Letter | Published:

Secondary Emission from Elements Bombarded with Neutrons

Naturevolume 134page735 (1934) | Download Citation

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Abstract

We have measured the absorption of the complex radiations from Po + Be in various elements, using a Geiger–Müller counter as a detector. The source of Po + Be (3·5 mc.) was enclosed in a glass tube and shielded with a cylinder of lead 2·5 cm. in thickness. The walls of the counter, which was placed 12 cm. from the source, were of aluminium, 0·18 mm. thick. The absorbing material was in the form of large slabs placed between the source and the counter. The following results have been obtained:

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  1. Institute of Physics, Royal University, Cagliari

    • ZAIRA OLLANO

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https://doi.org/10.1038/134735a0

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