Scientific Realism.- Extending Physical Reality.- Particle Observation and Measurement.- Probing Subatomic Structure.- Measurement and the Unity of Physics.- Metamorphoses of the Particle Concept.- Wave-Particle Duality.- Subatomic Reality.

Are the particles of modern physics "real" or are they virtual entities, their existence deduced merely by abstract theories? This book examines the continuing debate regarding the inner constitution of matter by exploring the particle concept in physics. It investigates if the particles of particle physics are real or not. Readers interested in the "true meaning" of such physical concepts will find this book informative and thought provoking.