Photographic plates investigation of the high-energy particles interaction with lead nuclei

The Anatomy of the Knee and Gamma-Families

“…The combination of the original EAS technique with photosensitive materials for the study of the microstructure of EAS cores was proposed long ago [1,2,3]. Since then, in spite of both methods being well developed and widely used in cosmic ray ( CR ) studies they have remained basically independent of each other.…”