excitation of Simple Systems. - 1. Introduction. - 2. Determination of Excitation Cross Sections from Ion Energy- Loss Spectrometry. - 3. Determination of Excitation Cross Sections from Photon Emission Data. - 4. The Excitation of Atomic Hydrogen. - 5. Excitation of Helium. - 6. Differential Cross-Section Measurements. - 7. Excitation of Simple Molecules. - 8. Discussion. - References. - 2 Charge Transfer in Atomic Systems. - 1. Introduction. - 2. Theory. - 3. Experimental Methods. - 4. Experimental Data and Interpretation. - 5. Summary. - References. - 3 Inelastic Energy Loss: Newer Experimental Techniques and Molecular Orbital Theory. - 1. Introduction. - 2. The Molecular Orbital Model. - 3. Experimental Techniques and Results. - 4. Summary and Conclusion. - References. - 4 Double Electron Transfer and Related Reactions. - 1. Introduction. - 2. Cross Sections. - 3. Experimental Techniques of Double-Charge-Transfer Spectroscopy. - 4. (H+ M) Spectra and the Study of the States of the Target Species. - 5. (A+ Ar) Spectra: An Insight into Future Possible Developments. - Appendix: Energy Loss of the Projectile in an Inelastic Collision. - References. - 5 Ionic Collisions as the Basis for New Types of Mass Spectra. - 1. Introduction. - 2. 2E Mass Spectra. - 3. -E Mass Spectra. - 4. E/2 Mass Spectra. - 5. +E Mass Spectra. - 6. Other Types of Spectra. - References. - 6 Collision-Induced Dissociation of Diatomic Ions. - 1. Introduction. - 2. Dynamics of Dissociation. - 3. Experimental Techniques. - 4. Direct Dissociation in Heavy-Particle Collisions. - 5. Translational Spectroscopy. - 6. Concluding Remarks. - References. - 7 Collision-Induced Dissociation of Polyatomic Ions. - 1. Introduction. - 2. The Reaction. - 3. Experimental Procedures. - 4. Applications. - 5. Related Reactions. - 6. Prospects. - References. Language: English