Contents:

• Overview of Defect Processes Induced by Electronic Excitation in Insulators (N Itoh)
• Excitonic Mechanism of Defect Formation in Alkali Halides as Spontaneous Symmetry Breaking (Y Kayanuma)
• Luminescence and Self-Trapping of Excitons in Alkali Halides (H Nishimura)
• Time-Resolved Studies of Photochemistry in Alkali Halides (M Hirai)
• Cascade-Excitation Spectroscopy for Recombination-Induced Defect Production in Halide Crystals (K Tanimura)
• Atomic Processes Induced by Electron Excitation at Surfaces (N Itoh)