Accession Number : AD0617063

Title :   COSMIC RAY EFFECTS FROM ASSAY OF HELIUM ISOTOPES.

Descriptive Note : Final rept.,

Corporate Author : OXFORD UNIV (ENGLAND) DEPT OF NUCLEAR PHYSICS

Personal Author(s) : Mayne,K. I.

Report Date : JAN 1965

Pagination or Media Count : 105

Abstract : A high-sensitivity mass spectrometer was developed. Samples of 10,000,000 atoms total can be analyzed. It was applied to measuring the spallation production of rare gas isotopes in foils exposed to cosmic radiation. Diffusion effects were studied and cross-sections measured.

Descriptors :   (*COSMIC RAYS, SPALLATION), (*HELIUM, ISOTOPES), (*SPALLATION, HELIUM), PROTONS, DIFFUSION, GASES, METALS, MASS SPECTROSCOPY, SPECTRUM ANALYZERS

Distribution Statement : APPROVED FOR PUBLIC RELEASE