1985•NASA STI Repository (National Aeronautics and Space Administration)Open access

The identification of gamma ray induced EAS

P. R. Blake, W. F. Nash

Abstract

Some of the penetrating particles in gamma-induced EAS from Cygnus X-3 observed by a single layer of flash-bulbs under 880 g cm/2 concrete, may be punched through photons rather than muons. An analysis of the shielded flash-tube response detected from EAS is presented. The penetration of the electro-magnetic component through 20 cm of Pb is observed at core distances approx. 10 m.

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Key concepts: Shielded cable, Flash (photography), Physics, Gamma ray, Penetration (warfare), Tube (container), Nuclear physics, Optics